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docs/java/javax/security/auth/spi/LoginModule.html
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javax.security.auth.spi
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<h2 class="title" title="Interface LoginModule">Interface LoginModule</h2>
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<hr/> <br/> <pre>public interface <span class="typeNameLabel">LoginModule</span></pre>
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<p> <span><code>LoginModule</code>描述了认证技术提供商实现的接口。</span> <span>LoginModules插入应用程序以提供特定类型的身份验证。</span> </p>
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<p> <span>当应用程序写入<code>LoginContext</code> API时,认证技术提供商实现了<code>LoginModule</code>接口。</span> <span>A <code>Configuration</code>指定要与特定登录应用程序一起使用的LoginModule。</span> <span>因此,可以在应用程序下插入不同的LoginModules,而不需要对应用程序本身进行任何修改。</span> </p>
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<p> <span>该<code>LoginContext</code>是负责读取<code>Configuration</code>和实例相应的LoginModules。</span> <span>每个<code>LoginModule</code>初始化为<code>Subject</code> ,一个<code>CallbackHandler</code> ,共享<code>LoginModule</code>状态,并且特定LoginModule的选项。</span> <span>该<code>Subject</code>表示<code>Subject</code>目前正在认证,如果认证成功,则与相关证书更新。</span> <span>LoginModule的使用<code>CallbackHandler</code>与用户沟通。</span> <span>例如, <code>CallbackHandler</code>可以用于提示用户名和密码。</span> <span>请注意, <code>CallbackHandler</code>可能为null。</span> <span>LoginModules绝对需要一个<code>CallbackHandler</code>认证<code>Subject</code>可能会抛出一个<code>LoginException</code> 。</span> <span>LoginModules可以选择使用共享状态来在它们之间共享信息或数据。</span> </p>
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<p> <span>具体LoginModule的选项表示被配置为这个选项<code>LoginModule</code>通过在登录管理员或用户<code>Configuration</code> 。</span> <span>这些选项由<code>LoginModule</code>本身定义并控制其中的行为。</span> <span>例如, <code>LoginModule</code>可以定义支持调试/测试功能的选项。</span> <span>选项使用键值语法定义,例如<i>debug = true</i> 。</span> <span><code>LoginModule</code>将选项存储为<code>Map</code> ,以便可以使用该键检索值。</span> <span>请注意, <code>LoginModule</code>选择定义的选项数量没有限制。</span> </p>
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<p> <span>呼叫应用程序将认证过程视为单个操作。</span> <span>然而,LoginModule内的<code>LoginModule</code>过程分为两个不同阶段。</span> <span>在第一阶段,LoginModule的<code>login</code>方法由LoginContext的<code>login</code>方法调用。</span> <span>该<code>login</code>的方法<code>LoginModule</code>然后执行实际的身份验证(提示和验证例如密码),并保存为私有状态信息其认证状态。</span> <span>一旦完成,LoginModule的<code>login</code>方法返回<code>true</code> (如果成功)或<code>false</code> (如果应该被忽略),或者抛出一个<code>LoginException</code>来指定一个失败。</span> <span>在失败的情况下, <code>LoginModule</code>不得重试验证或引入延迟。</span> <span>这些任务的责任属于应用程序。</span> <span>如果应用程序尝试重试身份验证,则将再次调用LoginModule的<code>login</code>方法。</span> </p>
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<p> <span>在第二个阶段,如果LoginContext的整个身份验证成功(相关的REQUIRED,REQUISITE,充分,可选的LoginModule成功),然后是<code>commit</code>的方法<code>LoginModule</code>被调用。</span> <span>该<code>commit</code>的方法<code>LoginModule</code>检查其私有保存状态,看看自己的身份验证成功。</span> <span>如果整个<code>LoginContext</code>认证成功,并且LoginModule自己的认证成功,则<code>commit</code>方法将相关主体(认证身份)和凭据(加密密钥等认证数据)与<code>Subject</code>中的<code>LoginModule</code> 。</span> </p>
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<p> <span>如果LoginContext的整体身份验证失败(相关的REQUIRED,REQUISITE,SUPPICIENT和可选LoginModules没有成功),那么每个<code>LoginModule</code>的<code>abort</code>方法都<code>LoginModule</code>被调用。</span> <span>在这种情况下, <code>LoginModule</code>会删除/销毁最初保存的任何身份验证状态。</span> </p>
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<p> <span>注销一个<code>Subject</code>只涉及一个阶段。</span> <span><code>LoginContext</code>调用LoginModule的<code>logout</code>方法。</span> <span>该<code>logout</code>的方法<code>LoginModule</code>然后执行退出过程,诸如从除去校长或凭证<code>Subject</code>或记录会话信息。</span> </p>
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<p> <span>一个<code>LoginModule</code>实现必须有一个没有参数的构造函数。</span> <span>这允许加载<code>LoginModule</code>类实例化它。</span> </p>
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<span class="seeLabel">另请参见:</span>
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<dd>
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<span><a href="../../../../javax/security/auth/login/LoginContext.html" title="javax.security.auth.login中的类"><code>LoginContext</code></a> , <a href="../../../../javax/security/auth/login/Configuration.html" title="javax.security.auth.login中的类"><code>Configuration</code></a></span>
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<span class="activeTableTab" id="t0"><span>所有方法</span><span class="tabEnd"> </span></span>
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<td class="colFirst"><code>boolean</code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../../javax/security/auth/spi/LoginModule.html#abort--">abort</a></span>()</code>
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中止认证过程的方法(阶段2)。
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<td class="colFirst"><code>boolean</code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../../javax/security/auth/spi/LoginModule.html#commit--">commit</a></span>()</code>
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<div class="block">
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提交认证过程的方法(阶段2)。
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<td class="colFirst"><code>void</code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../../javax/security/auth/spi/LoginModule.html#initialize-javax.security.auth.Subject-javax.security.auth.callback.CallbackHandler-java.util.Map-java.util.Map-">initialize</a></span>(<a href="../../../../javax/security/auth/Subject.html" title="class in javax.security.auth">Subject</a> subject, <a href="../../../../javax/security/auth/callback/CallbackHandler.html" title="interface in javax.security.auth.callback">CallbackHandler</a> callbackHandler, <a href="../../../../java/util/Map.html" title="interface in java.util">Map</a><<a href="../../../../java/lang/String.html" title="class in java.lang">String</a>,?> sharedState, <a href="../../../../java/util/Map.html" title="interface in java.util">Map</a><<a href="../../../../java/lang/String.html" title="class in java.lang">String</a>,?> options)</code>
