001/* 002 * Licensed to the Apache Software Foundation (ASF) under one 003 * or more contributor license agreements. See the NOTICE file 004 * distributed with this work for additional information 005 * regarding copyright ownership. The ASF licenses this file 006 * to you under the Apache License, Version 2.0 (the 007 * "License"); you may not use this file except in compliance 008 * with the License. You may obtain a copy of the License at 009 * 010 * http://www.apache.org/licenses/LICENSE-2.0 011 * 012 * Unless required by applicable law or agreed to in writing, 013 * software distributed under the License is distributed on an 014 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 015 * KIND, either express or implied. See the License for the 016 * specific language governing permissions and limitations 017 * under the License. 018 */ 019package org.apache.shiro.web.env; 020 021import org.apache.shiro.env.DefaultEnvironment; 022import org.apache.shiro.mgt.SecurityManager; 023import org.apache.shiro.web.filter.mgt.FilterChainResolver; 024import org.apache.shiro.web.mgt.WebSecurityManager; 025 026import javax.servlet.ServletContext; 027import java.util.Map; 028 029/** 030 * Default {@link WebEnvironment} implementation based on a backing {@link Map} instance. 031 * 032 * @since 1.2 033 */ 034public class DefaultWebEnvironment extends DefaultEnvironment implements MutableWebEnvironment { 035 036 private static final String DEFAULT_FILTER_CHAIN_RESOLVER_NAME = "filterChainResolver"; 037 038 private ServletContext servletContext; 039 040 public DefaultWebEnvironment() { 041 super(); 042 } 043 044 public FilterChainResolver getFilterChainResolver() { 045 return getObject(DEFAULT_FILTER_CHAIN_RESOLVER_NAME, FilterChainResolver.class); 046 } 047 048 public void setFilterChainResolver(FilterChainResolver filterChainResolver) { 049 setObject(DEFAULT_FILTER_CHAIN_RESOLVER_NAME, filterChainResolver); 050 } 051 052 @Override 053 public SecurityManager getSecurityManager() throws IllegalStateException { 054 return getWebSecurityManager(); 055 } 056 057 @Override 058 public void setSecurityManager(SecurityManager securityManager) { 059 assertWebSecurityManager(securityManager); 060 super.setSecurityManager(securityManager); 061 } 062 063 public WebSecurityManager getWebSecurityManager() { 064 SecurityManager sm = super.getSecurityManager(); 065 assertWebSecurityManager(sm); 066 return (WebSecurityManager)sm; 067 } 068 069 public void setWebSecurityManager(WebSecurityManager wsm) { 070 super.setSecurityManager(wsm); 071 } 072 073 private void assertWebSecurityManager(SecurityManager sm) { 074 if (!(sm instanceof WebSecurityManager)) { 075 String msg = "SecurityManager instance must be a " + WebSecurityManager.class.getName() + " instance."; 076 throw new IllegalStateException(msg); 077 } 078 } 079 080 public ServletContext getServletContext() { 081 return this.servletContext; 082 } 083 084 public void setServletContext(ServletContext servletContext) { 085 this.servletContext = servletContext; 086 } 087}