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<div id="overview"><a href="../../../../../apidocs/org/apache/shiro/mgt/AuthenticatingSecurityManager.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"> * Licensed to the Apache Software Foundation (ASF) under one</em>
<a name="3" href="#3">3</a> <em class="jxr_comment"> * or more contributor license agreements. See the NOTICE file</em>
<a name="4" href="#4">4</a> <em class="jxr_comment"> * distributed with this work for additional information</em>
<a name="5" href="#5">5</a> <em class="jxr_comment"> * regarding copyright ownership. The ASF licenses this file</em>
<a name="6" href="#6">6</a> <em class="jxr_comment"> * to you under the Apache License, Version 2.0 (the</em>
<a name="7" href="#7">7</a> <em class="jxr_comment"> * "License"); you may not use this file except in compliance</em>
<a name="8" href="#8">8</a> <em class="jxr_comment"> * with the License. You may obtain a copy of the License at</em>
<a name="9" href="#9">9</a> <em class="jxr_comment"> *</em>
<a name="10" href="#10">10</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="11" href="#11">11</a> <em class="jxr_comment"> *</em>
<a name="12" href="#12">12</a> <em class="jxr_comment"> * Unless required by applicable law or agreed to in writing,</em>
<a name="13" href="#13">13</a> <em class="jxr_comment"> * software distributed under the License is distributed on an</em>
<a name="14" href="#14">14</a> <em class="jxr_comment"> * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY</em>
<a name="15" href="#15">15</a> <em class="jxr_comment"> * KIND, either express or implied. See the License for the</em>
<a name="16" href="#16">16</a> <em class="jxr_comment"> * specific language governing permissions and limitations</em>
<a name="17" href="#17">17</a> <em class="jxr_comment"> * under the License.</em>
<a name="18" href="#18">18</a> <em class="jxr_comment"> */</em>
<a name="19" href="#19">19</a> <strong class="jxr_keyword">package</strong> org.apache.shiro.mgt;
<a name="20" href="#20">20</a>
<a name="21" href="#21">21</a> <strong class="jxr_keyword">import</strong> org.apache.shiro.authc.AuthenticationException;
<a name="22" href="#22">22</a> <strong class="jxr_keyword">import</strong> org.apache.shiro.authc.AuthenticationInfo;
<a name="23" href="#23">23</a> <strong class="jxr_keyword">import</strong> org.apache.shiro.authc.AuthenticationToken;
<a name="24" href="#24">24</a> <strong class="jxr_keyword">import</strong> org.apache.shiro.authc.Authenticator;
<a name="25" href="#25">25</a> <strong class="jxr_keyword">import</strong> org.apache.shiro.authc.pam.ModularRealmAuthenticator;
<a name="26" href="#26">26</a> <strong class="jxr_keyword">import</strong> org.apache.shiro.util.LifecycleUtils;
<a name="27" href="#27">27</a>
<a name="28" href="#28">28</a>
<a name="29" href="#29">29</a> <em class="jxr_javadoccomment">/**</em>
<a name="30" href="#30">30</a> <em class="jxr_javadoccomment"> * Shiro support of a {@link SecurityManager} class hierarchy that delegates all</em>
<a name="31" href="#31">31</a> <em class="jxr_javadoccomment"> * authentication operations to a wrapped {@link Authenticator Authenticator} instance. That is, this class</em>
<a name="32" href="#32">32</a> <em class="jxr_javadoccomment"> * implements all the &lt;tt&gt;Authenticator&lt;/tt&gt; methods in the {@link SecurityManager SecurityManager}</em>
<a name="33" href="#33">33</a> <em class="jxr_javadoccomment"> * interface, but in reality, those methods are merely passthrough calls to the underlying 'real'</em>
<a name="34" href="#34">34</a> <em class="jxr_javadoccomment"> * &lt;tt&gt;Authenticator&lt;/tt&gt; instance.</em>
<a name="35" href="#35">35</a> <em class="jxr_javadoccomment"> *</em>
<a name="36" href="#36">36</a> <em class="jxr_javadoccomment"> * &lt;p&gt;All other &lt;tt&gt;SecurityManager&lt;/tt&gt; (authorization, session, etc) methods are left to be implemented by subclasses.</em>
<a name="37" href="#37">37</a> <em class="jxr_javadoccomment"> *</em>
<a name="38" href="#38">38</a> <em class="jxr_javadoccomment"> * &lt;p&gt;In keeping with the other classes in this hierarchy and Shiro's desire to minimize configuration whenever</em>
