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From bode...@apache.org
Subject svn commit: r1006212 [15/16] - in /websites/production/commons/content/proper/commons-compress: ./ apidocs/org/apache/commons/compress/compressors/lz4/ apidocs/org/apache/commons/compress/compressors/snappy/ apidocs/src-html/org/apache/commons/compress...
Date Sat, 04 Feb 2017 16:19:38 GMT
Modified: websites/production/commons/content/proper/commons-compress/xref/org/apache/commons/compress/compressors/lz4/FramedLZ4CompressorOutputStream.html
==============================================================================
--- websites/production/commons/content/proper/commons-compress/xref/org/apache/commons/compress/compressors/lz4/FramedLZ4CompressorOutputStream.html (original)
+++ websites/production/commons/content/proper/commons-compress/xref/org/apache/commons/compress/compressors/lz4/FramedLZ4CompressorOutputStream.html Sat Feb  4 16:19:37 2017
@@ -29,237 +29,235 @@
 <a class="jxr_linenumber" name="L21" href="#L21">21</a>  <strong class="jxr_keyword">import</strong> java.io.ByteArrayOutputStream;
 <a class="jxr_linenumber" name="L22" href="#L22">22</a>  <strong class="jxr_keyword">import</strong> java.io.IOException;
 <a class="jxr_linenumber" name="L23" href="#L23">23</a>  <strong class="jxr_keyword">import</strong> java.io.OutputStream;
-<a class="jxr_linenumber" name="L24" href="#L24">24</a>  <strong class="jxr_keyword">import</strong> java.util.Arrays;
-<a class="jxr_linenumber" name="L25" href="#L25">25</a>  <strong class="jxr_keyword">import</strong> java.util.List;
-<a class="jxr_linenumber" name="L26" href="#L26">26</a>  
-<a class="jxr_linenumber" name="L27" href="#L27">27</a>  <strong class="jxr_keyword">import</strong> org.apache.commons.compress.compressors.CompressorOutputStream;
-<a class="jxr_linenumber" name="L28" href="#L28">28</a>  <strong class="jxr_keyword">import</strong> org.apache.commons.compress.utils.ByteUtils;
-<a class="jxr_linenumber" name="L29" href="#L29">29</a>  
-<a class="jxr_linenumber" name="L30" href="#L30">30</a>  <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="L31" href="#L31">31</a>  <em class="jxr_javadoccomment"> * CompressorOutputStream for the LZ4 frame format.</em>
+<a class="jxr_linenumber" name="L24" href="#L24">24</a>  
+<a class="jxr_linenumber" name="L25" href="#L25">25</a>  <strong class="jxr_keyword">import</strong> org.apache.commons.compress.compressors.CompressorOutputStream;
+<a class="jxr_linenumber" name="L26" href="#L26">26</a>  <strong class="jxr_keyword">import</strong> org.apache.commons.compress.utils.ByteUtils;
+<a class="jxr_linenumber" name="L27" href="#L27">27</a>  
+<a class="jxr_linenumber" name="L28" href="#L28">28</a>  <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="L29" href="#L29">29</a>  <em class="jxr_javadoccomment"> * CompressorOutputStream for the LZ4 frame format.</em>
+<a class="jxr_linenumber" name="L30" href="#L30">30</a>  <em class="jxr_javadoccomment"> *</em>
+<a class="jxr_linenumber" name="L31" href="#L31">31</a>  <em class="jxr_javadoccomment"> * &lt;p&gt;Based on the "spec" in the version "1.5.1 (31/03/2015)"&lt;/p&gt;</em>
 <a class="jxr_linenumber" name="L32" href="#L32">32</a>  <em class="jxr_javadoccomment"> *</em>
-<a class="jxr_linenumber" name="L33" href="#L33">33</a>  <em class="jxr_javadoccomment"> * &lt;p&gt;Based on the "spec" in the version "1.5.1 (31/03/2015)"&lt;/p&gt;</em>
-<a class="jxr_linenumber" name="L34" href="#L34">34</a>  <em class="jxr_javadoccomment"> *</em>
-<a class="jxr_linenumber" name="L35" href="#L35">35</a>  <em class="jxr_javadoccomment"> * @see &lt;a href="<a href="http://lz4.github.io/lz4/lz4_Frame_format.html" target="alexandria_uri">http://lz4.github.io/lz4/lz4_Frame_format.html</a>"&gt;LZ4 Frame Format Description&lt;/a&gt;</em>
-<a class="jxr_linenumber" name="L36" href="#L36">36</a>  <em class="jxr_javadoccomment"> * @since 1.14</em>
-<a class="jxr_linenumber" name="L37" href="#L37">37</a>  <em class="jxr_javadoccomment"> * @NotThreadSafe</em>
-<a class="jxr_linenumber" name="L38" href="#L38">38</a>  <em class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="L39" href="#L39">39</a>  <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../../../org/apache/commons/compress/compressors/lz4/FramedLZ4CompressorOutputStream.html">FramedLZ4CompressorOutputStream</a> <strong class="jxr_keyword">extends</strong> <a href="../../../../../../org/apache/commons/compress/compressors/CompressorOutputStream.html">CompressorOutputStream</a> {
-<a class="jxr_linenumber" name="L40" href="#L40">40</a>      <em class="jxr_comment">/*</em>
-<a class="jxr_linenumber" name="L41" href="#L41">41</a>  <em class="jxr_comment">     * TODO before releasing 1.14:</em>
-<a class="jxr_linenumber" name="L42" href="#L42">42</a>  <em class="jxr_comment">     *</em>
-<a class="jxr_linenumber" name="L43" href="#L43">43</a>  <em class="jxr_comment">     * + block dependence</em>
-<a class="jxr_linenumber" name="L44" href="#L44">44</a>  <em class="jxr_comment">     */</em>
+<a class="jxr_linenumber" name="L33" href="#L33">33</a>  <em class="jxr_javadoccomment"> * @see &lt;a href="<a href="http://lz4.github.io/lz4/lz4_Frame_format.html" target="alexandria_uri">http://lz4.github.io/lz4/lz4_Frame_format.html</a>"&gt;LZ4 Frame Format Description&lt;/a&gt;</em>
+<a class="jxr_linenumber" name="L34" href="#L34">34</a>  <em class="jxr_javadoccomment"> * @since 1.14</em>
+<a class="jxr_linenumber" name="L35" href="#L35">35</a>  <em class="jxr_javadoccomment"> * @NotThreadSafe</em>
+<a class="jxr_linenumber" name="L36" href="#L36">36</a>  <em class="jxr_javadoccomment"> */</em>
+<a class="jxr_linenumber" name="L37" href="#L37">37</a>  <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../../../org/apache/commons/compress/compressors/lz4/FramedLZ4CompressorOutputStream.html">FramedLZ4CompressorOutputStream</a> <strong class="jxr_keyword">extends</strong> <a href="../../../../../../org/apache/commons/compress/compressors/CompressorOutputStream.html">CompressorOutputStream</a> {
+<a class="jxr_linenumber" name="L38" href="#L38">38</a>      <em class="jxr_comment">/*</em>
+<a class="jxr_linenumber" name="L39" href="#L39">39</a>  <em class="jxr_comment">     * TODO before releasing 1.14:</em>
+<a class="jxr_linenumber" name="L40" href="#L40">40</a>  <em class="jxr_comment">     *</em>
+<a class="jxr_linenumber" name="L41" href="#L41">41</a>  <em class="jxr_comment">     * + block dependence</em>
+<a class="jxr_linenumber" name="L42" href="#L42">42</a>  <em class="jxr_comment">     */</em>
+<a class="jxr_linenumber" name="L43" href="#L43">43</a>  
+<a class="jxr_linenumber" name="L44" href="#L44">44</a>      <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> byte[] END_MARK = <strong class="jxr_keyword">new</strong> byte[4];
 <a class="jxr_linenumber" name="L45" href="#L45">45</a>  
-<a class="jxr_linenumber" name="L46" href="#L46">46</a>      <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> byte[] END_MARK = <strong class="jxr_keyword">new</strong> byte[4];
-<a class="jxr_linenumber" name="L47" href="#L47">47</a>  
-<a class="jxr_linenumber" name="L48" href="#L48">48</a>      <em class="jxr_comment">// used in one-arg write method</em>
-<a class="jxr_linenumber" name="L49" href="#L49">49</a>      <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> byte[] oneByte = <strong class="jxr_keyword">new</strong> byte[1];
-<a class="jxr_linenumber" name="L50" href="#L50">50</a>  
