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From ol...@apache.org
Subject svn commit: r1637120 [11/40] - in /httpcomponents/site: ./ httpcomponents-asyncclient-4.0.x/ httpcomponents-asyncclient-4.1.x/ httpcomponents-client-4.3.x/ httpcomponents-client-4.3.x/fluent-hc/ httpcomponents-client-4.3.x/fluent-hc/apidocs/ httpcompon...
Date Thu, 06 Nov 2014 14:29:58 GMT
Modified: httpcomponents/site/httpcomponents-client-4.3.x/httpclient-cache/xref/org/apache/http/impl/client/cache/CachingExec.html
URL: http://svn.apache.org/viewvc/httpcomponents/site/httpcomponents-client-4.3.x/httpclient-cache/xref/org/apache/http/impl/client/cache/CachingExec.html?rev=1637120&r1=1637119&r2=1637120&view=diff
==============================================================================
--- httpcomponents/site/httpcomponents-client-4.3.x/httpclient-cache/xref/org/apache/http/impl/client/cache/CachingExec.html (original)
+++ httpcomponents/site/httpcomponents-client-4.3.x/httpclient-cache/xref/org/apache/http/impl/client/cache/CachingExec.html Thu Nov  6 14:29:37 2014
@@ -37,847 +37,858 @@
 <a class="jxr_linenumber" name="27" href="#27">27</a>  <strong class="jxr_keyword">package</strong> org.apache.http.impl.client.cache;
 <a class="jxr_linenumber" name="28" href="#28">28</a>  
 <a class="jxr_linenumber" name="29" href="#29">29</a>  <strong class="jxr_keyword">import</strong> java.io.IOException;
-<a class="jxr_linenumber" name="30" href="#30">30</a>  <strong class="jxr_keyword">import</strong> java.util.Date;
-<a class="jxr_linenumber" name="31" href="#31">31</a>  <strong class="jxr_keyword">import</strong> java.util.HashMap;
-<a class="jxr_linenumber" name="32" href="#32">32</a>  <strong class="jxr_keyword">import</strong> java.util.List;
-<a class="jxr_linenumber" name="33" href="#33">33</a>  <strong class="jxr_keyword">import</strong> java.util.Map;
-<a class="jxr_linenumber" name="34" href="#34">34</a>  <strong class="jxr_keyword">import</strong> java.util.concurrent.atomic.AtomicLong;
-<a class="jxr_linenumber" name="35" href="#35">35</a>  
-<a class="jxr_linenumber" name="36" href="#36">36</a>  <strong class="jxr_keyword">import</strong> org.apache.commons.logging.Log;
-<a class="jxr_linenumber" name="37" href="#37">37</a>  <strong class="jxr_keyword">import</strong> org.apache.commons.logging.LogFactory;
-<a class="jxr_linenumber" name="38" href="#38">38</a>  <strong class="jxr_keyword">import</strong> org.apache.http.Header;
-<a class="jxr_linenumber" name="39" href="#39">39</a>  <strong class="jxr_keyword">import</strong> org.apache.http.HeaderElement;
-<a class="jxr_linenumber" name="40" href="#40">40</a>  <strong class="jxr_keyword">import</strong> org.apache.http.HttpException;
-<a class="jxr_linenumber" name="41" href="#41">41</a>  <strong class="jxr_keyword">import</strong> org.apache.http.HttpHost;
-<a class="jxr_linenumber" name="42" href="#42">42</a>  <strong class="jxr_keyword">import</strong> org.apache.http.HttpMessage;
-<a class="jxr_linenumber" name="43" href="#43">43</a>  <strong class="jxr_keyword">import</strong> org.apache.http.HttpRequest;
-<a class="jxr_linenumber" name="44" href="#44">44</a>  <strong class="jxr_keyword">import</strong> org.apache.http.HttpResponse;
-<a class="jxr_linenumber" name="45" href="#45">45</a>  <strong class="jxr_keyword">import</strong> org.apache.http.HttpStatus;
-<a class="jxr_linenumber" name="46" href="#46">46</a>  <strong class="jxr_keyword">import</strong> org.apache.http.HttpVersion;
-<a class="jxr_linenumber" name="47" href="#47">47</a>  <strong class="jxr_keyword">import</strong> org.apache.http.ProtocolVersion;
-<a class="jxr_linenumber" name="48" href="#48">48</a>  <strong class="jxr_keyword">import</strong> org.apache.http.RequestLine;
-<a class="jxr_linenumber" name="49" href="#49">49</a>  <strong class="jxr_keyword">import</strong> org.apache.http.annotation.ThreadSafe;
-<a class="jxr_linenumber" name="50" href="#50">50</a>  <strong class="jxr_keyword">import</strong> org.apache.http.client.cache.CacheResponseStatus;
-<a class="jxr_linenumber" name="51" href="#51">51</a>  <strong class="jxr_keyword">import</strong> org.apache.http.client.cache.HeaderConstants;
-<a class="jxr_linenumber" name="52" href="#52">52</a>  <strong class="jxr_keyword">import</strong> org.apache.http.client.cache.HttpCacheContext;
-<a class="jxr_linenumber" name="53" href="#53">53</a>  <strong class="jxr_keyword">import</strong> org.apache.http.client.cache.HttpCacheEntry;
-<a class="jxr_linenumber" name="54" href="#54">54</a>  <strong class="jxr_keyword">import</strong> org.apache.http.client.cache.HttpCacheStorage;
-<a class="jxr_linenumber" name="55" href="#55">55</a>  <strong class="jxr_keyword">import</strong> org.apache.http.client.cache.ResourceFactory;
-<a class="jxr_linenumber" name="56" href="#56">56</a>  <strong class="jxr_keyword">import</strong> org.apache.http.client.methods.CloseableHttpResponse;
-<a class="jxr_linenumber" name="57" href="#57">57</a>  <strong class="jxr_keyword">import</strong> org.apache.http.client.methods.HttpExecutionAware;
-<a class="jxr_linenumber" name="58" href="#58">58</a>  <strong class="jxr_keyword">import</strong> org.apache.http.client.methods.HttpRequestWrapper;
-<a class="jxr_linenumber" name="59" href="#59">59</a>  <strong class="jxr_keyword">import</strong> org.apache.http.client.protocol.HttpClientContext;
-<a class="jxr_linenumber" name="60" href="#60">60</a>  <strong class="jxr_keyword">import</strong> org.apache.http.client.utils.DateUtils;
-<a class="jxr_linenumber" name="61" href="#61">61</a>  <strong class="jxr_keyword">import</strong> org.apache.http.conn.routing.HttpRoute;
-<a class="jxr_linenumber" name="62" href="#62">62</a>  <strong class="jxr_keyword">import</strong> org.apache.http.impl.execchain.ClientExecChain;
-<a class="jxr_linenumber" name="63" href="#63">63</a>  <strong class="jxr_keyword">import</strong> org.apache.http.message.BasicHttpResponse;
-<a class="jxr_linenumber" name="64" href="#64">64</a>  <strong class="jxr_keyword">import</strong> org.apache.http.protocol.HTTP;
-<a class="jxr_linenumber" name="65" href="#65">65</a>  <strong class="jxr_keyword">import</strong> org.apache.http.protocol.HttpContext;
-<a class="jxr_linenumber" name="66" href="#66">66</a>  <strong class="jxr_keyword">import</strong> org.apache.http.util.Args;
-<a class="jxr_linenumber" name="67" href="#67">67</a>  <strong class="jxr_keyword">import</strong> org.apache.http.util.VersionInfo;
-<a class="jxr_linenumber" name="68" href="#68">68</a>  
-<a class="jxr_linenumber" name="69" href="#69">69</a>  <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="70" href="#70">70</a>  <em class="jxr_javadoccomment"> * Request executor in the request execution chain that is responsible for</em>
-<a class="jxr_linenumber" name="71" href="#71">71</a>  <em class="jxr_javadoccomment"> * transparent client-side caching. The current implementation is conditionally</em>
-<a class="jxr_linenumber" name="72" href="#72">72</a>  <em class="jxr_javadoccomment"> * compliant with HTTP/1.1 (meaning all the MUST and MUST NOTs are obeyed),</em>
-<a class="jxr_linenumber" name="73" href="#73">73</a>  <em class="jxr_javadoccomment"> * although quite a lot, though not all, of the SHOULDs and SHOULD NOTs</em>
-<a class="jxr_linenumber" name="74" href="#74">74</a>  <em class="jxr_javadoccomment"> * are obeyed too.</em>
-<a class="jxr_linenumber" name="75" href="#75">75</a>  <em class="jxr_javadoccomment"> * &lt;p/&gt;</em>
-<a class="jxr_linenumber" name="76" href="#76">76</a>  <em class="jxr_javadoccomment"> * Folks that would like to experiment with alternative storage backends</em>
-<a class="jxr_linenumber" name="77" href="#77">77</a>  <em class="jxr_javadoccomment"> * should look at the {@link HttpCacheStorage} interface and the related</em>
-<a class="jxr_linenumber" name="78" href="#78">78</a>  <em class="jxr_javadoccomment"> * package documentation there. You may also be interested in the provided</em>
-<a class="jxr_linenumber" name="79" href="#79">79</a>  <em class="jxr_javadoccomment"> * {@link org.apache.http.impl.client.cache.ehcache.EhcacheHttpCacheStorage</em>
-<a class="jxr_linenumber" name="80" href="#80">80</a>  <em class="jxr_javadoccomment"> * EhCache} and {@link</em>
-<a class="jxr_linenumber" name="81" href="#81">81</a>  <em class="jxr_javadoccomment"> * org.apache.http.impl.client.cache.memcached.MemcachedHttpCacheStorage</em>
-<a class="jxr_linenumber" name="82" href="#82">82</a>  <em class="jxr_javadoccomment"> * memcached} storage backends.</em>
-<a class="jxr_linenumber" name="83" href="#83">83</a>  <em class="jxr_javadoccomment"> * &lt;p/&gt;</em>
-<a class="jxr_linenumber" name="84" href="#84">84</a>  <em class="jxr_javadoccomment"> * Further responsibilities such as communication with the opposite</em>
-<a class="jxr_linenumber" name="85" href="#85">85</a>  <em class="jxr_javadoccomment"> * endpoint is delegated to the next executor in the request execution</em>
-<a class="jxr_linenumber" name="86" href="#86">86</a>  <em class="jxr_javadoccomment"> * chain.</em>
-<a class="jxr_linenumber" name="87" href="#87">87</a>  <em class="jxr_javadoccomment"> *</em>
-<a class="jxr_linenumber" name="88" href="#88">88</a>  <em class="jxr_javadoccomment"> * @since 4.3</em>
-<a class="jxr_linenumber" name="89" href="#89">89</a>  <em class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="90" href="#90">90</a>  @ThreadSafe <em class="jxr_comment">// So long as the responseCache implementation is threadsafe</em>
-<a class="jxr_linenumber" name="91" href="#91">91</a>  <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../../../org/apache/http/impl/client/cache/CachingExec.html">CachingExec</a> <strong class="jxr_keyword">implements</strong> ClientExecChain {
-<a class="jxr_linenumber" name="92" href="#92">92</a>  
-<a class="jxr_linenumber" name="93" href="#93">93</a>      <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">boolean</strong> SUPPORTS_RANGE_AND_CONTENT_RANGE_HEADERS = false;
-<a class="jxr_linenumber" name="94" href="#94">94</a>  
-<a class="jxr_linenumber" name="95" href="#95">95</a>      <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> AtomicLong cacheHits = <strong class="jxr_keyword">new</strong> AtomicLong();
-<a class="jxr_linenumber" name="96" href="#96">96</a>      <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> AtomicLong cacheMisses = <strong class="jxr_keyword">new</strong> AtomicLong();
-<a class="jxr_linenumber" name="97" href="#97">97</a>      <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> AtomicLong cacheUpdates = <strong class="jxr_keyword">new</strong> AtomicLong();
-<a class="jxr_linenumber" name="98" href="#98">98</a>  
-<a class="jxr_linenumber" name="99" href="#99">99</a>      <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> Map&lt;ProtocolVersion, String&gt; viaHeaders = <strong class="jxr_keyword">new</strong> HashMap&lt;ProtocolVersion, String&gt;(4);
-<a class="jxr_linenumber" name="100" href="#100">100</a> 
