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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=ISO-8859-1" /><title>Atom03Parser xref</title><link type="text/css" rel="stylesheet" href="../../../../../stylesheet.css" /></head><body><div id="overview"><a href="../../../../../../apidocs/com/sun/syndication/io/impl/Atom03Parser.html">View Javadoc</a></div><pre><a name="1" href="#1">1</a> <em class="comment">/*</em><a name="2" href="#2">2</a> <em class="comment"> * Copyright 2004 Sun Microsystems, Inc.</em><a name="3" href="#3">3</a> <em class="comment"> *</em><a name="4" href="#4">4</a> <em class="comment"> * Licensed under the Apache License, Version 2.0 (the "License");</em><a name="5" href="#5">5</a> <em class="comment"> * you may not use this file except in compliance with the License.</em><a name="6" href="#6">6</a> <em class="comment"> * You may obtain a copy of the License at</em><a name="7" href="#7">7</a> <em class="comment"> *</em><a name="8" href="#8">8</a> <em class="comment"> * <a href="http://www.apache.org/licenses/LICENSE-2.0" target="alexandria_uri">http://www.apache.org/licenses/LICENSE-2.0</a></em><a name="9" href="#9">9</a> <em class="comment"> *</em><a name="10" href="#10">10</a> <em class="comment"> * Unless required by applicable law or agreed to in writing, software</em><a name="11" href="#11">11</a> <em class="comment"> * distributed under the License is distributed on an "AS IS" BASIS,</em><a name="12" href="#12">12</a> <em class="comment"> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</em><a name="13" href="#13">13</a> <em class="comment"> * See the License for the specific language governing permissions and</em><a name="14" href="#14">14</a> <em class="comment"> * limitations under the License.</em><a name="15" href="#15">15</a> <em class="comment"> *</em><a name="16" href="#16">16</a> <em class="comment"> */</em><a name="17" href="#17">17</a> <strong>package</strong> <a href="../../../../../com/sun/syndication/io/impl/package-summary.html">com.sun.syndication.io.impl</a>;<a name="18" href="#18">18</a> <a name="19" href="#19">19</a> <strong>import</strong> com.sun.syndication.feed.WireFeed;<a name="20" href="#20">20</a> <strong>import</strong> <a href="../../../../../com/sun/syndication/feed/atom/package-summary.html">com.sun.syndication.feed.atom</a>.*;<a name="21" href="#21">21</a> <strong>import</strong> com.sun.syndication.io.FeedException;<a name="22" href="#22">22</a> <strong>import</strong> org.jdom.Document;<a name="23" href="#23">23</a> <strong>import</strong> org.jdom.Element;<a name="24" href="#24">24</a> <strong>import</strong> org.jdom.Namespace;<a name="25" href="#25">25</a> <strong>import</strong> org.jdom.output.XMLOutputter;<a name="26" href="#26">26</a> <a name="27" href="#27">27</a> <strong>import</strong> java.util.*;<a name="28" href="#28">28</a> <a name="29" href="#29">29</a> <em>/**<em>*</em></em><a name="30" href="#30">30</a> <em> */</em><a name="31" href="#31">31</a> <strong>public</strong> <strong>class</strong> Atom03Parser <strong>extends</strong> <a href="../../../../../com/sun/syndication/io/impl/BaseWireFeedParser.html">BaseWireFeedParser</a> {<a name="32" href="#32">32</a> <strong>private</strong> <strong>static</strong> <strong>final</strong> String ATOM_03_URI = <span class="string">"http://purl.org/atom/ns#"</span>;<a name="33" href="#33">33</a> <a name="34" href="#34">34</a> <strong>public</strong> Atom03Parser() {<a name="35" href="#35">35</a> <strong>this</strong>(<span class="string">"atom_0.3"</span>);<a name="36" href="#36">36</a> }<a name="37" href="#37">37</a> <a name="38" href="#38">38</a> <strong>protected</strong> Atom03Parser(String type) {<a name="39" href="#39">39</a> <strong>super</strong>(type);<a name="40" href="#40">40</a> }<a name="41" href="#41">41</a> <a name="42" href="#42">42</a> <strong>protected</strong> Namespace getAtomNamespace() {<a name="43" href="#43">43</a> <strong>return</strong> Namespace.getNamespace(ATOM_03_URI);<a name="44" href="#44">44</a> }<a name="45" href="#45">45</a> <a name="46" href="#46">46</a> <strong>public</strong> <strong>boolean</strong> isMyType(Document document) {<a name="47" href="#47">47</a> Element rssRoot = document.getRootElement();<a name="48" href="#48">48</a> Namespace defaultNS = rssRoot.getNamespace();<a name="49" href="#49">49</a> <strong>return</strong> (defaultNS!