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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>RSS10Parser xref</title><link type="text/css" rel="stylesheet" href="../../../../../stylesheet.css" /></head><body><div id="overview"><a href="../../../../../../apidocs/com/sun/syndication/io/impl/RSS10Parser.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> com.sun.syndication.feed.rss.Channel;<a name="21" href="#21">21</a> <strong>import</strong> com.sun.syndication.feed.rss.Content;<a name="22" href="#22">22</a> <strong>import</strong> com.sun.syndication.feed.rss.Description;<a name="23" href="#23">23</a> <strong>import</strong> com.sun.syndication.feed.rss.Item;<a name="24" href="#24">24</a> <strong>import</strong> org.jdom.Document;<a name="25" href="#25">25</a> <strong>import</strong> org.jdom.Element;<a name="26" href="#26">26</a> <strong>import</strong> org.jdom.Namespace;<a name="27" href="#27">27</a> <a name="28" href="#28">28</a> <strong>import</strong> java.util.List;<a name="29" href="#29">29</a> <a name="30" href="#30">30</a> <em>/**<em>*</em></em><a name="31" href="#31">31</a> <em> */</em><a name="32" href="#32">32</a> <strong>public</strong> <strong>class</strong> RSS10Parser <strong>extends</strong> RSS090Parser {<a name="33" href="#33">33</a> <a name="34" href="#34">34</a> <strong>private</strong> <strong>static</strong> <strong>final</strong> String RSS_URI = <span class="string">"http://purl.org/rss/1.0/"</span>;<a name="35" href="#35">35</a> <a name="36" href="#36">36</a> <strong>public</strong> RSS10Parser() {<a name="37" href="#37">37</a> <strong>this</strong>(<span class="string">"rss_1.0"</span>);<a name="38" href="#38">38</a> }<a name="39" href="#39">39</a> <a name="40" href="#40">40</a> <strong>protected</strong> RSS10Parser(String type) {<a name="41" href="#41">41</a> <strong>super</strong>(type);<a name="42" href="#42">42</a> }<a name="43" href="#43">43</a> <a name="44" href="#44">44</a> <em>/**<em>*</em></em><a name="45" href="#45">45</a> <em> * Indicates if a JDom document is an RSS instance that can be parsed with the parser.</em><a name="46" href="#46">46</a> <em> * <p/></em><a name="47" href="#47">47</a> <em> * It checks for RDF ("<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>#") and</em><a name="48" href="#48">48</a> <em> * RSS ("<a href="http://purl.org/rss/1.0/" target="alexandria_uri">http://purl.org/rss/1.0/</a>") namespaces being defined in the root element.</em><a name="49" href="#49">49</a> <em> *</em><a name="50" href="#50">50</a> <em> * @param document document to check if it can be parsed with this parser implementation.</em><a name="51" href="#51">51</a> <em> * @return <b>true</b> if the document is RSS1., <b>false</b> otherwise.</em><a name="52" href="#52">52</a> <em> */</em><a name="53" href="#53">53</a> <strong>public</strong> <strong>boolean</strong> isMyType(Document document) {<a name="54" href="#54">54</a> <strong>boolean</strong> ok = false;<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> Namespace defaultNS = rssRoot.getNamespace();<a name="58" href="#58">58</a> List additionalNSs = rssRoot.getAdditionalNamespaces();<a name="59" href="#59">59</a> <a name="60" href="#60">60</a> ok = defaultNS!=<strong>null</strong> && defaultNS.equals(getRDFNamespace());<a name="61" href="#61">61</a> <strong>if</strong> (ok) {<a name="62" href="#62">62</a> <strong>if</strong> (additionalNSs==<strong>null</strong>) {<a name="63" href="#63">63</a> ok = false;<a name="64" href="#64">64</a> }<a name="65" href="#65">65</a> <strong>else</strong> {<a name="66" href="#66">66</a> ok = false;<a name="67" href="#67">67</a> <strong>for</strong> (<strong>int</strong> i=0;!ok && i<additionalNSs.size();i++) {<a name="68" href="#68">68</a> ok = getRSSNamespace().equals(additionalNSs.get(i));<a name="69" href="#69">69</a> }<a name="70" href="#70">70</a> }<a name="71" href="#71">71</a> }<a name="72" href="#72">72</a> <strong>return</strong> ok;<a name="73" href="#73">73</a> }<a name="74" href="#74">74</a> <a name="75" href="#75">75</a> <em>/**<em>*</em></em><a name="76" href="#76">76</a> <em> * Returns the namespace used by RSS elements in document of the RSS 1.0</em><a name="77" href="#77">77</a> <em> * <P></em><a name="78" href="#78">78</a> <em> *</em><a name="79" href="#79">79</a> <em> * @return returns "<a href="http://purl.org/rss/1.0/" target="alexandria_uri">http://purl.org/rss/1.0/</a>".