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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>SyndFeedImpl xref</title><link type="text/css" rel="stylesheet" href="../../../../../stylesheet.css" /></head><body><div id="overview"><a href="../../../../../../apidocs/com/sun/syndication/feed/synd/SyndFeedImpl.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/feed/synd/package-summary.html">com.sun.syndication.feed.synd</a>;<a name="18" href="#18">18</a> <a name="19" href="#19">19</a> <strong>import</strong> com.sun.syndication.feed.impl.ObjectBean;<a name="20" href="#20">20</a> <strong>import</strong> com.sun.syndication.feed.impl.CopyFromHelper;<a name="21" href="#21">21</a> <strong>import</strong> com.sun.syndication.feed.WireFeed;<a name="22" href="#22">22</a> <strong>import</strong> <a href="../../../../../com/sun/syndication/feed/module/package-summary.html">com.sun.syndication.feed.module</a>.*;<a name="23" href="#23">23</a> <strong>import</strong> com.sun.syndication.feed.module.impl.ModuleUtils;<a name="24" href="#24">24</a> <strong>import</strong> com.sun.syndication.feed.synd.impl.Converters;<a name="25" href="#25">25</a> <strong>import</strong> com.sun.syndication.feed.synd.impl.URINormalizer;<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> <strong>import</strong> java.io.Serializable;<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> * Bean for all types of feeds.</em><a name="32" href="#32">32</a> <em> * <p></em><a name="33" href="#33">33</a> <em> * It handles all RSS versions and Atom 0.3, it normalizes all info, it may lose information.</em><a name="34" href="#34">34</a> <em> * <p></em><a name="35" href="#35">35</a> <em> * @author Alejandro Abdelnur</em><a name="36" href="#36">36</a> <em> *</em><a name="37" href="#37">37</a> <em> */</em><a name="38" href="#38">38</a> <strong>public</strong> <strong>class</strong> <a href="../../../../../com/sun/syndication/feed/synd/SyndFeedImpl.html">SyndFeedImpl</a> implements Serializable, <a href="../../../../../com/sun/syndication/feed/synd/SyndFeed.html">SyndFeed</a> {<a name="39" href="#39">39</a> <a name="40" href="#40">40</a> <strong>private</strong> <a href="../../../../../com/sun/syndication/feed/impl/ObjectBean.html">ObjectBean</a> _objBean;<a name="41" href="#41">41</a> <a name="42" href="#42">42</a> <strong>private</strong> String _encoding;<a name="43" href="#43">43</a> <strong>private</strong> String _uri;<a name="44" href="#44">44</a> <strong>private</strong> <a href="../../../../../com/sun/syndication/feed/synd/SyndContent.html">SyndContent</a> _title;<a name="45" href="#45">45</a> <strong>private</strong> <a href="../../../../../com/sun/syndication/feed/synd/SyndContent.html">SyndContent</a> _description;<a name="46" href="#46">46</a> <strong>private</strong> String _feedType;<a name="47" href="#47">47</a> <strong>private</strong> String _link;<a name="48" href="#48">48</a> <strong>private</strong> List _links;<a name="49" href="#49">49</a> <strong>private</strong> <a href="../../../../../com/sun/syndication/feed/synd/SyndImage.html">SyndImage</a> _image;<a name="50" href="#50">50</a> <strong>private</strong> List _entries;<a name="51" href="#51">51</a> <strong>private</strong> List _modules;<a name="52" href="#52">52</a> <strong>private</strong> List _authors;<a name="53" href="#53">53</a> <strong>private</strong> List _contributors;<a name="54" href="#54">54</a> <strong>private</strong> List _foreignMarkup;<a name="55" href="#55">55</a> <a name="56" href="#56">56</a> <strong>private</strong> <strong>static</strong> <strong>final</strong> <a href="../../../../../com/sun/syndication/feed/synd/impl/Converters.html">Converters</a> CONVERTERS = <strong>new</strong> <a href="../../../../../com/sun/syndication/feed/synd/impl/Converters.html">Converters</a>();<a name="57" href="#57">57</a> <a name="58" href="#58">58</a> <strong>private</strong> <strong>static</strong> <strong>final</strong> Set IGNORE_PROPERTIES = <strong>new</strong> HashSet();<a name="59" href="#59">59</a> <a name="60" href="#60">60</a> <em>/**<em>*</em></em><a name="61" href="#61">61</a> <em> * Unmodifiable Set containing the convenience properties of this class.