org.apache.commons.daemon.DaemonInitException.java Source code

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Here is the source code for org.apache.commons.daemon.DaemonInitException.java

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/*
 *  Copyright 2010 Media Service Provider Ltd
 *
 *  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.apache.commons.daemon;

/**
 * Throw this during init if you can't initialise yourself for some expected 
 * reason.  Using this exception will cause the exception's message to come out
 * on stdout, rather than a dirty great stacktrace.
 * @author Nick Griffiths (nicobrevin@gmail.com)
 * @version $Id: DaemonInitException.java 1204007 2011-11-19 16:10:29Z ggregory $
 */
public class DaemonInitException extends Exception {

    //don't rely on Throwable#getCause (jdk1.4)
    private final Throwable cause;

    public DaemonInitException(String message) {
        super(message);
        this.cause = null;
    }

    public DaemonInitException(String message, Throwable cause) {
        super(message);
        this.cause = cause;
    }

    public String getMessageWithCause() {
        String extra = this.cause == null ? "" : ": " + this.cause.getMessage();
        return getMessage() + extra;
    }

}