-<a class="jxr_linenumber" name="L51" href="#L51">51</a>      <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> byte[] blockData;
-<a class="jxr_linenumber" name="L52" href="#L52">52</a>      <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> OutputStream out;
-<a class="jxr_linenumber" name="L53" href="#L53">53</a>      <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <a href="../../../../../../org/apache/commons/compress/compressors/lz4/FramedLZ4CompressorOutputStream.html">Parameters</a> params;
-<a class="jxr_linenumber" name="L54" href="#L54">54</a>      <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">boolean</strong> finished = false;
-<a class="jxr_linenumber" name="L55" href="#L55">55</a>      <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">int</strong> currentIndex = 0;
-<a class="jxr_linenumber" name="L56" href="#L56">56</a>  
-<a class="jxr_linenumber" name="L57" href="#L57">57</a>      <em class="jxr_comment">// used for frame header checksum and content checksum, if requested</em>
-<a class="jxr_linenumber" name="L58" href="#L58">58</a>      <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <a href="../../../../../../org/apache/commons/compress/compressors/lz4/XXHash32.html">XXHash32</a> contentHash = <strong class="jxr_keyword">new</strong> <a href="../../../../../../org/apache/commons/compress/compressors/lz4/XXHash32.html">XXHash32</a>();
-<a class="jxr_linenumber" name="L59" href="#L59">59</a>      <em class="jxr_comment">// used for block checksum, if requested</em>
-<a class="jxr_linenumber" name="L60" href="#L60">60</a>      <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <a href="../../../../../../org/apache/commons/compress/compressors/lz4/XXHash32.html">XXHash32</a> blockHash;
-<a class="jxr_linenumber" name="L61" href="#L61">61</a>  
-<a class="jxr_linenumber" name="L62" href="#L62">62</a>      <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="L63" href="#L63">63</a>  <em class="jxr_javadoccomment">     * The block sizes supported by the format.</em>
-<a class="jxr_linenumber" name="L64" href="#L64">64</a>  <em class="jxr_javadoccomment">     */</em>
-<a class="jxr_linenumber" name="L65" href="#L65">65</a>      <strong class="jxr_keyword">public</strong> enum <a href="../../../../../../org/apache/commons/compress/compressors/lz4/FramedLZ4CompressorOutputStream.html">BlockSize</a> {
-<a class="jxr_linenumber" name="L66" href="#L66">66</a>          <em class="jxr_javadoccomment">/** Block size of 64K */</em>
-<a class="jxr_linenumber" name="L67" href="#L67">67</a>          K64(64 * 1024, 0),
-<a class="jxr_linenumber" name="L68" href="#L68">68</a>          <em class="jxr_javadoccomment">/** Block size of 256K */</em>
-<a class="jxr_linenumber" name="L69" href="#L69">69</a>          K256(256 * 1024, 1),
-<a class="jxr_linenumber" name="L70" href="#L70">70</a>          <em class="jxr_javadoccomment">/** Block size of 1M */</em>
-<a class="jxr_linenumber" name="L71" href="#L71">71</a>          M1(1024 * 1024, 2),
-<a class="jxr_linenumber" name="L72" href="#L72">72</a>          <em class="jxr_javadoccomment">/** Block size of 4M */</em>
-<a class="jxr_linenumber" name="L73" href="#L73">73</a>          M4(1024 * 1024, 4);
-<a class="jxr_linenumber" name="L74" href="#L74">74</a>  
-<a class="jxr_linenumber" name="L75" href="#L75">75</a>          <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> size, index;
-<a class="jxr_linenumber" name="L76" href="#L76">76</a>          <strong class="jxr_keyword">private</strong> <a href="../../../../../../org/apache/commons/compress/compressors/lz4/FramedLZ4CompressorOutputStream.html">BlockSize</a>(<strong class="jxr_keyword">int</strong> size, <strong class="jxr_keyword">int</strong> index) {
-<a class="jxr_linenumber" name="L77" href="#L77">77</a>              <strong class="jxr_keyword">this</strong>.size = size;
-<a class="jxr_linenumber" name="L78" href="#L78">78</a>              <strong class="jxr_keyword">this</strong>.index = index;
-<a class="jxr_linenumber" name="L79" href="#L79">79</a>          }
-<a class="jxr_linenumber" name="L80" href="#L80">80</a>          <strong class="jxr_keyword">int</strong> getSize() {
-<a class="jxr_linenumber" name="L81" href="#L81">81</a>              <strong class="jxr_keyword">return</strong> size;
-<a class="jxr_linenumber" name="L82" href="#L82">82</a>          }
-<a class="jxr_linenumber" name="L83" href="#L83">83</a>          <strong class="jxr_keyword">int</strong> getIndex() {
-<a class="jxr_linenumber" name="L84" href="#L84">84</a>              <strong class="jxr_keyword">return</strong> index;
-<a class="jxr_linenumber" name="L85" href="#L85">85</a>          }
-<a class="jxr_linenumber" name="L86" href="#L86">86</a>      }
-<a class="jxr_linenumber" name="L87" href="#L87">87</a>  
-<a class="jxr_linenumber" name="L88" href="#L88">88</a>      <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="L89" href="#L89">89</a>  <em class="jxr_javadoccomment">     * Parameters of the LZ4 frame format.</em>
-<a class="jxr_linenumber" name="L90" href="#L90">90</a>  <em class="jxr_javadoccomment">     */</em>
-<a class="jxr_linenumber" name="L91" href="#L91">91</a>      <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../../../org/apache/commons/compress/compressors/lz4/FramedLZ4CompressorOutputStream.html">Parameters</a> {
-<a class="jxr_linenumber" name="L92" href="#L92">92</a>          <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <a href="../../../../../../org/apache/commons/compress/compressors/lz4/FramedLZ4CompressorOutputStream.html">BlockSize</a> blockSize;
-<a class="jxr_linenumber" name="L93" href="#L93">93</a>          <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">boolean</strong> withContentChecksum, withBlockChecksum;
-<a class="jxr_linenumber" name="L94" href="#L94">94</a>  
-<a class="jxr_linenumber" name="L95" href="#L95">95</a>          <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="L96" href="#L96">96</a>  <em class="jxr_javadoccomment">         * The default parameters of 4M block size, enabled content</em>
-<a class="jxr_linenumber" name="L97" href="#L97">97</a>  <em class="jxr_javadoccomment">         * checksum, disabled block checksums and independent blocks.</em>
-<a class="jxr_linenumber" name="L98" href="#L98">98</a>  <em class="jxr_javadoccomment">         *</em>
-<a class="jxr_linenumber" name="L99" href="#L99">99</a>  <em class="jxr_javadoccomment">         * &lt;p&gt;This matches the defaults of the lz4 command line utility.&lt;/p&gt;</em>
-<a class="jxr_linenumber" name="L100" href="#L100">100</a> <em class="jxr_javadoccomment">         */</em>
-<a class="jxr_linenumber" name="L101" href="#L101">101</a>         <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <a href="../../../../../../org/apache/commons/compress/compressors/lz4/FramedLZ4CompressorOutputStream.html">Parameters</a> DEFAULT = <strong class="jxr_keyword">new</strong> <a href="../../../../../../org/apache/commons/compress/compressors/lz4/FramedLZ4CompressorOutputStream.html">Parameters</a>(BlockSize.M4, <strong class="jxr_keyword">true</strong>, false);
-<a class="jxr_linenumber" name="L102" href="#L102">102</a> 
-<a class="jxr_linenumber" name="L103" href="#L103">103</a>         <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="L104" href="#L104">104</a> <em class="jxr_javadoccomment">         * Sets up custom a custom block size for the LZ4 stream but</em>
