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/**
 * JAFER Toolkit Poject.
 * Copyright (C) 2002, JAFER Toolkit Project, Oxford University.
 *
 * 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
 *
 *
 */

/**
 *  Title: JAFER Toolkit
 *  Description:
 *  Copyright: Copyright (c) 2001
 *  Company: Oxford University
 *
 *@author     Antony Corfield; Matthew Dovey; Colin Tatham
 *@version    1.0
 */

package org.jafer.exception;
import org.jafer.record.Diagnostic;

public class JaferException extends Exception{

  private Diagnostic diagnostic;
  private int diagCondition;
  private String addInfo = "";

/**
 * Creates new JaferException with null as its detail message.
 * The cause is not initialized, and may subsequently be initialized by a
 * call to Throwable.initCause(java.lang.Throwable).
 */
  public JaferException() {
  }

/**
 * Creates new JaferException with the specified detail message.
 * The cause is not initialized, and may subsequently be initialized by a
 * call to Throwable.initCause(java.lang.Throwable).
 * @param message the detail message.
 */
  public JaferException(String message) {
    super(message);
  }

/**
 * Creates new JaferException with the specified detail message
 * and cause
 * @param message the detail message (which is saved for later retrieval by
 *  the Throwable.getMessage() method).
 * @param cause the cause (which is saved for later retrieval by the
 *  Throwable.getCause() method). A null value is permitted, and indicates that
 *  the cause is nonexistent or unknown.
 */
  public JaferException(String message, Throwable cause) {
    super(message, cause);
  }

/**
 * Constructs a new exception with the specified cause and a detail message of
 * (cause==null ? null : cause.toString()) which typically contains the class
 * and detail message of cause). This constructor is useful for exceptions that
 * are little more than wrappers for other throwables
 * @param cause the cause (which is saved for later retrieval by the
 *  Throwable.getCause() method). A null value is permitted, and indicates that
 *  the cause is nonexistent or unknown.
 */
  public JaferException(Throwable cause) {
    super(cause);
  }

  public JaferException(String message, int diagCondition, String addInfo) {

    super(message);
    this.diagCondition = diagCondition;
    this.addInfo = addInfo;
  }

  public int getDiagCondition() {

    return diagCondition;
  }

  public String getAddInfo() {

    return addInfo;
  }

  public JaferException(String message, Diagnostic diagnostic) {

    super(message);
    this.diagnostic = diagnostic;
    try {
      this.diagCondition = diagnostic.getCondition();
      this.addInfo = diagnostic.getAddInfo();
    }
    catch (Exception ex) {} // catches null pointer if null Diagnostic param passed.
    // also RecordException
  }

  public Diagnostic getDiagnostic() {

    return diagnostic;
  }


  public boolean hasDiagnostic() {

    return !(diagnostic == null);
  }
}