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;
018    
019    import java.io.IOException;
020    
021    import javax.jms.JMSException;
022    
023    /**
024     * An exception thrown when the a connection failure is detected (peer might
025     * close the connection, or a keep alive times out, etc.)
026     * 
027     * 
028     */
029    public class ConnectionFailedException extends JMSException {
030    
031        private static final long serialVersionUID = 2288453203492073973L;
032    
033        public ConnectionFailedException(IOException cause) {
034            super("The JMS connection has failed: " + extractMessage(cause));
035            initCause(cause);
036            setLinkedException(cause);
037        }
038    
039        public ConnectionFailedException() {
040            super("The JMS connection has failed due to a Transport problem");
041        }
042    
043        private static String extractMessage(IOException cause) {
044            String m = cause.getMessage();
045            if (m == null || m.length() == 0) {
046                m = cause.toString();
047            }
048            return m;
049        }
050    
051    }