openwire-core/src/main/java/org/apache/activemq/openwire/utils/ExceptionSupport.java

/**
 * 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.activemq.openwire.utils;

import javax.jms.JMSException;
import javax.jms.MessageEOFException;
import javax.jms.MessageFormatException;

/**
 * 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 ExceptionSupport {

    private ExceptionSupport() {}

    public static JMSException create(String msg, Throwable cause) {
        JMSException exception = new JMSException(msg);
        exception.initCause(cause);
        return exception;
    }

    public static JMSException create(String msg, Exception cause) {
        JMSException exception = new JMSException(msg);
        exception.setLinkedException(cause);
        exception.initCause(cause);
        return exception;
    }

    public static JMSException create(Throwable cause) {
        if (cause instanceof JMSException) {
            return (JMSException) cause;
        }
        if (cause.getCause() instanceof JMSException) {
            return (JMSException) cause.getCause();
        }

        String msg = cause.getMessage();
        if (msg == null || msg.length() == 0) {
            msg = cause.toString();
        }
        JMSException exception = new JMSException(msg);
        exception.initCause(cause);
        return exception;
    }

    public static JMSException create(Exception cause) {
        if (cause instanceof JMSException) {
            return (JMSException) cause;
        }
        if (cause.getCause() instanceof JMSException) {
            return (JMSException) cause.getCause();
        }

        String msg = cause.getMessage();
        if (msg == null || msg.length() == 0) {
            msg = cause.toString();
        }
        JMSException exception = new JMSException(msg);
        exception.setLinkedException(cause);
        exception.initCause(cause);
        return exception;
    }

    public static MessageEOFException createMessageEOFException(Exception cause) {
        String msg = cause.getMessage();
        if (msg == null || msg.length() == 0) {
            msg = cause.toString();
        }
        MessageEOFException exception = new MessageEOFException(msg);
        exception.setLinkedException(cause);
        exception.initCause(cause);
        return exception;
    }

    public static MessageFormatException createMessageFormatException(Throwable cause) {
        String msg = cause.getMessage();
        if (msg == null || msg.length() == 0) {
            msg = cause.toString();
        }
        MessageFormatException exception = new MessageFormatException(msg);
        exception.initCause(cause);
        return exception;
    }
}