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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en"><head><meta http-equiv="content-type" content="text/html; charset=UTF-8" /><title>Element xref</title><link type="text/css" rel="stylesheet" href="../../../../stylesheet.css" /></head><body><div id="overview"><a href="../../../../../apidocs/org/archive/util/anvl/Element.html">View Javadoc</a></div><pre><a name="1" href="#1">1</a> <em class="comment">/*<em class="comment"> Element</em></em><a name="2" href="#2">2</a> <em class="comment">*</em><a name="3" href="#3">3</a> <em class="comment">* $Id: Element.java,v 1.5 2006/08/26 00:33:38 stack-sf Exp $</em><a name="4" href="#4">4</a> <em class="comment">*</em><a name="5" href="#5">5</a> <em class="comment">* Created on July 26, 2006.</em><a name="6" href="#6">6</a> <em class="comment">*</em><a name="7" href="#7">7</a> <em class="comment">* Copyright (C) 2006 Internet Archive.e.</em><a name="8" href="#8">8</a> <em class="comment">*</em><a name="9" href="#9">9</a> <em class="comment">* This file is part of the Heritrix web crawler (crawler.archive.org).</em><a name="10" href="#10">10</a> <em class="comment">*</em><a name="11" href="#11">11</a> <em class="comment">* Heritrix is free software; you can redistribute it and/or modify</em><a name="12" href="#12">12</a> <em class="comment">* it under the terms of the GNU Lesser Public License as published by</em><a name="13" href="#13">13</a> <em class="comment">* the Free Software Foundation; either version 2.1 of the License, or</em><a name="14" href="#14">14</a> <em class="comment">* any later version.</em><a name="15" href="#15">15</a> <em class="comment">*</em><a name="16" href="#16">16</a> <em class="comment">* Heritrix is distributed in the hope that it will be useful,</em><a name="17" href="#17">17</a> <em class="comment">* but WITHOUT ANY WARRANTY; without even the implied warranty of</em><a name="18" href="#18">18</a> <em class="comment">* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the</em><a name="19" href="#19">19</a> <em class="comment">* GNU Lesser Public License for more details.</em><a name="20" href="#20">20</a> <em class="comment">*</em><a name="21" href="#21">21</a> <em class="comment">* You should have received a copy of the GNU Lesser Public License</em><a name="22" href="#22">22</a> <em class="comment">* along with Heritrix; if not, write to the Free Software</em><a name="23" href="#23">23</a> <em class="comment">* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA</em><a name="24" href="#24">24</a> <em class="comment">*/</em><a name="25" href="#25">25</a> <strong>package</strong> <a href="../../../../org/archive/util/anvl/package-summary.html">org.archive.util.anvl</a>;<a name="26" href="#26">26</a> <a name="27" href="#27">27</a> <a name="28" href="#28">28</a> <em>/**<em>*</em></em><a name="29" href="#29">29</a> <em> * ANVL 'data element'.</em><a name="30" href="#30">30</a> <em> * Made of a lone {@link Label}, or a {@link Label} plus {@link Value}.</em><a name="31" href="#31">31</a> <em> * </em><a name="32" href="#32">32</a> <em> * @author stack</em><a name="33" href="#33">33</a> <em> * @see <a</em><a name="34" href="#34">34</a> <em> * href="<a href="http://www.cdlib.org/inside/diglib/ark/anvlspec.pdf" target="alexandria_uri">http://www.cdlib.org/inside/diglib/ark/anvlspec.pdf</a>">A Name-Value</em><a name="35" href="#35">35</a> <em> * Language (ANVL)</a></em><a name="36" href="#36">36</a> <em> */</em><a name="37" href="#37">37</a> <strong>class</strong> <a href="../../../../org/archive/util/anvl/Element.html">Element</a> {<a name="38" href="#38">38</a> <strong>private</strong> <strong>final</strong> <a href="../../../../org/archive/util/anvl/SubElement.html">SubElement</a> [] subElements;<a name="39" href="#39">39</a> <a name="40" href="#40">40</a> <strong>public</strong> <a href="../../../../org/archive/util/anvl/Element.html">Element</a>(<strong>final</strong> <a href="../../../../org/archive/util/anvl/Label.html">Label</a> l) {<a name="41" href="#41">41</a> <strong>this</strong>.subElements = <strong>new</strong> <a href="../../../../org/archive/util/anvl/SubElement.html">SubElement</a> [] {l};<a name="42" href="#42">42</a> }<a name="43" href="#43">43</a> <a name="44" href="#44">44</a> <strong>public</strong> <a href="../../../../org/archive/util/anvl/Element.html">Element</a>(<strong>final</strong> <a href="../../../../org/archive/util/anvl/Label.html">Label</a> l, <strong>final</strong> <a href="../../../../org/archive/util/anvl/Value.html">Value</a> v) {<a name="45" href="#45">45</a> <strong>this</strong>.subElements = <strong>new</strong> <a href="../../../../org/archive/util/anvl/SubElement.html">SubElement</a> [] {l, v};<a name="46" href="#46">46</a> }<a name="47" href="#47">47</a> <a name="48" href="#48">48</a> <strong>public</strong> <strong>boolean</strong> isValue() {<a name="49" href="#49">49</a> <strong>return</strong> <strong>this</strong>.subElements.length > 1;<a name="50" href="#50">50</a> }<a name="51" href="#51">51</a> <a name="52" href="#52">52</a> <strong>public</strong> <a href="../../../../org/archive/util/anvl/Label.html">Label</a> getLabel() {<a name="53" href="#53">53</a> <strong>return</strong> (Label)<strong>this</strong>.subElements[0];<a name="54" href="#54">54</a> }<a name="55" href="#55">55</a> <a name="56" href="#56">56</a> <strong>public</strong> <a href="../../../../org/archive/util/anvl/Value.html">Value</a> getValue() {<a name="57" href="#57">57</a> <strong>if</strong> (!isValue()) {<a name="58" href="#58">58</a> <strong>return</strong> <strong>null</strong>;<a name="59" href="#59">59</a> }<a name="60" href="#60">60</a> <strong>return</strong> (Value)<strong>this</strong>.subElements[1];<a name="61" href="#61">61</a> }<a name="62" href="#62">62</a> <a name="63" href="#63">63</a> @Override<a name="64" href="#64">64</a> <strong>public</strong> String toString() {<a name="65" href="#65">65</a> StringBuilder sb = <strong>new</strong> StringBuilder();<a name="66" href="#66">66</a> <strong>for</strong> (<strong>int</strong> i = 0; i < subElements.length; i++) {<a name="67" href="#67">67</a> sb.append(subElements[i].toString());<a name="68" href="#68">68</a> <strong>if</strong> (i == 0) {<a name="69" href="#69">69</a> <em class="comment">// Add colon after Label.</em><a name="70" href="#70">70</a> sb.append(':');<a name="71" href="#71">71</a> <strong>if</strong> (isValue()) {<a name="72" href="#72">72</a> <em class="comment">// Add space to intro the value.</em><a name="73" href="#73">73</a> sb.append(' ');<a name="74" href="#74">74</a> }<a name="75" href="#75">75</a> }<a name="76" href="#76">76</a> }<a name="77" href="#77">77</a> <strong>return</strong> sb.toString();<a name="78" href="#78">78</a> }<a name="79" href="#79">79</a> }</pre><hr/><div id="footer">This page was automatically generated by <a href="http://maven.apache.org/">Maven</a></div></body></html>⌨️ 快捷键说明
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