</em><a name="80" href="#80">80</a> <em> */</em><a name="81" href="#81">81</a> <strong>protected</strong> Namespace getRSSNamespace() {<a name="82" href="#82">82</a> <strong>return</strong> Namespace.getNamespace(RSS_URI);<a name="83" href="#83">83</a> }<a name="84" href="#84">84</a> <a name="85" href="#85">85</a> <em>/**<em>*</em></em><a name="86" href="#86">86</a> <em> * Parses an item element of an RSS document looking for item information.</em><a name="87" href="#87">87</a> <em> * <p/></em><a name="88" href="#88">88</a> <em> * It first invokes super.parseItem and then parses and injects the description property if present.</em><a name="89" href="#89">89</a> <em> * <p/></em><a name="90" href="#90">90</a> <em> *</em><a name="91" href="#91">91</a> <em> * @param rssRoot the root element of the RSS document in case it's needed for context.</em><a name="92" href="#92">92</a> <em> * @param eItem the item element to parse.</em><a name="93" href="#93">93</a> <em> * @return the parsed RSSItem bean.</em><a name="94" href="#94">94</a> <em> */</em><a name="95" href="#95">95</a> <strong>protected</strong> <a href="../../../../../com/sun/syndication/feed/rss/Item.html">Item</a> parseItem(Element rssRoot,Element eItem) {<a name="96" href="#96">96</a> <a href="../../../../../com/sun/syndication/feed/rss/Item.html">Item</a> item = <strong>super</strong>.parseItem(rssRoot,eItem);<a name="97" href="#97">97</a> Element e = eItem.getChild(<span class="string">"description"</span>, getRSSNamespace());<a name="98" href="#98">98</a> <strong>if</strong> (e!=<strong>null</strong>) {<a name="99" href="#99">99</a> item.setDescription(parseItemDescription(rssRoot,e));<a name="100" href="#100">100</a> }<a name="101" href="#101">101</a> Element ce = eItem.getChild(<span class="string">"encoded"</span>, getContentNamespace());<a name="102" href="#102">102</a> <strong>if</strong> (ce != <strong>null</strong>) {<a name="103" href="#103">103</a> <a href="../../../../../com/sun/syndication/feed/rss/Content.html">Content</a> content = <strong>new</strong> <a href="../../../../../com/sun/syndication/feed/rss/Content.html">Content</a>();<a name="104" href="#104">104</a> content.setType(Content.HTML);<a name="105" href="#105">105</a> content.setValue(ce.getText());<a name="106" href="#106">106</a> item.setContent(content);<a name="107" href="#107">107</a> }<a name="108" href="#108">108</a> <a name="109" href="#109">109</a> String uri = eItem.getAttributeValue(<span class="string">"about"</span>, getRDFNamespace());<a name="110" href="#110">110</a> <strong>if</strong> (uri != <strong>null</strong>) {<a name="111" href="#111">111</a> item.setUri(uri);<a name="112" href="#112">112</a> }<a name="113" href="#113">113</a> <a name="114" href="#114">114</a> <strong>return</strong> item;<a name="115" href="#115">115</a> }<a name="116" href="#116">116</a> <a name="117" href="#117">117</a> <strong>protected</strong> <a href="../../../../../com/sun/syndication/feed/WireFeed.html">WireFeed</a> parseChannel(Element rssRoot) {<a name="118" href="#118">118</a> <a href="../../../../../com/sun/syndication/feed/rss/Channel.html">Channel</a> channel = (Channel) <strong>super</strong>.parseChannel(rssRoot);<a name="119" href="#119">119</a> <a name="120" href="#120">120</a> Element eChannel = rssRoot.getChild(<span class="string">"channel"</span>, getRSSNamespace());<a name="121" href="#121">121</a> String uri = eChannel.getAttributeValue(<span class="string">"about"</span>, getRDFNamespace());<a name="122" href="#122">122</a> <strong>if</strong> (uri != <strong>null</strong>) {<a name="123" href="#123">123</a> channel.setUri(uri);<a name="124" href="#124">124</a> }<a name="125" href="#125">125</a> <a name="126" href="#126">126</a> <strong>return</strong> channel;<a name="127" href="#127">127</a> }<a name="128" href="#128">128</a> <a name="129" href="#129">129</a> <strong>protected</strong> <a href="../../../../../com/sun/syndication/feed/rss/Description.html">Description</a> parseItemDescription(Element rssRoot,Element eDesc) {<a name="130" href="#130">130</a> <a href="../../../../../com/sun/syndication/feed/rss/Description.html">Description</a> desc = <strong>new</strong> <a href="../../../../../com/sun/syndication/feed/rss/Description.html">Description</a>();<a name="131" href="#131">131</a> desc.setType(<span class="string">"text/plain"</span>);<a name="132" href="#132">132</a> desc.setValue(eDesc.getText());<a name="133" href="#133">133</a> <strong>return</strong> desc;<a name="134" href="#134">134</a> }<a name="135" href="#135">135</a> <a name="136" href="#136">136</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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