-<a class="jxr_linenumber" name="L105" href="#L105">105</a> <em class="jxr_javadoccomment">         * otherwise uses the defaults of enabled content checksum,</em>
-<a class="jxr_linenumber" name="L106" href="#L106">106</a> <em class="jxr_javadoccomment">         * disabled block checksums and independent blocks.</em>
-<a class="jxr_linenumber" name="L107" href="#L107">107</a> <em class="jxr_javadoccomment">         * @param blockSize the size of a single block.</em>
-<a class="jxr_linenumber" name="L108" href="#L108">108</a> <em class="jxr_javadoccomment">         */</em>
-<a class="jxr_linenumber" name="L109" href="#L109">109</a>         <strong class="jxr_keyword">public</strong> <a href="../../../../../../org/apache/commons/compress/compressors/lz4/FramedLZ4CompressorOutputStream.html">Parameters</a>(<a href="../../../../../../org/apache/commons/compress/compressors/lz4/FramedLZ4CompressorOutputStream.html">BlockSize</a> blockSize) {
-<a class="jxr_linenumber" name="L110" href="#L110">110</a>             <strong class="jxr_keyword">this</strong>(blockSize, <strong class="jxr_keyword">true</strong>, false);
-<a class="jxr_linenumber" name="L111" href="#L111">111</a>         }
-<a class="jxr_linenumber" name="L112" href="#L112">112</a>         <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="L113" href="#L113">113</a> <em class="jxr_javadoccomment">         * Sets up custom parameters for the LZ4 stream.</em>
-<a class="jxr_linenumber" name="L114" href="#L114">114</a> <em class="jxr_javadoccomment">         * @param blockSize the size of a single block.</em>
-<a class="jxr_linenumber" name="L115" href="#L115">115</a> <em class="jxr_javadoccomment">         * @param withContentChecksum whether to write a content checksum</em>
-<a class="jxr_linenumber" name="L116" href="#L116">116</a> <em class="jxr_javadoccomment">         * @param withBlockChecksum whether to write a block checksum.</em>
-<a class="jxr_linenumber" name="L117" href="#L117">117</a> <em class="jxr_javadoccomment">         * Note that block checksums are not supported by the lz4</em>
-<a class="jxr_linenumber" name="L118" href="#L118">118</a> <em class="jxr_javadoccomment">         * command line utility</em>
-<a class="jxr_linenumber" name="L119" href="#L119">119</a> <em class="jxr_javadoccomment">         */</em>
-<a class="jxr_linenumber" name="L120" href="#L120">120</a>         <strong class="jxr_keyword">public</strong> <a href="../../../../../../org/apache/commons/compress/compressors/lz4/FramedLZ4CompressorOutputStream.html">Parameters</a>(<a href="../../../../../../org/apache/commons/compress/compressors/lz4/FramedLZ4CompressorOutputStream.html">BlockSize</a> blockSize, <strong class="jxr_keyword">boolean</strong> withContentChecksum, <strong class="jxr_keyword">boolean</strong> withBlockChecksum) {
-<a class="jxr_linenumber" name="L121" href="#L121">121</a>             <strong class="jxr_keyword">this</strong>.blockSize = blockSize;
-<a class="jxr_linenumber" name="L122" href="#L122">122</a>             <strong class="jxr_keyword">this</strong>.withContentChecksum = withContentChecksum;
-<a class="jxr_linenumber" name="L123" href="#L123">123</a>             <strong class="jxr_keyword">this</strong>.withBlockChecksum = withBlockChecksum;
-<a class="jxr_linenumber" name="L124" href="#L124">124</a>         }
-<a class="jxr_linenumber" name="L125" href="#L125">125</a> 
-<a class="jxr_linenumber" name="L126" href="#L126">126</a>         @Override
-<a class="jxr_linenumber" name="L127" href="#L127">127</a>         <strong class="jxr_keyword">public</strong> String toString() {
-<a class="jxr_linenumber" name="L128" href="#L128">128</a>             <strong class="jxr_keyword">return</strong> <span class="jxr_string">"LZ4 Parameters with BlockSize "</span> + blockSize + <span class="jxr_string">", withContentChecksum "</span> + withContentChecksum
-<a class="jxr_linenumber" name="L129" href="#L129">129</a>                 + <span class="jxr_string">", withBlockChecksum "</span> + withBlockChecksum;
-<a class="jxr_linenumber" name="L130" href="#L130">130</a>         }
-<a class="jxr_linenumber" name="L131" href="#L131">131</a>     }
-<a class="jxr_linenumber" name="L132" href="#L132">132</a> 
-<a class="jxr_linenumber" name="L133" href="#L133">133</a>     <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="L134" href="#L134">134</a> <em class="jxr_javadoccomment">     * Constructs a new output stream that compresses data using the</em>
-<a class="jxr_linenumber" name="L135" href="#L135">135</a> <em class="jxr_javadoccomment">     * LZ4 frame format using the default block size of 4MB.</em>
-<a class="jxr_linenumber" name="L136" href="#L136">136</a> <em class="jxr_javadoccomment">     * @param out the OutputStream to which to write the compressed data</em>
-<a class="jxr_linenumber" name="L137" href="#L137">137</a> <em class="jxr_javadoccomment">     * @throws IOException if writing the signature fails</em>
-<a class="jxr_linenumber" name="L138" href="#L138">138</a> <em class="jxr_javadoccomment">     */</em>
-<a class="jxr_linenumber" name="L139" href="#L139">139</a>     <strong class="jxr_keyword">public</strong> <a href="../../../../../../org/apache/commons/compress/compressors/lz4/FramedLZ4CompressorOutputStream.html">FramedLZ4CompressorOutputStream</a>(OutputStream out) <strong class="jxr_keyword">throws</strong> IOException {
-<a class="jxr_linenumber" name="L140" href="#L140">140</a>         <strong class="jxr_keyword">this</strong>(out, Parameters.DEFAULT);
-<a class="jxr_linenumber" name="L141" href="#L141">141</a>     }
-<a class="jxr_linenumber" name="L142" href="#L142">142</a> 
-<a class="jxr_linenumber" name="L143" href="#L143">143</a>     <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="L144" href="#L144">144</a> <em class="jxr_javadoccomment">     * Constructs a new output stream that compresses data using the</em>
-<a class="jxr_linenumber" name="L145" href="#L145">145</a> <em class="jxr_javadoccomment">     * LZ4 frame format using the given block size.</em>
-<a class="jxr_linenumber" name="L146" href="#L146">146</a> <em class="jxr_javadoccomment">     * @param out the OutputStream to which to write the compressed data</em>
-<a class="jxr_linenumber" name="L147" href="#L147">147</a> <em class="jxr_javadoccomment">     * @param params the parameters to use</em>
-<a class="jxr_linenumber" name="L148" href="#L148">148</a> <em class="jxr_javadoccomment">     * @throws IOException if writing the signature fails</em>
-<a class="jxr_linenumber" name="L149" href="#L149">149</a> <em class="jxr_javadoccomment">     */</em>
-<a class="jxr_linenumber" name="L150" href="#L150">150</a>     <strong class="jxr_keyword">public</strong> <a href="../../../../../../org/apache/commons/compress/compressors/lz4/FramedLZ4CompressorOutputStream.html">FramedLZ4CompressorOutputStream</a>(OutputStream out, <a href="../../../../../../org/apache/commons/compress/compressors/lz4/FramedLZ4CompressorOutputStream.html">Parameters</a> params) <strong class="jxr_keyword">throws</strong> IOException {
-<a class="jxr_linenumber" name="L151" href="#L151">151</a>         <strong class="jxr_keyword">this</strong>.params = params;
-<a class="jxr_linenumber" name="L152" href="#L152">152</a>         blockData = <strong class="jxr_keyword">new</strong> byte[params.blockSize.getSize()];
-<a class="jxr_linenumber" name="L153" href="#L153">153</a>         <strong class="jxr_keyword">this</strong>.out = out;