-<a class="jxr_linenumber" name="101" href="#101">101</a>     <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <a href="../../../../../../org/apache/http/impl/client/cache/CacheConfig.html">CacheConfig</a> cacheConfig;
-<a class="jxr_linenumber" name="102" href="#102">102</a>     <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> ClientExecChain backend;
-<a class="jxr_linenumber" name="103" href="#103">103</a>     <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <a href="../../../../../../org/apache/http/impl/client/cache/HttpCache.html">HttpCache</a> responseCache;
-<a class="jxr_linenumber" name="104" href="#104">104</a>     <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <a href="../../../../../../org/apache/http/impl/client/cache/CacheValidityPolicy.html">CacheValidityPolicy</a> validityPolicy;
-<a class="jxr_linenumber" name="105" href="#105">105</a>     <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <a href="../../../../../../org/apache/http/impl/client/cache/CachedHttpResponseGenerator.html">CachedHttpResponseGenerator</a> responseGenerator;
-<a class="jxr_linenumber" name="106" href="#106">106</a>     <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <a href="../../../../../../org/apache/http/impl/client/cache/CacheableRequestPolicy.html">CacheableRequestPolicy</a> cacheableRequestPolicy;
-<a class="jxr_linenumber" name="107" href="#107">107</a>     <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <a href="../../../../../../org/apache/http/impl/client/cache/CachedResponseSuitabilityChecker.html">CachedResponseSuitabilityChecker</a> suitabilityChecker;
-<a class="jxr_linenumber" name="108" href="#108">108</a>     <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <a href="../../../../../../org/apache/http/impl/client/cache/ConditionalRequestBuilder.html">ConditionalRequestBuilder</a> conditionalRequestBuilder;
-<a class="jxr_linenumber" name="109" href="#109">109</a>     <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <a href="../../../../../../org/apache/http/impl/client/cache/ResponseProtocolCompliance.html">ResponseProtocolCompliance</a> responseCompliance;
-<a class="jxr_linenumber" name="110" href="#110">110</a>     <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <a href="../../../../../../org/apache/http/impl/client/cache/RequestProtocolCompliance.html">RequestProtocolCompliance</a> requestCompliance;
-<a class="jxr_linenumber" name="111" href="#111">111</a>     <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <a href="../../../../../../org/apache/http/impl/client/cache/ResponseCachingPolicy.html">ResponseCachingPolicy</a> responseCachingPolicy;
-<a class="jxr_linenumber" name="112" href="#112">112</a> 
-<a class="jxr_linenumber" name="113" href="#113">113</a>     <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <a href="../../../../../../org/apache/http/impl/client/cache/AsynchronousValidator.html">AsynchronousValidator</a> asynchRevalidator;
-<a class="jxr_linenumber" name="114" href="#114">114</a> 
-<a class="jxr_linenumber" name="115" href="#115">115</a>     <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> Log log = LogFactory.getLog(getClass());
-<a class="jxr_linenumber" name="116" href="#116">116</a> 
-<a class="jxr_linenumber" name="117" href="#117">117</a>     <strong class="jxr_keyword">public</strong> <a href="../../../../../../org/apache/http/impl/client/cache/CachingExec.html">CachingExec</a>(
-<a class="jxr_linenumber" name="118" href="#118">118</a>             <strong class="jxr_keyword">final</strong> ClientExecChain backend,
-<a class="jxr_linenumber" name="119" href="#119">119</a>             <strong class="jxr_keyword">final</strong> <a href="../../../../../../org/apache/http/impl/client/cache/HttpCache.html">HttpCache</a> cache,
-<a class="jxr_linenumber" name="120" href="#120">120</a>             <strong class="jxr_keyword">final</strong> <a href="../../../../../../org/apache/http/impl/client/cache/CacheConfig.html">CacheConfig</a> config) {
-<a class="jxr_linenumber" name="121" href="#121">121</a>         <strong class="jxr_keyword">this</strong>(backend, cache, config, <strong class="jxr_keyword">null</strong>);
-<a class="jxr_linenumber" name="122" href="#122">122</a>     }
-<a class="jxr_linenumber" name="123" href="#123">123</a> 
-<a class="jxr_linenumber" name="124" href="#124">124</a>     <strong class="jxr_keyword">public</strong> <a href="../../../../../../org/apache/http/impl/client/cache/CachingExec.html">CachingExec</a>(
-<a class="jxr_linenumber" name="125" href="#125">125</a>             <strong class="jxr_keyword">final</strong> ClientExecChain backend,
-<a class="jxr_linenumber" name="126" href="#126">126</a>             <strong class="jxr_keyword">final</strong> <a href="../../../../../../org/apache/http/impl/client/cache/HttpCache.html">HttpCache</a> cache,
-<a class="jxr_linenumber" name="127" href="#127">127</a>             <strong class="jxr_keyword">final</strong> <a href="../../../../../../org/apache/http/impl/client/cache/CacheConfig.html">CacheConfig</a> config,
-<a class="jxr_linenumber" name="128" href="#128">128</a>             <strong class="jxr_keyword">final</strong> <a href="../../../../../../org/apache/http/impl/client/cache/AsynchronousValidator.html">AsynchronousValidator</a> asynchRevalidator) {
-<a class="jxr_linenumber" name="129" href="#129">129</a>         <strong class="jxr_keyword">super</strong>();
-<a class="jxr_linenumber" name="130" href="#130">130</a>         Args.notNull(backend, <span class="jxr_string">"HTTP backend"</span>);
-<a class="jxr_linenumber" name="131" href="#131">131</a>         Args.notNull(cache, <span class="jxr_string">"HttpCache"</span>);
-<a class="jxr_linenumber" name="132" href="#132">132</a>         <strong class="jxr_keyword">this</strong>.cacheConfig = config != <strong class="jxr_keyword">null</strong> ? config : CacheConfig.DEFAULT;
-<a class="jxr_linenumber" name="133" href="#133">133</a>         <strong class="jxr_keyword">this</strong>.backend = backend;
-<a class="jxr_linenumber" name="134" href="#134">134</a>         <strong class="jxr_keyword">this</strong>.responseCache = cache;
-<a class="jxr_linenumber" name="135" href="#135">135</a>         <strong class="jxr_keyword">this</strong>.validityPolicy = <strong class="jxr_keyword">new</strong> <a href="../../../../../../org/apache/http/impl/client/cache/CacheValidityPolicy.html">CacheValidityPolicy</a>();
-<a class="jxr_linenumber" name="136" href="#136">136</a>         <strong class="jxr_keyword">this</strong>.responseGenerator = <strong class="jxr_keyword">new</strong> <a href="../../../../../../org/apache/http/impl/client/cache/CachedHttpResponseGenerator.html">CachedHttpResponseGenerator</a>(<strong class="jxr_keyword">this</strong>.validityPolicy);
-<a class="jxr_linenumber" name="137" href="#137">137</a>         <strong class="jxr_keyword">this</strong>.cacheableRequestPolicy = <strong class="jxr_keyword">new</strong> <a href="../../../../../../org/apache/http/impl/client/cache/CacheableRequestPolicy.html">CacheableRequestPolicy</a>();
-<a class="jxr_linenumber" name="138" href="#138">138</a>         <strong class="jxr_keyword">this</strong>.suitabilityChecker = <strong class="jxr_keyword">new</strong> <a href="../../../../../../org/apache/http/impl/client/cache/CachedResponseSuitabilityChecker.html">CachedResponseSuitabilityChecker</a>(<strong class="jxr_keyword">this</strong>.validityPolicy, <strong class="jxr_keyword">this</strong>.cacheConfig);
-<a class="jxr_linenumber" name="139" href="#139">139</a>         <strong class="jxr_keyword">this</strong>.conditionalRequestBuilder = <strong class="jxr_keyword">new</strong> <a href="../../../../../../org/apache/http/impl/client/cache/ConditionalRequestBuilder.html">ConditionalRequestBuilder</a>();
-<a class="jxr_linenumber" name="140" href="#140">140</a>         <strong class="jxr_keyword">this</strong>.responseCompliance = <strong class="jxr_keyword">new</strong> <a href="../../../../../../org/apache/http/impl/client/cache/ResponseProtocolCompliance.html">ResponseProtocolCompliance</a>();
-<a class="jxr_linenumber" name="141" href="#141">141</a>         <strong class="jxr_keyword">this</strong>.requestCompliance = <strong class="jxr_keyword">new</strong> <a href="../../../../../../org/apache/http/impl/client/cache/RequestProtocolCompliance.html">RequestProtocolCompliance</a>(<strong class="jxr_keyword">this</strong>.cacheConfig.isWeakETagOnPutDeleteAllowed());
-<a class="jxr_linenumber" name="142" href="#142">142</a>         <strong class="jxr_keyword">this</strong>.responseCachingPolicy = <strong class="jxr_keyword">new</strong> <a href="../../../../../../org/apache/http/impl/client/cache/ResponseCachingPolicy.html">ResponseCachingPolicy</a>(
-<a class="jxr_linenumber" name="143" href="#143">143</a>                 <strong class="jxr_keyword">this</strong>.cacheConfig.getMaxObjectSize(), <strong class="jxr_keyword">this</strong>.cacheConfig.isSharedCache(),
-<a class="jxr_linenumber" name="144" href="#144">144</a>                 <strong class="jxr_keyword">this</strong>.cacheConfig.isNeverCacheHTTP10ResponsesWithQuery(), <strong class="jxr_keyword">this</strong>.cacheConfig.is303CachingEnabled());
-<a class="jxr_linenumber" name="145" href="#145">145</a>         <strong class="jxr_keyword">this</strong>.asynchRevalidator = asynchRevalidator;
-<a class="jxr_linenumber" name="146" href="#146">146</a>     }
-<a class="jxr_linenumber" name="147" href="#147">147</a> 
-<a class="jxr_linenumber" name="148" href="#148">148</a>     <strong class="jxr_keyword">public</strong> <a href="../../../../../../org/apache/http/impl/client/cache/CachingExec.html">CachingExec</a>(
-<a class="jxr_linenumber" name="149" href="#149">149</a>             <strong class="jxr_keyword">final</strong> ClientExecChain backend,
-<a class="jxr_linenumber" name="150" href="#150">150</a>             <strong class="jxr_keyword">final</strong> <a href="../../../../../../org/apache/http/client/cache/ResourceFactory.html">ResourceFactory</a> resourceFactory,
-<a class="jxr_linenumber" name="151" href="#151">151</a>             <strong class="jxr_keyword">final</strong> <a href="../../../../../../org/apache/http/client/cache/HttpCacheStorage.html">HttpCacheStorage</a> storage,
-<a class="jxr_linenumber" name="152" href="#152">152</a>             <strong class="jxr_keyword">final</strong> <a href="../../../../../../org/apache/http/impl/client/cache/CacheConfig.html">CacheConfig</a> config) {
-<a class="jxr_linenumber" name="153" href="#153">153</a>         <strong class="jxr_keyword">this</strong>(backend, <strong class="jxr_keyword">new</strong> <a href="../../../../../../org/apache/http/impl/client/cache/BasicHttpCache.html">BasicHttpCache</a>(resourceFactory, storage, config), config);
-<a class="jxr_linenumber" name="154" href="#154">154</a>     }
-<a class="jxr_linenumber" name="155" href="#155">155</a> 
