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authorLeif Johansson <leifj@klapautius.mnt.se>2009-07-28 10:34:52 +0200
committerLeif Johansson <leifj@klapautius.mnt.se>2009-07-28 10:34:52 +0200
commit0a90384a9c7d840e88d9636271e8393a514647a0 (patch)
tree007540e79ec2a2e0e81bd0bd21e6eef9fc8bb205 /doc/src-xref/edu/internet2/middleware/shibboleth/wayf/WayfService.html
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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_US" lang="en_US">
+<head>
+<meta http-equiv="content-type" content="text/html; charset=ISO-8859-1" />
+<title>WayfService xref</title>
+<link type="text/css" rel="stylesheet" href="../../../../../stylesheet.css" />
+</head>
+<body>
+<div id="overview"><a href="../../../../../../apidocs/edu/internet2/middleware/shibboleth/wayf/WayfService.html">View Javadoc</a></div><pre>
+
+<a name="1" href="#1">1</a> <em class="jxr_comment">/*</em>
+<a name="2" href="#2">2</a> <em class="jxr_comment"> * Copyright [2005] [University Corporation for Advanced Internet Development, Inc.]</em>
+<a name="3" href="#3">3</a> <em class="jxr_comment"> *</em>
+<a name="4" href="#4">4</a> <em class="jxr_comment"> * Licensed under the Apache License, Version 2.0 (the "License");</em>
+<a name="5" href="#5">5</a> <em class="jxr_comment"> * you may not use this file except in compliance with the License.</em>
+<a name="6" href="#6">6</a> <em class="jxr_comment"> * You may obtain a copy of the License at</em>
+<a name="7" href="#7">7</a> <em class="jxr_comment"> *</em>
+<a name="8" href="#8">8</a> <em class="jxr_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="jxr_comment"> *</em>
+<a name="10" href="#10">10</a> <em class="jxr_comment"> * Unless required by applicable law or agreed to in writing, software</em>
+<a name="11" href="#11">11</a> <em class="jxr_comment"> * distributed under the License is distributed on an "AS IS" BASIS,</em>
+<a name="12" href="#12">12</a> <em class="jxr_comment"> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</em>
+<a name="13" href="#13">13</a> <em class="jxr_comment"> * See the License for the specific language governing permissions and</em>
+<a name="14" href="#14">14</a> <em class="jxr_comment"> * limitations under the License.</em>
+<a name="15" href="#15">15</a> <em class="jxr_comment"> */</em>
+<a name="16" href="#16">16</a>
+<a name="17" href="#17">17</a> <strong class="jxr_keyword">package</strong> edu.internet2.middleware.shibboleth.wayf;
+<a name="18" href="#18">18</a>
+<a name="19" href="#19">19</a> <strong class="jxr_keyword">import</strong> java.io.FileInputStream;
+<a name="20" href="#20">20</a> <strong class="jxr_keyword">import</strong> java.io.FileNotFoundException;
+<a name="21" href="#21">21</a> <strong class="jxr_keyword">import</strong> java.lang.reflect.Constructor;
+<a name="22" href="#22">22</a> <strong class="jxr_keyword">import</strong> java.util.ArrayList;
+<a name="23" href="#23">23</a> <strong class="jxr_keyword">import</strong> java.util.Hashtable;
+<a name="24" href="#24">24</a> <strong class="jxr_keyword">import</strong> java.util.Iterator;
+<a name="25" href="#25">25</a> <strong class="jxr_keyword">import</strong> java.util.List;
+<a name="26" href="#26">26</a>
+<a name="27" href="#27">27</a> <strong class="jxr_keyword">import</strong> javax.servlet.GenericServlet;
+<a name="28" href="#28">28</a> <strong class="jxr_keyword">import</strong> javax.servlet.ServletException;
+<a name="29" href="#29">29</a> <strong class="jxr_keyword">import</strong> javax.servlet.http.HttpServlet;
+<a name="30" href="#30">30</a> <strong class="jxr_keyword">import</strong> javax.servlet.http.HttpServletRequest;
+<a name="31" href="#31">31</a> <strong class="jxr_keyword">import</strong> javax.servlet.http.HttpServletResponse;
+<a name="32" href="#32">32</a> <strong class="jxr_keyword">import</strong> javax.xml.namespace.QName;
+<a name="33" href="#33">33</a>
