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 */
017package org.apache.activemq;
018
019import java.io.IOException;
020
021import 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 */
029public 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}