-<a class="jxr_linenumber" name="156" href="#156">156</a>     <strong class="jxr_keyword">public</strong> <a href="../../../../../../org/apache/http/impl/client/cache/CachingExec.html">CachingExec</a>(<strong class="jxr_keyword">final</strong> ClientExecChain backend) {
-<a class="jxr_linenumber" name="157" href="#157">157</a>         <strong class="jxr_keyword">this</strong>(backend, <strong class="jxr_keyword">new</strong> <a href="../../../../../../org/apache/http/impl/client/cache/BasicHttpCache.html">BasicHttpCache</a>(), CacheConfig.DEFAULT);
-<a class="jxr_linenumber" name="158" href="#158">158</a>     }
-<a class="jxr_linenumber" name="159" href="#159">159</a> 
-<a class="jxr_linenumber" name="160" href="#160">160</a>     <a href="../../../../../../org/apache/http/impl/client/cache/CachingExec.html">CachingExec</a>(
-<a class="jxr_linenumber" name="161" href="#161">161</a>             <strong class="jxr_keyword">final</strong> ClientExecChain backend,
-<a class="jxr_linenumber" name="162" href="#162">162</a>             <strong class="jxr_keyword">final</strong> <a href="../../../../../../org/apache/http/impl/client/cache/HttpCache.html">HttpCache</a> responseCache,
-<a class="jxr_linenumber" name="163" href="#163">163</a>             <strong class="jxr_keyword">final</strong> <a href="../../../../../../org/apache/http/impl/client/cache/CacheValidityPolicy.html">CacheValidityPolicy</a> validityPolicy,
-<a class="jxr_linenumber" name="164" href="#164">164</a>             <strong class="jxr_keyword">final</strong> <a href="../../../../../../org/apache/http/impl/client/cache/ResponseCachingPolicy.html">ResponseCachingPolicy</a> responseCachingPolicy,
-<a class="jxr_linenumber" name="165" href="#165">165</a>             <strong class="jxr_keyword">final</strong> <a href="../../../../../../org/apache/http/impl/client/cache/CachedHttpResponseGenerator.html">CachedHttpResponseGenerator</a> responseGenerator,
-<a class="jxr_linenumber" name="166" href="#166">166</a>             <strong class="jxr_keyword">final</strong> <a href="../../../../../../org/apache/http/impl/client/cache/CacheableRequestPolicy.html">CacheableRequestPolicy</a> cacheableRequestPolicy,
-<a class="jxr_linenumber" name="167" href="#167">167</a>             <strong class="jxr_keyword">final</strong> <a href="../../../../../../org/apache/http/impl/client/cache/CachedResponseSuitabilityChecker.html">CachedResponseSuitabilityChecker</a> suitabilityChecker,
-<a class="jxr_linenumber" name="168" href="#168">168</a>             <strong class="jxr_keyword">final</strong> <a href="../../../../../../org/apache/http/impl/client/cache/ConditionalRequestBuilder.html">ConditionalRequestBuilder</a> conditionalRequestBuilder,
-<a class="jxr_linenumber" name="169" href="#169">169</a>             <strong class="jxr_keyword">final</strong> <a href="../../../../../../org/apache/http/impl/client/cache/ResponseProtocolCompliance.html">ResponseProtocolCompliance</a> responseCompliance,
-<a class="jxr_linenumber" name="170" href="#170">170</a>             <strong class="jxr_keyword">final</strong> <a href="../../../../../../org/apache/http/impl/client/cache/RequestProtocolCompliance.html">RequestProtocolCompliance</a> requestCompliance,
-<a class="jxr_linenumber" name="171" href="#171">171</a>             <strong class="jxr_keyword">final</strong> <a href="../../../../../../org/apache/http/impl/client/cache/CacheConfig.html">CacheConfig</a> config,
-<a class="jxr_linenumber" name="172" href="#172">172</a>             <strong class="jxr_keyword">final</strong> <a href="../../../../../../org/apache/http/impl/client/cache/AsynchronousValidator.html">AsynchronousValidator</a> asynchRevalidator) {
-<a class="jxr_linenumber" name="173" href="#173">173</a>         <strong class="jxr_keyword">this</strong>.cacheConfig = config != <strong class="jxr_keyword">null</strong> ? config : CacheConfig.DEFAULT;
-<a class="jxr_linenumber" name="174" href="#174">174</a>         <strong class="jxr_keyword">this</strong>.backend = backend;
-<a class="jxr_linenumber" name="175" href="#175">175</a>         <strong class="jxr_keyword">this</strong>.responseCache = responseCache;
-<a class="jxr_linenumber" name="176" href="#176">176</a>         <strong class="jxr_keyword">this</strong>.validityPolicy = validityPolicy;
-<a class="jxr_linenumber" name="177" href="#177">177</a>         <strong class="jxr_keyword">this</strong>.responseCachingPolicy = responseCachingPolicy;
-<a class="jxr_linenumber" name="178" href="#178">178</a>         <strong class="jxr_keyword">this</strong>.responseGenerator = responseGenerator;
-<a class="jxr_linenumber" name="179" href="#179">179</a>         <strong class="jxr_keyword">this</strong>.cacheableRequestPolicy = cacheableRequestPolicy;
-<a class="jxr_linenumber" name="180" href="#180">180</a>         <strong class="jxr_keyword">this</strong>.suitabilityChecker = suitabilityChecker;
-<a class="jxr_linenumber" name="181" href="#181">181</a>         <strong class="jxr_keyword">this</strong>.conditionalRequestBuilder = conditionalRequestBuilder;
-<a class="jxr_linenumber" name="182" href="#182">182</a>         <strong class="jxr_keyword">this</strong>.responseCompliance = responseCompliance;
-<a class="jxr_linenumber" name="183" href="#183">183</a>         <strong class="jxr_keyword">this</strong>.requestCompliance = requestCompliance;
-<a class="jxr_linenumber" name="184" href="#184">184</a>         <strong class="jxr_keyword">this</strong>.asynchRevalidator = asynchRevalidator;
-<a class="jxr_linenumber" name="185" href="#185">185</a>     }
-<a class="jxr_linenumber" name="186" href="#186">186</a> 
-<a class="jxr_linenumber" name="187" href="#187">187</a>     <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="188" href="#188">188</a> <em class="jxr_javadoccomment">     * Reports the number of times that the cache successfully responded</em>
-<a class="jxr_linenumber" name="189" href="#189">189</a> <em class="jxr_javadoccomment">     * to an {@link HttpRequest} without contacting the origin server.</em>
-<a class="jxr_linenumber" name="190" href="#190">190</a> <em class="jxr_javadoccomment">     * @return the number of cache hits</em>
-<a class="jxr_linenumber" name="191" href="#191">191</a> <em class="jxr_javadoccomment">     */</em>
-<a class="jxr_linenumber" name="192" href="#192">192</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">long</strong> getCacheHits() {
-<a class="jxr_linenumber" name="193" href="#193">193</a>         <strong class="jxr_keyword">return</strong> cacheHits.get();
-<a class="jxr_linenumber" name="194" href="#194">194</a>     }
-<a class="jxr_linenumber" name="195" href="#195">195</a> 
-<a class="jxr_linenumber" name="196" href="#196">196</a>     <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="197" href="#197">197</a> <em class="jxr_javadoccomment">     * Reports the number of times that the cache contacted the origin</em>
-<a class="jxr_linenumber" name="198" href="#198">198</a> <em class="jxr_javadoccomment">     * server because it had no appropriate response cached.</em>
-<a class="jxr_linenumber" name="199" href="#199">199</a> <em class="jxr_javadoccomment">     * @return the number of cache misses</em>
-<a class="jxr_linenumber" name="200" href="#200">200</a> <em class="jxr_javadoccomment">     */</em>
-<a class="jxr_linenumber" name="201" href="#201">201</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">long</strong> getCacheMisses() {
-<a class="jxr_linenumber" name="202" href="#202">202</a>         <strong class="jxr_keyword">return</strong> cacheMisses.get();
-<a class="jxr_linenumber" name="203" href="#203">203</a>     }
-<a class="jxr_linenumber" name="204" href="#204">204</a> 
-<a class="jxr_linenumber" name="205" href="#205">205</a>     <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="206" href="#206">206</a> <em class="jxr_javadoccomment">     * Reports the number of times that the cache was able to satisfy</em>
-<a class="jxr_linenumber" name="207" href="#207">207</a> <em class="jxr_javadoccomment">     * a response by revalidating an existing but stale cache entry.</em>
-<a class="jxr_linenumber" name="208" href="#208">208</a> <em class="jxr_javadoccomment">     * @return the number of cache revalidations</em>
-<a class="jxr_linenumber" name="209" href="#209">209</a> <em class="jxr_javadoccomment">     */</em>
-<a class="jxr_linenumber" name="210" href="#210">210</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">long</strong> getCacheUpdates() {
-<a class="jxr_linenumber" name="211" href="#211">211</a>         <strong class="jxr_keyword">return</strong> cacheUpdates.get();
-<a class="jxr_linenumber" name="212" href="#212">212</a>     }
-<a class="jxr_linenumber" name="213" href="#213">213</a> 
-<a class="jxr_linenumber" name="214" href="#214">214</a>     <strong class="jxr_keyword">public</strong> CloseableHttpResponse execute(
-<a class="jxr_linenumber" name="215" href="#215">215</a>             <strong class="jxr_keyword">final</strong> HttpRoute route,
-<a class="jxr_linenumber" name="216" href="#216">216</a>             <strong class="jxr_keyword">final</strong> HttpRequestWrapper request) <strong class="jxr_keyword">throws</strong> IOException, HttpException {
-<a class="jxr_linenumber" name="217" href="#217">217</a>         <strong class="jxr_keyword">return</strong> execute(route, request, HttpClientContext.create(), <strong class="jxr_keyword">null</strong>);
-<a class="jxr_linenumber" name="218" href="#218">218</a>     }
-<a class="jxr_linenumber" name="219" href="#219">219</a> 
-<a class="jxr_linenumber" name="220" href="#220">220</a>     <strong class="jxr_keyword">public</strong> CloseableHttpResponse execute(
-<a class="jxr_linenumber" name="221" href="#221">221</a>             <strong class="jxr_keyword">final</strong> HttpRoute route,
-<a class="jxr_linenumber" name="222" href="#222">222</a>             <strong class="jxr_keyword">final</strong> HttpRequestWrapper request,
-<a class="jxr_linenumber" name="223" href="#223">223</a>             <strong class="jxr_keyword">final</strong> HttpClientContext context) <strong class="jxr_keyword">throws</strong> IOException, HttpException {
-<a class="jxr_linenumber" name="224" href="#224">224</a>         <strong class="jxr_keyword">return</strong> execute(route, request, context, <strong class="jxr_keyword">null</strong>);
-<a class="jxr_linenumber" name="225" href="#225">225</a>     }
-<a class="jxr_linenumber" name="226" href="#226">226</a> 
-<a class="jxr_linenumber" name="227" href="#227">227</a>     <strong class="jxr_keyword">public</strong> CloseableHttpResponse execute(
-<a class="jxr_linenumber" name="228" href="#228">228</a>             <strong class="jxr_keyword">final</strong> HttpRoute route,
-<a class="jxr_linenumber" name="229" href="#229">229</a>             <strong class="jxr_keyword">final</strong> HttpRequestWrapper request,
-<a class="jxr_linenumber" name="230" href="#230">230</a>             <strong class="jxr_keyword">final</strong> HttpClientContext context,
-<a class="jxr_linenumber" name="231" href="#231">231</a>             <strong class="jxr_keyword">final</strong> HttpExecutionAware execAware) <strong class="jxr_keyword">throws</strong> IOException, HttpException {
