/*
* Copyright 2002-2009 the original author or authors.
*
* Licensed 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.springframework.jms;
import javax.jms.JMSException;
import org.springframework.core.NestedRuntimeException;
/**
* Base class for exception thrown by the framework whenever it
* encounters a problem related to JMS.
*
* @author Mark Pollack
* @author Juergen Hoeller
* @since 1.1
*/
public abstract class JmsException extends NestedRuntimeException {
/**
* Constructor that takes a message.
* @param msg the detail message
*/
public JmsException(String msg) {
super(msg);
}
/**
* Constructor that takes a message and a root cause.
* @param msg the detail message
* @param cause the cause of the exception. This argument is generally
* expected to be a proper subclass of {@link javax.jms.JMSException},
* but can also be a JNDI NamingException or the like.
*/
public JmsException(String msg, Throwable cause) {
super(msg, cause);
}
/**
* Constructor that takes a plain root cause, intended for
* subclasses mirroring corresponding <code>javax.jms</code> exceptions.
* @param cause the cause of the exception. This argument is generally
* expected to be a proper subclass of {@link javax.jms.JMSException}.
*/
public JmsException(Throwable cause) {
super(cause != null ? cause.getMessage() : null, cause);
}
/**
* Convenience method to get the vendor specific error code if
* the root cause was an instance of JMSException.
* @return a string specifying the vendor-specific error code if the
* root cause is an instance of JMSException, or <code>null</code>
*/
public String getErrorCode() {
Throwable cause = getCause();
if (cause instanceof JMSException) {
return ((JMSException) cause).getErrorCode();
}
return null;
}
/**
* Return the detail message, including the message from the linked exception
* if there is one.
* @see javax.jms.JMSException#getLinkedException()
*/
public String getMessage() {
String message = super.getMessage();
Throwable cause = getCause();
if (cause instanceof JMSException) {
Exception linkedEx = ((JMSException) cause).getLinkedException();
if (linkedEx != null) {
String linkedMessage = linkedEx.getMessage();
String causeMessage = cause.getMessage();
if (linkedMessage != null && (causeMessage == null || !causeMessage.contains(linkedMessage))) {
message = message + "; nested exception is " + linkedEx;
}
}
}
return message;
}
}
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