</em><a name="62" href="#62">62</a> <em> * <p></em><a name="63" href="#63">63</a> <em> * Convenience properties are mapped to Modules, for cloning the convenience properties</em><a name="64" href="#64">64</a> <em> * can be ignored as the will be copied as part of the module cloning.</em><a name="65" href="#65">65</a> <em> */</em><a name="66" href="#66">66</a> <a name="67" href="#67">67</a> <strong>public</strong> <strong>static</strong> <strong>final</strong> Set CONVENIENCE_PROPERTIES = Collections.unmodifiableSet(IGNORE_PROPERTIES);<a name="68" href="#68">68</a> <a name="69" href="#69">69</a> <strong>static</strong> {<a name="70" href="#70">70</a> IGNORE_PROPERTIES.add(<span class="string">"publishedDate"</span>);<a name="71" href="#71">71</a> IGNORE_PROPERTIES.add(<span class="string">"author"</span>);<a name="72" href="#72">72</a> IGNORE_PROPERTIES.add(<span class="string">"copyright"</span>);<a name="73" href="#73">73</a> IGNORE_PROPERTIES.add(<span class="string">"categories"</span>);<a name="74" href="#74">74</a> IGNORE_PROPERTIES.add(<span class="string">"language"</span>);<a name="75" href="#75">75</a> }<a name="76" href="#76">76</a> <a name="77" href="#77">77</a> <em>/**<em>*</em></em><a name="78" href="#78">78</a> <em> * Returns the real feed types the SyndFeedImpl supports when converting from and to.</em><a name="79" href="#79">79</a> <em> * <p></em><a name="80" href="#80">80</a> <em> * @return the real feed type supported.</em><a name="81" href="#81">81</a> <em> */</em><a name="82" href="#82">82</a> <strong>public</strong> List getSupportedFeedTypes() {<a name="83" href="#83">83</a> <strong>return</strong> CONVERTERS.getSupportedFeedTypes();<a name="84" href="#84">84</a> }<a name="85" href="#85">85</a> <a name="86" href="#86">86</a> <em>/**<em>*</em></em><a name="87" href="#87">87</a> <em> * For implementations extending SyndFeedImpl to be able to use the ObjectBean functionality</em><a name="88" href="#88">88</a> <em> * with extended interfaces.</em><a name="89" href="#89">89</a> <em> * <p></em><a name="90" href="#90">90</a> <em> * @param beanClass</em><a name="91" href="#91">91</a> <em> * @param convenienceProperties set containing the convenience properties of the SyndEntryImpl</em><a name="92" href="#92">92</a> <em> * (the are ignored during cloning, check CloneableBean for details).</em><a name="93" href="#93">93</a> <em> *</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/synd/SyndFeedImpl.html">SyndFeedImpl</a>(Class beanClass,Set convenienceProperties) {<a name="96" href="#96">96</a> _objBean = <strong>new</strong> <a href="../../../../../com/sun/syndication/feed/impl/ObjectBean.html">ObjectBean</a>(beanClass,<strong>this</strong>,convenienceProperties);<a name="97" href="#97">97</a> }<a name="98" href="#98">98</a> <a name="99" href="#99">99</a> <em>/**<em>*</em></em><a name="100" href="#100">100</a> <em> * Default constructor. All properties are set to <b>null</b>.</em><a name="101" href="#101">101</a> <em> * <p></em><a name="102" href="#102">102</a> <em> *</em><a name="103" href="#103">103</a> <em> */</em><a name="104" href="#104">104</a> <strong>public</strong> <a href="../../../../../com/sun/syndication/feed/synd/SyndFeedImpl.html">SyndFeedImpl</a>() {<a name="105" href="#105">105</a> <strong>this</strong>(<strong>null</strong>);<a name="106" href="#106">106</a> }<a name="107" href="#107">107</a> <a name="108" href="#108">108</a> <em>/**<em>*</em></em><a name="109" href="#109">109</a> <em> * Creates a SyndFeedImpl and populates all its properties out of the</em><a name="110" href="#110">110</a> <em> * given RSS Channel or Atom Feed properties.</em><a name="111" href="#111">111</a> <em> * <p></em><a name="112" href="#112">112</a> <em> * @param feed the RSS Channel or the Atom Feed to populate the properties from.</em><a name="113" href="#113">113</a> <em> *</em><a name="114" href="#114">114</a> <em> */</em><a name="115" href="#115">115</a> <strong>public</strong> <a href="../../../../../com/sun/syndication/feed/synd/SyndFeedImpl.html">SyndFeedImpl</a>(<a href="../../../../../com/sun/syndication/feed/WireFeed.html">WireFeed</a> feed) {<a name="116" href="#116">116</a> <strong>this</strong>(SyndFeed.<strong>class</strong>,IGNORE_PROPERTIES);<a name="117" href="#117">117</a> <strong>if</strong> (feed!