-<a class="jxr_linenumber" name="232" href="#232">232</a> 
-<a class="jxr_linenumber" name="233" href="#233">233</a>         <strong class="jxr_keyword">final</strong> HttpHost target = context.getTargetHost();
-<a class="jxr_linenumber" name="234" href="#234">234</a>         <strong class="jxr_keyword">final</strong> String via = generateViaHeader(request.getOriginal());
+<a class="jxr_linenumber" name="30" href="#30">30</a>  <strong class="jxr_keyword">import</strong> java.net.URI;
+<a class="jxr_linenumber" name="31" href="#31">31</a>  <strong class="jxr_keyword">import</strong> java.net.URISyntaxException;
+<a class="jxr_linenumber" name="32" href="#32">32</a>  <strong class="jxr_keyword">import</strong> java.util.Date;
+<a class="jxr_linenumber" name="33" href="#33">33</a>  <strong class="jxr_keyword">import</strong> java.util.HashMap;
+<a class="jxr_linenumber" name="34" href="#34">34</a>  <strong class="jxr_keyword">import</strong> java.util.List;
+<a class="jxr_linenumber" name="35" href="#35">35</a>  <strong class="jxr_keyword">import</strong> java.util.Map;
+<a class="jxr_linenumber" name="36" href="#36">36</a>  <strong class="jxr_keyword">import</strong> java.util.concurrent.atomic.AtomicLong;
+<a class="jxr_linenumber" name="37" href="#37">37</a>  
+<a class="jxr_linenumber" name="38" href="#38">38</a>  <strong class="jxr_keyword">import</strong> org.apache.commons.logging.Log;
+<a class="jxr_linenumber" name="39" href="#39">39</a>  <strong class="jxr_keyword">import</strong> org.apache.commons.logging.LogFactory;
+<a class="jxr_linenumber" name="40" href="#40">40</a>  <strong class="jxr_keyword">import</strong> org.apache.http.Header;
+<a class="jxr_linenumber" name="41" href="#41">41</a>  <strong class="jxr_keyword">import</strong> org.apache.http.HeaderElement;
+<a class="jxr_linenumber" name="42" href="#42">42</a>  <strong class="jxr_keyword">import</strong> org.apache.http.HttpException;
+<a class="jxr_linenumber" name="43" href="#43">43</a>  <strong class="jxr_keyword">import</strong> org.apache.http.HttpHost;
+<a class="jxr_linenumber" name="44" href="#44">44</a>  <strong class="jxr_keyword">import</strong> org.apache.http.HttpMessage;
+<a class="jxr_linenumber" name="45" href="#45">45</a>  <strong class="jxr_keyword">import</strong> org.apache.http.HttpRequest;
+<a class="jxr_linenumber" name="46" href="#46">46</a>  <strong class="jxr_keyword">import</strong> org.apache.http.HttpResponse;
+<a class="jxr_linenumber" name="47" href="#47">47</a>  <strong class="jxr_keyword">import</strong> org.apache.http.HttpStatus;
+<a class="jxr_linenumber" name="48" href="#48">48</a>  <strong class="jxr_keyword">import</strong> org.apache.http.HttpVersion;
+<a class="jxr_linenumber" name="49" href="#49">49</a>  <strong class="jxr_keyword">import</strong> org.apache.http.ProtocolException;
+<a class="jxr_linenumber" name="50" href="#50">50</a>  <strong class="jxr_keyword">import</strong> org.apache.http.ProtocolVersion;
+<a class="jxr_linenumber" name="51" href="#51">51</a>  <strong class="jxr_keyword">import</strong> org.apache.http.RequestLine;
+<a class="jxr_linenumber" name="52" href="#52">52</a>  <strong class="jxr_keyword">import</strong> org.apache.http.annotation.ThreadSafe;
+<a class="jxr_linenumber" name="53" href="#53">53</a>  <strong class="jxr_keyword">import</strong> org.apache.http.client.cache.CacheResponseStatus;
+<a class="jxr_linenumber" name="54" href="#54">54</a>  <strong class="jxr_keyword">import</strong> org.apache.http.client.cache.HeaderConstants;
+<a class="jxr_linenumber" name="55" href="#55">55</a>  <strong class="jxr_keyword">import</strong> org.apache.http.client.cache.HttpCacheContext;
+<a class="jxr_linenumber" name="56" href="#56">56</a>  <strong class="jxr_keyword">import</strong> org.apache.http.client.cache.HttpCacheEntry;
+<a class="jxr_linenumber" name="57" href="#57">57</a>  <strong class="jxr_keyword">import</strong> org.apache.http.client.cache.HttpCacheStorage;
+<a class="jxr_linenumber" name="58" href="#58">58</a>  <strong class="jxr_keyword">import</strong> org.apache.http.client.cache.ResourceFactory;
+<a class="jxr_linenumber" name="59" href="#59">59</a>  <strong class="jxr_keyword">import</strong> org.apache.http.client.methods.CloseableHttpResponse;
+<a class="jxr_linenumber" name="60" href="#60">60</a>  <strong class="jxr_keyword">import</strong> org.apache.http.client.methods.HttpExecutionAware;
+<a class="jxr_linenumber" name="61" href="#61">61</a>  <strong class="jxr_keyword">import</strong> org.apache.http.client.methods.HttpRequestWrapper;
+<a class="jxr_linenumber" name="62" href="#62">62</a>  <strong class="jxr_keyword">import</strong> org.apache.http.client.protocol.HttpClientContext;
+<a class="jxr_linenumber" name="63" href="#63">63</a>  <strong class="jxr_keyword">import</strong> org.apache.http.client.utils.DateUtils;
+<a class="jxr_linenumber" name="64" href="#64">64</a>  <strong class="jxr_keyword">import</strong> org.apache.http.conn.routing.HttpRoute;
+<a class="jxr_linenumber" name="65" href="#65">65</a>  <strong class="jxr_keyword">import</strong> org.apache.http.impl.execchain.ClientExecChain;
+<a class="jxr_linenumber" name="66" href="#66">66</a>  <strong class="jxr_keyword">import</strong> org.apache.http.message.BasicHttpResponse;
+<a class="jxr_linenumber" name="67" href="#67">67</a>  <strong class="jxr_keyword">import</strong> org.apache.http.protocol.HTTP;
+<a class="jxr_linenumber" name="68" href="#68">68</a>  <strong class="jxr_keyword">import</strong> org.apache.http.protocol.HttpContext;
+<a class="jxr_linenumber" name="69" href="#69">69</a>  <strong class="jxr_keyword">import</strong> org.apache.http.util.Args;
+<a class="jxr_linenumber" name="70" href="#70">70</a>  <strong class="jxr_keyword">import</strong> org.apache.http.util.VersionInfo;
+<a class="jxr_linenumber" name="71" href="#71">71</a>  
+<a class="jxr_linenumber" name="72" href="#72">72</a>  <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="73" href="#73">73</a>  <em class="jxr_javadoccomment"> * Request executor in the request execution chain that is responsible for</em>
+<a class="jxr_linenumber" name="74" href="#74">74</a>  <em class="jxr_javadoccomment"> * transparent client-side caching. The current implementation is conditionally</em>
+<a class="jxr_linenumber" name="75" href="#75">75</a>  <em class="jxr_javadoccomment"> * compliant with HTTP/1.1 (meaning all the MUST and MUST NOTs are obeyed),</em>
+<a class="jxr_linenumber" name="76" href="#76">76</a>  <em class="jxr_javadoccomment"> * although quite a lot, though not all, of the SHOULDs and SHOULD NOTs</em>
+<a class="jxr_linenumber" name="77" href="#77">77</a>  <em class="jxr_javadoccomment"> * are obeyed too.</em>
+<a class="jxr_linenumber" name="78" href="#78">78</a>  <em class="jxr_javadoccomment"> * &lt;p/&gt;</em>
+<a class="jxr_linenumber" name="79" href="#79">79</a>  <em class="jxr_javadoccomment"> * Folks that would like to experiment with alternative storage backends</em>
+<a class="jxr_linenumber" name="80" href="#80">80</a>  <em class="jxr_javadoccomment"> * should look at the {@link HttpCacheStorage} interface and the related</em>
+<a class="jxr_linenumber" name="81" href="#81">81</a>  <em class="jxr_javadoccomment"> * package documentation there. You may also be interested in the provided</em>
+<a class="jxr_linenumber" name="82" href="#82">82</a>  <em class="jxr_javadoccomment"> * {@link org.apache.http.impl.client.cache.ehcache.EhcacheHttpCacheStorage</em>
+<a class="jxr_linenumber" name="83" href="#83">83</a>  <em class="jxr_javadoccomment"> * EhCache} and {@link</em>
+<a class="jxr_linenumber" name="84" href="#84">84</a>  <em class="jxr_javadoccomment"> * org.apache.http.impl.client.cache.memcached.MemcachedHttpCacheStorage</em>
+<a class="jxr_linenumber" name="85" href="#85">85</a>  <em class="jxr_javadoccomment"> * memcached} storage backends.</em>
+<a class="jxr_linenumber" name="86" href="#86">86</a>  <em class="jxr_javadoccomment"> * &lt;p/&gt;</em>
+<a class="jxr_linenumber" name="87" href="#87">87</a>  <em class="jxr_javadoccomment"> * Further responsibilities such as communication with the opposite</em>
+<a class="jxr_linenumber" name="88" href="#88">88</a>  <em class="jxr_javadoccomment"> * endpoint is delegated to the next executor in the request execution</em>
+<a class="jxr_linenumber" name="89" href="#89">89</a>  <em class="jxr_javadoccomment"> * chain.</em>
+<a class="jxr_linenumber" name="90" href="#90">90</a>  <em class="jxr_javadoccomment"> *</em>
+<a class="jxr_linenumber" name="91" href="#91">91</a>  <em class="jxr_javadoccomment"> * @since 4.3</em>
+<a class="jxr_linenumber" name="92" href="#92">92</a>  <em class="jxr_javadoccomment"> */</em>
+<a class="jxr_linenumber" name="93" href="#93">93</a>  @ThreadSafe <em class="jxr_comment">// So long as the responseCache implementation is threadsafe</em>
+<a class="jxr_linenumber" name="94" href="#94">94</a>  <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../../../org/apache/http/impl/client/cache/CachingExec.html">CachingExec</a> <strong class="jxr_keyword">implements</strong> ClientExecChain {
+<a class="jxr_linenumber" name="95" href="#95">95</a>  
+<a class="jxr_linenumber" name="96" href="#96">96</a>      <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">boolean</strong> SUPPORTS_RANGE_AND_CONTENT_RANGE_HEADERS = false;
+<a class="jxr_linenumber" name="97" href="#97">97</a>  
+<a class="jxr_linenumber" name="98" href="#98">98</a>      <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> AtomicLong cacheHits = <strong class="jxr_keyword">new</strong> AtomicLong();
+<a class="jxr_linenumber" name="99" href="#99">99</a>      <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> AtomicLong cacheMisses = <strong class="jxr_keyword">new</strong> AtomicLong();
+<a class="jxr_linenumber" name="100" href="#100">100</a>     <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> AtomicLong cacheUpdates = <strong class="jxr_keyword">new</strong> AtomicLong();
+<a class="jxr_linenumber" name="101" href="#101">101</a> 
+<a class="jxr_linenumber" name="102" href="#102">102</a>     <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> Map&lt;ProtocolVersion, String&gt; viaHeaders = <strong class="jxr_keyword">new</strong> HashMap&lt;ProtocolVersion, String&gt;(4);
+<a class="jxr_linenumber" name="103" href="#103">103</a> 
+<a class="jxr_linenumber" name="104" href="#104">104</a>     <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <a href="../../../../../../org/apache/http/impl/client/cache/CacheConfig.html">CacheConfig</a> cacheConfig;
+<a class="jxr_linenumber" name="105" href="#105">105</a>     <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> ClientExecChain backend;
+<a class="jxr_linenumber" name="106" href="#106">106</a>     <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <a href="../../../../../../org/apache/http/impl/client/cache/HttpCache.html">HttpCache</a> responseCache;
