cvs commit: jakarta-slide/src/share/org/apache/slide/common NestedSlideException.java

[re...@apache.org]

remm        01/07/23 18:09:58

  Added:       src/share/org/apache/slide/common NestedSlideException.java
  Log:
  - Move the nested exception code to common.
  
  Revision  Changes    Path
  1.1                  jakarta-slide/src/share/org/apache/slide/common/NestedSlideException.java
  
  Index: NestedSlideException.java
  ===================================================================
  /*
   * $Header: /home/cvs/jakarta-slide/src/share/org/apache/slide/common/NestedSlideException.java,v 1.1 2001/07/24 01:09:58 remm Exp $
   * $Revision: 1.1 $
   * $Date: 2001/07/24 01:09:58 $
   *
   * ====================================================================
   *
   * 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 apache@apache.org.
   *
   * 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.slide.common;
  
  import java.util.Vector;
  import java.util.Enumeration;
  
  /**
   * Nested Slide exception.
   * 
   * @author <a href="mailto:remm@apache.org">Remy Maucherat</a>
   * @version $Revision: 1.1 $
   */
  public class NestedSlideException extends SlideException {
      
      
      // ----------------------------------------------------------- Constructors
      
      
      /**
       * Constructor.
       */
      public NestedSlideException(String message) {
          super(message, false);
          exceptions = new Vector();
      }
      
      
      // ----------------------------------------------------- Instance Variables
      
      
      /**
       * Vector of exceptions which have been put in this exception.
       */
      protected Vector exceptions;
      
      
      // ------------------------------------------------------------- Properties
      
      
      /**
       * Add a new nested exception.
       * 
       * @param exception Exception to be added
       */
      public void addException(SlideException exception) {
          exceptions.addElement(exception);
      }
      
      
      /**
       * Enumerate nested exceptions.
       * 
       * @return Enumeration nested exceptions list
       */
      public Enumeration enumerateExceptions() {
          return exceptions.elements();
      }
      
      
      /**
       * Returns true if no exceptions have been put in this exception.
       * 
       * @return boolean
       */
      public boolean isEmpty() {
          return exceptions.isEmpty();
      }
      
      
      // --------------------------------------------------------- Object Methods
      
      
      /**
       * Displays the exception message.
       * 
       * @return String exception message
       */
      public String toString() {
          String result = new String();
          Enumeration list = exceptions.elements();
          while (list.hasMoreElements()) {
              SlideException e = (SlideException) list.nextElement();
              result = result + e.getMessage() + "\n";
          }
          return result;
      }
      
  }