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From st...@apache.org
Subject svn commit: r1006435 [13/18] - in /websites/production/commons/content/proper/commons-rdf-parent: ./ apidocs/ apidocs/org/apache/commons/rdf/api/ apidocs/org/apache/commons/rdf/api/class-use/ apidocs/org/apache/commons/rdf/jena/ apidocs/org/apache/comm...
Date Thu, 09 Feb 2017 00:35:29 GMT
Modified: websites/production/commons/content/proper/commons-rdf-parent/xref/org/apache/commons/rdf/api/Literal.html
==============================================================================
--- websites/production/commons/content/proper/commons-rdf-parent/xref/org/apache/commons/rdf/api/Literal.html
(original)
+++ websites/production/commons/content/proper/commons-rdf-parent/xref/org/apache/commons/rdf/api/Literal.html
Thu Feb  9 00:35:28 2017
@@ -26,116 +26,129 @@
 <a class="jxr_linenumber" name="L18" href="#L18">18</a>  <strong class="jxr_keyword">package</strong>
org.apache.commons.rdf.api;
 <a class="jxr_linenumber" name="L19" href="#L19">19</a>  
 <a class="jxr_linenumber" name="L20" href="#L20">20</a>  <strong class="jxr_keyword">import</strong>
java.io.Serializable;
-<a class="jxr_linenumber" name="L21" href="#L21">21</a>  <strong class="jxr_keyword">import</strong>
java.util.Objects;
-<a class="jxr_linenumber" name="L22" href="#L22">22</a>  <strong class="jxr_keyword">import</strong>
java.util.Optional;
-<a class="jxr_linenumber" name="L23" href="#L23">23</a>  
-<a class="jxr_linenumber" name="L24" href="#L24">24</a>  <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="L25" href="#L25">25</a>  <em class="jxr_javadoccomment">
* A RDF-1.1 Literal, as defined by</em>
-<a class="jxr_linenumber" name="L26" href="#L26">26</a>  <em class="jxr_javadoccomment">
* &lt;a href= "<a href="http://www.w3.org/TR/rdf11-concepts/" target="alexandria_uri">http://www.w3.org/TR/rdf11-concepts/</a>#section-Graph-Literal"</em>
-<a class="jxr_linenumber" name="L27" href="#L27">27</a>  <em class="jxr_javadoccomment">
* &gt;RDF-1.1 Concepts and Abstract Syntax&lt;/a&gt;, a W3C Recommendation published
on</em>
-<a class="jxr_linenumber" name="L28" href="#L28">28</a>  <em class="jxr_javadoccomment">
* 25 February 2014</em>
-<a class="jxr_linenumber" name="L29" href="#L29">29</a>  <em class="jxr_javadoccomment">
* </em>
-<a class="jxr_linenumber" name="L30" href="#L30">30</a>  <em class="jxr_javadoccomment">
* @see RDF#createLiteral(String)</em>
-<a class="jxr_linenumber" name="L31" href="#L31">31</a>  <em class="jxr_javadoccomment">
* @see RDF#createLiteral(String, IRI)</em>
-<a class="jxr_linenumber" name="L32" href="#L32">32</a>  <em class="jxr_javadoccomment">
* @see RDF#createLiteral(String, String)</em>
-<a class="jxr_linenumber" name="L33" href="#L33">33</a>  <em class="jxr_javadoccomment">
*/</em>
-<a class="jxr_linenumber" name="L34" href="#L34">34</a>  <strong class="jxr_keyword">public</strong>
<strong class="jxr_keyword">interface</strong> <a href="../../../../../org/apache/commons/rdf/api/Literal.html">Literal</a>
<strong class="jxr_keyword">extends</strong> <a href="../../../../../org/apache/commons/rdf/api/RDFTerm.html">RDFTerm</a>
{
-<a class="jxr_linenumber" name="L35" href="#L35">35</a>  
-<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>  <em class="jxr_javadoccomment">
    * The lexical form of this literal, represented by a</em>
-<a class="jxr_linenumber" name="L38" href="#L38">38</a>  <em class="jxr_javadoccomment">
    * &lt;a href="<a href="http://www.unicode.org/versions/latest/" target="alexandria_uri">http://www.unicode.org/versions/latest/</a>"&gt;Unicode
string&lt;/a&gt;.</em>
-<a class="jxr_linenumber" name="L39" href="#L39">39</a>  <em class="jxr_javadoccomment">
    *</em>
-<a class="jxr_linenumber" name="L40" href="#L40">40</a>  <em class="jxr_javadoccomment">
    * @return The lexical form of this literal.</em>
-<a class="jxr_linenumber" name="L41" href="#L41">41</a>  <em class="jxr_javadoccomment">
    * @see &lt;a href=</em>
-<a class="jxr_linenumber" name="L42" href="#L42">42</a>  <em class="jxr_javadoccomment">
    *      "<a href="http://www.w3.org/TR/rdf11-concepts/" target="alexandria_uri">http://www.w3.org/TR/rdf11-concepts/</a>#dfn-lexical-form"&gt;RDF-1.1</em>