+<a class="jxr_linenumber" name="107" href="#107">107</a>     <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <a href="../../../../../../org/apache/http/impl/client/cache/CacheValidityPolicy.html">CacheValidityPolicy</a> validityPolicy;
+<a class="jxr_linenumber" name="108" href="#108">108</a>     <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <a href="../../../../../../org/apache/http/impl/client/cache/CachedHttpResponseGenerator.html">CachedHttpResponseGenerator</a> responseGenerator;
+<a class="jxr_linenumber" name="109" href="#109">109</a>     <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <a href="../../../../../../org/apache/http/impl/client/cache/CacheableRequestPolicy.html">CacheableRequestPolicy</a> cacheableRequestPolicy;
+<a class="jxr_linenumber" name="110" href="#110">110</a>     <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <a href="../../../../../../org/apache/http/impl/client/cache/CachedResponseSuitabilityChecker.html">CachedResponseSuitabilityChecker</a> suitabilityChecker;
+<a class="jxr_linenumber" name="111" href="#111">111</a>     <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <a href="../../../../../../org/apache/http/impl/client/cache/ConditionalRequestBuilder.html">ConditionalRequestBuilder</a> conditionalRequestBuilder;
+<a class="jxr_linenumber" name="112" href="#112">112</a>     <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <a href="../../../../../../org/apache/http/impl/client/cache/ResponseProtocolCompliance.html">ResponseProtocolCompliance</a> responseCompliance;
+<a class="jxr_linenumber" name="113" href="#113">113</a>     <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <a href="../../../../../../org/apache/http/impl/client/cache/RequestProtocolCompliance.html">RequestProtocolCompliance</a> requestCompliance;
+<a class="jxr_linenumber" name="114" href="#114">114</a>     <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <a href="../../../../../../org/apache/http/impl/client/cache/ResponseCachingPolicy.html">ResponseCachingPolicy</a> responseCachingPolicy;
+<a class="jxr_linenumber" name="115" href="#115">115</a> 
+<a class="jxr_linenumber" name="116" href="#116">116</a>     <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <a href="../../../../../../org/apache/http/impl/client/cache/AsynchronousValidator.html">AsynchronousValidator</a> asynchRevalidator;
+<a class="jxr_linenumber" name="117" href="#117">117</a> 
+<a class="jxr_linenumber" name="118" href="#118">118</a>     <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> Log log = LogFactory.getLog(getClass());
+<a class="jxr_linenumber" name="119" href="#119">119</a> 
+<a class="jxr_linenumber" name="120" href="#120">120</a>     <strong class="jxr_keyword">public</strong> <a href="../../../../../../org/apache/http/impl/client/cache/CachingExec.html">CachingExec</a>(
+<a class="jxr_linenumber" name="121" href="#121">121</a>             <strong class="jxr_keyword">final</strong> ClientExecChain backend,
+<a class="jxr_linenumber" name="122" href="#122">122</a>             <strong class="jxr_keyword">final</strong> <a href="../../../../../../org/apache/http/impl/client/cache/HttpCache.html">HttpCache</a> cache,
+<a class="jxr_linenumber" name="123" href="#123">123</a>             <strong class="jxr_keyword">final</strong> <a href="../../../../../../org/apache/http/impl/client/cache/CacheConfig.html">CacheConfig</a> config) {
+<a class="jxr_linenumber" name="124" href="#124">124</a>         <strong class="jxr_keyword">this</strong>(backend, cache, config, <strong class="jxr_keyword">null</strong>);
+<a class="jxr_linenumber" name="125" href="#125">125</a>     }
+<a class="jxr_linenumber" name="126" href="#126">126</a> 
+<a class="jxr_linenumber" name="127" href="#127">127</a>     <strong class="jxr_keyword">public</strong> <a href="../../../../../../org/apache/http/impl/client/cache/CachingExec.html">CachingExec</a>(
+<a class="jxr_linenumber" name="128" href="#128">128</a>             <strong class="jxr_keyword">final</strong> ClientExecChain backend,
+<a class="jxr_linenumber" name="129" href="#129">129</a>             <strong class="jxr_keyword">final</strong> <a href="../../../../../../org/apache/http/impl/client/cache/HttpCache.html">HttpCache</a> cache,
+<a class="jxr_linenumber" name="130" href="#130">130</a>             <strong class="jxr_keyword">final</strong> <a href="../../../../../../org/apache/http/impl/client/cache/CacheConfig.html">CacheConfig</a> config,
+<a class="jxr_linenumber" name="131" href="#131">131</a>             <strong class="jxr_keyword">final</strong> <a href="../../../../../../org/apache/http/impl/client/cache/AsynchronousValidator.html">AsynchronousValidator</a> asynchRevalidator) {
+<a class="jxr_linenumber" name="132" href="#132">132</a>         <strong class="jxr_keyword">super</strong>();
+<a class="jxr_linenumber" name="133" href="#133">133</a>         Args.notNull(backend, <span class="jxr_string">"HTTP backend"</span>);
+<a class="jxr_linenumber" name="134" href="#134">134</a>         Args.notNull(cache, <span class="jxr_string">"HttpCache"</span>);
+<a class="jxr_linenumber" name="135" href="#135">135</a>         <strong class="jxr_keyword">this</strong>.cacheConfig = config != <strong class="jxr_keyword">null</strong> ? config : CacheConfig.DEFAULT;
+<a class="jxr_linenumber" name="136" href="#136">136</a>         <strong class="jxr_keyword">this</strong>.backend = backend;
+<a class="jxr_linenumber" name="137" href="#137">137</a>         <strong class="jxr_keyword">this</strong>.responseCache = cache;
+<a class="jxr_linenumber" name="138" href="#138">138</a>         <strong class="jxr_keyword">this</strong>.validityPolicy = <strong class="jxr_keyword">new</strong> <a href="../../../../../../org/apache/http/impl/client/cache/CacheValidityPolicy.html">CacheValidityPolicy</a>();
+<a class="jxr_linenumber" name="139" href="#139">139</a>         <strong class="jxr_keyword">this</strong>.responseGenerator = <strong class="jxr_keyword">new</strong> <a href="../../../../../../org/apache/http/impl/client/cache/CachedHttpResponseGenerator.html">CachedHttpResponseGenerator</a>(<strong class="jxr_keyword">this</strong>.validityPolicy);
+<a class="jxr_linenumber" name="140" href="#140">140</a>         <strong class="jxr_keyword">this</strong>.cacheableRequestPolicy = <strong class="jxr_keyword">new</strong> <a href="../../../../../../org/apache/http/impl/client/cache/CacheableRequestPolicy.html">CacheableRequestPolicy</a>();
+<a class="jxr_linenumber" name="141" href="#141">141</a>         <strong class="jxr_keyword">this</strong>.suitabilityChecker = <strong class="jxr_keyword">new</strong> <a href="../../../../../../org/apache/http/impl/client/cache/CachedResponseSuitabilityChecker.html">CachedResponseSuitabilityChecker</a>(<strong class="jxr_keyword">this</strong>.validityPolicy, <strong class="jxr_keyword">this</strong>.cacheConfig);
+<a class="jxr_linenumber" name="142" href="#142">142</a>         <strong class="jxr_keyword">this</strong>.conditionalRequestBuilder = <strong class="jxr_keyword">new</strong> <a href="../../../../../../org/apache/http/impl/client/cache/ConditionalRequestBuilder.html">ConditionalRequestBuilder</a>();
+<a class="jxr_linenumber" name="143" href="#143">143</a>         <strong class="jxr_keyword">this</strong>.responseCompliance = <strong class="jxr_keyword">new</strong> <a href="../../../../../../org/apache/http/impl/client/cache/ResponseProtocolCompliance.html">ResponseProtocolCompliance</a>();
+<a class="jxr_linenumber" name="144" href="#144">144</a>         <strong class="jxr_keyword">this</strong>.requestCompliance = <strong class="jxr_keyword">new</strong> <a href="../../../../../../org/apache/http/impl/client/cache/RequestProtocolCompliance.html">RequestProtocolCompliance</a>(<strong class="jxr_keyword">this</strong>.cacheConfig.isWeakETagOnPutDeleteAllowed());
+<a class="jxr_linenumber" name="145" href="#145">145</a>         <strong class="jxr_keyword">this</strong>.responseCachingPolicy = <strong class="jxr_keyword">new</strong> <a href="../../../../../../org/apache/http/impl/client/cache/ResponseCachingPolicy.html">ResponseCachingPolicy</a>(
+<a class="jxr_linenumber" name="146" href="#146">146</a>                 <strong class="jxr_keyword">this</strong>.cacheConfig.getMaxObjectSize(), <strong class="jxr_keyword">this</strong>.cacheConfig.isSharedCache(),
+<a class="jxr_linenumber" name="147" href="#147">147</a>                 <strong class="jxr_keyword">this</strong>.cacheConfig.isNeverCacheHTTP10ResponsesWithQuery(), <strong class="jxr_keyword">this</strong>.cacheConfig.is303CachingEnabled());
+<a class="jxr_linenumber" name="148" href="#148">148</a>         <strong class="jxr_keyword">this</strong>.asynchRevalidator = asynchRevalidator;
+<a class="jxr_linenumber" name="149" href="#149">149</a>     }
+<a class="jxr_linenumber" name="150" href="#150">150</a> 
+<a class="jxr_linenumber" name="151" href="#151">151</a>     <strong class="jxr_keyword">public</strong> <a href="../../../../../../org/apache/http/impl/client/cache/CachingExec.html">CachingExec</a>(
+<a class="jxr_linenumber" name="152" href="#152">152</a>             <strong class="jxr_keyword">final</strong> ClientExecChain backend,
+<a class="jxr_linenumber" name="153" href="#153">153</a>             <strong class="jxr_keyword">final</strong> <a href="../../../../../../org/apache/http/client/cache/ResourceFactory.html">ResourceFactory</a> resourceFactory,
+<a class="jxr_linenumber" name="154" href="#154">154</a>             <strong class="jxr_keyword">final</strong> <a href="../../../../../../org/apache/http/client/cache/HttpCacheStorage.html">HttpCacheStorage</a> storage,
+<a class="jxr_linenumber" name="155" href="#155">155</a>             <strong class="jxr_keyword">final</strong> <a href="../../../../../../org/apache/http/impl/client/cache/CacheConfig.html">CacheConfig</a> config) {
+<a class="jxr_linenumber" name="156" href="#156">156</a>         <strong class="jxr_keyword">this</strong>(backend, <strong class="jxr_keyword">new</strong> <a href="../../../../../../org/apache/http/impl/client/cache/BasicHttpCache.html">BasicHttpCache</a>(resourceFactory, storage, config), config);
+<a class="jxr_linenumber" name="157" href="#157">157</a>     }
+<a class="jxr_linenumber" name="158" href="#158">158</a> 
+<a class="jxr_linenumber" name="159" href="#159">159</a>     <strong class="jxr_keyword">public</strong> <a href="../../../../../../org/apache/http/impl/client/cache/CachingExec.html">CachingExec</a>(<strong class="jxr_keyword">final</strong> ClientExecChain backend) {
+<a class="jxr_linenumber" name="160" href="#160">160</a>         <strong class="jxr_keyword">this</strong>(backend, <strong class="jxr_keyword">new</strong> <a href="../../../../../../org/apache/http/impl/client/cache/BasicHttpCache.html">BasicHttpCache</a>(), CacheConfig.DEFAULT);
+<a class="jxr_linenumber" name="161" href="#161">161</a>     }
+<a class="jxr_linenumber" name="162" href="#162">162</a> 