+<a name="34" href="#34">34</a> <strong class="jxr_keyword">import</strong> org.opensaml.DefaultBootstrap;
+<a name="35" href="#35">35</a> <strong class="jxr_keyword">import</strong> org.opensaml.xml.Configuration;
+<a name="36" href="#36">36</a> <strong class="jxr_keyword">import</strong> org.opensaml.xml.parse.BasicParserPool;
+<a name="37" href="#37">37</a> <strong class="jxr_keyword">import</strong> org.opensaml.xml.util.DatatypeHelper;
+<a name="38" href="#38">38</a> <strong class="jxr_keyword">import</strong> org.slf4j.Logger;
+<a name="39" href="#39">39</a> <strong class="jxr_keyword">import</strong> org.slf4j.LoggerFactory;
+<a name="40" href="#40">40</a> <strong class="jxr_keyword">import</strong> org.w3c.dom.Document;
+<a name="41" href="#41">41</a> <strong class="jxr_keyword">import</strong> org.w3c.dom.Element;
+<a name="42" href="#42">42</a> <strong class="jxr_keyword">import</strong> org.w3c.dom.NodeList;
+<a name="43" href="#43">43</a>
+<a name="44" href="#44">44</a> <strong class="jxr_keyword">import</strong> edu.internet2.middleware.shibboleth.common.ShibbolethConfigurationException;
+<a name="45" href="#45">45</a> <strong class="jxr_keyword">import</strong> edu.internet2.middleware.shibboleth.wayf.plugins.Plugin;
+<a name="46" href="#46">46</a>
+<a name="47" href="#47">47</a> <em class="jxr_javadoccomment">/**</em>
+<a name="48" href="#48">48</a> <em class="jxr_javadoccomment"> * A servlet implementation of the Shibboleth WAYF service. Allows a browser</em>
+<a name="49" href="#49">49</a> <em class="jxr_javadoccomment"> * user to select from among a group of origin sites. User selection is</em>
+<a name="50" href="#50">50</a> <em class="jxr_javadoccomment"> * optionally cached and the user is forwarded to the HandleService appropriate</em>
+<a name="51" href="#51">51</a> <em class="jxr_javadoccomment"> * to his selection.</em>
+<a name="52" href="#52">52</a> <em class="jxr_javadoccomment"> */</em>
+<a name="53" href="#53">53</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../../edu/internet2/middleware/shibboleth/wayf/WayfService.html">WayfService</a> <strong class="jxr_keyword">extends</strong> HttpServlet {
+<a name="54" href="#54">54</a>
+<a name="55" href="#55">55</a> <em class="jxr_javadoccomment">/**</em><em class="jxr_javadoccomment"> Required constant for serializaton. */</em>
+<a name="56" href="#56">56</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">long</strong> serialVersionUID = 5244503011625804940L;
+<a name="57" href="#57">57</a>
+<a name="58" href="#58">58</a> <em class="jxr_javadoccomment">/**</em><em class="jxr_javadoccomment"> Handle for outputting error and other messages. */</em>
+<a name="59" href="#59">59</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> Logger LOG = LoggerFactory.getLogger(WayfService.<strong class="jxr_keyword">class</strong>.getName());
+<a name="60" href="#60">60</a>
+<a name="61" href="#61">61</a> <em class="jxr_javadoccomment">/**</em><em class="jxr_javadoccomment"> Where to get the configuration. */</em>
+<a name="62" href="#62">62</a> <strong class="jxr_keyword">private</strong> String wayfConfigFileLocation;
+<a name="63" href="#63">63</a>
+<a name="64" href="#64">64</a> <em class="jxr_javadoccomment">/**</em><em class="jxr_javadoccomment"> Logging service. */</em>
+<a name="65" href="#65">65</a> <strong class="jxr_keyword">private</strong> <a href="../../../../../edu/internet2/middleware/shibboleth/wayf/LogbackLoggingService.html">LogbackLoggingService</a> logService;
+<a name="66" href="#66">66</a>
+<a name="67" href="#67">67</a> <em class="jxr_javadoccomment">/**</em><em class="jxr_javadoccomment"> All the different Discovery Services we deal with. */</em>
+<a name="68" href="#68">68</a> <strong class="jxr_keyword">private</strong> List &lt;DiscoveryServiceHandler&gt; discoveryServices = <strong class="jxr_keyword">new</strong> ArrayList &lt;DiscoveryServiceHandler&gt;();
