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/*
 * Copyright © 2013 Keith Packard <keithp@keithp.com>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; version 2 of the License.
 *
 * This program 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
 * General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License along
 * with this program; if not, write to the Free Software Foundation, Inc.,
 * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
 */

package org.altusmetrum.altoslib_7;

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

public abstract class AltosStateIterable implements Iterable<AltosState> {

	public void write_comments (PrintStream out) {
	}

	public abstract void write(PrintStream out);

	public static AltosStateIterable iterable(File file) {
		FileInputStream in;
		try {
			in = new FileInputStream(file);
		} catch (Exception e) {
			System.out.printf("Failed to open file '%s'\n", file);
			return null;
		}
		if (file.getName().endsWith("telem"))
			return new AltosTelemetryFile(in);
		else
			return new AltosEepromFile(in);
	}
}