+<a class="jxr_linenumber" name="163" href="#163">163</a>     <a href="../../../../../../org/apache/http/impl/client/cache/CachingExec.html">CachingExec</a>(
+<a class="jxr_linenumber" name="164" href="#164">164</a>             <strong class="jxr_keyword">final</strong> ClientExecChain backend,
+<a class="jxr_linenumber" name="165" href="#165">165</a>             <strong class="jxr_keyword">final</strong> <a href="../../../../../../org/apache/http/impl/client/cache/HttpCache.html">HttpCache</a> responseCache,
+<a class="jxr_linenumber" name="166" href="#166">166</a>             <strong class="jxr_keyword">final</strong> <a href="../../../../../../org/apache/http/impl/client/cache/CacheValidityPolicy.html">CacheValidityPolicy</a> validityPolicy,
+<a class="jxr_linenumber" name="167" href="#167">167</a>             <strong class="jxr_keyword">final</strong> <a href="../../../../../../org/apache/http/impl/client/cache/ResponseCachingPolicy.html">ResponseCachingPolicy</a> responseCachingPolicy,
+<a class="jxr_linenumber" name="168" href="#168">168</a>             <strong class="jxr_keyword">final</strong> <a href="../../../../../../org/apache/http/impl/client/cache/CachedHttpResponseGenerator.html">CachedHttpResponseGenerator</a> responseGenerator,
+<a class="jxr_linenumber" name="169" href="#169">169</a>             <strong class="jxr_keyword">final</strong> <a href="../../../../../../org/apache/http/impl/client/cache/CacheableRequestPolicy.html">CacheableRequestPolicy</a> cacheableRequestPolicy,
+<a class="jxr_linenumber" name="170" href="#170">170</a>             <strong class="jxr_keyword">final</strong> <a href="../../../../../../org/apache/http/impl/client/cache/CachedResponseSuitabilityChecker.html">CachedResponseSuitabilityChecker</a> suitabilityChecker,
+<a class="jxr_linenumber" name="171" href="#171">171</a>             <strong class="jxr_keyword">final</strong> <a href="../../../../../../org/apache/http/impl/client/cache/ConditionalRequestBuilder.html">ConditionalRequestBuilder</a> conditionalRequestBuilder,
+<a class="jxr_linenumber" name="172" href="#172">172</a>             <strong class="jxr_keyword">final</strong> <a href="../../../../../../org/apache/http/impl/client/cache/ResponseProtocolCompliance.html">ResponseProtocolCompliance</a> responseCompliance,
+<a class="jxr_linenumber" name="173" href="#173">173</a>             <strong class="jxr_keyword">final</strong> <a href="../../../../../../org/apache/http/impl/client/cache/RequestProtocolCompliance.html">RequestProtocolCompliance</a> requestCompliance,
+<a class="jxr_linenumber" name="174" href="#174">174</a>             <strong class="jxr_keyword">final</strong> <a href="../../../../../../org/apache/http/impl/client/cache/CacheConfig.html">CacheConfig</a> config,
+<a class="jxr_linenumber" name="175" href="#175">175</a>             <strong class="jxr_keyword">final</strong> <a href="../../../../../../org/apache/http/impl/client/cache/AsynchronousValidator.html">AsynchronousValidator</a> asynchRevalidator) {
+<a class="jxr_linenumber" name="176" href="#176">176</a>         <strong class="jxr_keyword">this</strong>.cacheConfig = config != <strong class="jxr_keyword">null</strong> ? config : CacheConfig.DEFAULT;
+<a class="jxr_linenumber" name="177" href="#177">177</a>         <strong class="jxr_keyword">this</strong>.backend = backend;
+<a class="jxr_linenumber" name="178" href="#178">178</a>         <strong class="jxr_keyword">this</strong>.responseCache = responseCache;
+<a class="jxr_linenumber" name="179" href="#179">179</a>         <strong class="jxr_keyword">this</strong>.validityPolicy = validityPolicy;
+<a class="jxr_linenumber" name="180" href="#180">180</a>         <strong class="jxr_keyword">this</strong>.responseCachingPolicy = responseCachingPolicy;
+<a class="jxr_linenumber" name="181" href="#181">181</a>         <strong class="jxr_keyword">this</strong>.responseGenerator = responseGenerator;
+<a class="jxr_linenumber" name="182" href="#182">182</a>         <strong class="jxr_keyword">this</strong>.cacheableRequestPolicy = cacheableRequestPolicy;
+<a class="jxr_linenumber" name="183" href="#183">183</a>         <strong class="jxr_keyword">this</strong>.suitabilityChecker = suitabilityChecker;
+<a class="jxr_linenumber" name="184" href="#184">184</a>         <strong class="jxr_keyword">this</strong>.conditionalRequestBuilder = conditionalRequestBuilder;
+<a class="jxr_linenumber" name="185" href="#185">185</a>         <strong class="jxr_keyword">this</strong>.responseCompliance = responseCompliance;
+<a class="jxr_linenumber" name="186" href="#186">186</a>         <strong class="jxr_keyword">this</strong>.requestCompliance = requestCompliance;
+<a class="jxr_linenumber" name="187" href="#187">187</a>         <strong class="jxr_keyword">this</strong>.asynchRevalidator = asynchRevalidator;
+<a class="jxr_linenumber" name="188" href="#188">188</a>     }
+<a class="jxr_linenumber" name="189" href="#189">189</a> 
+<a class="jxr_linenumber" name="190" href="#190">190</a>     <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="191" href="#191">191</a> <em class="jxr_javadoccomment">     * Reports the number of times that the cache successfully responded</em>
+<a class="jxr_linenumber" name="192" href="#192">192</a> <em class="jxr_javadoccomment">     * to an {@link HttpRequest} without contacting the origin server.</em>
+<a class="jxr_linenumber" name="193" href="#193">193</a> <em class="jxr_javadoccomment">     * @return the number of cache hits</em>
+<a class="jxr_linenumber" name="194" href="#194">194</a> <em class="jxr_javadoccomment">     */</em>
+<a class="jxr_linenumber" name="195" href="#195">195</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">long</strong> getCacheHits() {
+<a class="jxr_linenumber" name="196" href="#196">196</a>         <strong class="jxr_keyword">return</strong> cacheHits.get();
+<a class="jxr_linenumber" name="197" href="#197">197</a>     }
+<a class="jxr_linenumber" name="198" href="#198">198</a> 
+<a class="jxr_linenumber" name="199" href="#199">199</a>     <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="200" href="#200">200</a> <em class="jxr_javadoccomment">     * Reports the number of times that the cache contacted the origin</em>
+<a class="jxr_linenumber" name="201" href="#201">201</a> <em class="jxr_javadoccomment">     * server because it had no appropriate response cached.</em>
+<a class="jxr_linenumber" name="202" href="#202">202</a> <em class="jxr_javadoccomment">     * @return the number of cache misses</em>
+<a class="jxr_linenumber" name="203" href="#203">203</a> <em class="jxr_javadoccomment">     */</em>
+<a class="jxr_linenumber" name="204" href="#204">204</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">long</strong> getCacheMisses() {
+<a class="jxr_linenumber" name="205" href="#205">205</a>         <strong class="jxr_keyword">return</strong> cacheMisses.get();
+<a class="jxr_linenumber" name="206" href="#206">206</a>     }
+<a class="jxr_linenumber" name="207" href="#207">207</a> 
+<a class="jxr_linenumber" name="208" href="#208">208</a>     <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="209" href="#209">209</a> <em class="jxr_javadoccomment">     * Reports the number of times that the cache was able to satisfy</em>
+<a class="jxr_linenumber" name="210" href="#210">210</a> <em class="jxr_javadoccomment">     * a response by revalidating an existing but stale cache entry.</em>
+<a class="jxr_linenumber" name="211" href="#211">211</a> <em class="jxr_javadoccomment">     * @return the number of cache revalidations</em>
+<a class="jxr_linenumber" name="212" href="#212">212</a> <em class="jxr_javadoccomment">     */</em>
+<a class="jxr_linenumber" name="213" href="#213">213</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">long</strong> getCacheUpdates() {
+<a class="jxr_linenumber" name="214" href="#214">214</a>         <strong class="jxr_keyword">return</strong> cacheUpdates.get();
+<a class="jxr_linenumber" name="215" href="#215">215</a>     }
+<a class="jxr_linenumber" name="216" href="#216">216</a> 
+<a class="jxr_linenumber" name="217" href="#217">217</a>     <strong class="jxr_keyword">public</strong> CloseableHttpResponse execute(
+<a class="jxr_linenumber" name="218" href="#218">218</a>             <strong class="jxr_keyword">final</strong> HttpRoute route,
+<a class="jxr_linenumber" name="219" href="#219">219</a>             <strong class="jxr_keyword">final</strong> HttpRequestWrapper request) <strong class="jxr_keyword">throws</strong> IOException, HttpException {
+<a class="jxr_linenumber" name="220" href="#220">220</a>         <strong class="jxr_keyword">return</strong> execute(route, request, HttpClientContext.create(), <strong class="jxr_keyword">null</strong>);
+<a class="jxr_linenumber" name="221" href="#221">221</a>     }
+<a class="jxr_linenumber" name="222" href="#222">222</a> 
+<a class="jxr_linenumber" name="223" href="#223">223</a>     <strong class="jxr_keyword">public</strong> CloseableHttpResponse execute(
+<a class="jxr_linenumber" name="224" href="#224">224</a>             <strong class="jxr_keyword">final</strong> HttpRoute route,
+<a class="jxr_linenumber" name="225" href="#225">225</a>             <strong class="jxr_keyword">final</strong> HttpRequestWrapper request,
+<a class="jxr_linenumber" name="226" href="#226">226</a>             <strong class="jxr_keyword">final</strong> HttpClientContext context) <strong class="jxr_keyword">throws</strong> IOException, HttpException {
+<a class="jxr_linenumber" name="227" href="#227">227</a>         <strong class="jxr_keyword">return</strong> execute(route, request, context, <strong class="jxr_keyword">null</strong>);
+<a class="jxr_linenumber" name="228" href="#228">228</a>     }
+<a class="jxr_linenumber" name="229" href="#229">229</a> 
+<a class="jxr_linenumber" name="230" href="#230">230</a>     <strong class="jxr_keyword">public</strong> CloseableHttpResponse execute(
+<a class="jxr_linenumber" name="231" href="#231">231</a>             <strong class="jxr_keyword">final</strong> HttpRoute route,
+<a class="jxr_linenumber" name="232" href="#232">232</a>             <strong class="jxr_keyword">final</strong> HttpRequestWrapper request,
+<a class="jxr_linenumber" name="233" href="#233">233</a>             <strong class="jxr_keyword">final</strong> HttpClientContext context,
+<a class="jxr_linenumber" name="234" href="#234">234</a>             <strong class="jxr_keyword">final</strong> HttpExecutionAware execAware) <strong class="jxr_keyword">throws</strong> IOException, HttpException {
 <a class="jxr_linenumber" name="235" href="#235">235</a> 
-<a class="jxr_linenumber" name="236" href="#236">236</a>         <em class="jxr_comment">// default response context</em>
-<a class="jxr_linenumber" name="237" href="#237">237</a>         setResponseStatus(context, CacheResponseStatus.CACHE_MISS);
+<a class="jxr_linenumber" name="236" href="#236">236</a>         <strong class="jxr_keyword">final</strong> HttpHost target = context.getTargetHost();
