| <!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>RoleAnnotationHandler xref</title> |
| <link type="text/css" rel="stylesheet" href="../../../../../stylesheet.css" /> |
| </head> |
| <body> |
| <div id="overview"><a href="../../../../../../apidocs/org/apache/shiro/authz/aop/RoleAnnotationHandler.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.authz.aop; |
| <a name="20" href="#20">20</a> |
| <a name="21" href="#21">21</a> <strong class="jxr_keyword">import</strong> org.apache.shiro.authz.AuthorizationException; |
| <a name="22" href="#22">22</a> <strong class="jxr_keyword">import</strong> org.apache.shiro.authz.annotation.Logical; |
| <a name="23" href="#23">23</a> <strong class="jxr_keyword">import</strong> org.apache.shiro.authz.annotation.RequiresRoles; |
| <a name="24" href="#24">24</a> |
| <a name="25" href="#25">25</a> <strong class="jxr_keyword">import</strong> java.lang.annotation.Annotation; |
| <a name="26" href="#26">26</a> <strong class="jxr_keyword">import</strong> java.util.Arrays; |
| <a name="27" href="#27">27</a> |
| <a name="28" href="#28">28</a> <em class="jxr_javadoccomment">/**</em> |
| <a name="29" href="#29">29</a> <em class="jxr_javadoccomment"> * Checks to see if a @{@link org.apache.shiro.authz.annotation.RequiresRoles RequiresRoles} annotation is declared, and if so, performs</em> |
| <a name="30" href="#30">30</a> <em class="jxr_javadoccomment"> * a role check to see if the calling <code>Subject</code> is allowed to proceed.</em> |
| <a name="31" href="#31">31</a> <em class="jxr_javadoccomment"> *</em> |
| <a name="32" href="#32">32</a> <em class="jxr_javadoccomment"> * @since 0.9.0</em> |
| <a name="33" href="#33">33</a> <em class="jxr_javadoccomment"> */</em> |
| <a name="34" href="#34">34</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../../org/apache/shiro/authz/aop/RoleAnnotationHandler.html">RoleAnnotationHandler</a> <strong class="jxr_keyword">extends</strong> <a href="../../../../../org/apache/shiro/authz/aop/AuthorizingAnnotationHandler.html">AuthorizingAnnotationHandler</a> { |
| <a name="35" href="#35">35</a> |
| <a name="36" href="#36">36</a> <em class="jxr_javadoccomment">/**</em> |
| <a name="37" href="#37">37</a> <em class="jxr_javadoccomment"> * Default no-argument constructor that ensures this handler looks for</em> |
| <a name="38" href="#38">38</a> <em class="jxr_javadoccomment"> * {@link org.apache.shiro.authz.annotation.RequiresRoles RequiresRoles} annotations.</em> |
| <a name="39" href="#39">39</a> <em class="jxr_javadoccomment"> */</em> |
| <a name="40" href="#40">40</a> <strong class="jxr_keyword">public</strong> <a href="../../../../../org/apache/shiro/authz/aop/RoleAnnotationHandler.html">RoleAnnotationHandler</a>() { |
| <a name="41" href="#41">41</a> <strong class="jxr_keyword">super</strong>(RequiresRoles.<strong class="jxr_keyword">class</strong>); |
| <a name="42" href="#42">42</a> } |
| <a name="43" href="#43">43</a> |
| <a name="44" href="#44">44</a> <em class="jxr_javadoccomment">/**</em> |
| <a name="45" href="#45">45</a> <em class="jxr_javadoccomment"> * Ensures that the calling <code>Subject</code> has the Annotation's specified roles, and if not, throws an</em> |
| <a name="46" href="#46">46</a> <em class="jxr_javadoccomment"> * <code>AuthorizingException</code> indicating that access is denied.</em> |
| <a name="47" href="#47">47</a> <em class="jxr_javadoccomment"> *</em> |
| <a name="48" href="#48">48</a> <em class="jxr_javadoccomment"> * @param a the RequiresRoles annotation to use to check for one or more roles</em> |
| <a name="49" href="#49">49</a> <em class="jxr_javadoccomment"> * @throws org.apache.shiro.authz.AuthorizationException</em> |
| <a name="50" href="#50">50</a> <em class="jxr_javadoccomment"> * if the calling <code>Subject</code> does not have the role(s) necessary to</em> |
| <a name="51" href="#51">51</a> <em class="jxr_javadoccomment"> * proceed.</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">void</strong> assertAuthorized(Annotation a) <strong class="jxr_keyword">throws</strong> AuthorizationException { |
| <a name="54" href="#54">54</a> <strong class="jxr_keyword">if</strong> (!(a instanceof RequiresRoles)) <strong class="jxr_keyword">return</strong>; |
| <a name="55" href="#55">55</a> |
| <a name="56" href="#56">56</a> <a href="../../../../../org/apache/shiro/authz/annotation/RequiresRoles.html">RequiresRoles</a> rrAnnotation = (RequiresRoles) a; |
| <a name="57" href="#57">57</a> String[] roles = rrAnnotation.value(); |
| <a name="58" href="#58">58</a> |
| <a name="59" href="#59">59</a> <strong class="jxr_keyword">if</strong> (roles.length == 1) { |
| <a name="60" href="#60">60</a> getSubject().checkRole(roles[0]); |
| <a name="61" href="#61">61</a> <strong class="jxr_keyword">return</strong>; |
| <a name="62" href="#62">62</a> } |
| <a name="63" href="#63">63</a> <strong class="jxr_keyword">if</strong> (Logical.AND.equals(rrAnnotation.logical())) { |
| <a name="64" href="#64">64</a> getSubject().checkRoles(Arrays.asList(roles)); |
| <a name="65" href="#65">65</a> <strong class="jxr_keyword">return</strong>; |
| <a name="66" href="#66">66</a> } |
| <a name="67" href="#67">67</a> <strong class="jxr_keyword">if</strong> (Logical.OR.equals(rrAnnotation.logical())) { |
| <a name="68" href="#68">68</a> <em class="jxr_comment">// Avoid processing exceptions unnecessarily - "delay" throwing the exception by calling hasRole first</em> |
| <a name="69" href="#69">69</a> <strong class="jxr_keyword">boolean</strong> hasAtLeastOneRole = false; |
| <a name="70" href="#70">70</a> <strong class="jxr_keyword">for</strong> (String role : roles) <strong class="jxr_keyword">if</strong> (getSubject().hasRole(role)) hasAtLeastOneRole = <strong class="jxr_keyword">true</strong>; |
| <a name="71" href="#71">71</a> <em class="jxr_comment">// Cause the exception if none of the role match, note that the exception message will be a bit misleading</em> |
| <a name="72" href="#72">72</a> <strong class="jxr_keyword">if</strong> (!hasAtLeastOneRole) getSubject().checkRole(roles[0]); |
| <a name="73" href="#73">73</a> } |
| <a name="74" href="#74">74</a> } |
| <a name="75" href="#75">75</a> |
| <a name="76" href="#76">76</a> } |
| </pre> |
| <hr/><div id="footer">This page was automatically generated by <a href="http://maven.apache.org/">Maven</a></div></body> |
| </html> |
| |