/*
    GNU LESSER GENERAL PUBLIC LICENSE
    Copyright (C) 2006 The Lobo Project

    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
    License as published by the Free Software Foundation; either
    version 2.1 of the License, or (at your option) any later version.

    This library is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    Lesser General Public License for more details.

    You should have received a copy of the GNU Lesser General Public
    License along with this library; if not, write to the Free Software
    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA

    Contact info: lobochief@users.sourceforge.net
*/
package org.lobobrowser.util.io;

import java.io.*;

public class Files {
	private Files() {	
	}
	
	/**
	 * Guesses the right content-type for a local
	 * file, and includes a charset if appropriate.
	 */
	public static String getContentType(File file) {
		// Not very complete at the moment :)
		String name = file.getName();
		int dotIdx = name.lastIndexOf('.');
		String extension = dotIdx == -1 ? null : name.substring(dotIdx+1);
		if("txt".equalsIgnoreCase(extension)) {
			return "text/plain; charset=\"" + System.getProperty("file.encoding") + "\"";
		}
		if("html".equalsIgnoreCase(extension) || "htm".equalsIgnoreCase(extension)) {
			return "text/html; charset=\"" + System.getProperty("file.encoding") + "\"";
		}
		else {
			return "application/octet-stream";
		}
	}
}