-<a class="jxr_linenumber" name="L43" href="#L43">43</a>  <em class="jxr_javadoccomment">
    *      Literal lexical form&lt;/a&gt;</em>
-<a class="jxr_linenumber" name="L44" href="#L44">44</a>  <em class="jxr_javadoccomment">
    */</em>
-<a class="jxr_linenumber" name="L45" href="#L45">45</a>      String getLexicalForm();
-<a class="jxr_linenumber" name="L46" href="#L46">46</a>  
-<a class="jxr_linenumber" name="L47" href="#L47">47</a>      <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="L48" href="#L48">48</a>  <em class="jxr_javadoccomment">
    * The IRI identifying the datatype that determines how the lexical form</em>
-<a class="jxr_linenumber" name="L49" href="#L49">49</a>  <em class="jxr_javadoccomment">
    * maps to a literal value.</em>
-<a class="jxr_linenumber" name="L50" href="#L50">50</a>  <em class="jxr_javadoccomment">
    *</em>
-<a class="jxr_linenumber" name="L51" href="#L51">51</a>  <em class="jxr_javadoccomment">
    * If the datatype IRI is</em>
-<a class="jxr_linenumber" name="L52" href="#L52">52</a>  <em class="jxr_javadoccomment">
    * &lt;a href="<a href="http://www.w3.org/1999/02/22-rdf-syntax-ns" target="alexandria_uri">http://www.w3.org/1999/02/22-rdf-syntax-ns</a>#langString"</em>
-<a class="jxr_linenumber" name="L53" href="#L53">53</a>  <em class="jxr_javadoccomment">
    * &gt;<a href="http://www.w3.org/1999/02/22-rdf-syntax-ns" target="alexandria_uri">http://www.w3.org/1999/02/22-rdf-syntax-ns</a>#langString&lt;/a&gt;,</em>
-<a class="jxr_linenumber" name="L54" href="#L54">54</a>  <em class="jxr_javadoccomment">
    * {@link #getLanguageTag()} must not return {@link Optional#empty()}, and</em>
-<a class="jxr_linenumber" name="L55" href="#L55">55</a>  <em class="jxr_javadoccomment">
    * it must return a valid</em>
-<a class="jxr_linenumber" name="L56" href="#L56">56</a>  <em class="jxr_javadoccomment">
    * &lt;a href="<a href="http://tools.ietf.org/html/bcp47" target="alexandria_uri">http://tools.ietf.org/html/bcp47</a>"&gt;BCP47&lt;/a&gt;
language tag.</em>
-<a class="jxr_linenumber" name="L57" href="#L57">57</a>  <em class="jxr_javadoccomment">
    *</em>
-<a class="jxr_linenumber" name="L58" href="#L58">58</a>  <em class="jxr_javadoccomment">
    * @return The datatype IRI for this literal.</em>
-<a class="jxr_linenumber" name="L59" href="#L59">59</a>  <em class="jxr_javadoccomment">
    * @see &lt;a href=</em>
-<a class="jxr_linenumber" name="L60" href="#L60">60</a>  <em class="jxr_javadoccomment">
    *      "<a href="http://www.w3.org/TR/rdf11-concepts/" target="alexandria_uri">http://www.w3.org/TR/rdf11-concepts/</a>#dfn-datatype-iri"&gt;RDF-1.1</em>
-<a class="jxr_linenumber" name="L61" href="#L61">61</a>  <em class="jxr_javadoccomment">
    *      Literal datatype IRI&lt;/a&gt;</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>      <a href="../../../../../org/apache/commons/rdf/api/IRI.html">IRI</a>
getDatatype();
-<a class="jxr_linenumber" name="L64" href="#L64">64</a>  
-<a class="jxr_linenumber" name="L65" href="#L65">65</a>      <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="L66" href="#L66">66</a>  <em class="jxr_javadoccomment">
    * If and only if the datatype IRI is</em>
-<a class="jxr_linenumber" name="L67" href="#L67">67</a>  <em class="jxr_javadoccomment">
    * &lt;a href="<a href="http://www.w3.org/1999/02/22-rdf-syntax-ns" target="alexandria_uri">http://www.w3.org/1999/02/22-rdf-syntax-ns</a>#langString"</em>
-<a class="jxr_linenumber" name="L68" href="#L68">68</a>  <em class="jxr_javadoccomment">
    * &gt;<a href="http://www.w3.org/1999/02/22-rdf-syntax-ns" target="alexandria_uri">http://www.w3.org/1999/02/22-rdf-syntax-ns</a>#langString&lt;/a&gt;,
the language</em>
-<a class="jxr_linenumber" name="L69" href="#L69">69</a>  <em class="jxr_javadoccomment">
    * tag for this Literal is a non-empty language tag as defined by</em>
-<a class="jxr_linenumber" name="L70" href="#L70">70</a>  <em class="jxr_javadoccomment">
    * &lt;a href="<a href="http://tools.ietf.org/html/bcp47" target="alexandria_uri">http://tools.ietf.org/html/bcp47</a>"&gt;BCP47&lt;/a&gt;.&lt;br&gt;</em>