-<a class="jxr_linenumber" name="L154" href="#L154">154</a>         blockHash = params.withBlockChecksum ? <strong class="jxr_keyword">new</strong> <a href="../../../../../../org/apache/commons/compress/compressors/lz4/XXHash32.html">XXHash32</a>() : <strong class="jxr_keyword">null</strong>;
-<a class="jxr_linenumber" name="L155" href="#L155">155</a>         out.write(FramedLZ4CompressorInputStream.LZ4_SIGNATURE);
-<a class="jxr_linenumber" name="L156" href="#L156">156</a>         writeFrameDescriptor();
-<a class="jxr_linenumber" name="L157" href="#L157">157</a>     }
-<a class="jxr_linenumber" name="L158" href="#L158">158</a> 
-<a class="jxr_linenumber" name="L159" href="#L159">159</a>     @Override
-<a class="jxr_linenumber" name="L160" href="#L160">160</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> write(<strong class="jxr_keyword">int</strong> b) <strong class="jxr_keyword">throws</strong> IOException {
-<a class="jxr_linenumber" name="L161" href="#L161">161</a>         oneByte[0] = (byte) (b &amp; 0xff);
-<a class="jxr_linenumber" name="L162" href="#L162">162</a>         write(oneByte);
-<a class="jxr_linenumber" name="L163" href="#L163">163</a>     }
-<a class="jxr_linenumber" name="L164" href="#L164">164</a> 
-<a class="jxr_linenumber" name="L165" href="#L165">165</a>     @Override
-<a class="jxr_linenumber" name="L166" href="#L166">166</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> write(byte[] data, <strong class="jxr_keyword">int</strong> off, <strong class="jxr_keyword">int</strong> len) <strong class="jxr_keyword">throws</strong> IOException {
-<a class="jxr_linenumber" name="L167" href="#L167">167</a>         contentHash.update(data, off, len);
-<a class="jxr_linenumber" name="L168" href="#L168">168</a>         <strong class="jxr_keyword">if</strong> (currentIndex + len &gt; blockData.length) {
-<a class="jxr_linenumber" name="L169" href="#L169">169</a>             flushBlock();
-<a class="jxr_linenumber" name="L170" href="#L170">170</a>             <strong class="jxr_keyword">while</strong> (len &gt; blockData.length) {
-<a class="jxr_linenumber" name="L171" href="#L171">171</a>                 System.arraycopy(data, off, blockData, 0, blockData.length);
-<a class="jxr_linenumber" name="L172" href="#L172">172</a>                 off += blockData.length;
-<a class="jxr_linenumber" name="L173" href="#L173">173</a>                 len -= blockData.length;
-<a class="jxr_linenumber" name="L174" href="#L174">174</a>                 currentIndex = blockData.length;
-<a class="jxr_linenumber" name="L175" href="#L175">175</a>                 flushBlock();
-<a class="jxr_linenumber" name="L176" href="#L176">176</a>             }
-<a class="jxr_linenumber" name="L177" href="#L177">177</a>         }
-<a class="jxr_linenumber" name="L178" href="#L178">178</a>         System.arraycopy(data, off, blockData, currentIndex, len);
-<a class="jxr_linenumber" name="L179" href="#L179">179</a>         currentIndex += len;
-<a class="jxr_linenumber" name="L180" href="#L180">180</a>     }
-<a class="jxr_linenumber" name="L181" href="#L181">181</a> 
-<a class="jxr_linenumber" name="L182" href="#L182">182</a>     @Override
-<a class="jxr_linenumber" name="L183" href="#L183">183</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> close() <strong class="jxr_keyword">throws</strong> IOException {
-<a class="jxr_linenumber" name="L184" href="#L184">184</a>         finish();
-<a class="jxr_linenumber" name="L185" href="#L185">185</a>         out.close();
-<a class="jxr_linenumber" name="L186" href="#L186">186</a>     }
-<a class="jxr_linenumber" name="L187" href="#L187">187</a> 
-<a class="jxr_linenumber" name="L188" href="#L188">188</a>     <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="L189" href="#L189">189</a> <em class="jxr_javadoccomment">     * Compresses all remaining data and writes it to the stream,</em>
-<a class="jxr_linenumber" name="L190" href="#L190">190</a> <em class="jxr_javadoccomment">     * doesn't close the underlying stream.</em>
-<a class="jxr_linenumber" name="L191" href="#L191">191</a> <em class="jxr_javadoccomment">     * @throws IOException if an error occurs</em>
-<a class="jxr_linenumber" name="L192" href="#L192">192</a> <em class="jxr_javadoccomment">     */</em>
-<a class="jxr_linenumber" name="L193" href="#L193">193</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> finish() <strong class="jxr_keyword">throws</strong> IOException {
-<a class="jxr_linenumber" name="L194" href="#L194">194</a>         <strong class="jxr_keyword">if</strong> (!finished) {
-<a class="jxr_linenumber" name="L195" href="#L195">195</a>             <strong class="jxr_keyword">if</strong> (currentIndex &gt; 0) {
-<a class="jxr_linenumber" name="L196" href="#L196">196</a>                 flushBlock();
-<a class="jxr_linenumber" name="L197" href="#L197">197</a>             }
-<a class="jxr_linenumber" name="L198" href="#L198">198</a>             writeTrailer();
-<a class="jxr_linenumber" name="L199" href="#L199">199</a>             finished = <strong class="jxr_keyword">true</strong>;
-<a class="jxr_linenumber" name="L200" href="#L200">200</a>         }
-<a class="jxr_linenumber" name="L201" href="#L201">201</a>     }
-<a class="jxr_linenumber" name="L202" href="#L202">202</a> 
-<a class="jxr_linenumber" name="L203" href="#L203">203</a>     <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">void</strong> writeFrameDescriptor() <strong class="jxr_keyword">throws</strong> IOException {
-<a class="jxr_linenumber" name="L204" href="#L204">204</a>         <strong class="jxr_keyword">int</strong> flags = FramedLZ4CompressorInputStream.SUPPORTED_VERSION
-<a class="jxr_linenumber" name="L205" href="#L205">205</a>             | FramedLZ4CompressorInputStream.BLOCK_INDEPENDENCE_MASK;
-<a class="jxr_linenumber" name="L206" href="#L206">206</a>         <strong class="jxr_keyword">if</strong> (params.withContentChecksum) {
-<a class="jxr_linenumber" name="L207" href="#L207">207</a>             flags |= FramedLZ4CompressorInputStream.CONTENT_CHECKSUM_MASK;
-<a class="jxr_linenumber" name="L208" href="#L208">208</a>         }
-<a class="jxr_linenumber" name="L209" href="#L209">209</a>         <strong class="jxr_keyword">if</strong> (params.withBlockChecksum) {
-<a class="jxr_linenumber" name="L210" href="#L210">210</a>             flags |= FramedLZ4CompressorInputStream.BLOCK_CHECKSUM_MASK;
-<a class="jxr_linenumber" name="L211" href="#L211">211</a>         }
-<a class="jxr_linenumber" name="L212" href="#L212">212</a>         out.write(flags);
-<a class="jxr_linenumber" name="L213" href="#L213">213</a>         contentHash.update(flags);
-<a class="jxr_linenumber" name="L214" href="#L214">214</a>         <strong class="jxr_keyword">int</strong> bd = params.blockSize.getIndex() &lt;&lt; 4;
-<a class="jxr_linenumber" name="L215" href="#L215">215</a>         out.write(bd);
-<a class="jxr_linenumber" name="L216" href="#L216">216</a>         contentHash.update(bd);
-<a class="jxr_linenumber" name="L217" href="#L217">217</a>         out.write((<strong class="jxr_keyword">int</strong>) ((contentHash.getValue() &gt;&gt; 8) &amp; 0xff));
-<a class="jxr_linenumber" name="L218" href="#L218">218</a>         contentHash.reset();
-<a class="jxr_linenumber" name="L219" href="#L219">219</a>     }
-<a class="jxr_linenumber" name="L220" href="#L220">220</a> 
-<a class="jxr_linenumber" name="L221" href="#L221">221</a>     <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">void</strong> flushBlock() <strong class="jxr_keyword">throws</strong> IOException {
