loaderexception.java

数据仓库工具

/*
  Loader - tool for transfering data from one JDBC source to another and
  doing transformations during copy.
    Copyright (C) 2002  Together
    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
    License as published by the Free Software Foundation; either
    version 2.1 of the License, or (at your option) any later version.
    This library 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
    Lesser General Public License for more details.
    You should have received a copy of the GNU Lesser General Public
    License along with this library; if not, write to the Free Software
    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 LoaderException.java
 Date: 22.09.2001.
 @version 1.0
 @author:
 Milosevic Sinisa
 */

package org.webdocwf.util.loader;

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

/**
 *
 * LoaderException class is used for handling the exceptions in
 * Enhydra Octopus application.
 * @author Milosevic Sinisa
 * @version 1.0
 */
public class LoaderException extends Exception {

  private Throwable cause;

  /**
   * This is the public constructor with one parameter
   * @param msg is constructor argument
   */
  public LoaderException(String msg) {
    super(msg);
    cause = null;
  }

  /**
   * This is the public constructor with two parameter
   * @param msg is first constructor parameter
   * @param cause is secund constructor parameter
   */
  public LoaderException(String msg,
                         Throwable cause) {
    super(msg);
    this.cause = cause;
  }

  /**
   * This method read message from exception object
   * @return message
   */
  public String getMessage() {
    return super.getMessage();
  }

  /**
   * Gets the exception associated with this exception.
   * @return The exception or null if no cause is specified.
   */
  public Throwable getCause() {
    return cause;
  }

  /**
   * Prints this ChainedException and its backtrace, and the causes
   * and their stack traces to the standard error stream.
   */
  public void printStackTrace() {
    super.printStackTrace();
    Throwable a = new Throwable();
    a.printStackTrace();
  }

  /**
   * Prints this LoaderException and its backtrace, and the causes
   * and their stack traces to the e specified print stream.
   * @param s represents PrintWriter stream
   */
  public void printStackTrace(PrintStream s) {
    super.printStackTrace(s);
    Throwable a = new Throwable();
    a.printStackTrace(s);
  }

  /**
   * Prints this LoaderException and its backtrace, and the causes
   * and their stack traces to the specified print writer.
   * @param s represents PrintWriter stream
   */
  public void printStackTrace(PrintWriter s) {
    super.printStackTrace(s);
    Throwable a = new Throwable();
    a.printStackTrace(s);
  }
  
  /**
   * Construct string with stack trace.
   * @return String representation of stack trace.
   */
  public String getStackTraceAsString() {
	ByteArrayOutputStream out = new ByteArrayOutputStream();
   this.printStackTrace(new PrintStream(out));
  	return out.toString();
  }
}