-<a class="jxr_linenumber" name="L71" href="#L71">71</a>  <em class="jxr_javadoccomment">
    * If the datatype IRI is not</em>
-<a class="jxr_linenumber" name="L72" href="#L72">72</a>  <em class="jxr_javadoccomment">
    * &lt;a href="<a href="http://www.w3.org/1999/02/22-rdf-syntax-ns" target="alexandria_uri">http://www.w3.org/1999/02/22-rdf-syntax-ns</a>#langString"</em>
-<a class="jxr_linenumber" name="L73" href="#L73">73</a>  <em class="jxr_javadoccomment">
    * &gt;<a href="http://www.w3.org/1999/02/22-rdf-syntax-ns" target="alexandria_uri">http://www.w3.org/1999/02/22-rdf-syntax-ns</a>#langString&lt;/a&gt;,
this method</em>
-<a class="jxr_linenumber" name="L74" href="#L74">74</a>  <em class="jxr_javadoccomment">
    * must return {@link Optional#empty()}.</em>
-<a class="jxr_linenumber" name="L75" href="#L75">75</a>  <em class="jxr_javadoccomment">
    *</em>
-<a class="jxr_linenumber" name="L76" href="#L76">76</a>  <em class="jxr_javadoccomment">
    * Implementation note: If your application requires {@link Serializable}</em>
-<a class="jxr_linenumber" name="L77" href="#L77">77</a>  <em class="jxr_javadoccomment">
    * objects, it is best not to store an {@link Optional} in a field. It is</em>
-<a class="jxr_linenumber" name="L78" href="#L78">78</a>  <em class="jxr_javadoccomment">
    * recommended to use {@link Optional#ofNullable(Object)} to create the</em>
-<a class="jxr_linenumber" name="L79" href="#L79">79</a>  <em class="jxr_javadoccomment">
    * return value for this method.</em>
-<a class="jxr_linenumber" name="L80" href="#L80">80</a>  <em class="jxr_javadoccomment">
    *</em>
-<a class="jxr_linenumber" name="L81" href="#L81">81</a>  <em class="jxr_javadoccomment">
    * @return The {@link Optional} language tag for this literal. If</em>
-<a class="jxr_linenumber" name="L82" href="#L82">82</a>  <em class="jxr_javadoccomment">
    *         {@link Optional#isPresent()} returns true, the value returned by</em>
-<a class="jxr_linenumber" name="L83" href="#L83">83</a>  <em class="jxr_javadoccomment">
    *         {@link Optional#get()} must be a non-empty string conforming to</em>
-<a class="jxr_linenumber" name="L84" href="#L84">84</a>  <em class="jxr_javadoccomment">
    *         BCP47.</em>
-<a class="jxr_linenumber" name="L85" href="#L85">85</a>  <em class="jxr_javadoccomment">
    * @see &lt;a href=</em>
-<a class="jxr_linenumber" name="L86" href="#L86">86</a>  <em class="jxr_javadoccomment">
    *      "<a href="http://www.w3.org/TR/rdf11-concepts/" target="alexandria_uri">http://www.w3.org/TR/rdf11-concepts/</a>#dfn-language-tag"&gt;RDF-1.1</em>
-<a class="jxr_linenumber" name="L87" href="#L87">87</a>  <em class="jxr_javadoccomment">
    *      Literal language tag&lt;/a&gt;</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>      Optional&lt;String&gt;
getLanguageTag();
-<a class="jxr_linenumber" name="L90" href="#L90">90</a>  
-<a class="jxr_linenumber" name="L91" href="#L91">91</a>      <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="L92" href="#L92">92</a>  <em class="jxr_javadoccomment">
    * Check it this Literal is equal to another Literal. &lt;blockquote&gt;</em>
-<a class="jxr_linenumber" name="L93" href="#L93">93</a>  <em class="jxr_javadoccomment">
    * &lt;a href="<a href="http://www.w3.org/TR/rdf11-concepts/" target="alexandria_uri">http://www.w3.org/TR/rdf11-concepts/</a>#dfn-literal-term"&gt;Literal</em>
-<a class="jxr_linenumber" name="L94" href="#L94">94</a>  <em class="jxr_javadoccomment">
    * term equality&lt;/a&gt;: Two literals are term-equal (the same RDF literal)
if</em>
-<a class="jxr_linenumber" name="L95" href="#L95">95</a>  <em class="jxr_javadoccomment">
    * and only if the two lexical forms, the two datatype IRIs, and the two</em>
-<a class="jxr_linenumber" name="L96" href="#L96">96</a>  <em class="jxr_javadoccomment">
    * language tags (if any) compare equal, character by character. Thus, two</em>
-<a class="jxr_linenumber" name="L97" href="#L97">97</a>  <em class="jxr_javadoccomment">
    * literals can have the same value without being the same RDF term.</em>
-<a class="jxr_linenumber" name="L98" href="#L98">98</a>  <em class="jxr_javadoccomment">
    * &lt;/blockquote&gt;</em>