+<a name="69" href="#69">69</a>
+<a name="70" href="#70">70</a> <em class="jxr_javadoccomment">/**</em>
+<a name="71" href="#71">71</a> <em class="jxr_javadoccomment"> * Initialize the Discovery Service.</em>
+<a name="72" href="#72">72</a> <em class="jxr_javadoccomment"> * </em>
+<a name="73" href="#73">73</a> <em class="jxr_javadoccomment"> * @throws ServletException in the case of something bad happening</em>
+<a name="74" href="#74">74</a> <em class="jxr_javadoccomment"> * </em>
+<a name="75" href="#75">75</a> <em class="jxr_javadoccomment"> * @see GenericServlet#init()</em>
+<a name="76" href="#76">76</a> <em class="jxr_javadoccomment"> */</em>
+<a name="77" href="#77">77</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> init() <strong class="jxr_keyword">throws</strong> ServletException {
+<a name="78" href="#78">78</a>
+<a name="79" href="#79">79</a> <strong class="jxr_keyword">super</strong>.init();
+<a name="80" href="#80">80</a>
+<a name="81" href="#81">81</a> wayfConfigFileLocation = getServletContext().getInitParameter(<span class="jxr_string">"WAYFConfigFileLocation"</span>);
+<a name="82" href="#82">82</a> <strong class="jxr_keyword">if</strong> (wayfConfigFileLocation == <strong class="jxr_keyword">null</strong>) {
+<a name="83" href="#83">83</a> wayfConfigFileLocation = getServletConfig().getInitParameter(<span class="jxr_string">"WAYFConfigFileLocation"</span>);
+<a name="84" href="#84">84</a> }
+<a name="85" href="#85">85</a> <strong class="jxr_keyword">if</strong> (wayfConfigFileLocation == <strong class="jxr_keyword">null</strong>) {
+<a name="86" href="#86">86</a> wayfConfigFileLocation = <span class="jxr_string">"/wayfconfig.xml"</span>;
+<a name="87" href="#87">87</a> }
+<a name="88" href="#88">88</a>
+<a name="89" href="#89">89</a>
+<a name="90" href="#90">90</a> <strong class="jxr_keyword">try</strong> {
+<a name="91" href="#91">91</a> <em class="jxr_comment">//</em>
+<a name="92" href="#92">92</a> <em class="jxr_comment">// Initialize logging</em>
+<a name="93" href="#93">93</a> <em class="jxr_comment">//</em>
+<a name="94" href="#94">94</a> String wayfLogfile = getServletContext().getInitParameter(<span class="jxr_string">"WAYFLogConfig"</span>);
+<a name="95" href="#95">95</a> <strong class="jxr_keyword">if</strong> (<strong class="jxr_keyword">null</strong> == wayfLogfile) {
+<a name="96" href="#96">96</a> wayfLogfile = getServletConfig().getInitParameter(<span class="jxr_string">"WAYFLogConfig"</span>);
+<a name="97" href="#97">97</a> }
+<a name="98" href="#98">98</a> <strong class="jxr_keyword">long</strong> pollingFrequency = 1000*60*5;
+<a name="99" href="#99">99</a>
+<a name="100" href="#100">100</a> String wayfLogfilePollFrequency = getServletContext().getInitParameter(<span class="jxr_string">"WAYFLogConfigPollFrequency"</span>);
+<a name="101" href="#101">101</a> <strong class="jxr_keyword">if</strong> (<strong class="jxr_keyword">null</strong> == wayfLogfilePollFrequency) {
+<a name="102" href="#102">102</a> wayfLogfilePollFrequency = getServletConfig().getInitParameter(<span class="jxr_string">"WAYFLogConfigPollFrequency"</span>);
+<a name="103" href="#103">103</a> }
+<a name="104" href="#104">104</a> <strong class="jxr_keyword">if</strong>(!DatatypeHelper.isEmpty(wayfLogfilePollFrequency)){
+<a name="105" href="#105">105</a> pollingFrequency = Long.parseLong(wayfLogfilePollFrequency);
+<a name="106" href="#106">106</a> }
+<a name="107" href="#107">107</a> <strong class="jxr_keyword">if</strong> (wayfLogfile != <strong class="jxr_keyword">null</strong>) {
+<a name="108" href="#108">108</a> logService = <strong class="jxr_keyword">new</strong> <a href="../../../../../edu/internet2/middleware/shibboleth/wayf/LogbackLoggingService.html">LogbackLoggingService</a>(wayfLogfile, pollingFrequency);
+<a name="109" href="#109">109</a> }
+<a name="110" href="#110">110</a>
+<a name="111" href="#111">111</a> LOG.info(<span class="jxr_string">"Logging initiated"</span>);
