/*
 * 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
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 * 5. Products derived from this software may not be called "Apache"
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 * 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
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 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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 * ====================================================================
 *
 * This software consists of voluntary contributions made by many
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 */

package org.apache.tools.ant.taskdefs;

import org.apache.tools.ant.*;
import java.io.*;
import java.util.*;
import java.text.*;

/**
 * Sets TSTAMP, DSTAMP and TODAY
 *
 * @author costin@dnt.ro
 * @author stefano@apache.org
 * @author roxspring@yahoo.com
 */
public class Tstamp extends Task {
	
	private Vector customTimeStamps = new Vector();

    public void execute() throws BuildException {
        try {
            Date d = new Date();

            SimpleDateFormat dstamp = new SimpleDateFormat ("yyyyMMdd");
            project.setProperty("DSTAMP", dstamp.format(d));

            SimpleDateFormat tstamp = new SimpleDateFormat ("HHmm");
            project.setProperty("TSTAMP", tstamp.format(d));

            SimpleDateFormat today  = new SimpleDateFormat ("MMMM d yyyy", Locale.US);
            project.setProperty("TODAY", today.format(d));
            
            Enumeration i = customTimeStamps.elements();
            while(i.hasMoreElements())
            {
            	CustomTimeStamp cts = (CustomTimeStamp)i.nextElement();
            	cts.execute(project,d);
            }
            
        } catch (Exception e) {
            throw new BuildException(e);
        }
    }
    
    public CustomTimeStamp createProperty()
    {
    	CustomTimeStamp cts = new CustomTimeStamp();
    	customTimeStamps.addElement(cts);
    	return cts;
    }
    
    public class CustomTimeStamp
    {
    	private String name;
    	private String pattern;
    	
    	public CustomTimeStamp()
    	{
    	}
    	
    	public void setName(String name)
    	{
    		this.name = name;
    	}
    	
    	public void setPattern(String pattern)
    	{
    		this.pattern = pattern;
    	}
    	
    	public void execute(Project project, Date date)
    	{
            SimpleDateFormat sdf = new SimpleDateFormat (pattern);
            project.setProperty(name, sdf.format(date));
    	}
    }
}