-<a class="jxr_linenumber" name="L99" href="#L99">99</a>  <em class="jxr_javadoccomment">
    *</em>
-<a class="jxr_linenumber" name="L100" href="#L100">100</a> <em class="jxr_javadoccomment">
    * Implementations MUST also override {@link #hashCode()} so that two equal</em>
-<a class="jxr_linenumber" name="L101" href="#L101">101</a> <em class="jxr_javadoccomment">
    * Literals produce the same hash code.</em>
-<a class="jxr_linenumber" name="L102" href="#L102">102</a> <em class="jxr_javadoccomment">
    *</em>
-<a class="jxr_linenumber" name="L103" href="#L103">103</a> <em class="jxr_javadoccomment">
    * @param other</em>
-<a class="jxr_linenumber" name="L104" href="#L104">104</a> <em class="jxr_javadoccomment">
    *            Another object</em>
-<a class="jxr_linenumber" name="L105" href="#L105">105</a> <em class="jxr_javadoccomment">
    * @return true if other is a Literal and is equal to this</em>
-<a class="jxr_linenumber" name="L106" href="#L106">106</a> <em class="jxr_javadoccomment">
    * @see Object#equals(Object)</em>
-<a class="jxr_linenumber" name="L107" href="#L107">107</a> <em class="jxr_javadoccomment">
    */</em>
-<a class="jxr_linenumber" name="L108" href="#L108">108</a>     @Override
-<a class="jxr_linenumber" name="L109" href="#L109">109</a>     <strong class="jxr_keyword">public</strong>
<strong class="jxr_keyword">boolean</strong> equals(Object other);
-<a class="jxr_linenumber" name="L110" href="#L110">110</a> 
-<a class="jxr_linenumber" name="L111" href="#L111">111</a>     <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="L112" href="#L112">112</a> <em class="jxr_javadoccomment">
    * Calculate a hash code for this Literal.</em>
-<a class="jxr_linenumber" name="L113" href="#L113">113</a> <em class="jxr_javadoccomment">
    * &lt;p&gt;</em>
-<a class="jxr_linenumber" name="L114" href="#L114">114</a> <em class="jxr_javadoccomment">
    * The returned hash code MUST be equal to the result of</em>
-<a class="jxr_linenumber" name="L115" href="#L115">115</a> <em class="jxr_javadoccomment">
    * {@link Objects#hash(Object...)} with the arguments</em>
-<a class="jxr_linenumber" name="L116" href="#L116">116</a> <em class="jxr_javadoccomment">
    * {@link #getLexicalForm()}, {@link #getDatatype()},</em>
-<a class="jxr_linenumber" name="L117" href="#L117">117</a> <em class="jxr_javadoccomment">
    * {@link #getLanguageTag()}.</em>
-<a class="jxr_linenumber" name="L118" href="#L118">118</a> <em class="jxr_javadoccomment">
    * &lt;p&gt;</em>
-<a class="jxr_linenumber" name="L119" href="#L119">119</a> <em class="jxr_javadoccomment">
    * This method MUST be implemented in conjunction with</em>
-<a class="jxr_linenumber" name="L120" href="#L120">120</a> <em class="jxr_javadoccomment">
    * {@link #equals(Object)} so that two equal Literals produce the same hash</em>
-<a class="jxr_linenumber" name="L121" href="#L121">121</a> <em class="jxr_javadoccomment">
    * code.</em>
-<a class="jxr_linenumber" name="L122" href="#L122">122</a> <em class="jxr_javadoccomment">
    *</em>
-<a class="jxr_linenumber" name="L123" href="#L123">123</a> <em class="jxr_javadoccomment">
    * @return a hash code value for this Literal.</em>
-<a class="jxr_linenumber" name="L124" href="#L124">124</a> <em class="jxr_javadoccomment">
    * @see Object#hashCode()</em>
-<a class="jxr_linenumber" name="L125" href="#L125">125</a> <em class="jxr_javadoccomment">
    * @see Objects#hash(Object...)</em>
-<a class="jxr_linenumber" name="L126" href="#L126">126</a> <em class="jxr_javadoccomment">
    */</em>
-<a class="jxr_linenumber" name="L127" href="#L127">127</a>     @Override
-<a class="jxr_linenumber" name="L128" href="#L128">128</a>     <strong class="jxr_keyword">public</strong>
<strong class="jxr_keyword">int</strong> hashCode();
-<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="L21" href="#L21">21</a>  <strong class="jxr_keyword">import</strong>
java.util.Locale;
+<a class="jxr_linenumber" name="L22" href="#L22">22</a>  <strong class="jxr_keyword">import</strong>
java.util.Objects;
+<a class="jxr_linenumber" name="L23" href="#L23">23</a>  <strong class="jxr_keyword">import</strong>
java.util.Optional;
+<a class="jxr_linenumber" name="L24" href="#L24">24</a>  
