001    /**
002     * Licensed to the Apache Software Foundation (ASF) under one or more
003     * contributor license agreements.  See the NOTICE file distributed with
004     * this work for additional information regarding copyright ownership.
005     * The ASF licenses this file to You under the Apache License, Version 2.0
006     * (the "License"); you may not use this file except in compliance with
007     * the License.  You may obtain a copy of the License at
008     *
009     *      http://www.apache.org/licenses/LICENSE-2.0
010     *
011     * Unless required by applicable law or agreed to in writing, software
012     * distributed under the License is distributed on an "AS IS" BASIS,
013     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014     * See the License for the specific language governing permissions and
015     * limitations under the License.
016     */
017    package org.apache.activemq.security;
018    
019    import org.apache.activemq.broker.ConnectionContext;
020    import org.apache.activemq.command.Message;
021    
022    /**
023     * A plugin to allow custom message-level security checks to be performed before
024     * a message is consumed.
025     * 
026     * 
027     */
028    public interface MessageAuthorizationPolicy {
029    
030        /**
031         * Returns true if the given message is able to be dispatched to the connection
032         * performing any user
033         * 
034         * @return true if the context is allowed to consume the message
035         */
036        boolean isAllowedToConsume(ConnectionContext context, Message message);
037    
038    }