-<a class="jxr_linenumber" name="L222" href="#L222">222</a>         ByteArrayOutputStream baos = <strong class="jxr_keyword">new</strong> ByteArrayOutputStream();
-<a class="jxr_linenumber" name="L223" href="#L223">223</a>         <strong class="jxr_keyword">try</strong> (OutputStream o = <strong class="jxr_keyword">new</strong> BlockLZ4CompressorOutputStream(baos)) {
-<a class="jxr_linenumber" name="L224" href="#L224">224</a>             o.write(blockData, 0, currentIndex);
-<a class="jxr_linenumber" name="L225" href="#L225">225</a>         }
-<a class="jxr_linenumber" name="L226" href="#L226">226</a>         byte[] b = baos.toByteArray();
-<a class="jxr_linenumber" name="L227" href="#L227">227</a>         <strong class="jxr_keyword">if</strong> (b.length &gt; currentIndex) { <em class="jxr_comment">// compression increased size, maybe beyond blocksize</em>
-<a class="jxr_linenumber" name="L228" href="#L228">228</a>             ByteUtils.toLittleEndian(out, currentIndex | FramedLZ4CompressorInputStream.UNCOMPRESSED_FLAG_MASK,
-<a class="jxr_linenumber" name="L229" href="#L229">229</a>                 4);
-<a class="jxr_linenumber" name="L230" href="#L230">230</a>             out.write(blockData, 0, currentIndex);
-<a class="jxr_linenumber" name="L231" href="#L231">231</a>             <strong class="jxr_keyword">if</strong> (params.withBlockChecksum) {
-<a class="jxr_linenumber" name="L232" href="#L232">232</a>                 blockHash.update(blockData, 0, currentIndex);
-<a class="jxr_linenumber" name="L233" href="#L233">233</a>             }
-<a class="jxr_linenumber" name="L234" href="#L234">234</a>         } <strong class="jxr_keyword">else</strong> {
-<a class="jxr_linenumber" name="L235" href="#L235">235</a>             ByteUtils.toLittleEndian(out, b.length, 4);
-<a class="jxr_linenumber" name="L236" href="#L236">236</a>             out.write(b);
-<a class="jxr_linenumber" name="L237" href="#L237">237</a>             <strong class="jxr_keyword">if</strong> (params.withBlockChecksum) {
-<a class="jxr_linenumber" name="L238" href="#L238">238</a>                 blockHash.update(b, 0, b.length);
-<a class="jxr_linenumber" name="L239" href="#L239">239</a>             }
-<a class="jxr_linenumber" name="L240" href="#L240">240</a>         }
-<a class="jxr_linenumber" name="L241" href="#L241">241</a>         <strong class="jxr_keyword">if</strong> (params.withBlockChecksum) {
-<a class="jxr_linenumber" name="L242" href="#L242">242</a>             ByteUtils.toLittleEndian(out, blockHash.getValue(), 4);
-<a class="jxr_linenumber" name="L243" href="#L243">243</a>             blockHash.reset();
-<a class="jxr_linenumber" name="L244" href="#L244">244</a>         }
-<a class="jxr_linenumber" name="L245" href="#L245">245</a>         currentIndex = 0;
-<a class="jxr_linenumber" name="L246" href="#L246">246</a>     }
-<a class="jxr_linenumber" name="L247" href="#L247">247</a> 
-<a class="jxr_linenumber" name="L248" href="#L248">248</a>     <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">void</strong> writeTrailer() <strong class="jxr_keyword">throws</strong> IOException {
-<a class="jxr_linenumber" name="L249" href="#L249">249</a>         out.write(END_MARK);
-<a class="jxr_linenumber" name="L250" href="#L250">250</a>         ByteUtils.toLittleEndian(out, contentHash.getValue(), 4);
-<a class="jxr_linenumber" name="L251" href="#L251">251</a>     }
+<a class="jxr_linenumber" name="L46" href="#L46">46</a>      <em class="jxr_comment">// used in one-arg write method</em>
+<a class="jxr_linenumber" name="L47" href="#L47">47</a>      <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> byte[] oneByte = <strong class="jxr_keyword">new</strong> byte[1];
+<a class="jxr_linenumber" name="L48" href="#L48">48</a>  
+<a class="jxr_linenumber" name="L49" href="#L49">49</a>      <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> byte[] blockData;
+<a class="jxr_linenumber" name="L50" href="#L50">50</a>      <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> OutputStream out;
+<a class="jxr_linenumber" name="L51" href="#L51">51</a>      <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <a href="../../../../../../org/apache/commons/compress/compressors/lz4/FramedLZ4CompressorOutputStream.html">Parameters</a> params;
+<a class="jxr_linenumber" name="L52" href="#L52">52</a>      <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">boolean</strong> finished = false;
+<a class="jxr_linenumber" name="L53" href="#L53">53</a>      <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">int</strong> currentIndex = 0;
+<a class="jxr_linenumber" name="L54" href="#L54">54</a>  
+<a class="jxr_linenumber" name="L55" href="#L55">55</a>      <em class="jxr_comment">// used for frame header checksum and content checksum, if requested</em>
+<a class="jxr_linenumber" name="L56" href="#L56">56</a>      <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <a href="../../../../../../org/apache/commons/compress/compressors/lz4/XXHash32.html">XXHash32</a> contentHash = <strong class="jxr_keyword">new</strong> <a href="../../../../../../org/apache/commons/compress/compressors/lz4/XXHash32.html">XXHash32</a>();
+<a class="jxr_linenumber" name="L57" href="#L57">57</a>      <em class="jxr_comment">// used for block checksum, if requested</em>
+<a class="jxr_linenumber" name="L58" href="#L58">58</a>      <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <a href="../../../../../../org/apache/commons/compress/compressors/lz4/XXHash32.html">XXHash32</a> blockHash;
+<a class="jxr_linenumber" name="L59" href="#L59">59</a>  
+<a class="jxr_linenumber" name="L60" href="#L60">60</a>      <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="L61" href="#L61">61</a>  <em class="jxr_javadoccomment">     * The block sizes supported by the format.</em>
+<a class="jxr_linenumber" name="L62" href="#L62">62</a>  <em class="jxr_javadoccomment">     */</em>
+<a class="jxr_linenumber" name="L63" href="#L63">63</a>      <strong class="jxr_keyword">public</strong> enum <a href="../../../../../../org/apache/commons/compress/compressors/lz4/FramedLZ4CompressorOutputStream.html">BlockSize</a> {
+<a class="jxr_linenumber" name="L64" href="#L64">64</a>          <em class="jxr_javadoccomment">/** Block size of 64K */</em>
+<a class="jxr_linenumber" name="L65" href="#L65">65</a>          K64(64 * 1024, 0),
+<a class="jxr_linenumber" name="L66" href="#L66">66</a>          <em class="jxr_javadoccomment">/** Block size of 256K */</em>
+<a class="jxr_linenumber" name="L67" href="#L67">67</a>          K256(256 * 1024, 1),
+<a class="jxr_linenumber" name="L68" href="#L68">68</a>          <em class="jxr_javadoccomment">/** Block size of 1M */</em>
+<a class="jxr_linenumber" name="L69" href="#L69">69</a>          M1(1024 * 1024, 2),
+<a class="jxr_linenumber" name="L70" href="#L70">70</a>          <em class="jxr_javadoccomment">/** Block size of 4M */</em>
+<a class="jxr_linenumber" name="L71" href="#L71">71</a>          M4(1024 * 1024, 4);
+<a class="jxr_linenumber" name="L72" href="#L72">72</a>  
+<a class="jxr_linenumber" name="L73" href="#L73">73</a>          <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> size, index;
+<a class="jxr_linenumber" name="L74" href="#L74">74</a>          <strong class="jxr_keyword">private</strong> <a href="../../../../../../org/apache/commons/compress/compressors/lz4/FramedLZ4CompressorOutputStream.html">BlockSize</a>(<strong class="jxr_keyword">int</strong> size, <strong class="jxr_keyword">int</strong> index) {
