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The core JMS Client implementation
/*
* 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.qpid.jms.exceptions;
import javax.jms.IllegalStateException;
import javax.jms.IllegalStateRuntimeException;
import javax.jms.InvalidClientIDException;
import javax.jms.InvalidClientIDRuntimeException;
import javax.jms.InvalidDestinationException;
import javax.jms.InvalidDestinationRuntimeException;
import javax.jms.InvalidSelectorException;
import javax.jms.InvalidSelectorRuntimeException;
import javax.jms.JMSException;
import javax.jms.JMSRuntimeException;
import javax.jms.JMSSecurityException;
import javax.jms.JMSSecurityRuntimeException;
import javax.jms.MessageEOFException;
import javax.jms.MessageFormatException;
import javax.jms.MessageFormatRuntimeException;
import javax.jms.MessageNotWriteableException;
import javax.jms.MessageNotWriteableRuntimeException;
import javax.jms.ResourceAllocationException;
import javax.jms.ResourceAllocationRuntimeException;
import javax.jms.TransactionInProgressException;
import javax.jms.TransactionInProgressRuntimeException;
import javax.jms.TransactionRolledBackException;
import javax.jms.TransactionRolledBackRuntimeException;
/**
* Exception support class.
*
* Factory class for creating JMSException instances based on String messages or by
* wrapping other non-JMS exception.
*
* @since 1.0
*/
public final class JmsExceptionSupport {
private JmsExceptionSupport() {}
/**
* Creates or passes through a JMSException to be thrown to the client.
*
* In the event that the exception passed to this method is already a
* JMSException it is passed through unmodified, otherwise a new JMSException
* is created with the given message and the cause is set to the given
* cause Throwable instance.
*
* @param message
* The message value to set when a new JMSException is created.
* @param cause
* The exception that caused this error state.
*
* @return a JMSException instance.
*/
public static JMSException create(String message, Throwable cause) {
if (cause instanceof JMSException) {
return (JMSException) cause;
}
if (cause.getCause() instanceof JMSException) {
return (JMSException) cause.getCause();
}
if (message == null || message.isEmpty()) {
message = cause.getMessage();
if (message == null || message.isEmpty()) {
message = cause.toString();
}
}
JMSException exception = new JMSException(message);
if (cause instanceof Exception) {
exception.setLinkedException((Exception) cause);
}
exception.initCause(cause);
return exception;
}
/**
* Creates or passes through a JMSException to be thrown to the client.
*
* In the event that the exception passed to this method is already a
* JMSException it is passed through unmodified, otherwise a new JMSException
* is created using the error message taken from the given Throwable value
* and the cause value is set to the given Throwable instance.
*
* @param cause
* The exception that caused this error state.
*
* @return a JMSException instance.
*/
public static JMSException create(Throwable cause) {
return create(null, cause);
}
/**
* Creates or passes through a MessageEOFException to be thrown to the client.
*
* In the event that the exception passed to this method is already a
* MessageEOFException it is passed through unmodified, otherwise a new
* MessageEOFException is created using the error message taken from the
* given Throwable value and the cause value is set to the given Throwable
* instance.
*
* @param cause
* The exception that caused this error state.
*
* @return a MessageEOFException instance.
*/
public static MessageEOFException createMessageEOFException(Throwable cause) {
String message = cause.getMessage();
if (message == null || message.length() == 0) {
message = cause.toString();
}
MessageEOFException exception = new MessageEOFException(message);
if (cause instanceof Exception) {
exception.setLinkedException((Exception) cause);
}
exception.initCause(cause);
return exception;
}
/**
* Creates or passes through a MessageFormatException to be thrown to the client.
*
* In the event that the exception passed to this method is already a
* MessageFormatException it is passed through unmodified, otherwise a new
* MessageFormatException is created using the error message taken from the
* given Throwable value and the cause value is set to the given Throwable
* instance.
*
* @param cause
* The exception that caused this error state.
*
* @return a MessageEOFException instance.
*/
public static MessageFormatException createMessageFormatException(Throwable cause) {
String message = cause.getMessage();
if (message == null || message.length() == 0) {
message = cause.toString();
}
MessageFormatException exception = new MessageFormatException(message);
if (cause instanceof Exception) {
exception.setLinkedException((Exception) cause);
}
exception.initCause(cause);
return exception;
}
/**
* Creates the proper instance of a JMSRuntimeException based on the type
* of JMSException that is passed.
*
* @param exception
* The JMSException instance to convert to a JMSRuntimeException
*
* @return a new {@link JMSRuntimeException} instance that reflects the original error.
*/
public static JMSRuntimeException createRuntimeException(Exception exception) {
JMSRuntimeException result = null;
JMSException source = null;
if (!(exception instanceof JMSException)) {
throw new JMSRuntimeException(exception.getMessage(), null, exception);
} else {
source = (JMSException) exception;
}
if (source instanceof IllegalStateException) {
result = new IllegalStateRuntimeException(source.getMessage(), source.getErrorCode(), source);
} else if (source instanceof InvalidClientIDException) {
result = new InvalidClientIDRuntimeException(source.getMessage(), source.getErrorCode(), source);
} else if (source instanceof InvalidDestinationException) {
result = new InvalidDestinationRuntimeException(source.getMessage(), source.getErrorCode(), source);
} else if (source instanceof InvalidSelectorException) {
result = new InvalidSelectorRuntimeException(source.getMessage(), source.getErrorCode(), source);
} else if (source instanceof JMSSecurityException) {
result = new JMSSecurityRuntimeException(source.getMessage(), source.getErrorCode(), source);
} else if (source instanceof MessageFormatException) {
result = new MessageFormatRuntimeException(source.getMessage(), source.getErrorCode(), source);
} else if (source instanceof MessageNotWriteableException) {
result = new MessageNotWriteableRuntimeException(source.getMessage(), source.getErrorCode(), source);
} else if (source instanceof ResourceAllocationException) {
result = new ResourceAllocationRuntimeException(source.getMessage(), source.getErrorCode(), source);
} else if (source instanceof TransactionInProgressException) {
result = new TransactionInProgressRuntimeException(source.getMessage(), source.getErrorCode(), source);
} else if (source instanceof TransactionRolledBackException) {
result = new TransactionRolledBackRuntimeException(source.getMessage(), source.getErrorCode(), source);
} else {
result = new JMSRuntimeException(source.getMessage(), source.getErrorCode(), source);
}
return result;
}
}
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