/*
 * (c) Copyright 2004, 2005, 2006, 2007 Hewlett-Packard Development Company, LP
 * [See end of file]
 */

package arqo;

import java.io.File;
import java.io.FileOutputStream;

import com.hp.hpl.jena.rdf.model.Model;
import com.hp.hpl.jena.rdf.model.ModelFactory;
import com.hp.hpl.jena.util.FileManager;

public class aggregate {
	private static String inDirectoryName = null;
	private static String outFileName = null;
	private static String format = null;
	
	public static void main(String[] args) 
	{
		try
		{
			Model model = ModelFactory.createDefaultModel();
			
			readCmdParams(args);
			
			File file = new File(inDirectoryName);		
			String[] filelist = file.list();
			
			for (int i = 0; i < filelist.length; i++)
			{
				Model tmodel ;
			
				System.out.println("Loading: " + filelist[i]);
				
				if (format == null)
					tmodel = FileManager.get().loadModel(inDirectoryName + "/" + filelist[i]);
				else
					tmodel = FileManager.get().loadModel(inDirectoryName + "/" + filelist[i], format);
				
				model.add(tmodel);
			}
			
			System.out.println("Writing model ...");
			
			FileOutputStream out = new FileOutputStream(outFileName);
			model.write(out);
			out.close();
			model.close();
		} catch (Exception e) { e.printStackTrace(); } 

	}

	private static void readCmdParams(String[] args) throws Exception
	{
		for (int i = 0; i < args.length; i++)
		{
			if (args[i].equals("--dir"))
				inDirectoryName = args[i+1];
			else if (args[i].equals("--out"))
				outFileName = args[i+1];
			else if (args[i].equals("--format"))
				format = args[i+1];
			else if (args[i].equals("--help"))
				usage();
		}

		if (inDirectoryName == null)
			throw new Exception("Please provide the --dir param");
		if (outFileName == null)
			throw new Exception("Please provide the --out param");
	}
	
	private static void usage()
	{
		String usage = "tools.aggregate [options]\n";
		usage += "--dir\n";
		usage += "--out\n";
		usage += "--format (optional)\n";
		
		System.out.println(usage);
		
		System.exit(0);
	}
}


/*
 *  (c) Copyright 2004, 2005, 2006, 2007 Hewlett-Packard Development Company, LP
 *  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 name of the author may not be used to endorse or promote products
 *    derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS 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 AUTHOR 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.
 */