+<a name="112" href="#112">112</a>
+<a name="113" href="#113">113</a> <em class="jxr_comment">//</em>
+<a name="114" href="#114">114</a> <em class="jxr_comment">// Initialize OpenSAML 2 library</em>
+<a name="115" href="#115">115</a> <em class="jxr_comment">//</em>
+<a name="116" href="#116">116</a> DefaultBootstrap.bootstrap();
+<a name="117" href="#117">117</a>
+<a name="118" href="#118">118</a> BasicParserPool parser = <strong class="jxr_keyword">new</strong> BasicParserPool();
+<a name="119" href="#119">119</a> parser.setNamespaceAware(<strong class="jxr_keyword">true</strong>);
+<a name="120" href="#120">120</a> Document doc;
+<a name="121" href="#121">121</a> <strong class="jxr_keyword">try</strong> {
+<a name="122" href="#122">122</a> doc = parser.parse(<strong class="jxr_keyword">new</strong> FileInputStream(wayfConfigFileLocation));
+<a name="123" href="#123">123</a> } <strong class="jxr_keyword">catch</strong> (FileNotFoundException e) {
+<a name="124" href="#124">124</a> LOG.error(<span class="jxr_string">"Could not parse "</span> + wayfConfigFileLocation, e);
+<a name="125" href="#125">125</a> <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> <a href="../../../../../edu/internet2/middleware/shibboleth/common/ShibbolethConfigurationException.html">ShibbolethConfigurationException</a>(<span class="jxr_string">"Could not parse "</span> + wayfConfigFileLocation, e);
+<a name="126" href="#126">126</a> }
+<a name="127" href="#127">127</a> NodeList itemElements = doc.getDocumentElement().getElementsByTagNameNS(XMLConstants.CONFIG_NS,
+<a name="128" href="#128">128</a> <span class="jxr_string">"Default"</span>);
+<a name="129" href="#129">129</a>
+<a name="130" href="#130">130</a> <a href="../../../../../edu/internet2/middleware/shibboleth/wayf/HandlerConfig.html">HandlerConfig</a> defaultHandlerConfig;
+<a name="131" href="#131">131</a>
+<a name="132" href="#132">132</a> <strong class="jxr_keyword">if</strong> (itemElements.getLength() == 1) {
+<a name="133" href="#133">133</a>
+<a name="134" href="#134">134</a> Element element = (Element) itemElements.item(0);
+<a name="135" href="#135">135</a> String attribute = element.getAttribute(<span class="jxr_string">"location"</span>);
+<a name="136" href="#136">136</a>
+<a name="137" href="#137">137</a> <strong class="jxr_keyword">if</strong> (attribute != <strong class="jxr_keyword">null</strong> &amp;&amp; !attribute.equals(<span class="jxr_string">""</span>)) {
+<a name="138" href="#138">138</a>
+<a name="139" href="#139">139</a> LOG.error(<span class="jxr_string">"&lt;Default&gt; element cannot contain a location attribute"</span>);
+<a name="140" href="#140">140</a> <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> <a href="../../../../../edu/internet2/middleware/shibboleth/common/ShibbolethConfigurationException.html">ShibbolethConfigurationException</a>(<span class="jxr_string">"&lt;Default&gt; element cannot contain a location attribute"</span>);
+<a name="141" href="#141">141</a>
+<a name="142" href="#142">142</a> }
+<a name="143" href="#143">143</a>
+<a name="144" href="#144">144</a> attribute = element.getAttribute(<span class="jxr_string">"default"</span>);
+<a name="145" href="#145">145</a>
+<a name="146" href="#146">146</a> <strong class="jxr_keyword">if</strong> (attribute != <strong class="jxr_keyword">null</strong> &amp;&amp; !attribute.equals(<span class="jxr_string">""</span>)) {
+<a name="147" href="#147">147</a>
+<a name="148" href="#148">148</a> LOG.error(<span class="jxr_string">"&lt;Default&gt; element cannot contain a default attribute"</span>);
+<a name="149" href="#149">149</a> <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> <a href="../../../../../edu/internet2/middleware/shibboleth/common/ShibbolethConfigurationException.html">ShibbolethConfigurationException</a>(<span class="jxr_string">"&lt;Default&gt; element cannot contain a default attribute"</span>);