=<strong>null</strong>) {<a name="118" href="#118">118</a> _feedType = feed.getFeedType();<a name="119" href="#119">119</a> <a href="../../../../../com/sun/syndication/feed/synd/Converter.html">Converter</a> converter = CONVERTERS.getConverter(_feedType);<a name="120" href="#120">120</a> <strong>if</strong> (converter==<strong>null</strong>) {<a name="121" href="#121">121</a> <strong>throw</strong> <strong>new</strong> IllegalArgumentException(<span class="string">"Invalid feed type ["</span>+_feedType+<span class="string">"]"</span>);<a name="122" href="#122">122</a> }<a name="123" href="#123">123</a> converter.copyInto(feed,<strong>this</strong>);<a name="124" href="#124">124</a> }<a name="125" href="#125">125</a> }<a name="126" href="#126">126</a> <a name="127" href="#127">127</a> <em>/**<em>*</em></em><a name="128" href="#128">128</a> <em> * Creates a deep 'bean' clone of the object.</em><a name="129" href="#129">129</a> <em> * <p></em><a name="130" href="#130">130</a> <em> * @return a clone of the object.</em><a name="131" href="#131">131</a> <em> * @throws CloneNotSupportedException thrown if an element of the object cannot be cloned.</em><a name="132" href="#132">132</a> <em> *</em><a name="133" href="#133">133</a> <em> */</em><a name="134" href="#134">134</a> <strong>public</strong> Object clone() throws CloneNotSupportedException {<a name="135" href="#135">135</a> <strong>return</strong> _objBean.clone();<a name="136" href="#136">136</a> }<a name="137" href="#137">137</a> <a name="138" href="#138">138</a> <em>/**<em>*</em></em><a name="139" href="#139">139</a> <em> * Indicates whether some other object is "equal to" this one as defined by the Object equals() method.</em><a name="140" href="#140">140</a> <em> * <p></em><a name="141" href="#141">141</a> <em> * @param other he reference object with which to compare.</em><a name="142" href="#142">142</a> <em> * @return <b>true</b> if 'this' object is equal to the 'other' object.</em><a name="143" href="#143">143</a> <em> *</em><a name="144" href="#144">144</a> <em> */</em><a name="145" href="#145">145</a> <strong>public</strong> <strong>boolean</strong> equals(Object other) {<a name="146" href="#146">146</a> <strong>if</strong> (other == <strong>null</strong>) {<a name="147" href="#147">147</a> <strong>return</strong> false;<a name="148" href="#148">148</a> }<a name="149" href="#149">149</a> <em class="comment">// can't use foreign markup in equals, due to JDOM equals impl</em><a name="150" href="#150">150</a> Object fm = getForeignMarkup();<a name="151" href="#151">151</a> setForeignMarkup(((SyndFeedImpl)other).getForeignMarkup()); <a name="152" href="#152">152</a> <strong>boolean</strong> ret = _objBean.equals(other);<a name="153" href="#153">153</a> <em class="comment">// restore foreign markup</em><a name="154" href="#154">154</a> setForeignMarkup(fm);<a name="155" href="#155">155</a> <strong>return</strong> ret;<a name="156" href="#156">156</a> }<a name="157" href="#157">157</a> <a name="158" href="#158">158</a> <em>/**<em>*</em></em><a name="159" href="#159">159</a> <em> * Returns a hashcode value for the object.</em><a name="160" href="#160">160</a> <em> * <p></em><a name="161" href="#161">161</a> <em> * It follows the contract defined by the Object hashCode() method.</em><a name="162" href="#162">162</a> <em> * <p></em><a name="163" href="#163">163</a> <em> * @return the hashcode of the bean object.</em><a name="164" href="#164">164</a> <em> *</em><a name="165" href="#165">165</a> <em> */</em><a name="166" href="#166">166</a> <strong>public</strong> <strong>int</strong> hashCode() {<a name="167" href="#167">167</a> <strong>return</strong> _objBean.hashCode();<a name="168" href="#168">168</a> }<a name="169" href="#169">169</a> <a name="170" href="#170">170</a> <em>/**<em>*</em></em><a name="171" href="#171">171</a> <em> * Returns the String representation for the object.</em><a name="172" href="#172">172</a> <em> * <p></em><a name="173" href="#173">173</a> <em> * @return String representation for the object.</em><a name="174" href="#174">174</a> <em> *</em><a name="175" href="#175">175</a> <em> */</em><a name="176" href="#176">176</a> <strong>public</strong> String toString() {<a name="177" href="#177">177</a> <strong>return</strong> _objBean.toString();<a name="178" href="#178">178</a> }⌨️ 快捷键说明
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