clientabortexception.java

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/*
 * $Header: /home/cvs/jakarta-tomcat-catalina/catalina/src/share/org/apache/catalina/connector/ClientAbortException.java,v 1.1 2003/02/22 14:56:35 glenn Exp $
 * $Revision: 1.1 $
 * $Date: 2003/02/22 14:56:35 $
 *
 * ====================================================================
 *
 * The Apache Software License, Version 1.1
 *
 * Copyright (c) 1999 The Apache Software Foundation.  All rights
 * reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in
 *    the documentation and/or other materials provided with the
 *    distribution.
 *
 * 3. The end-user documentation included with the redistribution, if
 *    any, must include the following acknowlegement:
 *       "This product includes software developed by the
 *        Apache Software Foundation (http://www.apache.org/)."
 *    Alternately, this acknowlegement may appear in the software itself,
 *    if and wherever such third-party acknowlegements normally appear.
 *
 * 4. The names "The Jakarta Project", "Tomcat", and "Apache Software
 *    Foundation" must not be used to endorse or promote products derived
 *    from this software without prior written permission. For written
 *    permission, please contact [e-mail].
 *
 * 5. Products derived from this software may not be called "Apache"
 *    nor may "Apache" appear in their names without prior written
 *    permission of the Apache Group.
 *
 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED.  IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 * ====================================================================
 *
 * This software consists of voluntary contributions made by many
 * individuals on behalf of the Apache Software Foundation.  For more
 * information on the Apache Software Foundation, please see
 * <http://www.apache.org/>.
 *
 * [Additional notices, if required by prior licensing conditions]
 *
 */


package org.apache.catalina.connector;

import java.io.IOException;

/**
 * Wrap an IOException identifying it as being caused by an abort
 * of a request by a remote client.
 *
 * @author Glenn L. Nielsen
 * @version $Revision: 1.1 $ $Date: 2003/02/22 14:56:35 $
 */

public final class ClientAbortException extends IOException {


    //------------------------------------------------------------ Constructors


    /**
     * Construct a new ClientAbortException with no other information.
     */
    public ClientAbortException() {

        this(null, null);

    }


    /**
     * Construct a new ClientAbortException for the specified message.
     *
     * @param message Message describing this exception
     */
    public ClientAbortException(String message) {

        this(message, null);

    }


    /**
     * Construct a new ClientAbortException for the specified throwable.
     *
     * @param throwable Throwable that caused this exception
     */
    public ClientAbortException(Throwable throwable) {

        this(null, throwable);

    }


    /**
     * Construct a new ClientAbortException for the specified message
     * and throwable.
     *
     * @param message Message describing this exception
     * @param throwable Throwable that caused this exception
     */
    public ClientAbortException(String message, Throwable throwable) {

        super();
        this.message = message;
        this.throwable = throwable;

    }


    //------------------------------------------------------ Instance Variables


    /**
     * The error message passed to our constructor (if any)
     */
    protected String message = null;


    /**
     * The underlying exception or error passed to our constructor (if any)
     */
    protected Throwable throwable = null;


    //---------------------------------------------------------- Public Methods


    /**
     * Returns the message associated with this exception, if any.
     */
    public String getMessage() {

        return (message);

    }


    /**
     * Returns the throwable that caused this exception, if any.
     */
    public Throwable getThrowable() {

        return (throwable);

    }


    /**
     * Return a formatted string that describes this exception.
     */
    public String toString() {

        StringBuffer sb = new StringBuffer("ClientAbortException:  ");
        if (message != null) {
            sb.append(message);
            if (throwable != null) {
                sb.append(":  ");
            }
        }
        if (throwable != null) {
            sb.append(throwable.toString());
        }
        return (sb.toString());

    }


}