+<a name="150" href="#150">150</a>
+<a name="151" href="#151">151</a> }
+<a name="152" href="#152">152</a>
+<a name="153" href="#153">153</a> itemElements = element.getElementsByTagName(<span class="jxr_string">"Federation"</span>);
+<a name="154" href="#154">154</a>
+<a name="155" href="#155">155</a> <strong class="jxr_keyword">if</strong> (itemElements.getLength() != 0) {
+<a name="156" href="#156">156</a>
+<a name="157" href="#157">157</a> LOG.error(<span class="jxr_string">"&lt;Default&gt; element cannot contain &lt;Federation&gt; elements"</span>);
+<a name="158" href="#158">158</a> <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> <a href="../../../../../edu/internet2/middleware/shibboleth/common/ShibbolethConfigurationException.html">ShibbolethConfigurationException</a>(<span class="jxr_string">"&lt;Default&gt; element cannot contain &lt;Federation&gt; elements"</span>);
+<a name="159" href="#159">159</a>
+<a name="160" href="#160">160</a> }
+<a name="161" href="#161">161</a>
+<a name="162" href="#162">162</a> defaultHandlerConfig = <strong class="jxr_keyword">new</strong> <a href="../../../../../edu/internet2/middleware/shibboleth/wayf/HandlerConfig.html">HandlerConfig</a>(element, <strong class="jxr_keyword">new</strong> <a href="../../../../../edu/internet2/middleware/shibboleth/wayf/HandlerConfig.html">HandlerConfig</a>());
+<a name="163" href="#163">163</a>
+<a name="164" href="#164">164</a> } <strong class="jxr_keyword">else</strong> <strong class="jxr_keyword">if</strong> (itemElements.getLength() == 0) {
+<a name="165" href="#165">165</a>
+<a name="166" href="#166">166</a> defaultHandlerConfig = <strong class="jxr_keyword">new</strong> <a href="../../../../../edu/internet2/middleware/shibboleth/wayf/HandlerConfig.html">HandlerConfig</a>();
+<a name="167" href="#167">167</a>
+<a name="168" href="#168">168</a> } <strong class="jxr_keyword">else</strong> {
+<a name="169" href="#169">169</a> LOG.error(<span class="jxr_string">"Must specify exactly one &lt;Default&gt; element"</span>);
+<a name="170" href="#170">170</a> <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> <a href="../../../../../edu/internet2/middleware/shibboleth/common/ShibbolethConfigurationException.html">ShibbolethConfigurationException</a>(<span class="jxr_string">"Must specify exactly one &lt;Default&gt; element"</span>);
+<a name="171" href="#171">171</a> }
+<a name="172" href="#172">172</a> <em class="jxr_comment">//</em>
+<a name="173" href="#173">173</a> <em class="jxr_comment">// Extra types</em>
+<a name="174" href="#174">174</a> <em class="jxr_comment">//</em>
+<a name="175" href="#175">175</a> QName response = <strong class="jxr_keyword">new</strong> QName(DiscoveryResponseImpl.METADATA_NS, DiscoveryResponseImpl.DEFAULT_ELEMENT_LOCAL_NAME);
+<a name="176" href="#176">176</a>
+<a name="177" href="#177">177</a> Configuration.getUnmarshallerFactory().registerUnmarshaller(response, <strong class="jxr_keyword">new</strong> DiscoveryResponseUnmarshaller());
+<a name="178" href="#178">178</a> Configuration.getBuilderFactory().registerBuilder(response, <strong class="jxr_keyword">new</strong> DiscoveryResponseBuilder());
+<a name="179" href="#179">179</a>
+<a name="180" href="#180">180</a> <em class="jxr_comment">//</em>
+<a name="181" href="#181">181</a> <em class="jxr_comment">// Load metadata</em>
+<a name="182" href="#182">182</a> <em class="jxr_comment">//</em>
+<a name="183" href="#183">183</a> Hashtable &lt;String, IdPSiteSet&gt; siteSets = <strong class="jxr_keyword">new</strong> Hashtable &lt;String, IdPSiteSet&gt;();
+<a name="184" href="#184">184</a>
+<a name="185" href="#185">185</a> itemElements = doc.getDocumentElement().getElementsByTagNameNS(XMLConstants.CONFIG_NS,
+<a name="186" href="#186">186</a> <span class="jxr_string">"MetadataProvider"</span>);
+<a name="187" href="#187">187</a>
