snmpbadconversionexception.java

来自「opennms得相关源码 请大家看看」· Java 代码 · 共 143 行

//
// This file is part of the OpenNMS(R) Application.
//
// OpenNMS(R) is Copyright (C) 2002-2003 The OpenNMS Group, Inc.  All rights reserved.
// OpenNMS(R) is a derivative work, containing both original code, included code and modified
// code that was published under the GNU General Public License. Copyrights for modified 
// and included code are below.
//
// OpenNMS(R) is a registered trademark of The OpenNMS Group, Inc.
// 
// Copyright (C) 1999-2001 Oculan Corp.  All rights reserved.
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
//
// For more information contact:
//      OpenNMS Licensing       <[e-mail]>
//      http://www.opennms.org/
//      http://www.opennms.com/
//
//
// Tab Size = 8
//

package org.opennms.protocols.snmp;

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

/**
 * Constructed when the library is unable to covert a value to another.
 * 
 * @see SnmpIPAddress#convertToIpAddress()
 * 
 * @author <a href="mailto:[e-mail]">Brian Weaver </a>
 * 
 */
public class SnmpBadConversionException extends Exception {
    /**
     * The original exception that caused this exception to be generated.
     */
    private final Exception m_chained;

    /**
     * The exception constructor.
     * 
     * @param why
     *            The message for the exception.
     */
    public SnmpBadConversionException(String why) {
        super(why);
        m_chained = null;
    }

    /**
     * The exception constructor
     * 
     * @param why
     *            The message for the exception.
     * @param reason
     *            The original exception that caused the problem
     * 
     */
    public SnmpBadConversionException(String why, Exception reason) {
        super(why);
        m_chained = reason;
    }

    /**
     * The exception constructor
     * 
     */
    public SnmpBadConversionException() {
        super();
        m_chained = null;
    }

    /**
     * Constructs a new exception which is based upon a previous exception. The
     * two exceptions are chained together internally.
     * 
     * @param reason
     *            The original exception
     */
    public SnmpBadConversionException(Exception reason) {
        super(reason.getLocalizedMessage());
        m_chained = reason;
    }

    /**
     * Prints the stack trace of the exception. If the exception has been
     * chained then the original exception is also printed to the stream.
     */
    public void printStackTrace() {
        this.printStackTrace(System.err);
    }

    /**
     * Prints the stack trace of the exception. If the exception has been
     * chained then the original exception is also printed to the stream.
     * 
     * @param writer
     *            The stream to writer the stack trace onto.
     */
    public void printStackTrace(PrintWriter writer) {
        super.printStackTrace(writer);
        if (m_chained != null) {
            writer.println("");
            writer.println("Original Reason");
            writer.println("");
            m_chained.printStackTrace(writer);
        }
    }

    /**
     * Prints the stack trace of the exception. If the exception has been
     * chained then the original exception is also printed to the stream.
     * 
     * @param stream
     *            The stream to writer the stack trace onto.
     */
    public void printStackTrace(PrintStream stream) {
        super.printStackTrace(stream);
        if (m_chained != null) {
            stream.println("");
            stream.println("Original Reason");
            stream.println("");
            m_chained.printStackTrace(stream);
        }
    }
}