=<strong>null</strong>) && defaultNS.equals(getAtomNamespace());<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="../../../../../com/sun/syndication/feed/WireFeed.html">WireFeed</a> parse(Document document, <strong>boolean</strong> validate) throws IllegalArgumentException,FeedException {<a name="53" href="#53">53</a> <strong>if</strong> (validate) {<a name="54" href="#54">54</a> validateFeed(document);<a name="55" href="#55">55</a> }<a name="56" href="#56">56</a> Element rssRoot = document.getRootElement();<a name="57" href="#57">57</a> <strong>return</strong> parseFeed(rssRoot);<a name="58" href="#58">58</a> }<a name="59" href="#59">59</a> <a name="60" href="#60">60</a> <strong>protected</strong> <strong>void</strong> validateFeed(Document document) throws FeedException {<a name="61" href="#61">61</a> <em class="comment">// TBD</em><a name="62" href="#62">62</a> <em class="comment">// here we have to validate the Feed against a schema or whatever</em><a name="63" href="#63">63</a> <em class="comment">// not sure how to do it</em><a name="64" href="#64">64</a> <em class="comment">// one posibility would be to produce an ouput and attempt to parse it again</em><a name="65" href="#65">65</a> <em class="comment">// with validation turned on.</em><a name="66" href="#66">66</a> <em class="comment">// otherwise will have to check the document elements by hand.</em><a name="67" href="#67">67</a> }<a name="68" href="#68">68</a> <a name="69" href="#69">69</a> <strong>protected</strong> <a href="../../../../../com/sun/syndication/feed/WireFeed.html">WireFeed</a> parseFeed(Element eFeed) {<a name="70" href="#70">70</a> <a name="71" href="#71">71</a> com.sun.syndication.feed.atom.Feed feed = <strong>new</strong> com.sun.syndication.feed.atom.Feed(getType());<a name="72" href="#72">72</a> <a name="73" href="#73">73</a> Element e = eFeed.getChild(<span class="string">"title"</span>,getAtomNamespace());<a name="74" href="#74">74</a> <strong>if</strong> (e!=<strong>null</strong>) {<a name="75" href="#75">75</a> feed.setTitle(e.getText());<a name="76" href="#76">76</a> }<a name="77" href="#77">77</a> <a name="78" href="#78">78</a> List eList = eFeed.getChildren(<span class="string">"link"</span>,getAtomNamespace());<a name="79" href="#79">79</a> feed.setAlternateLinks(parseAlternateLinks(eList));<a name="80" href="#80">80</a> feed.setOtherLinks(parseOtherLinks(eList));<a name="81" href="#81">81</a> <a name="82" href="#82">82</a> e = eFeed.getChild(<span class="string">"author"</span>,getAtomNamespace());<a name="83" href="#83">83</a> <strong>if</strong> (e!=<strong>null</strong>) {<a name="84" href="#84">84</a> List authors = <strong>new</strong> ArrayList();<a name="85" href="#85">85</a> authors.add(parsePerson(e));<a name="86" href="#86">86</a> feed.setAuthors(authors);<a name="87" href="#87">87</a> }<a name="88" href="#88">88</a> <a name="89" href="#89">89</a> eList = eFeed.getChildren(<span class="string">"contributor"</span>,getAtomNamespace());<a name="90" href="#90">90</a> <strong>if</strong> (eList.size()>0) {<a name="91" href="#91">91</a> feed.setContributors(parsePersons(eList));<a name="92" href="#92">92</a> }<a name="93" href="#93">93</a> <a name="94" href="#94">94</a> e = eFeed.getChild(<span class="string">"tagline"</span>,getAtomNamespace());<a name="95" href="#95">95</a> <strong>if</strong> (e!=<strong>null</strong>) {<a name="96" href="#96">96</a> feed.setTagline(parseContent(e));<a name="97" href="#97">97</a> }<a name="98" href="#98">98</a> <a name="99" href="#99">99</a> e = eFeed.getChild(<span class="string">"id"</span>,getAtomNamespace());<a name="100" href="#100">100</a> <strong>if</strong> (e!=<strong>null</strong>) {<a name="101" href="#101">101</a> feed.setId(e.getText());<a name="102" href="#102">102</a> }<a name="103" href="#103">103</a> <a name="104" href="#104">104</a> e = eFeed.getChild(<span class="string">"generator"</span>,getAtomNamespace());<a name="105" href="#105">105</a> <strong>if</strong> (e!=<strong>null</strong>) {<a name="106" href="#106">106</a> <a href="../../../../../com/sun/syndication/feed/atom/Generator.html">Generator</a> gen = <strong>new</strong> <a href="../../../../../com/sun/syndication/feed/atom/Generator.html">Generator</a>();<a name="107" href="#107">107</a> gen.setValue(e.getText());<a name="108" href="#108">108</a> String att = e.getAttributeValue(<span class="string">"url"</span>);<em class="comment">//getAtomNamespace()); DONT KNOW WHY DOESN'T WORK</em><a name="109" href="#109">109</a> <strong>if</strong> (att!