+<a name="188" href="#188">188</a> <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> i = 0; i &lt; itemElements.getLength(); i++) {
+<a name="189" href="#189">189</a>
+<a name="190" href="#190">190</a> Element element = (Element) itemElements.item(i);
+<a name="191" href="#191">191</a>
+<a name="192" href="#192">192</a> <a href="../../../../../edu/internet2/middleware/shibboleth/wayf/IdPSiteSet.html">IdPSiteSet</a> siteset = <strong class="jxr_keyword">new</strong> <a href="../../../../../edu/internet2/middleware/shibboleth/wayf/IdPSiteSet.html">IdPSiteSet</a>(element, parser, defaultHandlerConfig.getWarnOnBadBinding());
+<a name="193" href="#193">193</a>
+<a name="194" href="#194">194</a> siteSets.put(siteset.getIdentifier(), siteset);
+<a name="195" href="#195">195</a> }
+<a name="196" href="#196">196</a> <strong class="jxr_keyword">if</strong> (siteSets.size() &lt; 1) {
+<a name="197" href="#197">197</a> LOG.error(<span class="jxr_string">"No Metadata Provider metadata loaded."</span>);
+<a name="198" href="#198">198</a> <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> <a href="../../../../../edu/internet2/middleware/shibboleth/common/ShibbolethConfigurationException.html">ShibbolethConfigurationException</a>(<span class="jxr_string">"Could not load SAML metadata."</span>);
+<a name="199" href="#199">199</a> }
+<a name="200" href="#200">200</a> <em class="jxr_comment">//</em>
+<a name="201" href="#201">201</a> <em class="jxr_comment">// Load plugins</em>
+<a name="202" href="#202">202</a> <em class="jxr_comment">//</em>
+<a name="203" href="#203">203</a>
+<a name="204" href="#204">204</a> Hashtable &lt;String, Plugin&gt; plugins = <strong class="jxr_keyword">new</strong> Hashtable &lt;String, Plugin&gt;();
+<a name="205" href="#205">205</a>
+<a name="206" href="#206">206</a> itemElements = doc.getDocumentElement().getElementsByTagNameNS(XMLConstants.CONFIG_NS,
+<a name="207" href="#207">207</a> <span class="jxr_string">"Plugin"</span>);
+<a name="208" href="#208">208</a>
+<a name="209" href="#209">209</a> <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> i = 0; i &lt; itemElements.getLength(); i++) {
+<a name="210" href="#210">210</a>
+<a name="211" href="#211">211</a> <a href="../../../../../edu/internet2/middleware/shibboleth/wayf/plugins/Plugin.html">Plugin</a> plugin;
+<a name="212" href="#212">212</a>
+<a name="213" href="#213">213</a> Element element = (Element) itemElements.item(i);
+<a name="214" href="#214">214</a>
+<a name="215" href="#215">215</a> String identifier = element.getAttribute(<span class="jxr_string">"identifier"</span>);
+<a name="216" href="#216">216</a>
+<a name="217" href="#217">217</a> <strong class="jxr_keyword">if</strong> (<strong class="jxr_keyword">null</strong> == identifier || identifier.equals(<span class="jxr_string">""</span>)) {
+<a name="218" href="#218">218</a> LOG.error(<span class="jxr_string">"Could not load plugin with no identifier"</span>);
+<a name="219" href="#219">219</a> <strong class="jxr_keyword">continue</strong>;
+<a name="220" href="#220">220</a> }
+<a name="221" href="#221">221</a>
+<a name="222" href="#222">222</a> String className = element.getAttribute(<span class="jxr_string">"type"</span>);
+<a name="223" href="#223">223</a> <strong class="jxr_keyword">if</strong> (<strong class="jxr_keyword">null</strong> == className || className.equals(<span class="jxr_string">""</span>)) {
+<a name="224" href="#224">224</a> LOG.error(<span class="jxr_string">"Plugin "</span> + identifier + <span class="jxr_string">" did not have a valid type"</span>);
+<a name="225" href="#225">225</a> }
+<a name="226" href="#226">226</a> <em class="jxr_comment">//</em>
+<a name="227" href="#227">227</a> <em class="jxr_comment">// So try to get hold of the plugin</em>
+<a name="228" href="#228">228</a> <em class="jxr_comment">//</em>
+<a name="229" href="#229">229</a> <strong class="jxr_keyword">try</strong> {
