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<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;
<a name="20" href="#20">20</a>
<a name="21" href="#21">21</a> <strong class="jxr_keyword">import</strong> java.io.Serializable;
<a name="22" href="#22">22</a> <strong class="jxr_keyword">import</strong> java.util.Collection;
<a name="23" href="#23">23</a>
<a name="24" href="#24">24</a> <em class="jxr_javadoccomment">/**</em>
<a name="25" href="#25">25</a> <em class="jxr_javadoccomment"> * &lt;code&gt;AuthorizationInfo&lt;/code&gt; represents a single Subject's stored authorization data (roles, permissions, etc)</em>
<a name="26" href="#26">26</a> <em class="jxr_javadoccomment"> * used during authorization (access control) checks only.</em>
<a name="27" href="#27">27</a> <em class="jxr_javadoccomment"> * &lt;p/&gt;</em>
<a name="28" href="#28">28</a> <em class="jxr_javadoccomment"> * Roles are represented as a &lt;code&gt;Collection&lt;/code&gt; of Strings</em>
<a name="29" href="#29">29</a> <em class="jxr_javadoccomment"> * ({@link java.util.Collection Collection}&lt;{@link String String}&gt;), typically each element being the Role name.</em>
<a name="30" href="#30">30</a> <em class="jxr_javadoccomment"> * &lt;p/&gt;</em>
<a name="31" href="#31">31</a> <em class="jxr_javadoccomment"> * {@link Permission Permission}s are provided in two ways:</em>
<a name="32" href="#32">32</a> <em class="jxr_javadoccomment"> * &lt;ul&gt;</em>
<a name="33" href="#33">33</a> <em class="jxr_javadoccomment"> * &lt;li&gt;A &lt;code&gt;Collection&lt;/code&gt; of Strings, where each String can usually be converted into &lt;code&gt;Permission&lt;/code&gt;</em>
<a name="34" href="#34">34</a> <em class="jxr_javadoccomment"> * objects by a &lt;code&gt;Realm&lt;/code&gt;'s</em>
<a name="35" href="#35">35</a> <em class="jxr_javadoccomment"> * {@link org.apache.shiro.authz.permission.PermissionResolver PermissionResolver}&lt;/li&gt;</em>
<a name="36" href="#36">36</a> <em class="jxr_javadoccomment"> * &lt;li&gt;A &lt;code&gt;Collection&lt;/code&gt; of {@link Permission Permission} objects&lt;/li&gt;</em>
<a name="37" href="#37">37</a> <em class="jxr_javadoccomment"> * &lt;/ul&gt;</em>
<a name="38" href="#38">38</a> <em class="jxr_javadoccomment"> * Both permission collections together represent the total aggregate collection of permissions. You may use one</em>
<a name="39" href="#39">39</a> <em class="jxr_javadoccomment"> * or both depending on your preference and needs.</em>
<a name="40" href="#40">40</a> <em class="jxr_javadoccomment"> * &lt;p/&gt;</em>
<a name="41" href="#41">41</a> <em class="jxr_javadoccomment"> * Because the act of authorization (access control) is orthoganal to authentication (log-in), this interface is</em>
<a name="42" href="#42">42</a> <em class="jxr_javadoccomment"> * intended to represent only the account data needed by Shiro during an access control check</em>
<a name="43" href="#43">43</a> <em class="jxr_javadoccomment"> * (role, permission, etc). Shiro also has a parallel</em>
<a name="44" href="#44">44</a> <em class="jxr_javadoccomment"> * {@link org.apache.shiro.authc.AuthenticationInfo AuthenticationInfo} interface for use during the authentication</em>
<a name="45" href="#45">45</a> <em class="jxr_javadoccomment"> * process that represents identity data such as principals and credentials.</em>
<a name="46" href="#46">46</a> <em class="jxr_javadoccomment"> * &lt;p/&gt;</em>
<a name="47" href="#47">47</a> <em class="jxr_javadoccomment"> * Because many if not most {@link org.apache.shiro.realm.Realm Realm}s store both sets of data for a Subject, it might be</em>
<a name="48" href="#48">48</a> <em class="jxr_javadoccomment"> * convenient for a &lt;code&gt;Realm&lt;/code&gt; implementation to utilize an implementation of the</em>
<a name="49" href="#49">49</a> <em class="jxr_javadoccomment"> * {@link org.apache.shiro.authc.Account Account} interface instead, which is a convenience interface that combines both</em>
<a name="50" href="#50">50</a> <em class="jxr_javadoccomment"> * &lt;code&gt;AuthenticationInfo&lt;/code&gt; and &lt;code&gt;AuthorizationInfo&lt;/code&gt;. Whether you choose to implement these two</em>
<a name="51" href="#51">51</a> <em class="jxr_javadoccomment"> * interfaces separately or implement the one &lt;code&gt;Account&lt;/code&gt; interface for a given &lt;code&gt;Realm&lt;/code&gt; is</em>
<a name="52" href="#52">52</a> <em class="jxr_javadoccomment"> * entirely based on your application's needs or your preferences.</em>
