ejtools-cvs

[Laurent E. <let...@us...>]

Update of /cvsroot/ejtools/libraries/common/src/main/net/sourceforge/ejtools/beans
In directory usw-pr-cvs1:/tmp/cvs-serv20349

Added Files:
	Sort.java 
Log Message:
Initial Import

--- NEW FILE: Sort.java ---
package net.sourceforge.ejtools.beans;

import java.io.*;
import java.net.*;
import java.util.*;

/**
 *  Description of the Class
 *
 * @author     laurent
 * @created    24 décembre 2001
 */
public abstract class Sort
{
   /**
    *  Gets the childrenByClass attribute of the Sort class
    *
    * @param  enum  Description of Parameter
    * @param  c     Description of Parameter
    * @return       The childrenByClass value
    */
   public static Iterator getChildrenByClass(Iterator enum, Class c)
   {
      Object obj;
      Vector v = new Vector();
      while (enum.hasNext())
      {
         if (c.isAssignableFrom((obj = enum.next()).getClass()))
         {
            v.addElement(obj);
         }
      }

      return v.iterator();
   }


   /**
    *  Description of the Method
    *
    * @param  enum  Description of Parameter
    * @return       Description of the Returned Value
    */
   public static Iterator sortByClass(Iterator enum)
   {
      Vector v = new Vector();
      while (enum.hasNext())
      {
         v.addElement(enum.next());
      }

      Collections.sort(v,
         new Comparator()
         {
            public int compare(Object o1, Object o2)
            {
               return o1.getClass().getName().compareTo(o2.getClass().getName());
            }


            public boolean equals(Object obj)
            {
               return true;
               // Ever called?
            }
         });
      return v.iterator();
   }


   /**
    *  Description of the Method
    *
    * @param  enum  Description of Parameter
    * @return       Description of the Returned Value
    */
   public static Iterator sortByClassAndName(Iterator enum)
   {
      Vector v = new Vector();
      while (enum.hasNext())
      {
         v.addElement(enum.next());
      }

      Collections.sort(v,
         new Comparator()
         {
            public int compare(Object o1, Object o2)
            {
               int ret = o1.getClass().getName().compareTo(o2.getClass().getName());
               if (ret == 0)
               {
                  ret = o1.toString().compareTo(o2.toString());
               }
               return ret;
            }


            public boolean equals(Object obj)
            {
               return true;
               // Ever called?
            }
         });
      return v.iterator();
   }


   /**
    *  Description of the Method
    *
    * @param  enum  Description of Parameter
    * @return       Description of the Returned Value
    */
   public static Iterator sortByName(Iterator enum)
   {
      Vector v = new Vector();
      while (enum.hasNext())
      {
         v.addElement(enum.next());
      }

      Collections.sort(v,
         new Comparator()
         {
            public int compare(Object o1, Object o2)
            {
               return o1.toString().compareTo(o2.toString());
            }


            public boolean equals(Object obj)
            {
               return true;
               // Ever called?
            }
         });
      return v.iterator();
   }
}