=<strong>null</strong>) {<a name="110" href="#110">110</a> gen.setUrl(att);<a name="111" href="#111">111</a> }<a name="112" href="#112">112</a> att = e.getAttributeValue(<span class="string">"version"</span>);<em class="comment">//getAtomNamespace()); DONT KNOW WHY DOESN'T WORK</em><a name="113" href="#113">113</a> <strong>if</strong> (att!=<strong>null</strong>) {<a name="114" href="#114">114</a> gen.setVersion(att);<a name="115" href="#115">115</a> }<a name="116" href="#116">116</a> feed.setGenerator(gen);<a name="117" href="#117">117</a> }<a name="118" href="#118">118</a> <a name="119" href="#119">119</a> e = eFeed.getChild(<span class="string">"copyright"</span>,getAtomNamespace());<a name="120" href="#120">120</a> <strong>if</strong> (e!=<strong>null</strong>) {<a name="121" href="#121">121</a> feed.setCopyright(e.getText());<a name="122" href="#122">122</a> }<a name="123" href="#123">123</a> <a name="124" href="#124">124</a> e = eFeed.getChild(<span class="string">"info"</span>,getAtomNamespace());<a name="125" href="#125">125</a> <strong>if</strong> (e!=<strong>null</strong>) {<a name="126" href="#126">126</a> feed.setInfo(parseContent(e));<a name="127" href="#127">127</a> }<a name="128" href="#128">128</a> <a name="129" href="#129">129</a> e = eFeed.getChild(<span class="string">"modified"</span>,getAtomNamespace());<a name="130" href="#130">130</a> <strong>if</strong> (e!=<strong>null</strong>) {<a name="131" href="#131">131</a> feed.setModified(DateParser.parseDate(e.getText()));<a name="132" href="#132">132</a> }<a name="133" href="#133">133</a> <a name="134" href="#134">134</a> feed.setModules(parseFeedModules(eFeed));<a name="135" href="#135">135</a> <a name="136" href="#136">136</a> eList = eFeed.getChildren(<span class="string">"entry"</span>,getAtomNamespace());<a name="137" href="#137">137</a> <strong>if</strong> (eList.size()>0) {<a name="138" href="#138">138</a> feed.setEntries(parseEntries(eList));<a name="139" href="#139">139</a> }<a name="140" href="#140">140</a> <a name="141" href="#141">141</a> List foreignMarkup = <a name="142" href="#142">142</a> extractForeignMarkup(eFeed, feed, getAtomNamespace());<a name="143" href="#143">143</a> <strong>if</strong> (foreignMarkup.size() > 0) {<a name="144" href="#144">144</a> feed.setForeignMarkup(foreignMarkup);<a name="145" href="#145">145</a> } <a name="146" href="#146">146</a> <strong>return</strong> feed;<a name="147" href="#147">147</a> }<a name="148" href="#148">148</a> <a name="149" href="#149">149</a> <strong>private</strong> <a href="../../../../../com/sun/syndication/feed/atom/Link.html">Link</a> parseLink(Element eLink) {<a name="150" href="#150">150</a> <a href="../../../../../com/sun/syndication/feed/atom/Link.html">Link</a> link = <strong>new</strong> <a href="../../../../../com/sun/syndication/feed/atom/Link.html">Link</a>();<a name="151" href="#151">151</a> String att = eLink.getAttributeValue(<span class="string">"rel"</span>);<em class="comment">//getAtomNamespace()); DONT KNOW WHY DOESN'T WORK</em><a name="152" href="#152">152</a> <strong>if</strong> (att!=<strong>null</strong>) {<a name="153" href="#153">153</a> link.setRel(att);<a name="154" href="#154">154</a> }<a name="155" href="#155">155</a> att = eLink.getAttributeValue(<span class="string">"type"</span>);<em class="comment">//getAtomNamespace()); DONT KNOW WHY DOESN'T WORK</em><a name="156" href="#156">156</a> <strong>if</strong> (att!=<strong>null</strong>) {<a name="157" href="#157">157</a> link.setType(att);<a name="158" href="#158">158</a> }<a name="159" href="#159">159</a> att = eLink.getAttributeValue(<span class="string">"href"</span>);<em class="comment">//getAtomNamespace()); DONT KNOW WHY DOESN'T WORK</em><a name="160" href="#160">160</a> <strong>if</strong> (att!=<strong>null</strong>) {<a name="161" href="#161">161</a> link.setHref(att);<a name="162" href="#162">162</a> }<a name="163" href="#163">163</a> <strong>return</strong> link;<a name="164" href="#164">164</a> }<a name="165" href="#165">165</a> <a name="166" href="#166">166</a> <em class="comment">// List(Elements) -> List(Link)</em><a name="167" href="#167">167</a> <strong>private</strong> List parseLinks(List eLinks,<strong>boolean</strong> alternate) {<a name="168" href="#168">168</a> List links = <strong>new</strong> ArrayList();<a name="169" href="#169">169</a> <strong>for</strong> (<strong>int</strong> i=0;i<eLinks.size();i++) {⌨️ 快捷键说明
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