[jBoss-Dev] CVS update: jboss/src/main/org/jboss/utilSerializableEnumeration.java

[jBoss CVS Development]

  User: salborini
  Date: 00/07/26 15:32:57

  Added:       src/main/org/jboss/util SerializableEnumeration.java
  Log:
  This class is used for finder methods that return java.util.Enumeration
  We need to make it serializable.
  
  Revision  Changes    Path
  1.1                  jboss/src/main/org/jboss/util/SerializableEnumeration.java
  
  Index: SerializableEnumeration.java
  ===================================================================
  /*
   * jBoss, the OpenSource EJB server
   *
   * Distributable under GPL license.
   * See terms of license at gnu.org.
   */
  
  package org.jboss.util;
  import java.util.ArrayList;
  import java.util.Collection;
  import java.util.Enumeration;
  import java.util.NoSuchElementException;
  
  
  
  public class SerializableEnumeration extends ArrayList implements Enumeration {
     // Constants -----------------------------------------------------
      
     // Attributes ----------------------------------------------------
        private int index;
  
     // Static --------------------------------------------------------
     // Constructors --------------------------------------------------
        
        public SerializableEnumeration () {
                super();
                index = 0;
        }
  
        public SerializableEnumeration (Collection c) {
                super(c);
                index = 0;
        }
         
        public SerializableEnumeration (int initialCapacity) {
                super(initialCapacity);
                index = 0;
        }
         
     // Public --------------------------------------------------------
      // from java.util.Enumeration
        public boolean hasMoreElements() {
                return (index < size());
        }
        
        public Object nextElement() throws NoSuchElementException {
                try {
                        Object nextObj = get(index);
                        index++;
                        return nextObj;
                } catch (IndexOutOfBoundsException e) {
                        throw new NoSuchElementException();
                }
        }
  
  
     // Package protected ---------------------------------------------
      
     // Protected -----------------------------------------------------
      
     // Private -------------------------------------------------------
  
        private void writeObject(java.io.ObjectOutputStream out) throws 
java.io.IOException {
                // the only thing to write is the index field
        out.defaultWriteObject();
        }
        
        private void readObject(java.io.ObjectInputStream in) throws 
java.io.IOException, ClassNotFoundException {
                in.defaultReadObject();
        }
  
     // Inner classes -------------------------------------------------
  
  
  }