+<a name="230" href="#230">230</a> Class&lt;Plugin&gt; pluginClass = (Class&lt;Plugin&gt;) Class.forName(className);
+<a name="231" href="#231">231</a> Class[] classParams = {Element.<strong class="jxr_keyword">class</strong>};
+<a name="232" href="#232">232</a> Constructor&lt;Plugin&gt; pluginConstructor = pluginClass.getConstructor(classParams);
+<a name="233" href="#233">233</a> Object[] constructorParams = {element};
+<a name="234" href="#234">234</a>
+<a name="235" href="#235">235</a> plugin = pluginConstructor.newInstance(constructorParams);
+<a name="236" href="#236">236</a>
+<a name="237" href="#237">237</a> } <strong class="jxr_keyword">catch</strong> (Exception e) {
+<a name="238" href="#238">238</a> LOG.error(<span class="jxr_string">"Plugin "</span> + identifier + <span class="jxr_string">" could not be loaded "</span>, e);
+<a name="239" href="#239">239</a> <strong class="jxr_keyword">continue</strong>;
+<a name="240" href="#240">240</a> }
+<a name="241" href="#241">241</a>
+<a name="242" href="#242">242</a> plugins.put(identifier, plugin);
+<a name="243" href="#243">243</a> }
+<a name="244" href="#244">244</a>
+<a name="245" href="#245">245</a>
+<a name="246" href="#246">246</a> <em class="jxr_comment">//</em>
+<a name="247" href="#247">247</a> <em class="jxr_comment">// Load service handlers</em>
+<a name="248" href="#248">248</a> <em class="jxr_comment">//</em>
+<a name="249" href="#249">249</a> itemElements = doc.getDocumentElement().getElementsByTagNameNS(XMLConstants.CONFIG_NS,
+<a name="250" href="#250">250</a> <span class="jxr_string">"DiscoveryServiceHandler"</span>);
+<a name="251" href="#251">251</a>
+<a name="252" href="#252">252</a> <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> i = 0; i &lt; itemElements.getLength(); i++) {
+<a name="253" href="#253">253</a>
+<a name="254" href="#254">254</a> discoveryServices.add(<strong class="jxr_keyword">new</strong> <a href="../../../../../edu/internet2/middleware/shibboleth/wayf/DiscoveryServiceHandler.html">DiscoveryServiceHandler</a>((Element)itemElements.item(i),
+<a name="255" href="#255">255</a> siteSets,
+<a name="256" href="#256">256</a> plugins,
+<a name="257" href="#257">257</a> defaultHandlerConfig));
+<a name="258" href="#258">258</a>
+<a name="259" href="#259">259</a> }
+<a name="260" href="#260">260</a>
+<a name="261" href="#261">261</a> } <strong class="jxr_keyword">catch</strong> (Exception e) {
+<a name="262" href="#262">262</a> <em class="jxr_comment">//</em>
+<a name="263" href="#263">263</a> <em class="jxr_comment">// All other exceptions are from the parsing</em>
+<a name="264" href="#264">264</a> <em class="jxr_comment">//</em>
+<a name="265" href="#265">265</a> <strong class="jxr_keyword">if</strong> (LOG != <strong class="jxr_keyword">null</strong>) {
+<a name="266" href="#266">266</a> LOG.error(<span class="jxr_string">"Error parsing DS configuration file."</span>, e);
+<a name="267" href="#267">267</a> }
+<a name="268" href="#268">268</a> <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> ServletException(<span class="jxr_string">"Error parsing DS configuration file."</span>, e);
+<a name="269" href="#269">269</a> }
+<a name="270" href="#270">270</a>
+<a name="271" href="#271">271</a> LOG.info(<span class="jxr_string">"DS initialization completed."</span>);
+<a name="272" href="#272">272</a> }
+<a name="273" href="#273">273</a>
+<a name="274" href="#274">274</a> <em class="jxr_javadoccomment">/**</em>
+<a name="275" href="#275">275</a> <em class="jxr_javadoccomment"> * Handle an HTTP GET. Just passes out to the appropriate handler.</em>
+<a name="276" href="#276">276</a> <em class="jxr_javadoccomment"> * @param req described the request.</em>
+<a name="277" href="#277">277</a> <em class="jxr_javadoccomment"> * @param res contains the response.</em>
+<a name="278" href="#278">278</a> <em class="jxr_javadoccomment"> * @see HttpServlet#doGet(HttpServletRequest, HttpServletResponse)</em>