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初始化此LoginModule。
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<td class="colFirst"><code>boolean</code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../../javax/security/auth/spi/LoginModule.html#login--">login</a></span>()</code>
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<div class="block">
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验证
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<code>Subject</code> (第1阶段)的方法。
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<td class="colFirst"><code>boolean</code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../../javax/security/auth/spi/LoginModule.html#logout--">logout</a></span>()</code>
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<div class="block">
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注销一个
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<code>Subject</code> 。
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<!-- --> </a> <h3>方法详细信息</h3> <a name="initialize-javax.security.auth.Subject-javax.security.auth.callback.CallbackHandler-java.util.Map-java.util.Map-">
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<li class="blockList"> <h4>initialize</h4> <pre>void initialize(<a href="../../../../javax/security/auth/Subject.html" title="class in javax.security.auth">Subject</a> subject,
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<a href="../../../../javax/security/auth/callback/CallbackHandler.html" title="interface in javax.security.auth.callback">CallbackHandler</a> callbackHandler,
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<a href="../../../../java/util/Map.html" title="interface in java.util">Map</a><<a href="../../../../java/lang/String.html" title="class in java.lang">String</a>,?> sharedState,
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<a href="../../../../java/util/Map.html" title="interface in java.util">Map</a><<a href="../../../../java/lang/String.html" title="class in java.lang">String</a>,?> options)</pre>
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<span>初始化此LoginModule。</span>
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<p> <span>此方法由<code>LoginContext</code>调用,此后<code>LoginModule</code>已被实例化。</span> <span>这种方法的目的是初始化这个<code>LoginModule</code>的相关信息。</span> <span>如果此<code>LoginModule</code>存储在<code>sharedState</code>或<code>options</code>参数中的任何数据,则可以忽略它们。</span> </p>
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<span class="paramLabel">参数</span>
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<code>subject</code> -在
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<code>Subject</code>进行身份验证。
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<code>callbackHandler</code> -一个
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<code>CallbackHandler</code>用于与最终用户进行通信(提示用户名和密码,例如)。
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<p></p>
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</dd>
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<dd>
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<code>sharedState</code> - 与其他配置的LoginModules共享的状态。
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<p></p>
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</dd>
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<code>options</code> - 在特定LoginModule的登录
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<code>Configuration</code>中指定的
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<code>LoginModule</code> 。
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<li class="blockList"> <h4>login</h4> <pre>boolean login()
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throws <a href="../../../../javax/security/auth/login/LoginException.html" title="class in javax.security.auth.login">LoginException</a></pre>
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<div class="block">
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<span>验证<code>Subject</code> (第1阶段)的方法。</span>
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<p> <span>该方法的实现验证了一个<code>Subject</code> 。</span> <span>例如,它可能会提示输入用户名和密码等<code>Subject</code>信息,然后尝试验证密码。</span> <span>该方法将认证尝试的结果保存在LoginModule中的私有状态。</span> </p>
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<span class="returnLabel">结果</span>
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如果身份验证成功,则为true;如果该验证成功,则为false,否则为
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<code>LoginModule</code> 。
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<span class="throwsLabel">异常</span>
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</dt>
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<dd>
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<code><a href="../../../../javax/security/auth/login/LoginException.html" title="class in javax.security.auth.login">LoginException</a></code> - 如果身份验证失败
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</dd>
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<li class="blockList"> <h4>commit</h4> <pre>boolean commit()
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throws <a href="../../../../javax/security/auth/login/LoginException.html" title="class in javax.security.auth.login">LoginException</a></pre>
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<div class="block">
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<span>提交认证过程的方法(阶段2)。</span>
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<p> <span>如果LoginContext的整体身份验证成功(相关的请求,REQUISITE,SUPPICIENT和可选LoginModules成功),则调用此方法。</span> </p>
