startupexception.java

国外的一套开源CRM

/*
 * $Id: StartupException.java,v 1.1 2003/08/15 20:23:20 ajzeneski Exp $
 *
 * Copyright (c) 2003 The Open For Business Project - www.ofbiz.org
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included
 * in all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
 * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
 * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT
 * OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR
 * THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 *
 */
package org.ofbiz.base.start;

import java.io.PrintStream;
import java.io.PrintWriter;

/**
 * StartupException
 *
 * @author     <a href="mailto:[e-mail]">Andy Zeneski</a> 
 * @version    $Revision: 1.1 $
 * @since      2.2
 */
public class StartupException extends Exception {
    
    Throwable nested = null;

    /**
     * Creates new <code>StartupException</code> without detail message.
     */
    public StartupException() {
        super();
    }

    /**
     * Constructs an <code>StartupException</code> with the specified detail message.
     * @param msg the detail message.
     */
    public StartupException(String msg) {
        super(msg);
    }

    /**
     * Constructs an <code>StartupException</code> with the specified detail message and nested Exception.
     * @param msg the detail message.
     */
    public StartupException(String msg, Throwable nested) {
        super(msg);
        this.nested = nested;
    }

    /**
     * Constructs an <code>StartupException</code> with the specified detail message and nested Exception.
     * @param msg the detail message.
     */
    public StartupException(Throwable nested) {
        super();
        this.nested = nested;
    }

    /** Returns the detail message, including the message from the nested exception if there is one. */
    public String getMessage() {
        if (nested != null) {
            return super.getMessage() + " (" + nested.getMessage() + ")";
        } else {
            return super.getMessage();
        }
    }

    /** Returns the detail message, NOT including the message from the nested exception. */
    public String getNonNestedMessage() {
        return super.getMessage();
    }

    /** Returns the nested exception if there is one, null if there is not. */
    public Throwable getNested() {
        if (nested == null) {
            return this;
        }
        return nested;
    }

    /** Prints the composite message to System.err. */
    public void printStackTrace() {
        super.printStackTrace();
        if (nested != null) {
            nested.printStackTrace();
        }
    }

    /** Prints the composite message and the embedded stack trace to the specified stream ps. */
    public void printStackTrace(PrintStream ps) {
        super.printStackTrace(ps);
        if (nested != null) {
            nested.printStackTrace(ps);
        }
    }

    /** Prints the composite message and the embedded stack trace to the specified print writer pw. */
    public void printStackTrace(PrintWriter pw) {
        super.printStackTrace(pw);
        if (nested != null) {
            nested.printStackTrace(pw);
        }
    }
}