/*

  * 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.web.env;

 import org.apache.shiro.env.Environment;

 import org.apache.shiro.web.filter.mgt.FilterChainResolver;

 import org.apache.shiro.web.mgt.WebSecurityManager;

 import javax.servlet.ServletContext;

 /**

  * A web-specific {@link Environment} instance, used in web applications.

  *

  * @since 1.2

  */

 public interface WebEnvironment extends Environment {

     /**

      * Returns the web application's {@code FilterChainResolver} if one has been configured or {@code null} if one

      * is not available.

      *

      * @return the web application's {@code FilterChainResolver} if one has been configured or {@code null} if one

      *         is not available.

      */

     FilterChainResolver getFilterChainResolver();

     /**

      * Returns the {@code ServletContext} associated with this {@code WebEnvironment} instance.  A web application

      * typically only has a single {@code WebEnvironment} associated with its {@code ServletContext}.

      *

      * @return the {@code ServletContext} associated with this {@code WebEnvironment} instance.

      */

     ServletContext getServletContext();

     /**

      * Returns the web application's security manager instance.

      *

      * @return the web application's security manager instance.

      */

     WebSecurityManager getWebSecurityManager();

 }