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<p> <span>如果此LoginModule自己的身份验证尝试成功(通过检索通过<code>login</code>方法保存的私有状态检查),则此方法将相关主体和凭据与位于<code>Subject</code>中的<code>LoginModule</code> 。</span> <span>如果此LoginModule自身的身份验证尝试失败,则此方法将删除/销毁最初保存的任何状态。</span> </p>
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<p></p>
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<span class="returnLabel">结果</span>
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<dd>
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如果此方法成功了,还是假的,如果这
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<code>LoginModule</code>应该被忽略。
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<dt>
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<span class="throwsLabel">异常</span>
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</dt>
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<dd>
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<code><a href="../../../../javax/security/auth/login/LoginException.html" title="class in javax.security.auth.login">LoginException</a></code> - 如果提交失败
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</dd>
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<li class="blockList"> <h4>abort</h4> <pre>boolean abort()
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throws <a href="../../../../javax/security/auth/login/LoginException.html" title="class in javax.security.auth.login">LoginException</a></pre>
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<div class="block">
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<span>中止认证过程的方法(阶段2)。</span>
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<p> <span>如果LoginContext的整体身份验证失败,则调用此方法。</span> <span>(相关要求,必要,有效和可选的LoginModules没有成功)。</span> </p>
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<p> <span>如果此LoginModule自己的身份验证尝试成功(通过检索由<code>login</code>方法保存的私有状态进行检查),则此方法将清除最初保存的任何状态。</span> </p>
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<p></p>
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<dl>
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<dt>
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<span class="returnLabel">结果</span>
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<dd>
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如果此方法成功了,还是假的,如果这
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<code>LoginModule</code>应该被忽略。
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<dt>
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<span class="throwsLabel">异常</span>
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</dt>
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<code><a href="../../../../javax/security/auth/login/LoginException.html" title="class in javax.security.auth.login">LoginException</a></code> - 如果中止失败
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<li class="blockList"> <h4>logout</h4> <pre>boolean logout()
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throws <a href="../../../../javax/security/auth/login/LoginException.html" title="class in javax.security.auth.login">LoginException</a></pre>
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<div class="block">
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<span>注销一个<code>Subject</code> 。</span>
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<p> <span>此方法的实现可能会删除/销毁主题的主体和凭据。</span> </p>
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</dt>
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如果此方法成功了,还是假的,如果这
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<code>LoginModule</code>应该被忽略。
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<dt>
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<span class="throwsLabel">异常</span>
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</dt>
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<dd>
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<code><a href="../../../../javax/security/auth/login/LoginException.html" title="class in javax.security.auth.login">LoginException</a></code> - 如果注销失败
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<h1 class="title" title="Package">Package javax.security.auth.spi</h1>
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<div class="docSummary">
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<div class="block">
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该包提供了用于实现可插拔认证模块的接口。
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</div>
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</div>
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<p>See: <a href="#package.description">描述</a></p>
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<span>接口摘要</span>
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<span class="tabEnd"> </span>
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</caption>
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<tbody>
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<tr>
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<th class="colFirst" scope="col">接口</th>
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<th class="colLast" scope="col">描述</th>
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|
||||
<td class="colFirst"><a href="../../../../javax/security/auth/spi/LoginModule.html" title="interface in javax.security.auth.spi">LoginModule</a></td>
|
||||
<td class="colLast">
|
||||
<div class="block">
|
||||
<code>LoginModule</code>描述了认证技术提供商实现的接口。
|
||||
</div> </td>
|
||||
</tr>
|
||||
</tbody>
|
||||
</table> </li>
|
||||
</ul>
|
||||
<a name="package.description">
|
||||
<!-- --> </a>
|
||||
<h2 title="Package javax.security.auth.spi Description">Package javax.security.auth.spi Description</h2>
|
||||
<div class="block">
|
||||
该包提供了用于实现可插拔认证模块的接口。
|
||||
</div>
|
||||
<dl>
|
||||
<dt>
|
||||
<span class="simpleTagLabel">从以下版本开始:</span>
|
||||
</dt>
|
||||
<dd>
|
||||
JDK1.4
|
||||
</dd>
|
||||
</dl>
|
||||
</div>
|
||||
Reference in New Issue
Block a user