+<a class="jxr_linenumber" name="237" href="#237">237</a>         <strong class="jxr_keyword">final</strong> String via = generateViaHeader(request.getOriginal());
 <a class="jxr_linenumber" name="238" href="#238">238</a> 
-<a class="jxr_linenumber" name="239" href="#239">239</a>         <strong class="jxr_keyword">if</strong> (clientRequestsOurOptions(request)) {
-<a class="jxr_linenumber" name="240" href="#240">240</a>             setResponseStatus(context, CacheResponseStatus.CACHE_MODULE_RESPONSE);
-<a class="jxr_linenumber" name="241" href="#241">241</a>             <strong class="jxr_keyword">return</strong> Proxies.enhanceResponse(<strong class="jxr_keyword">new</strong> <a href="../../../../../../org/apache/http/impl/client/cache/OptionsHttp11Response.html">OptionsHttp11Response</a>());
-<a class="jxr_linenumber" name="242" href="#242">242</a>         }
-<a class="jxr_linenumber" name="243" href="#243">243</a> 
-<a class="jxr_linenumber" name="244" href="#244">244</a>         <strong class="jxr_keyword">final</strong> HttpResponse fatalErrorResponse = getFatallyNoncompliantResponse(request, context);
-<a class="jxr_linenumber" name="245" href="#245">245</a>         <strong class="jxr_keyword">if</strong> (fatalErrorResponse != <strong class="jxr_keyword">null</strong>) {
-<a class="jxr_linenumber" name="246" href="#246">246</a>             <strong class="jxr_keyword">return</strong> Proxies.enhanceResponse(fatalErrorResponse);
-<a class="jxr_linenumber" name="247" href="#247">247</a>         }
-<a class="jxr_linenumber" name="248" href="#248">248</a> 
-<a class="jxr_linenumber" name="249" href="#249">249</a>         requestCompliance.makeRequestCompliant(request);
-<a class="jxr_linenumber" name="250" href="#250">250</a>         request.addHeader(<span class="jxr_string">"Via"</span>,via);
+<a class="jxr_linenumber" name="239" href="#239">239</a>         <em class="jxr_comment">// default response context</em>
+<a class="jxr_linenumber" name="240" href="#240">240</a>         setResponseStatus(context, CacheResponseStatus.CACHE_MISS);
+<a class="jxr_linenumber" name="241" href="#241">241</a> 
+<a class="jxr_linenumber" name="242" href="#242">242</a>         <strong class="jxr_keyword">if</strong> (clientRequestsOurOptions(request)) {
+<a class="jxr_linenumber" name="243" href="#243">243</a>             setResponseStatus(context, CacheResponseStatus.CACHE_MODULE_RESPONSE);
+<a class="jxr_linenumber" name="244" href="#244">244</a>             <strong class="jxr_keyword">return</strong> Proxies.enhanceResponse(<strong class="jxr_keyword">new</strong> <a href="../../../../../../org/apache/http/impl/client/cache/OptionsHttp11Response.html">OptionsHttp11Response</a>());
+<a class="jxr_linenumber" name="245" href="#245">245</a>         }
+<a class="jxr_linenumber" name="246" href="#246">246</a> 
+<a class="jxr_linenumber" name="247" href="#247">247</a>         <strong class="jxr_keyword">final</strong> HttpResponse fatalErrorResponse = getFatallyNoncompliantResponse(request, context);
+<a class="jxr_linenumber" name="248" href="#248">248</a>         <strong class="jxr_keyword">if</strong> (fatalErrorResponse != <strong class="jxr_keyword">null</strong>) {
+<a class="jxr_linenumber" name="249" href="#249">249</a>             <strong class="jxr_keyword">return</strong> Proxies.enhanceResponse(fatalErrorResponse);
+<a class="jxr_linenumber" name="250" href="#250">250</a>         }
 <a class="jxr_linenumber" name="251" href="#251">251</a> 
-<a class="jxr_linenumber" name="252" href="#252">252</a>         flushEntriesInvalidatedByRequest(context.getTargetHost(), request);
-<a class="jxr_linenumber" name="253" href="#253">253</a> 
-<a class="jxr_linenumber" name="254" href="#254">254</a>         <strong class="jxr_keyword">if</strong> (!cacheableRequestPolicy.isServableFromCache(request)) {
-<a class="jxr_linenumber" name="255" href="#255">255</a>             log.debug(<span class="jxr_string">"Request is not servable from cache"</span>);
-<a class="jxr_linenumber" name="256" href="#256">256</a>             <strong class="jxr_keyword">return</strong> callBackend(route, request, context, execAware);
-<a class="jxr_linenumber" name="257" href="#257">257</a>         }
-<a class="jxr_linenumber" name="258" href="#258">258</a> 
-<a class="jxr_linenumber" name="259" href="#259">259</a>         <strong class="jxr_keyword">final</strong> <a href="../../../../../../org/apache/http/client/cache/HttpCacheEntry.html">HttpCacheEntry</a> entry = satisfyFromCache(target, request);
-<a class="jxr_linenumber" name="260" href="#260">260</a>         <strong class="jxr_keyword">if</strong> (entry == <strong class="jxr_keyword">null</strong>) {
-<a class="jxr_linenumber" name="261" href="#261">261</a>             log.debug(<span class="jxr_string">"Cache miss"</span>);
-<a class="jxr_linenumber" name="262" href="#262">262</a>             <strong class="jxr_keyword">return</strong> handleCacheMiss(route, request, context, execAware);
-<a class="jxr_linenumber" name="263" href="#263">263</a>         } <strong class="jxr_keyword">else</strong> {
-<a class="jxr_linenumber" name="264" href="#264">264</a>             <strong class="jxr_keyword">return</strong> handleCacheHit(route, request, context, execAware, entry);
-<a class="jxr_linenumber" name="265" href="#265">265</a>         }
-<a class="jxr_linenumber" name="266" href="#266">266</a>     }
-<a class="jxr_linenumber" name="267" href="#267">267</a> 
-<a class="jxr_linenumber" name="268" href="#268">268</a>     <strong class="jxr_keyword">private</strong> CloseableHttpResponse handleCacheHit(
-<a class="jxr_linenumber" name="269" href="#269">269</a>             <strong class="jxr_keyword">final</strong> HttpRoute route,
-<a class="jxr_linenumber" name="270" href="#270">270</a>             <strong class="jxr_keyword">final</strong> HttpRequestWrapper request,
-<a class="jxr_linenumber" name="271" href="#271">271</a>             <strong class="jxr_keyword">final</strong> HttpClientContext context,
-<a class="jxr_linenumber" name="272" href="#272">272</a>             <strong class="jxr_keyword">final</strong> HttpExecutionAware execAware,
-<a class="jxr_linenumber" name="273" href="#273">273</a>             <strong class="jxr_keyword">final</strong> <a href="../../../../../../org/apache/http/client/cache/HttpCacheEntry.html">HttpCacheEntry</a> entry) <strong class="jxr_keyword">throws</strong> IOException, HttpException {
-<a class="jxr_linenumber" name="274" href="#274">274</a>         <strong class="jxr_keyword">final</strong> HttpHost target = context.getTargetHost();
-<a class="jxr_linenumber" name="275" href="#275">275</a>         recordCacheHit(target, request);
-<a class="jxr_linenumber" name="276" href="#276">276</a>         CloseableHttpResponse out = <strong class="jxr_keyword">null</strong>;
-<a class="jxr_linenumber" name="277" href="#277">277</a>         <strong class="jxr_keyword">final</strong> Date now = getCurrentDate();
-<a class="jxr_linenumber" name="278" href="#278">278</a>         <strong class="jxr_keyword">if</strong> (suitabilityChecker.canCachedResponseBeUsed(target, request, entry, now)) {
-<a class="jxr_linenumber" name="279" href="#279">279</a>             log.debug(<span class="jxr_string">"Cache hit"</span>);
-<a class="jxr_linenumber" name="280" href="#280">280</a>             out = generateCachedResponse(request, context, entry, now);
-<a class="jxr_linenumber" name="281" href="#281">281</a>         } <strong class="jxr_keyword">else</strong> <strong class="jxr_keyword">if</strong> (!mayCallBackend(request)) {
-<a class="jxr_linenumber" name="282" href="#282">282</a>             log.debug(<span class="jxr_string">"Cache entry not suitable but only-if-cached requested"</span>);
-<a class="jxr_linenumber" name="283" href="#283">283</a>             out = generateGatewayTimeout(context);
-<a class="jxr_linenumber" name="284" href="#284">284</a>         } <strong class="jxr_keyword">else</strong> <strong class="jxr_keyword">if</strong> (!(entry.getStatusCode() == HttpStatus.SC_NOT_MODIFIED
-<a class="jxr_linenumber" name="285" href="#285">285</a>                 &amp;&amp; !suitabilityChecker.isConditional(request))) {
-<a class="jxr_linenumber" name="286" href="#286">286</a>             log.debug(<span class="jxr_string">"Revalidating cache entry"</span>);
-<a class="jxr_linenumber" name="287" href="#287">287</a>             <strong class="jxr_keyword">return</strong> revalidateCacheEntry(route, request, context, execAware, entry, now);
-<a class="jxr_linenumber" name="288" href="#288">288</a>         } <strong class="jxr_keyword">else</strong> {
-<a class="jxr_linenumber" name="289" href="#289">289</a>             log.debug(<span class="jxr_string">"Cache entry not usable; calling backend"</span>);
-<a class="jxr_linenumber" name="290" href="#290">290</a>             <strong class="jxr_keyword">return</strong> callBackend(route, request, context, execAware);
-<a class="jxr_linenumber" name="291" href="#291">291</a>         }
-<a class="jxr_linenumber" name="292" href="#292">292</a>         context.setAttribute(HttpClientContext.HTTP_ROUTE, route);
-<a class="jxr_linenumber" name="293" href="#293">293</a>         context.setAttribute(HttpClientContext.HTTP_TARGET_HOST, target);
-<a class="jxr_linenumber" name="294" href="#294">294</a>         context.setAttribute(HttpClientContext.HTTP_REQUEST, request);
-<a class="jxr_linenumber" name="295" href="#295">295</a>         context.setAttribute(HttpClientContext.HTTP_RESPONSE, out);
-<a class="jxr_linenumber" name="296" href="#296">296</a>         context.setAttribute(HttpClientContext.HTTP_REQ_SENT, Boolean.TRUE);
-<a class="jxr_linenumber" name="297" href="#297">297</a>         <strong class="jxr_keyword">return</strong> out;
-<a class="jxr_linenumber" name="298" href="#298">298</a>     }
-<a class="jxr_linenumber" name="299" href="#299">299</a> 
-<a class="jxr_linenumber" name="300" href="#300">300</a>     <strong class="jxr_keyword">private</strong> CloseableHttpResponse revalidateCacheEntry(
-<a class="jxr_linenumber" name="301" href="#301">301</a>             <strong class="jxr_keyword">final</strong> HttpRoute route,
-<a class="jxr_linenumber" name="302" href="#302">302</a>             <strong class="jxr_keyword">final</strong> HttpRequestWrapper request,
-<a class="jxr_linenumber" name="303" href="#303">303</a>             <strong class="jxr_keyword">final</strong> HttpClientContext context,
-<a class="jxr_linenumber" name="304" href="#304">304</a>             <strong class="jxr_keyword">final</strong> HttpExecutionAware execAware,
-<a class="jxr_linenumber" name="305" href="#305">305</a>             <strong class="jxr_keyword">final</strong> <a href="../../../../../../org/apache/http/client/cache/HttpCacheEntry.html">HttpCacheEntry</a> entry,
-<a class="jxr_linenumber" name="306" href="#306">306</a>             <strong class="jxr_keyword">final</strong> Date now) <strong class="jxr_keyword">throws</strong> HttpException {
-<a class="jxr_linenumber" name="307" href="#307">307</a> 