+<a class="jxr_linenumber" name="L25" href="#L25">25</a>  <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="L26" href="#L26">26</a>  <em class="jxr_javadoccomment">
* A RDF-1.1 Literal, as defined by</em>
+<a class="jxr_linenumber" name="L27" href="#L27">27</a>  <em class="jxr_javadoccomment">
* &lt;a href= "<a href="http://www.w3.org/TR/rdf11-concepts/" target="alexandria_uri">http://www.w3.org/TR/rdf11-concepts/</a>#section-Graph-Literal"</em>
+<a class="jxr_linenumber" name="L28" href="#L28">28</a>  <em class="jxr_javadoccomment">
* &gt;RDF-1.1 Concepts and Abstract Syntax&lt;/a&gt;, a W3C Recommendation published
on</em>
+<a class="jxr_linenumber" name="L29" href="#L29">29</a>  <em class="jxr_javadoccomment">
* 25 February 2014</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">
* @see RDF#createLiteral(String)</em>
+<a class="jxr_linenumber" name="L32" href="#L32">32</a>  <em class="jxr_javadoccomment">
* @see RDF#createLiteral(String, IRI)</em>
+<a class="jxr_linenumber" name="L33" href="#L33">33</a>  <em class="jxr_javadoccomment">
* @see RDF#createLiteral(String, String)</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>  <strong class="jxr_keyword">public</strong>
<strong class="jxr_keyword">interface</strong> <a href="../../../../../org/apache/commons/rdf/api/Literal.html">Literal</a>
<strong class="jxr_keyword">extends</strong> <a href="../../../../../org/apache/commons/rdf/api/RDFTerm.html">RDFTerm</a>
{
+<a class="jxr_linenumber" name="L36" href="#L36">36</a>  
+<a class="jxr_linenumber" name="L37" href="#L37">37</a>      <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="L38" href="#L38">38</a>  <em class="jxr_javadoccomment">
    * The lexical form of this literal, represented by a</em>
+<a class="jxr_linenumber" name="L39" href="#L39">39</a>  <em class="jxr_javadoccomment">
    * &lt;a href="<a href="http://www.unicode.org/versions/latest/" target="alexandria_uri">http://www.unicode.org/versions/latest/</a>"&gt;Unicode
string&lt;/a&gt;.</em>
+<a class="jxr_linenumber" name="L40" href="#L40">40</a>  <em class="jxr_javadoccomment">
    *</em>
+<a class="jxr_linenumber" name="L41" href="#L41">41</a>  <em class="jxr_javadoccomment">
    * @return The lexical form of this literal.</em>
+<a class="jxr_linenumber" name="L42" href="#L42">42</a>  <em class="jxr_javadoccomment">
    * @see &lt;a href=</em>
+<a class="jxr_linenumber" name="L43" href="#L43">43</a>  <em class="jxr_javadoccomment">
    *      "<a href="http://www.w3.org/TR/rdf11-concepts/" target="alexandria_uri">http://www.w3.org/TR/rdf11-concepts/</a>#dfn-lexical-form"&gt;RDF-1.1</em>
+<a class="jxr_linenumber" name="L44" href="#L44">44</a>  <em class="jxr_javadoccomment">
    *      Literal lexical form&lt;/a&gt;</em>
+<a class="jxr_linenumber" name="L45" href="#L45">45</a>  <em class="jxr_javadoccomment">
    */</em>
+<a class="jxr_linenumber" name="L46" href="#L46">46</a>      String getLexicalForm();
+<a class="jxr_linenumber" name="L47" href="#L47">47</a>  
+<a class="jxr_linenumber" name="L48" href="#L48">48</a>      <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="L49" href="#L49">49</a>  <em class="jxr_javadoccomment">
    * The IRI identifying the datatype that determines how the lexical form</em>
+<a class="jxr_linenumber" name="L50" href="#L50">50</a>  <em class="jxr_javadoccomment">
    * maps to a literal value.</em>
+<a class="jxr_linenumber" name="L51" href="#L51">51</a>  <em class="jxr_javadoccomment">
    *</em>
+<a class="jxr_linenumber" name="L52" href="#L52">52</a>  <em class="jxr_javadoccomment">
    * If the datatype IRI is</em>
+<a class="jxr_linenumber" name="L53" href="#L53">53</a>  <em class="jxr_javadoccomment">
    * &lt;a href="<a href="http://www.w3.org/1999/02/22-rdf-syntax-ns" target="alexandria_uri">http://www.w3.org/1999/02/22-rdf-syntax-ns</a>#langString"</em>
+<a class="jxr_linenumber" name="L54" href="#L54">54</a>  <em class="jxr_javadoccomment">
    * &gt;<a href="http://www.w3.org/1999/02/22-rdf-syntax-ns" target="alexandria_uri">http://www.w3.org/1999/02/22-rdf-syntax-ns</a>#langString&lt;/a&gt;,</em>
+<a class="jxr_linenumber" name="L55" href="#L55">55</a>  <em class="jxr_javadoccomment">
