| <?xml version="1.0" encoding="UTF-8"?><!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"><html xmlns="http://www.w3.org/1999/xhtml" lang="en"><head><meta http-equiv="Content-Type" content="text/html;charset=UTF-8"/><link rel="stylesheet" href="../../jacoco-resources/report.css" type="text/css"/><link rel="shortcut icon" href="../../jacoco-resources/report.gif" type="image/gif"/><title>FirstSuccessfulStrategy.java</title><link rel="stylesheet" href="../../jacoco-resources/prettify.css" type="text/css"/><script type="text/javascript" src="../../jacoco-resources/prettify.js"></script></head><body onload="window['PR_TAB_WIDTH']=4;prettyPrint()"><div class="breadcrumb" id="breadcrumb"><span class="info"><a href="../../jacoco-sessions.html" class="el_session">Sessions</a></span><a href="../../index.html" class="el_report">Apache Shiro :: Test Coverage</a> > <a href="../index.html" class="el_bundle">shiro-core</a> > <a href="index.source.html" class="el_package">org.apache.shiro.authc.pam</a> > <span class="el_source">FirstSuccessfulStrategy.java</span></div><h1>FirstSuccessfulStrategy.java</h1><pre class="source lang-java linenums">/* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| package org.apache.shiro.authc.pam; |
| |
| import org.apache.shiro.authc.AuthenticationException; |
| import org.apache.shiro.authc.AuthenticationInfo; |
| import org.apache.shiro.authc.AuthenticationToken; |
| import org.apache.shiro.realm.Realm; |
| import org.apache.shiro.subject.PrincipalCollection; |
| |
| import java.util.Collection; |
| |
| /** |
| * {@link AuthenticationStrategy} implementation that only accepts the account data from |
| * the first successfully consulted Realm and ignores all subsequent realms. This is slightly |
| * different behavior than {@link AtLeastOneSuccessfulStrategy}, so please review both to see |
| * which one meets your needs better. |
| * |
| * @see AtLeastOneSuccessfulStrategy AtLeastOneSuccessfulAuthenticationStrategy |
| * @since 0.9 |
| */ |
| <span class="fc" id="L38">public class FirstSuccessfulStrategy extends AbstractAuthenticationStrategy {</span> |
| |
| /** |
| * Returns {@code null} immediately, relying on this class's {@link #merge merge} implementation to return |
| * only the first {@code info} object it encounters, ignoring all subsequent ones. |
| */ |
| public AuthenticationInfo beforeAllAttempts(Collection<? extends Realm> realms, AuthenticationToken token) throws AuthenticationException { |
| <span class="fc" id="L45"> return null;</span> |
| } |
| |
| private static boolean isEmpty(PrincipalCollection pc) { |
| <span class="pc bpc" id="L49" title="1 of 4 branches missed."> return pc == null || pc.isEmpty();</span> |
| } |
| |
| /** |
| * Returns the specified {@code aggregate} instance if is non null and valid (that is, has principals and they are |
| * not empty) immediately, or, if it is null or not valid, the {@code info} argument is returned instead. |
| * <p/> |
| * This logic ensures that the first valid info encountered is the one retained and all subsequent ones are ignored, |
| * since this strategy mandates that only the info from the first successfully authenticated realm be used. |
| */ |
| protected AuthenticationInfo merge(AuthenticationInfo info, AuthenticationInfo aggregate) { |
| <span class="pc bpc" id="L60" title="1 of 4 branches missed."> if (aggregate != null && !isEmpty(aggregate.getPrincipals())) {</span> |
| <span class="fc" id="L61"> return aggregate;</span> |
| } |
| <span class="pc bpc" id="L63" title="1 of 2 branches missed."> return info != null ? info : aggregate;</span> |
| } |
| } |
| </pre><div class="footer"><span class="right">Created with <a href="http://www.jacoco.org/jacoco">JaCoCo</a> 0.8.3.201901230119</span></div></body></html> |