+<a class="jxr_linenumber" name="L75" href="#L75">75</a>              <strong class="jxr_keyword">this</strong>.size = size;
+<a class="jxr_linenumber" name="L76" href="#L76">76</a>              <strong class="jxr_keyword">this</strong>.index = index;
+<a class="jxr_linenumber" name="L77" href="#L77">77</a>          }
+<a class="jxr_linenumber" name="L78" href="#L78">78</a>          <strong class="jxr_keyword">int</strong> getSize() {
+<a class="jxr_linenumber" name="L79" href="#L79">79</a>              <strong class="jxr_keyword">return</strong> size;
+<a class="jxr_linenumber" name="L80" href="#L80">80</a>          }
+<a class="jxr_linenumber" name="L81" href="#L81">81</a>          <strong class="jxr_keyword">int</strong> getIndex() {
+<a class="jxr_linenumber" name="L82" href="#L82">82</a>              <strong class="jxr_keyword">return</strong> index;
+<a class="jxr_linenumber" name="L83" href="#L83">83</a>          }
+<a class="jxr_linenumber" name="L84" href="#L84">84</a>      }
+<a class="jxr_linenumber" name="L85" href="#L85">85</a>  
+<a class="jxr_linenumber" name="L86" href="#L86">86</a>      <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="L87" href="#L87">87</a>  <em class="jxr_javadoccomment">     * Parameters of the LZ4 frame format.</em>
+<a class="jxr_linenumber" name="L88" href="#L88">88</a>  <em class="jxr_javadoccomment">     */</em>
+<a class="jxr_linenumber" name="L89" href="#L89">89</a>      <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../../../org/apache/commons/compress/compressors/lz4/FramedLZ4CompressorOutputStream.html">Parameters</a> {
+<a class="jxr_linenumber" name="L90" href="#L90">90</a>          <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <a href="../../../../../../org/apache/commons/compress/compressors/lz4/FramedLZ4CompressorOutputStream.html">BlockSize</a> blockSize;
+<a class="jxr_linenumber" name="L91" href="#L91">91</a>          <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">boolean</strong> withContentChecksum, withBlockChecksum;
+<a class="jxr_linenumber" name="L92" href="#L92">92</a>  
+<a class="jxr_linenumber" name="L93" href="#L93">93</a>          <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="L94" href="#L94">94</a>  <em class="jxr_javadoccomment">         * The default parameters of 4M block size, enabled content</em>
+<a class="jxr_linenumber" name="L95" href="#L95">95</a>  <em class="jxr_javadoccomment">         * checksum, disabled block checksums and independent blocks.</em>
+<a class="jxr_linenumber" name="L96" href="#L96">96</a>  <em class="jxr_javadoccomment">         *</em>
+<a class="jxr_linenumber" name="L97" href="#L97">97</a>  <em class="jxr_javadoccomment">         * &lt;p&gt;This matches the defaults of the lz4 command line utility.&lt;/p&gt;</em>
+<a class="jxr_linenumber" name="L98" href="#L98">98</a>  <em class="jxr_javadoccomment">         */</em>
+<a class="jxr_linenumber" name="L99" href="#L99">99</a>          <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> <a href="../../../../../../org/apache/commons/compress/compressors/lz4/FramedLZ4CompressorOutputStream.html">Parameters</a> DEFAULT = <strong class="jxr_keyword">new</strong> <a href="../../../../../../org/apache/commons/compress/compressors/lz4/FramedLZ4CompressorOutputStream.html">Parameters</a>(BlockSize.M4, <strong class="jxr_keyword">true</strong>, false);
+<a class="jxr_linenumber" name="L100" href="#L100">100</a> 
+<a class="jxr_linenumber" name="L101" href="#L101">101</a>         <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="L102" href="#L102">102</a> <em class="jxr_javadoccomment">         * Sets up custom a custom block size for the LZ4 stream but</em>
+<a class="jxr_linenumber" name="L103" href="#L103">103</a> <em class="jxr_javadoccomment">         * otherwise uses the defaults of enabled content checksum,</em>
+<a class="jxr_linenumber" name="L104" href="#L104">104</a> <em class="jxr_javadoccomment">         * disabled block checksums and independent blocks.</em>
+<a class="jxr_linenumber" name="L105" href="#L105">105</a> <em class="jxr_javadoccomment">         * @param blockSize the size of a single block.</em>
+<a class="jxr_linenumber" name="L106" href="#L106">106</a> <em class="jxr_javadoccomment">         */</em>
+<a class="jxr_linenumber" name="L107" href="#L107">107</a>         <strong class="jxr_keyword">public</strong> <a href="../../../../../../org/apache/commons/compress/compressors/lz4/FramedLZ4CompressorOutputStream.html">Parameters</a>(<a href="../../../../../../org/apache/commons/compress/compressors/lz4/FramedLZ4CompressorOutputStream.html">BlockSize</a> blockSize) {
+<a class="jxr_linenumber" name="L108" href="#L108">108</a>             <strong class="jxr_keyword">this</strong>(blockSize, <strong class="jxr_keyword">true</strong>, false);
+<a class="jxr_linenumber" name="L109" href="#L109">109</a>         }
+<a class="jxr_linenumber" name="L110" href="#L110">110</a>         <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="L111" href="#L111">111</a> <em class="jxr_javadoccomment">         * Sets up custom parameters for the LZ4 stream.</em>
+<a class="jxr_linenumber" name="L112" href="#L112">112</a> <em class="jxr_javadoccomment">         * @param blockSize the size of a single block.</em>
+<a class="jxr_linenumber" name="L113" href="#L113">113</a> <em class="jxr_javadoccomment">         * @param withContentChecksum whether to write a content checksum</em>
+<a class="jxr_linenumber" name="L114" href="#L114">114</a> <em class="jxr_javadoccomment">         * @param withBlockChecksum whether to write a block checksum.</em>
+<a class="jxr_linenumber" name="L115" href="#L115">115</a> <em class="jxr_javadoccomment">         * Note that block checksums are not supported by the lz4</em>
+<a class="jxr_linenumber" name="L116" href="#L116">116</a> <em class="jxr_javadoccomment">         * command line utility</em>
+<a class="jxr_linenumber" name="L117" href="#L117">117</a> <em class="jxr_javadoccomment">         */</em>
+<a class="jxr_linenumber" name="L118" href="#L118">118</a>         <strong class="jxr_keyword">public</strong> <a href="../../../../../../org/apache/commons/compress/compressors/lz4/FramedLZ4CompressorOutputStream.html">Parameters</a>(<a href="../../../../../../org/apache/commons/compress/compressors/lz4/FramedLZ4CompressorOutputStream.html">BlockSize</a> blockSize, <strong class="jxr_keyword">boolean</strong> withContentChecksum, <strong class="jxr_keyword">boolean</strong> withBlockChecksum) {
+<a class="jxr_linenumber" name="L119" href="#L119">119</a>             <strong class="jxr_keyword">this</strong>.blockSize = blockSize;
+<a class="jxr_linenumber" name="L120" href="#L120">120</a>             <strong class="jxr_keyword">this</strong>.withContentChecksum = withContentChecksum;
+<a class="jxr_linenumber" name="L121" href="#L121">121</a>             <strong class="jxr_keyword">this</strong>.withBlockChecksum = withBlockChecksum;
+<a class="jxr_linenumber" name="L122" href="#L122">122</a>         }
+<a class="jxr_linenumber" name="L123" href="#L123">123</a> 
+<a class="jxr_linenumber" name="L124" href="#L124">124</a>         @Override
+<a class="jxr_linenumber" name="L125" href="#L125">125</a>         <strong class="jxr_keyword">public</strong> String toString() {
+<a class="jxr_linenumber" name="L126" href="#L126">126</a>             <strong class="jxr_keyword">return</strong> <span class="jxr_string">"LZ4 Parameters with BlockSize "</span> + blockSize + <span class="jxr_string">", withContentChecksum "</span> + withContentChecksum