    * {@link #getLanguageTag()} must not return {@link Optional#empty()}, and</em>
+<a class="jxr_linenumber" name="L56" href="#L56">56</a>  <em class="jxr_javadoccomment">
    * it must return a valid</em>
+<a class="jxr_linenumber" name="L57" href="#L57">57</a>  <em class="jxr_javadoccomment">
    * &lt;a href="<a href="http://tools.ietf.org/html/bcp47" target="alexandria_uri">http://tools.ietf.org/html/bcp47</a>"&gt;BCP47&lt;/a&gt;
language tag.</em>
+<a class="jxr_linenumber" name="L58" href="#L58">58</a>  <em class="jxr_javadoccomment">
    *</em>
+<a class="jxr_linenumber" name="L59" href="#L59">59</a>  <em class="jxr_javadoccomment">
    * @return The datatype IRI for this literal.</em>
+<a class="jxr_linenumber" name="L60" href="#L60">60</a>  <em class="jxr_javadoccomment">
    * @see &lt;a href=</em>
+<a class="jxr_linenumber" name="L61" href="#L61">61</a>  <em class="jxr_javadoccomment">
    *      "<a href="http://www.w3.org/TR/rdf11-concepts/" target="alexandria_uri">http://www.w3.org/TR/rdf11-concepts/</a>#dfn-datatype-iri"&gt;RDF-1.1</em>
+<a class="jxr_linenumber" name="L62" href="#L62">62</a>  <em class="jxr_javadoccomment">
    *      Literal datatype IRI&lt;/a&gt;</em>
+<a class="jxr_linenumber" name="L63" href="#L63">63</a>  <em class="jxr_javadoccomment">
    */</em>
+<a class="jxr_linenumber" name="L64" href="#L64">64</a>      <a href="../../../../../org/apache/commons/rdf/api/IRI.html">IRI</a>
getDatatype();
+<a class="jxr_linenumber" name="L65" href="#L65">65</a>  
+<a class="jxr_linenumber" name="L66" href="#L66">66</a>      <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="L67" href="#L67">67</a>  <em class="jxr_javadoccomment">
    * If and only if the datatype IRI is</em>
+<a class="jxr_linenumber" name="L68" href="#L68">68</a>  <em class="jxr_javadoccomment">
    * &lt;a href="<a href="http://www.w3.org/1999/02/22-rdf-syntax-ns" target="alexandria_uri">http://www.w3.org/1999/02/22-rdf-syntax-ns</a>#langString"</em>
+<a class="jxr_linenumber" name="L69" href="#L69">69</a>  <em class="jxr_javadoccomment">
    * &gt;<a href="http://www.w3.org/1999/02/22-rdf-syntax-ns" target="alexandria_uri">http://www.w3.org/1999/02/22-rdf-syntax-ns</a>#langString&lt;/a&gt;,
the language</em>
+<a class="jxr_linenumber" name="L70" href="#L70">70</a>  <em class="jxr_javadoccomment">
    * tag for this Literal is a non-empty language tag as defined by</em>
+<a class="jxr_linenumber" name="L71" href="#L71">71</a>  <em class="jxr_javadoccomment">
    * &lt;a href="<a href="http://tools.ietf.org/html/bcp47" target="alexandria_uri">http://tools.ietf.org/html/bcp47</a>"&gt;BCP47&lt;/a&gt;.&lt;br&gt;</em>
+<a class="jxr_linenumber" name="L72" href="#L72">72</a>  <em class="jxr_javadoccomment">
    * If the datatype IRI is not</em>
+<a class="jxr_linenumber" name="L73" href="#L73">73</a>  <em class="jxr_javadoccomment">
    * &lt;a href="<a href="http://www.w3.org/1999/02/22-rdf-syntax-ns" target="alexandria_uri">http://www.w3.org/1999/02/22-rdf-syntax-ns</a>#langString"</em>
+<a class="jxr_linenumber" name="L74" href="#L74">74</a>  <em class="jxr_javadoccomment">
    * &gt;<a href="http://www.w3.org/1999/02/22-rdf-syntax-ns" target="alexandria_uri">http://www.w3.org/1999/02/22-rdf-syntax-ns</a>#langString&lt;/a&gt;,
this method</em>
+<a class="jxr_linenumber" name="L75" href="#L75">75</a>  <em class="jxr_javadoccomment">
    * must return {@link Optional#empty()}.</em>
+<a class="jxr_linenumber" name="L76" href="#L76">76</a>  <em class="jxr_javadoccomment">
    * &lt;p&gt;</em>
+<a class="jxr_linenumber" name="L77" href="#L77">77</a>  <em class="jxr_javadoccomment">
    * The value space of language tags is always in lower case; although </em>
+<a class="jxr_linenumber" name="L78" href="#L78">78</a>  <em class="jxr_javadoccomment">
    * RDF implementations MAY convert all language tags to lower case,</em>
+<a class="jxr_linenumber" name="L79" href="#L79">79</a>  <em class="jxr_javadoccomment">
    * safe comparisons of language tags should be done using</em>
+<a class="jxr_linenumber" name="L80" href="#L80">80</a>  <em class="jxr_javadoccomment">
    * {@link String#toLowerCase(Locale)} with the locale</em>
