/*******************************************************************************
 * This file is part of logisim-evolution.
 *
 *   logisim-evolution 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, either version 3 of the License, or
 *   (at your option) any later version.
 *
 *   logisim-evolution 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 logisim-evolution.  If not, see <http://www.gnu.org/licenses/>.
 *
 *   Original code by Carl Burch (http://www.cburch.com), 2011.
 *   Subsequent modifications by :
 *     + Haute École Spécialisée Bernoise
 *       http://www.bfh.ch
 *     + Haute École du paysage, d'ingénierie et d'architecture de Genève
 *       http://hepia.hesge.ch/
 *     + Haute École d'Ingénierie et de Gestion du Canton de Vaud
 *       http://www.heig-vd.ch/
 *   The project is currently maintained by :
 *     + REDS Institute - HEIG-VD
 *       Yverdon-les-Bains, Switzerland
 *       http://reds.heig-vd.ch
 *******************************************************************************/

package com.cburch.logisim.util;

import java.io.BufferedWriter;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.FileWriter;
import java.io.IOException;
import java.io.InputStream;

public class FileUtil {

	public static String correctPath(String path) {
		if (path.endsWith(File.separator))
			return path;
		else
			return path + File.separator;
	}

	public static File createTmpFile(String content, String prefix,
			String suffix) throws IOException {
		File tmp = File.createTempFile(prefix, suffix);
		BufferedWriter out = null;

		try {
			out = new BufferedWriter(new FileWriter(tmp));
			out.write(content, 0, content.length());
		} catch (IOException ex) {
			throw ex;
		} finally {
			if (out != null) {
				out.close();
			}
		}

		return tmp;
	}

	public static byte[] getBytes(InputStream is) throws IOException {

		int len;
		int size = 1024;
		byte[] buf;

		if (is instanceof ByteArrayInputStream) {
			size = is.available();
			buf = new byte[size];
			len = is.read(buf, 0, size);
		} else {
			ByteArrayOutputStream bos = new ByteArrayOutputStream();
			buf = new byte[size];
			while ((len = is.read(buf, 0, size)) != -1)
				bos.write(buf, 0, len);
			buf = bos.toByteArray();
		}
		return buf;
	}

}