+<a class="jxr_linenumber" name="L127" href="#L127">127</a>                 + <span class="jxr_string">", withBlockChecksum "</span> + withBlockChecksum;
+<a class="jxr_linenumber" name="L128" href="#L128">128</a>         }
+<a class="jxr_linenumber" name="L129" href="#L129">129</a>     }
+<a class="jxr_linenumber" name="L130" href="#L130">130</a> 
+<a class="jxr_linenumber" name="L131" href="#L131">131</a>     <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="L132" href="#L132">132</a> <em class="jxr_javadoccomment">     * Constructs a new output stream that compresses data using the</em>
+<a class="jxr_linenumber" name="L133" href="#L133">133</a> <em class="jxr_javadoccomment">     * LZ4 frame format using the default block size of 4MB.</em>
+<a class="jxr_linenumber" name="L134" href="#L134">134</a> <em class="jxr_javadoccomment">     * @param out the OutputStream to which to write the compressed data</em>
+<a class="jxr_linenumber" name="L135" href="#L135">135</a> <em class="jxr_javadoccomment">     * @throws IOException if writing the signature fails</em>
+<a class="jxr_linenumber" name="L136" href="#L136">136</a> <em class="jxr_javadoccomment">     */</em>
+<a class="jxr_linenumber" name="L137" href="#L137">137</a>     <strong class="jxr_keyword">public</strong> <a href="../../../../../../org/apache/commons/compress/compressors/lz4/FramedLZ4CompressorOutputStream.html">FramedLZ4CompressorOutputStream</a>(OutputStream out) <strong class="jxr_keyword">throws</strong> IOException {
+<a class="jxr_linenumber" name="L138" href="#L138">138</a>         <strong class="jxr_keyword">this</strong>(out, Parameters.DEFAULT);
+<a class="jxr_linenumber" name="L139" href="#L139">139</a>     }
+<a class="jxr_linenumber" name="L140" href="#L140">140</a> 
+<a class="jxr_linenumber" name="L141" href="#L141">141</a>     <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="L142" href="#L142">142</a> <em class="jxr_javadoccomment">     * Constructs a new output stream that compresses data using the</em>
+<a class="jxr_linenumber" name="L143" href="#L143">143</a> <em class="jxr_javadoccomment">     * LZ4 frame format using the given block size.</em>
+<a class="jxr_linenumber" name="L144" href="#L144">144</a> <em class="jxr_javadoccomment">     * @param out the OutputStream to which to write the compressed data</em>
+<a class="jxr_linenumber" name="L145" href="#L145">145</a> <em class="jxr_javadoccomment">     * @param params the parameters to use</em>
+<a class="jxr_linenumber" name="L146" href="#L146">146</a> <em class="jxr_javadoccomment">     * @throws IOException if writing the signature fails</em>
+<a class="jxr_linenumber" name="L147" href="#L147">147</a> <em class="jxr_javadoccomment">     */</em>
+<a class="jxr_linenumber" name="L148" href="#L148">148</a>     <strong class="jxr_keyword">public</strong> <a href="../../../../../../org/apache/commons/compress/compressors/lz4/FramedLZ4CompressorOutputStream.html">FramedLZ4CompressorOutputStream</a>(OutputStream out, <a href="../../../../../../org/apache/commons/compress/compressors/lz4/FramedLZ4CompressorOutputStream.html">Parameters</a> params) <strong class="jxr_keyword">throws</strong> IOException {
+<a class="jxr_linenumber" name="L149" href="#L149">149</a>         <strong class="jxr_keyword">this</strong>.params = params;
+<a class="jxr_linenumber" name="L150" href="#L150">150</a>         blockData = <strong class="jxr_keyword">new</strong> byte[params.blockSize.getSize()];
+<a class="jxr_linenumber" name="L151" href="#L151">151</a>         <strong class="jxr_keyword">this</strong>.out = out;
+<a class="jxr_linenumber" name="L152" href="#L152">152</a>         blockHash = params.withBlockChecksum ? <strong class="jxr_keyword">new</strong> <a href="../../../../../../org/apache/commons/compress/compressors/lz4/XXHash32.html">XXHash32</a>() : <strong class="jxr_keyword">null</strong>;
+<a class="jxr_linenumber" name="L153" href="#L153">153</a>         out.write(FramedLZ4CompressorInputStream.LZ4_SIGNATURE);
+<a class="jxr_linenumber" name="L154" href="#L154">154</a>         writeFrameDescriptor();
+<a class="jxr_linenumber" name="L155" href="#L155">155</a>     }
+<a class="jxr_linenumber" name="L156" href="#L156">156</a> 
+<a class="jxr_linenumber" name="L157" href="#L157">157</a>     @Override
+<a class="jxr_linenumber" name="L158" href="#L158">158</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> write(<strong class="jxr_keyword">int</strong> b) <strong class="jxr_keyword">throws</strong> IOException {
+<a class="jxr_linenumber" name="L159" href="#L159">159</a>         oneByte[0] = (byte) (b &amp; 0xff);
+<a class="jxr_linenumber" name="L160" href="#L160">160</a>         write(oneByte);
+<a class="jxr_linenumber" name="L161" href="#L161">161</a>     }
+<a class="jxr_linenumber" name="L162" href="#L162">162</a> 
+<a class="jxr_linenumber" name="L163" href="#L163">163</a>     @Override
+<a class="jxr_linenumber" name="L164" href="#L164">164</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> write(byte[] data, <strong class="jxr_keyword">int</strong> off, <strong class="jxr_keyword">int</strong> len) <strong class="jxr_keyword">throws</strong> IOException {
+<a class="jxr_linenumber" name="L165" href="#L165">165</a>         contentHash.update(data, off, len);
+<a class="jxr_linenumber" name="L166" href="#L166">166</a>         <strong class="jxr_keyword">if</strong> (currentIndex + len &gt; blockData.length) {
+<a class="jxr_linenumber" name="L167" href="#L167">167</a>             flushBlock();
+<a class="jxr_linenumber" name="L168" href="#L168">168</a>             <strong class="jxr_keyword">while</strong> (len &gt; blockData.length) {
+<a class="jxr_linenumber" name="L169" href="#L169">169</a>                 System.arraycopy(data, off, blockData, 0, blockData.length);
+<a class="jxr_linenumber" name="L170" href="#L170">170</a>                 off += blockData.length;
+<a class="jxr_linenumber" name="L171" href="#L171">171</a>                 len -= blockData.length;
+<a class="jxr_linenumber" name="L172" href="#L172">172</a>                 currentIndex = blockData.length;
+<a class="jxr_linenumber" name="L173" href="#L173">173</a>                 flushBlock();
+<a class="jxr_linenumber" name="L174" href="#L174">174</a>             }
+<a class="jxr_linenumber" name="L175" href="#L175">175</a>         }
+<a class="jxr_linenumber" name="L176" href="#L176">176</a>         System.arraycopy(data, off, blockData, currentIndex, len);
+<a class="jxr_linenumber" name="L177" href="#L177">177</a>         currentIndex += len;
+<a class="jxr_linenumber" name="L178" href="#L178">178</a>     }
+<a class="jxr_linenumber" name="L179" href="#L179">179</a> 
+<a class="jxr_linenumber" name="L180" href="#L180">180</a>     @Override
+<a class="jxr_linenumber" name="L181" href="#L181">181</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> close() <strong class="jxr_keyword">throws</strong> IOException {
+<a class="jxr_linenumber" name="L182" href="#L182">182</a>         finish();
+<a class="jxr_linenumber" name="L183" href="#L183">183</a>         out.close();
+<a class="jxr_linenumber" name="L184" href="#L184">184</a>     }
+<a class="jxr_linenumber" name="L185" href="#L185">185</a> 
+<a class="jxr_linenumber" name="L186" href="#L186">186</a>     <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="L187" href="#L187">187</a> <em class="jxr_javadoccomment">     * Compresses all remaining data and writes it to the stream,</em>