<a name="39" href="#39">39</a> <em class="jxr_javadoccomment"> * possible, suitable default instances for all dependencies are created upon instantiation.</em>
<a name="40" href="#40">40</a> <em class="jxr_javadoccomment"> *</em>
<a name="41" href="#41">41</a> <em class="jxr_javadoccomment"> * @since 0.9</em>
<a name="42" href="#42">42</a> <em class="jxr_javadoccomment"> */</em>
<a name="43" href="#43">43</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">abstract</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../org/apache/shiro/mgt/AuthenticatingSecurityManager.html">AuthenticatingSecurityManager</a> <strong class="jxr_keyword">extends</strong> <a href="../../../../org/apache/shiro/mgt/RealmSecurityManager.html">RealmSecurityManager</a> {
<a name="44" href="#44">44</a>
<a name="45" href="#45">45</a> <em class="jxr_javadoccomment">/**</em>
<a name="46" href="#46">46</a> <em class="jxr_javadoccomment"> * The internal &lt;code&gt;Authenticator&lt;/code&gt; delegate instance that this SecurityManager instance will use</em>
<a name="47" href="#47">47</a> <em class="jxr_javadoccomment"> * to perform all authentication operations.</em>
<a name="48" href="#48">48</a> <em class="jxr_javadoccomment"> */</em>
<a name="49" href="#49">49</a> <strong class="jxr_keyword">private</strong> <a href="../../../../org/apache/shiro/authc/Authenticator.html">Authenticator</a> authenticator;
<a name="50" href="#50">50</a>
<a name="51" href="#51">51</a> <em class="jxr_javadoccomment">/**</em>
<a name="52" href="#52">52</a> <em class="jxr_javadoccomment"> * Default no-arg constructor that initializes its internal</em>
<a name="53" href="#53">53</a> <em class="jxr_javadoccomment"> * &lt;code&gt;authenticator&lt;/code&gt; instance to a</em>
<a name="54" href="#54">54</a> <em class="jxr_javadoccomment"> * {@link org.apache.shiro.authc.pam.ModularRealmAuthenticator ModularRealmAuthenticator}.</em>
<a name="55" href="#55">55</a> <em class="jxr_javadoccomment"> */</em>
<a name="56" href="#56">56</a> <strong class="jxr_keyword">public</strong> <a href="../../../../org/apache/shiro/mgt/AuthenticatingSecurityManager.html">AuthenticatingSecurityManager</a>() {
<a name="57" href="#57">57</a> <strong class="jxr_keyword">super</strong>();
<a name="58" href="#58">58</a> <strong class="jxr_keyword">this</strong>.authenticator = <strong class="jxr_keyword">new</strong> <a href="../../../../org/apache/shiro/authc/pam/ModularRealmAuthenticator.html">ModularRealmAuthenticator</a>();
<a name="59" href="#59">59</a> }
<a name="60" href="#60">60</a>
<a name="61" href="#61">61</a> <em class="jxr_javadoccomment">/**</em>
<a name="62" href="#62">62</a> <em class="jxr_javadoccomment"> * Returns the delegate &lt;code&gt;Authenticator&lt;/code&gt; instance that this SecurityManager uses to perform all</em>
<a name="63" href="#63">63</a> <em class="jxr_javadoccomment"> * authentication operations. Unless overridden by the</em>
<a name="64" href="#64">64</a> <em class="jxr_javadoccomment"> * {@link #setAuthenticator(org.apache.shiro.authc.Authenticator) setAuthenticator}, the default instance is a</em>
<a name="65" href="#65">65</a> <em class="jxr_javadoccomment"> * {@link org.apache.shiro.authc.pam.ModularRealmAuthenticator ModularRealmAuthenticator}.</em>
<a name="66" href="#66">66</a> <em class="jxr_javadoccomment"> *</em>
<a name="67" href="#67">67</a> <em class="jxr_javadoccomment"> * @return the delegate &lt;code&gt;Authenticator&lt;/code&gt; instance that this SecurityManager uses to perform all</em>
<a name="68" href="#68">68</a> <em class="jxr_javadoccomment"> * authentication operations.</em>
<a name="69" href="#69">69</a> <em class="jxr_javadoccomment"> */</em>
<a name="70" href="#70">70</a> <strong class="jxr_keyword">public</strong> <a href="../../../../org/apache/shiro/authc/Authenticator.html">Authenticator</a> getAuthenticator() {
<a name="71" href="#71">71</a> <strong class="jxr_keyword">return</strong> authenticator;
<a name="72" href="#72">72</a> }
<a name="73" href="#73">73</a>
<a name="74" href="#74">74</a> <em class="jxr_javadoccomment">/**</em>
<a name="75" href="#75">75</a> <em class="jxr_javadoccomment"> * Sets the delegate &lt;code&gt;Authenticator&lt;/code&gt; instance that this SecurityManager uses to perform all</em>