+<a class="jxr_linenumber" name="L81" href="#L81">81</a>  <em class="jxr_javadoccomment">
    * {@link Locale#ROOT}. </em>
+<a class="jxr_linenumber" name="L82" href="#L82">82</a>  <em class="jxr_javadoccomment">
    * &lt;p&gt;</em>
+<a class="jxr_linenumber" name="L83" href="#L83">83</a>  <em class="jxr_javadoccomment">
    * Implementation note: If your application requires {@link Serializable}</em>
+<a class="jxr_linenumber" name="L84" href="#L84">84</a>  <em class="jxr_javadoccomment">
    * objects, it is best not to store an {@link Optional} in a field. It is</em>
+<a class="jxr_linenumber" name="L85" href="#L85">85</a>  <em class="jxr_javadoccomment">
    * recommended to use {@link Optional#ofNullable(Object)} to create the</em>
+<a class="jxr_linenumber" name="L86" href="#L86">86</a>  <em class="jxr_javadoccomment">
    * return value for this method.</em>
+<a class="jxr_linenumber" name="L87" href="#L87">87</a>  <em class="jxr_javadoccomment">
    *</em>
+<a class="jxr_linenumber" name="L88" href="#L88">88</a>  <em class="jxr_javadoccomment">
    * @return The {@link Optional} language tag for this literal. If</em>
+<a class="jxr_linenumber" name="L89" href="#L89">89</a>  <em class="jxr_javadoccomment">
    *         {@link Optional#isPresent()} returns true, the value returned by</em>
+<a class="jxr_linenumber" name="L90" href="#L90">90</a>  <em class="jxr_javadoccomment">
    *         {@link Optional#get()} must be a non-empty language tag string</em>
+<a class="jxr_linenumber" name="L91" href="#L91">91</a>  <em class="jxr_javadoccomment">
    *         conforming to BCP47.</em>
+<a class="jxr_linenumber" name="L92" href="#L92">92</a>  <em class="jxr_javadoccomment">
    * @see &lt;a href=</em>
+<a class="jxr_linenumber" name="L93" href="#L93">93</a>  <em class="jxr_javadoccomment">
    *      "<a href="http://www.w3.org/TR/rdf11-concepts/" target="alexandria_uri">http://www.w3.org/TR/rdf11-concepts/</a>#dfn-language-tag"&gt;RDF-1.1</em>
+<a class="jxr_linenumber" name="L94" href="#L94">94</a>  <em class="jxr_javadoccomment">
    *      Literal language tag&lt;/a&gt;</em>
+<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>      Optional&lt;String&gt;
getLanguageTag();
+<a class="jxr_linenumber" name="L97" href="#L97">97</a>  
+<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">
    * Check it this Literal is equal to another Literal. </em>
+<a class="jxr_linenumber" name="L100" href="#L100">100</a> <em class="jxr_javadoccomment">
    * &lt;blockquote&gt;</em>
+<a class="jxr_linenumber" name="L101" href="#L101">101</a> <em class="jxr_javadoccomment">
    * &lt;a href="<a href="http://www.w3.org/TR/rdf11-concepts/" target="alexandria_uri">http://www.w3.org/TR/rdf11-concepts/</a>#dfn-literal-term"&gt;Literal</em>
+<a class="jxr_linenumber" name="L102" href="#L102">102</a> <em class="jxr_javadoccomment">
    * term equality&lt;/a&gt;: </em>
+<a class="jxr_linenumber" name="L103" href="#L103">103</a> <em class="jxr_javadoccomment">
    * Two literals are term-equal (the same RDF literal) if</em>
+<a class="jxr_linenumber" name="L104" href="#L104">104</a> <em class="jxr_javadoccomment">
    * and only if the two lexical forms, the two datatype IRIs, and the two</em>
+<a class="jxr_linenumber" name="L105" href="#L105">105</a> <em class="jxr_javadoccomment">
    * language tags (if any) compare equal, character by character. Thus, two</em>
+<a class="jxr_linenumber" name="L106" href="#L106">106</a> <em class="jxr_javadoccomment">
    * literals can have the same value without being the same RDF term.</em>
+<a class="jxr_linenumber" name="L107" href="#L107">107</a> <em class="jxr_javadoccomment">
    * &lt;/blockquote&gt;</em>
+<a class="jxr_linenumber" name="L108" href="#L108">108</a> <em class="jxr_javadoccomment">
    * As the value space for language tags is lower-space, if they are present,</em>
+<a class="jxr_linenumber" name="L109" href="#L109">109</a> <em class="jxr_javadoccomment">
    * they MUST be compared character by character</em>
+<a class="jxr_linenumber" name="L110" href="#L110">110</a> <em class="jxr_javadoccomment">
    * using the equivalent of {@link String#toLowerCase(java.util.Locale)} with</em>