+<a class="jxr_linenumber" name="L188" href="#L188">188</a> <em class="jxr_javadoccomment">     * doesn't close the underlying stream.</em>
+<a class="jxr_linenumber" name="L189" href="#L189">189</a> <em class="jxr_javadoccomment">     * @throws IOException if an error occurs</em>
+<a class="jxr_linenumber" name="L190" href="#L190">190</a> <em class="jxr_javadoccomment">     */</em>
+<a class="jxr_linenumber" name="L191" href="#L191">191</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> finish() <strong class="jxr_keyword">throws</strong> IOException {
+<a class="jxr_linenumber" name="L192" href="#L192">192</a>         <strong class="jxr_keyword">if</strong> (!finished) {
+<a class="jxr_linenumber" name="L193" href="#L193">193</a>             <strong class="jxr_keyword">if</strong> (currentIndex &gt; 0) {
+<a class="jxr_linenumber" name="L194" href="#L194">194</a>                 flushBlock();
+<a class="jxr_linenumber" name="L195" href="#L195">195</a>             }
+<a class="jxr_linenumber" name="L196" href="#L196">196</a>             writeTrailer();
+<a class="jxr_linenumber" name="L197" href="#L197">197</a>             finished = <strong class="jxr_keyword">true</strong>;
+<a class="jxr_linenumber" name="L198" href="#L198">198</a>         }
+<a class="jxr_linenumber" name="L199" href="#L199">199</a>     }
+<a class="jxr_linenumber" name="L200" href="#L200">200</a> 
+<a class="jxr_linenumber" name="L201" href="#L201">201</a>     <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">void</strong> writeFrameDescriptor() <strong class="jxr_keyword">throws</strong> IOException {
+<a class="jxr_linenumber" name="L202" href="#L202">202</a>         <strong class="jxr_keyword">int</strong> flags = FramedLZ4CompressorInputStream.SUPPORTED_VERSION
+<a class="jxr_linenumber" name="L203" href="#L203">203</a>             | FramedLZ4CompressorInputStream.BLOCK_INDEPENDENCE_MASK;
+<a class="jxr_linenumber" name="L204" href="#L204">204</a>         <strong class="jxr_keyword">if</strong> (params.withContentChecksum) {
+<a class="jxr_linenumber" name="L205" href="#L205">205</a>             flags |= FramedLZ4CompressorInputStream.CONTENT_CHECKSUM_MASK;
+<a class="jxr_linenumber" name="L206" href="#L206">206</a>         }
+<a class="jxr_linenumber" name="L207" href="#L207">207</a>         <strong class="jxr_keyword">if</strong> (params.withBlockChecksum) {
+<a class="jxr_linenumber" name="L208" href="#L208">208</a>             flags |= FramedLZ4CompressorInputStream.BLOCK_CHECKSUM_MASK;
+<a class="jxr_linenumber" name="L209" href="#L209">209</a>         }
+<a class="jxr_linenumber" name="L210" href="#L210">210</a>         out.write(flags);
+<a class="jxr_linenumber" name="L211" href="#L211">211</a>         contentHash.update(flags);
+<a class="jxr_linenumber" name="L212" href="#L212">212</a>         <strong class="jxr_keyword">int</strong> bd = params.blockSize.getIndex() &lt;&lt; 4;
+<a class="jxr_linenumber" name="L213" href="#L213">213</a>         out.write(bd);
+<a class="jxr_linenumber" name="L214" href="#L214">214</a>         contentHash.update(bd);
+<a class="jxr_linenumber" name="L215" href="#L215">215</a>         out.write((<strong class="jxr_keyword">int</strong>) ((contentHash.getValue() &gt;&gt; 8) &amp; 0xff));
+<a class="jxr_linenumber" name="L216" href="#L216">216</a>         contentHash.reset();
+<a class="jxr_linenumber" name="L217" href="#L217">217</a>     }
+<a class="jxr_linenumber" name="L218" href="#L218">218</a> 
+<a class="jxr_linenumber" name="L219" href="#L219">219</a>     <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">void</strong> flushBlock() <strong class="jxr_keyword">throws</strong> IOException {
+<a class="jxr_linenumber" name="L220" href="#L220">220</a>         ByteArrayOutputStream baos = <strong class="jxr_keyword">new</strong> ByteArrayOutputStream();
+<a class="jxr_linenumber" name="L221" href="#L221">221</a>         <strong class="jxr_keyword">try</strong> (OutputStream o = <strong class="jxr_keyword">new</strong> BlockLZ4CompressorOutputStream(baos)) {
+<a class="jxr_linenumber" name="L222" href="#L222">222</a>             o.write(blockData, 0, currentIndex);
+<a class="jxr_linenumber" name="L223" href="#L223">223</a>         }
+<a class="jxr_linenumber" name="L224" href="#L224">224</a>         byte[] b = baos.toByteArray();
+<a class="jxr_linenumber" name="L225" href="#L225">225</a>         <strong class="jxr_keyword">if</strong> (b.length &gt; currentIndex) { <em class="jxr_comment">// compression increased size, maybe beyond blocksize</em>
+<a class="jxr_linenumber" name="L226" href="#L226">226</a>             ByteUtils.toLittleEndian(out, currentIndex | FramedLZ4CompressorInputStream.UNCOMPRESSED_FLAG_MASK,
+<a class="jxr_linenumber" name="L227" href="#L227">227</a>                 4);
+<a class="jxr_linenumber" name="L228" href="#L228">228</a>             out.write(blockData, 0, currentIndex);
+<a class="jxr_linenumber" name="L229" href="#L229">229</a>             <strong class="jxr_keyword">if</strong> (params.withBlockChecksum) {
+<a class="jxr_linenumber" name="L230" href="#L230">230</a>                 blockHash.update(blockData, 0, currentIndex);
+<a class="jxr_linenumber" name="L231" href="#L231">231</a>             }
+<a class="jxr_linenumber" name="L232" href="#L232">232</a>         } <strong class="jxr_keyword">else</strong> {
+<a class="jxr_linenumber" name="L233" href="#L233">233</a>             ByteUtils.toLittleEndian(out, b.length, 4);
+<a class="jxr_linenumber" name="L234" href="#L234">234</a>             out.write(b);
+<a class="jxr_linenumber" name="L235" href="#L235">235</a>             <strong class="jxr_keyword">if</strong> (params.withBlockChecksum) {
+<a class="jxr_linenumber" name="L236" href="#L236">236</a>                 blockHash.update(b, 0, b.length);
+<a class="jxr_linenumber" name="L237" href="#L237">237</a>             }
+<a class="jxr_linenumber" name="L238" href="#L238">238</a>         }
+<a class="jxr_linenumber" name="L239" href="#L239">239</a>         <strong class="jxr_keyword">if</strong> (params.withBlockChecksum) {
+<a class="jxr_linenumber" name="L240" href="#L240">240</a>             ByteUtils.toLittleEndian(out, blockHash.getValue(), 4);
+<a class="jxr_linenumber" name="L241" href="#L241">241</a>             blockHash.reset();
+<a class="jxr_linenumber" name="L242" href="#L242">242</a>         }
+<a class="jxr_linenumber" name="L243" href="#L243">243</a>         currentIndex = 0;
+<a class="jxr_linenumber" name="L244" href="#L244">244</a>     }
+<a class="jxr_linenumber" name="L245" href="#L245">245</a> 
+<a class="jxr_linenumber" name="L246" href="#L246">246</a>     <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">void</strong> writeTrailer() <strong class="jxr_keyword">throws</strong> IOException {
+<a class="jxr_linenumber" name="L247" href="#L247">247</a>         out.write(END_MARK);
+<a class="jxr_linenumber" name="L248" href="#L248">248</a>         ByteUtils.toLittleEndian(out, contentHash.getValue(), 4);
+<a class="jxr_linenumber" name="L249" href="#L249">249</a>     }
+<a class="jxr_linenumber" name="L250" href="#L250">250</a> 
+<a class="jxr_linenumber" name="L251" href="#L251">251</a> }
 <a class="jxr_linenumber" name="L252" href="#L252">252</a> 
-<a class="jxr_linenumber" name="L253" href="#L253">253</a> }
-<a class="jxr_linenumber" name="L254" href="#L254">254</a> 
 </pre>
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