<a name="53" href="#53">53</a> <em class="jxr_javadoccomment"> *</em>
<a name="54" href="#54">54</a> <em class="jxr_javadoccomment"> * @see org.apache.shiro.authc.AuthenticationInfo AuthenticationInfo</em>
<a name="55" href="#55">55</a> <em class="jxr_javadoccomment"> * @see org.apache.shiro.authc.Account</em>
<a name="56" href="#56">56</a> <em class="jxr_javadoccomment"> * @since 0.9</em>
<a name="57" href="#57">57</a> <em class="jxr_javadoccomment"> */</em>
<a name="58" href="#58">58</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">interface</strong> <a href="../../../../org/apache/shiro/authz/AuthorizationInfo.html">AuthorizationInfo</a> <strong class="jxr_keyword">extends</strong> Serializable {
<a name="59" href="#59">59</a>
<a name="60" href="#60">60</a> <em class="jxr_javadoccomment">/**</em>
<a name="61" href="#61">61</a> <em class="jxr_javadoccomment"> * Returns the names of all roles assigned to a corresponding Subject.</em>
<a name="62" href="#62">62</a> <em class="jxr_javadoccomment"> *</em>
<a name="63" href="#63">63</a> <em class="jxr_javadoccomment"> * @return the names of all roles assigned to a corresponding Subject.</em>
<a name="64" href="#64">64</a> <em class="jxr_javadoccomment"> */</em>
<a name="65" href="#65">65</a> Collection&lt;String&gt; getRoles();
<a name="66" href="#66">66</a>
<a name="67" href="#67">67</a> <em class="jxr_javadoccomment">/**</em>
<a name="68" href="#68">68</a> <em class="jxr_javadoccomment"> * Returns all string-based permissions assigned to the corresponding Subject. The permissions here plus those</em>
<a name="69" href="#69">69</a> <em class="jxr_javadoccomment"> * returned from {@link #getObjectPermissions() getObjectPermissions()} represent the total set of permissions</em>
<a name="70" href="#70">70</a> <em class="jxr_javadoccomment"> * assigned. The aggregate set is used to perform a permission authorization check.</em>
<a name="71" href="#71">71</a> <em class="jxr_javadoccomment"> * &lt;p/&gt;</em>
<a name="72" href="#72">72</a> <em class="jxr_javadoccomment"> * This method is a convenience mechanism that allows Realms to represent permissions as Strings if they choose.</em>
<a name="73" href="#73">73</a> <em class="jxr_javadoccomment"> * When performing a security check, a &lt;code&gt;Realm&lt;/code&gt; usually converts these strings to object</em>
<a name="74" href="#74">74</a> <em class="jxr_javadoccomment"> * {@link Permission Permission}s via an internal</em>
<a name="75" href="#75">75</a> <em class="jxr_javadoccomment"> * {@link org.apache.shiro.authz.permission.PermissionResolver PermissionResolver}</em>
<a name="76" href="#76">76</a> <em class="jxr_javadoccomment"> * in order to perform the actual permission check. This is not a requirement of course, since &lt;code&gt;Realm&lt;/code&gt;s</em>
<a name="77" href="#77">77</a> <em class="jxr_javadoccomment"> * can perform security checks in whatever manner deemed necessary, but this explains the conversion mechanism that</em>
<a name="78" href="#78">78</a> <em class="jxr_javadoccomment"> * most Shiro Realms execute for string-based permission checks.</em>
<a name="79" href="#79">79</a> <em class="jxr_javadoccomment"> *</em>
<a name="80" href="#80">80</a> <em class="jxr_javadoccomment"> * @return all string-based permissions assigned to the corresponding Subject.</em>
<a name="81" href="#81">81</a> <em class="jxr_javadoccomment"> */</em>
<a name="82" href="#82">82</a> Collection&lt;String&gt; getStringPermissions();
<a name="83" href="#83">83</a>
<a name="84" href="#84">84</a> <em class="jxr_javadoccomment">/**</em>
<a name="85" href="#85">85</a> <em class="jxr_javadoccomment"> * Returns all type-safe {@link Permission Permission}s assigned to the corresponding Subject. The permissions</em>
<a name="86" href="#86">86</a> <em class="jxr_javadoccomment"> * returned from this method plus any returned from {@link #getStringPermissions() getStringPermissions()}</em>
<a name="87" href="#87">87</a> <em class="jxr_javadoccomment"> * represent the total set of permissions. The aggregate set is used to perform a permission authorization check.</em>
<a name="88" href="#88">88</a> <em class="jxr_javadoccomment"> *</em>
<a name="89" href="#89">89</a> <em class="jxr_javadoccomment"> * @return all type-safe {@link Permission Permission}s assigned to the corresponding Subject.</em>
<a name="90" href="#90">90</a> <em class="jxr_javadoccomment"> */</em>
<a name="91" href="#91">91</a> Collection&lt;Permission&gt; getObjectPermissions();
<a name="92" href="#92">92</a> }
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