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| <FONT color="green">001</FONT> /*<a name="line.1"></a> |
| <FONT color="green">002</FONT> * Licensed to the Apache Software Foundation (ASF) under one<a name="line.2"></a> |
| <FONT color="green">003</FONT> * or more contributor license agreements. See the NOTICE file<a name="line.3"></a> |
| <FONT color="green">004</FONT> * distributed with this work for additional information<a name="line.4"></a> |
| <FONT color="green">005</FONT> * regarding copyright ownership. The ASF licenses this file<a name="line.5"></a> |
| <FONT color="green">006</FONT> * to you under the Apache License, Version 2.0 (the<a name="line.6"></a> |
| <FONT color="green">007</FONT> * "License"); you may not use this file except in compliance<a name="line.7"></a> |
| <FONT color="green">008</FONT> * with the License. You may obtain a copy of the License at<a name="line.8"></a> |
| <FONT color="green">009</FONT> *<a name="line.9"></a> |
| <FONT color="green">010</FONT> * http://www.apache.org/licenses/LICENSE-2.0<a name="line.10"></a> |
| <FONT color="green">011</FONT> *<a name="line.11"></a> |
| <FONT color="green">012</FONT> * Unless required by applicable law or agreed to in writing,<a name="line.12"></a> |
| <FONT color="green">013</FONT> * software distributed under the License is distributed on an<a name="line.13"></a> |
| <FONT color="green">014</FONT> * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY<a name="line.14"></a> |
| <FONT color="green">015</FONT> * KIND, either express or implied. See the License for the<a name="line.15"></a> |
| <FONT color="green">016</FONT> * specific language governing permissions and limitations<a name="line.16"></a> |
| <FONT color="green">017</FONT> * under the License.<a name="line.17"></a> |
| <FONT color="green">018</FONT> */<a name="line.18"></a> |
| <FONT color="green">019</FONT> package org.apache.shiro.authz.permission;<a name="line.19"></a> |
| <FONT color="green">020</FONT> <a name="line.20"></a> |
| <FONT color="green">021</FONT> import org.apache.shiro.authz.Permission;<a name="line.21"></a> |
| <FONT color="green">022</FONT> <a name="line.22"></a> |
| <FONT color="green">023</FONT> /**<a name="line.23"></a> |
| <FONT color="green">024</FONT> * A {@code PermisisonResolver} resolves a String value and converts it into a<a name="line.24"></a> |
| <FONT color="green">025</FONT> * {@link org.apache.shiro.authz.Permission Permission} instance.<a name="line.25"></a> |
| <FONT color="green">026</FONT> * <p/><a name="line.26"></a> |
| <FONT color="green">027</FONT> * The default {@link WildcardPermissionResolver} should be<a name="line.27"></a> |
| <FONT color="green">028</FONT> * suitable for most purposes, which constructs {@link WildcardPermission} objects.<a name="line.28"></a> |
| <FONT color="green">029</FONT> * However, any resolver may be configured if an application wishes to use different<a name="line.29"></a> |
| <FONT color="green">030</FONT> * {@link org.apache.shiro.authz.Permission} implementations.<a name="line.30"></a> |
| <FONT color="green">031</FONT> * <p/><a name="line.31"></a> |
| <FONT color="green">032</FONT> * A {@code PermissionResolver} is used by many Shiro components such as annotations, property file<a name="line.32"></a> |
| <FONT color="green">033</FONT> * configuration, URL configuration, etc. It is useful whenever a String representation of a permission is specified<a name="line.33"></a> |
| <FONT color="green">034</FONT> * and that String needs to be converted to a Permission instance before executing a security check.<a name="line.34"></a> |
| <FONT color="green">035</FONT> * <p/><a name="line.35"></a> |
| <FONT color="green">036</FONT> * Shiro chooses to support {@link WildcardPermission Wildcardpermission}s by default in almost all components and<a name="line.36"></a> |
| <FONT color="green">037</FONT> * we do that in the form of the {@link WildcardPermissionResolver WildcardPermissionResolver}. One of the nice<a name="line.37"></a> |
| <FONT color="green">038</FONT> * things about {@code WildcardPermission}s being supported by default is that it makes it very easy to<a name="line.38"></a> |
| <FONT color="green">039</FONT> * store complex permissions in the database - and also makes it very easy to represent permissions in JSP files,<a name="line.39"></a> |
| <FONT color="green">040</FONT> * annotations, etc., where a simple string representation is useful.<a name="line.40"></a> |
| <FONT color="green">041</FONT> * <p/><a name="line.41"></a> |
| <FONT color="green">042</FONT> * Although this happens to be the Shiro default, you are of course free to provide custom<a name="line.42"></a> |
| <FONT color="green">043</FONT> * String-to-Permission conversion by providing Shiro components any instance of this interface.<a name="line.43"></a> |
| <FONT color="green">044</FONT> *<a name="line.44"></a> |
| <FONT color="green">045</FONT> * @see org.apache.shiro.authz.ModularRealmAuthorizer#setPermissionResolver(PermissionResolver) ModularRealmAuthorizer.setPermissionResolver<a name="line.45"></a> |
| <FONT color="green">046</FONT> * @see org.apache.shiro.realm.AuthorizingRealm#setPermissionResolver(PermissionResolver) AuthorizingRealm.setPermissionResolver<a name="line.46"></a> |
| <FONT color="green">047</FONT> * @see PermissionResolverAware PermissionResolverAware<a name="line.47"></a> |
| <FONT color="green">048</FONT> * @since 0.9<a name="line.48"></a> |
| <FONT color="green">049</FONT> */<a name="line.49"></a> |
| <FONT color="green">050</FONT> public interface PermissionResolver {<a name="line.50"></a> |
| <FONT color="green">051</FONT> <a name="line.51"></a> |
| <FONT color="green">052</FONT> /**<a name="line.52"></a> |
| <FONT color="green">053</FONT> * Resolves a Permission based on the given String representation.<a name="line.53"></a> |
| <FONT color="green">054</FONT> *<a name="line.54"></a> |
| <FONT color="green">055</FONT> * @param permissionString the String representation of a permission.<a name="line.55"></a> |
| <FONT color="green">056</FONT> * @return A Permission object that can be used internally to determine a subject's permissions.<a name="line.56"></a> |
| <FONT color="green">057</FONT> * @throws InvalidPermissionStringException<a name="line.57"></a> |
| <FONT color="green">058</FONT> * if the permission string is not valid for this resolver.<a name="line.58"></a> |
| <FONT color="green">059</FONT> */<a name="line.59"></a> |
| <FONT color="green">060</FONT> Permission resolvePermission(String permissionString);<a name="line.60"></a> |
| <FONT color="green">061</FONT> <a name="line.61"></a> |
| <FONT color="green">062</FONT> }<a name="line.62"></a> |
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