+<a name="279" href="#279">279</a> <em class="jxr_javadoccomment"> */</em>
+<a name="280" href="#280">280</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> doGet(HttpServletRequest req, HttpServletResponse res) {
+<a name="281" href="#281">281</a>
+<a name="282" href="#282">282</a> LOG.info(<span class="jxr_string">"Handling DS request."</span>);
+<a name="283" href="#283">283</a> <em class="jxr_comment">// Tell the browser not to cache the WAYF page</em>
+<a name="284" href="#284">284</a> res.setHeader(<span class="jxr_string">"Cache-Control"</span>, <span class="jxr_string">"no-cache"</span>);
+<a name="285" href="#285">285</a> res.setHeader(<span class="jxr_string">"Pragma"</span>, <span class="jxr_string">"no-cache"</span>);
+<a name="286" href="#286">286</a> res.setDateHeader(<span class="jxr_string">"Expires"</span>, 0);
+<a name="287" href="#287">287</a>
+<a name="288" href="#288">288</a> <a href="../../../../../edu/internet2/middleware/shibboleth/wayf/DiscoveryServiceHandler.html">DiscoveryServiceHandler</a> serviceHandler = lookupServiceHandler(req);
+<a name="289" href="#289">289</a>
+<a name="290" href="#290">290</a> serviceHandler.doGet(req, res);
+<a name="291" href="#291">291</a>
+<a name="292" href="#292">292</a> }
+<a name="293" href="#293">293</a>
+<a name="294" href="#294">294</a> <em class="jxr_javadoccomment">/**</em>
+<a name="295" href="#295">295</a> <em class="jxr_javadoccomment"> * Given a request (an HTTP Get) find the apropriate DiscoveryService (from the name).</em>
+<a name="296" href="#296">296</a> <em class="jxr_javadoccomment"> * @param req desribed the request</em>
+<a name="297" href="#297">297</a> <em class="jxr_javadoccomment"> * @return the apropriate DiscoveryService.</em>
+<a name="298" href="#298">298</a> <em class="jxr_javadoccomment"> */</em>
+<a name="299" href="#299">299</a> <strong class="jxr_keyword">private</strong> <a href="../../../../../edu/internet2/middleware/shibboleth/wayf/DiscoveryServiceHandler.html">DiscoveryServiceHandler</a> lookupServiceHandler(HttpServletRequest req) {
+<a name="300" href="#300">300</a>
+<a name="301" href="#301">301</a> Iterator&lt;DiscoveryServiceHandler&gt; it = discoveryServices.iterator();
+<a name="302" href="#302">302</a> String requestURL = req.getRequestURL().toString();
+<a name="303" href="#303">303</a> <a href="../../../../../edu/internet2/middleware/shibboleth/wayf/DiscoveryServiceHandler.html">DiscoveryServiceHandler</a> defaultHandler = <strong class="jxr_keyword">null</strong>;
+<a name="304" href="#304">304</a>
+<a name="305" href="#305">305</a> <strong class="jxr_keyword">while</strong> (it.hasNext()) {
+<a name="306" href="#306">306</a> <a href="../../../../../edu/internet2/middleware/shibboleth/wayf/DiscoveryServiceHandler.html">DiscoveryServiceHandler</a> handler = it.next();
+<a name="307" href="#307">307</a>
+<a name="308" href="#308">308</a> <strong class="jxr_keyword">if</strong> (requestURL.matches(handler.getLocation())) {
+<a name="309" href="#309">309</a> <strong class="jxr_keyword">return</strong> handler;
+<a name="310" href="#310">310</a> }
+<a name="311" href="#311">311</a> <strong class="jxr_keyword">if</strong> (defaultHandler == <strong class="jxr_keyword">null</strong> || handler.isDefault()) {
+<a name="312" href="#312">312</a> defaultHandler = handler;
+<a name="313" href="#313">313</a> }
+<a name="314" href="#314">314</a> }
+<a name="315" href="#315">315</a> LOG.warn(<span class="jxr_string">"Could not find Discovery service Handler for "</span> + requestURL);
+<a name="316" href="#316">316</a> <strong class="jxr_keyword">return</strong> defaultHandler;
+<a name="317" href="#317">317</a> }
+<a name="318" href="#318">318</a> }
+</pre>
+<hr/><div id="footer">This page was automatically generated by <a href="http://maven.apache.org/">Maven</a></div></body>
+</html>
+
generated by cgit v1.1 at 2024-12-28 13:20:26 +0000