/*

   Derby - Class org.apache.derbyBuild.splitmessages

   Copyright 2000, 2004 The Apache Software Foundation or its licensors, as applicable.

   Licensed under the Apache License, Version 2.0 (the "License");
   you may not use this file except in compliance with the License.
   You may obtain a copy of the License at

      http://www.apache.org/licenses/LICENSE-2.0

   Unless required by applicable law or agreed to in writing, software
   distributed under the License is distributed on an "AS IS" BASIS,
   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   See the License for the specific language governing permissions and
   limitations under the License.

 */

package org.apache.derbyBuild;

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

import org.apache.derby.iapi.services.i18n.MessageService;

public class splitmessages {
	/**
		arg[0] is the destination directory
		arg[1] is the source file.
	*/

	public static void main(String[] args) throws Exception {


		Properties p = new Properties();

		File dir = new File(args[0]);

		File source = new File(args[1]);
		String s = source.getName();
		// loose the suffix
		s = s.substring(0, s.lastIndexOf('.'));
		// now get the locale
		String locale = s.substring(s.indexOf('_'));

		boolean addBase = "_en".equals(locale);


		InputStream is = new BufferedInputStream(new FileInputStream(source), 64 * 1024);

		p.load(is);
		is.close();


		Properties[] c = new Properties[50];
		for (int i = 0; i < 50; i++) {
			c[i] = new Properties();
		}

		for (Enumeration e = p.keys(); e.hasMoreElements(); ) {
			String key = (String) e.nextElement();

			c[MessageService.hashString50(key)].put(key, p.getProperty(key));
		}

		for (int i = 0; i < 50; i++) {
			if (c[i].size() == 0)
				continue;
			OutputStream fos = new BufferedOutputStream(
				new FileOutputStream(new File(dir, "m"+i+locale+".properties")), 16 * 1024);

			c[i].save(fos, (String) null);
			fos.flush();
			fos.close();

			if (addBase) {
				// add duplicate english file as the base
				fos = new BufferedOutputStream(
					new FileOutputStream(new File(dir, "m"+i+".properties")), 16 * 1024);
				c[i].save(fos, (String) null);
				fos.flush();
				fos.close();
			}


		}

		System.out.println("split messages" + locale);
	}
}