<a name="76" href="#76">76</a> <em class="jxr_javadoccomment"> * authentication operations. Unless overridden by this method, the default instance is a</em>
<a name="77" href="#77">77</a> <em class="jxr_javadoccomment"> * {@link org.apache.shiro.authc.pam.ModularRealmAuthenticator ModularRealmAuthenticator}.</em>
<a name="78" href="#78">78</a> <em class="jxr_javadoccomment"> *</em>
<a name="79" href="#79">79</a> <em class="jxr_javadoccomment"> * @param authenticator the delegate &lt;code&gt;Authenticator&lt;/code&gt; instance that this SecurityManager will use to</em>
<a name="80" href="#80">80</a> <em class="jxr_javadoccomment"> * perform all authentication operations.</em>
<a name="81" href="#81">81</a> <em class="jxr_javadoccomment"> * @throws IllegalArgumentException if the argument is &lt;code&gt;null&lt;/code&gt;.</em>
<a name="82" href="#82">82</a> <em class="jxr_javadoccomment"> */</em>
<a name="83" href="#83">83</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> setAuthenticator(<a href="../../../../org/apache/shiro/authc/Authenticator.html">Authenticator</a> authenticator) <strong class="jxr_keyword">throws</strong> IllegalArgumentException {
<a name="84" href="#84">84</a> <strong class="jxr_keyword">if</strong> (authenticator == <strong class="jxr_keyword">null</strong>) {
<a name="85" href="#85">85</a> String msg = <span class="jxr_string">"Authenticator argument cannot be null."</span>;
<a name="86" href="#86">86</a> <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> IllegalArgumentException(msg);
<a name="87" href="#87">87</a> }
<a name="88" href="#88">88</a> <strong class="jxr_keyword">this</strong>.authenticator = authenticator;
<a name="89" href="#89">89</a> }
<a name="90" href="#90">90</a>
<a name="91" href="#91">91</a> <em class="jxr_javadoccomment">/**</em>
<a name="92" href="#92">92</a> <em class="jxr_javadoccomment"> * Passes on the {@link #getRealms() realms} to the internal delegate &lt;code&gt;Authenticator&lt;/code&gt; instance so</em>
<a name="93" href="#93">93</a> <em class="jxr_javadoccomment"> * that it may use them during authentication attempts.</em>
<a name="94" href="#94">94</a> <em class="jxr_javadoccomment"> */</em>
<a name="95" href="#95">95</a> <strong class="jxr_keyword">protected</strong> <strong class="jxr_keyword">void</strong> afterRealmsSet() {
<a name="96" href="#96">96</a> <strong class="jxr_keyword">super</strong>.afterRealmsSet();
<a name="97" href="#97">97</a> <strong class="jxr_keyword">if</strong> (<strong class="jxr_keyword">this</strong>.authenticator instanceof ModularRealmAuthenticator) {
<a name="98" href="#98">98</a> ((<a href="../../../../org/apache/shiro/authc/pam/ModularRealmAuthenticator.html">ModularRealmAuthenticator</a>) <strong class="jxr_keyword">this</strong>.authenticator).setRealms(getRealms());
<a name="99" href="#99">99</a> }
<a name="100" href="#100">100</a> }
<a name="101" href="#101">101</a>
<a name="102" href="#102">102</a> <em class="jxr_javadoccomment">/**</em>
<a name="103" href="#103">103</a> <em class="jxr_javadoccomment"> * Delegates to the wrapped {@link org.apache.shiro.authc.Authenticator Authenticator} for authentication.</em>
<a name="104" href="#104">104</a> <em class="jxr_javadoccomment"> */</em>
<a name="105" href="#105">105</a> <strong class="jxr_keyword">public</strong> <a href="../../../../org/apache/shiro/authc/AuthenticationInfo.html">AuthenticationInfo</a> authenticate(<a href="../../../../org/apache/shiro/authc/AuthenticationToken.html">AuthenticationToken</a> token) <strong class="jxr_keyword">throws</strong> AuthenticationException {
<a name="106" href="#106">106</a> <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">this</strong>.authenticator.authenticate(token);
<a name="107" href="#107">107</a> }
<a name="108" href="#108">108</a>
<a name="109" href="#109">109</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> destroy() {
<a name="110" href="#110">110</a> LifecycleUtils.destroy(getAuthenticator());
<a name="111" href="#111">111</a> <strong class="jxr_keyword">this</strong>.authenticator = <strong class="jxr_keyword">null</strong>;
<a name="112" href="#112">112</a> <strong class="jxr_keyword">super</strong>.destroy();
<a name="113" href="#113">113</a> }
<a name="114" href="#114">114</a> }
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