+<a class="jxr_linenumber" name="L111" href="#L111">111</a> <em class="jxr_javadoccomment">
    * the locale {@link Locale#ROOT}.</em>
+<a class="jxr_linenumber" name="L112" href="#L112">112</a> <em class="jxr_javadoccomment">
    * &lt;p&gt;</em>
+<a class="jxr_linenumber" name="L113" href="#L113">113</a> <em class="jxr_javadoccomment">
    * Implementations MUST also override {@link #hashCode()} so that two equal</em>
+<a class="jxr_linenumber" name="L114" href="#L114">114</a> <em class="jxr_javadoccomment">
    * Literals produce the same hash code.</em>
+<a class="jxr_linenumber" name="L115" href="#L115">115</a> <em class="jxr_javadoccomment">
    *</em>
+<a class="jxr_linenumber" name="L116" href="#L116">116</a> <em class="jxr_javadoccomment">
    * @param other</em>
+<a class="jxr_linenumber" name="L117" href="#L117">117</a> <em class="jxr_javadoccomment">
    *            Another object</em>
+<a class="jxr_linenumber" name="L118" href="#L118">118</a> <em class="jxr_javadoccomment">
    * @return true if other is a Literal and is equal to this</em>
+<a class="jxr_linenumber" name="L119" href="#L119">119</a> <em class="jxr_javadoccomment">
    * @see Object#equals(Object)</em>
+<a class="jxr_linenumber" name="L120" href="#L120">120</a> <em class="jxr_javadoccomment">
    */</em>
+<a class="jxr_linenumber" name="L121" href="#L121">121</a>     @Override
+<a class="jxr_linenumber" name="L122" href="#L122">122</a>     <strong class="jxr_keyword">public</strong>
<strong class="jxr_keyword">boolean</strong> equals(Object other);
+<a class="jxr_linenumber" name="L123" href="#L123">123</a> 
+<a class="jxr_linenumber" name="L124" href="#L124">124</a>     <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="L125" href="#L125">125</a> <em class="jxr_javadoccomment">
    * Calculate a hash code for this Literal.</em>
+<a class="jxr_linenumber" name="L126" href="#L126">126</a> <em class="jxr_javadoccomment">
    * &lt;p&gt;</em>
+<a class="jxr_linenumber" name="L127" href="#L127">127</a> <em class="jxr_javadoccomment">
    * The returned hash code MUST be equal to the result of</em>
+<a class="jxr_linenumber" name="L128" href="#L128">128</a> <em class="jxr_javadoccomment">
    * {@link Objects#hash(Object...)} with the arguments</em>
+<a class="jxr_linenumber" name="L129" href="#L129">129</a> <em class="jxr_javadoccomment">
    * {@link #getLexicalForm()}, {@link #getDatatype()},</em>
+<a class="jxr_linenumber" name="L130" href="#L130">130</a> <em class="jxr_javadoccomment">
    * {@link #getLanguageTag()}&lt;code&gt;.map(s-&amp;gt;s.toLowerString(Locale.ROOT))&lt;/code&gt;.</em>
+<a class="jxr_linenumber" name="L131" href="#L131">131</a> <em class="jxr_javadoccomment">
    * &lt;p&gt;</em>
+<a class="jxr_linenumber" name="L132" href="#L132">132</a> <em class="jxr_javadoccomment">
    * This method MUST be implemented in conjunction with</em>
+<a class="jxr_linenumber" name="L133" href="#L133">133</a> <em class="jxr_javadoccomment">
    * {@link #equals(Object)} so that two equal Literals produce the same hash</em>
+<a class="jxr_linenumber" name="L134" href="#L134">134</a> <em class="jxr_javadoccomment">
    * code.</em>
+<a class="jxr_linenumber" name="L135" href="#L135">135</a> <em class="jxr_javadoccomment">
    *</em>
+<a class="jxr_linenumber" name="L136" href="#L136">136</a> <em class="jxr_javadoccomment">
    * @return a hash code value for this Literal.</em>
+<a class="jxr_linenumber" name="L137" href="#L137">137</a> <em class="jxr_javadoccomment">
    * @see Object#hashCode()</em>
+<a class="jxr_linenumber" name="L138" href="#L138">138</a> <em class="jxr_javadoccomment">
    * @see Objects#hash(Object...)</em>
+<a class="jxr_linenumber" name="L139" href="#L139">139</a> <em class="jxr_javadoccomment">
    */</em>
+<a class="jxr_linenumber" name="L140" href="#L140">140</a>     @Override
+<a class="jxr_linenumber" name="L141" href="#L141">141</a>     <strong class="jxr_keyword">public</strong>
<strong class="jxr_keyword">int</strong> hashCode();
+<a class="jxr_linenumber" name="L142" href="#L142">142</a> 
+<a class="jxr_linenumber" name="L143" href="#L143">143</a> }
 </pre>
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