-<a class="jxr_linenumber" name="308" href="#308">308</a>         <strong class="jxr_keyword">try</strong> {
-<a class="jxr_linenumber" name="309" href="#309">309</a>             <strong class="jxr_keyword">if</strong> (asynchRevalidator != <strong class="jxr_keyword">null</strong>
-<a class="jxr_linenumber" name="310" href="#310">310</a>                 &amp;&amp; !staleResponseNotAllowed(request, entry, now)
-<a class="jxr_linenumber" name="311" href="#311">311</a>                 &amp;&amp; validityPolicy.mayReturnStaleWhileRevalidating(entry, now)) {
-<a class="jxr_linenumber" name="312" href="#312">312</a>                 log.trace(<span class="jxr_string">"Serving stale with asynchronous revalidation"</span>);
-<a class="jxr_linenumber" name="313" href="#313">313</a>                 <strong class="jxr_keyword">final</strong> CloseableHttpResponse resp = generateCachedResponse(request, context, entry, now);
-<a class="jxr_linenumber" name="314" href="#314">314</a>                 asynchRevalidator.revalidateCacheEntry(<strong class="jxr_keyword">this</strong>, route, request, context, execAware, entry);
-<a class="jxr_linenumber" name="315" href="#315">315</a>                 <strong class="jxr_keyword">return</strong> resp;
-<a class="jxr_linenumber" name="316" href="#316">316</a>             }
-<a class="jxr_linenumber" name="317" href="#317">317</a>             <strong class="jxr_keyword">return</strong> revalidateCacheEntry(route, request, context, execAware, entry);
-<a class="jxr_linenumber" name="318" href="#318">318</a>         } <strong class="jxr_keyword">catch</strong> (<strong class="jxr_keyword">final</strong> IOException ioex) {
-<a class="jxr_linenumber" name="319" href="#319">319</a>             <strong class="jxr_keyword">return</strong> handleRevalidationFailure(request, context, entry, now);
-<a class="jxr_linenumber" name="320" href="#320">320</a>         }
-<a class="jxr_linenumber" name="321" href="#321">321</a>     }
-<a class="jxr_linenumber" name="322" href="#322">322</a> 
-<a class="jxr_linenumber" name="323" href="#323">323</a>     <strong class="jxr_keyword">private</strong> CloseableHttpResponse handleCacheMiss(
-<a class="jxr_linenumber" name="324" href="#324">324</a>             <strong class="jxr_keyword">final</strong> HttpRoute route,
-<a class="jxr_linenumber" name="325" href="#325">325</a>             <strong class="jxr_keyword">final</strong> HttpRequestWrapper request,
-<a class="jxr_linenumber" name="326" href="#326">326</a>             <strong class="jxr_keyword">final</strong> HttpClientContext context,
-<a class="jxr_linenumber" name="327" href="#327">327</a>             <strong class="jxr_keyword">final</strong> HttpExecutionAware execAware) <strong class="jxr_keyword">throws</strong> IOException, HttpException {
-<a class="jxr_linenumber" name="328" href="#328">328</a>         <strong class="jxr_keyword">final</strong> HttpHost target = context.getTargetHost();
-<a class="jxr_linenumber" name="329" href="#329">329</a>         recordCacheMiss(target, request);
-<a class="jxr_linenumber" name="330" href="#330">330</a> 
-<a class="jxr_linenumber" name="331" href="#331">331</a>         <strong class="jxr_keyword">if</strong> (!mayCallBackend(request)) {
-<a class="jxr_linenumber" name="332" href="#332">332</a>             <strong class="jxr_keyword">return</strong> Proxies.enhanceResponse(
-<a class="jxr_linenumber" name="333" href="#333">333</a>                     <strong class="jxr_keyword">new</strong> BasicHttpResponse(
-<a class="jxr_linenumber" name="334" href="#334">334</a>                             HttpVersion.HTTP_1_1, HttpStatus.SC_GATEWAY_TIMEOUT, <span class="jxr_string">"Gateway Timeout"</span>));
-<a class="jxr_linenumber" name="335" href="#335">335</a>         }
-<a class="jxr_linenumber" name="336" href="#336">336</a> 
-<a class="jxr_linenumber" name="337" href="#337">337</a>         <strong class="jxr_keyword">final</strong> Map&lt;String, Variant&gt; variants = getExistingCacheVariants(target, request);
-<a class="jxr_linenumber" name="338" href="#338">338</a>         <strong class="jxr_keyword">if</strong> (variants != <strong class="jxr_keyword">null</strong> &amp;&amp; variants.size() &gt; 0) {
-<a class="jxr_linenumber" name="339" href="#339">339</a>             <strong class="jxr_keyword">return</strong> negotiateResponseFromVariants(route, request, context,
-<a class="jxr_linenumber" name="340" href="#340">340</a>                     execAware, variants);
-<a class="jxr_linenumber" name="341" href="#341">341</a>         }
-<a class="jxr_linenumber" name="342" href="#342">342</a> 
-<a class="jxr_linenumber" name="343" href="#343">343</a>         <strong class="jxr_keyword">return</strong> callBackend(route, request, context, execAware);
-<a class="jxr_linenumber" name="344" href="#344">344</a>     }
+<a class="jxr_linenumber" name="252" href="#252">252</a>         requestCompliance.makeRequestCompliant(request);
+<a class="jxr_linenumber" name="253" href="#253">253</a>         request.addHeader(<span class="jxr_string">"Via"</span>,via);
+<a class="jxr_linenumber" name="254" href="#254">254</a> 
+<a class="jxr_linenumber" name="255" href="#255">255</a>         flushEntriesInvalidatedByRequest(context.getTargetHost(), request);
+<a class="jxr_linenumber" name="256" href="#256">256</a> 
+<a class="jxr_linenumber" name="257" href="#257">257</a>         <strong class="jxr_keyword">if</strong> (!cacheableRequestPolicy.isServableFromCache(request)) {
+<a class="jxr_linenumber" name="258" href="#258">258</a>             log.debug(<span class="jxr_string">"Request is not servable from cache"</span>);
+<a class="jxr_linenumber" name="259" href="#259">259</a>             <strong class="jxr_keyword">return</strong> callBackend(route, request, context, execAware);
+<a class="jxr_linenumber" name="260" href="#260">260</a>         }
+<a class="jxr_linenumber" name="261" href="#261">261</a> 
+<a class="jxr_linenumber" name="262" href="#262">262</a>         <strong class="jxr_keyword">final</strong> <a href="../../../../../../org/apache/http/client/cache/HttpCacheEntry.html">HttpCacheEntry</a> entry = satisfyFromCache(target, request);
+<a class="jxr_linenumber" name="263" href="#263">263</a>         <strong class="jxr_keyword">if</strong> (entry == <strong class="jxr_keyword">null</strong>) {
+<a class="jxr_linenumber" name="264" href="#264">264</a>             log.debug(<span class="jxr_string">"Cache miss"</span>);
+<a class="jxr_linenumber" name="265" href="#265">265</a>             <strong class="jxr_keyword">return</strong> handleCacheMiss(route, request, context, execAware);
+<a class="jxr_linenumber" name="266" href="#266">266</a>         } <strong class="jxr_keyword">else</strong> {
+<a class="jxr_linenumber" name="267" href="#267">267</a>             <strong class="jxr_keyword">return</strong> handleCacheHit(route, request, context, execAware, entry);
+<a class="jxr_linenumber" name="268" href="#268">268</a>         }
+<a class="jxr_linenumber" name="269" href="#269">269</a>     }
+<a class="jxr_linenumber" name="270" href="#270">270</a> 
+<a class="jxr_linenumber" name="271" href="#271">271</a>     <strong class="jxr_keyword">private</strong> CloseableHttpResponse handleCacheHit(
+<a class="jxr_linenumber" name="272" href="#272">272</a>             <strong class="jxr_keyword">final</strong> HttpRoute route,
+<a class="jxr_linenumber" name="273" href="#273">273</a>             <strong class="jxr_keyword">final</strong> HttpRequestWrapper request,
+<a class="jxr_linenumber" name="274" href="#274">274</a>             <strong class="jxr_keyword">final</strong> HttpClientContext context,
+<a class="jxr_linenumber" name="275" href="#275">275</a>             <strong class="jxr_keyword">final</strong> HttpExecutionAware execAware,
+<a class="jxr_linenumber" name="276" href="#276">276</a>             <strong class="jxr_keyword">final</strong> <a href="../../../../../../org/apache/http/client/cache/HttpCacheEntry.html">HttpCacheEntry</a> entry) <strong class="jxr_keyword">throws</strong> IOException, HttpException {
+<a class="jxr_linenumber" name="277" href="#277">277</a>         <strong class="jxr_keyword">final</strong> HttpHost target = context.getTargetHost();
+<a class="jxr_linenumber" name="278" href="#278">278</a>         recordCacheHit(target, request);
+<a class="jxr_linenumber" name="279" href="#279">279</a>         CloseableHttpResponse out = <strong class="jxr_keyword">null</strong>;
+<a class="jxr_linenumber" name="280" href="#280">280</a>         <strong class="jxr_keyword">final</strong> Date now = getCurrentDate();
+<a class="jxr_linenumber" name="281" href="#281">281</a>         <strong class="jxr_keyword">if</strong> (suitabilityChecker.canCachedResponseBeUsed(target, request, entry, now)) {
+<a class="jxr_linenumber" name="282" href="#282">282</a>             log.debug(<span class="jxr_string">"Cache hit"</span>);
+<a class="jxr_linenumber" name="283" href="#283">283</a>             out = generateCachedResponse(request, context, entry, now);
+<a class="jxr_linenumber" name="284" href="#284">284</a>         } <strong class="jxr_keyword">else</strong> <strong class="jxr_keyword">if</strong> (!mayCallBackend(request)) {
+<a class="jxr_linenumber" name="285" href="#285">285</a>             log.debug(<span class="jxr_string">"Cache entry not suitable but only-if-cached requested"</span>);
+<a class="jxr_linenumber" name="286" href="#286">286</a>             out = generateGatewayTimeout(context);
+<a class="jxr_linenumber" name="287" href="#287">287</a>         } <strong class="jxr_keyword">else</strong> <strong class="jxr_keyword">if</strong> (!(entry.getStatusCode() == HttpStatus.SC_NOT_MODIFIED
+<a class="jxr_linenumber" name="288" href="#288">288</a>                 &amp;&amp; !suitabilityChecker.isConditional(request))) {
+<a class="jxr_linenumber" name="289" href="#289">289</a>             log.debug(<span class="jxr_string">"Revalidating cache entry"</span>);
+<a class="jxr_linenumber" name="290" href="#290">290</a>             <strong class="jxr_keyword">return</strong> revalidateCacheEntry(route, request, context, execAware, entry, now);
+<a class="jxr_linenumber" name="291" href="#291">291</a>         } <strong class="jxr_keyword">else</strong> {
+<a class="jxr_linenumber" name="292" href="#292">292</a>             log.debug(<span class="jxr_string">"Cache entry not usable; calling backend"</span>);
+<a class="jxr_linenumber" name="293" href="#293">293</a>             <strong class="jxr_keyword">return</strong> callBackend(route, request, context, execAware);
+<a class="jxr_linenumber" name="294" href="#294">294</a>         }
+<a class="jxr_linenumber" name="295" href="#295">295</a>         context.setAttribute(HttpClientContext.HTTP_ROUTE, route);
+<a class="jxr_linenumber" name="296" href="#296">296</a>         context.setAttribute(HttpClientContext.HTTP_TARGET_HOST, target);

[... 1102 lines stripped ...]


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