ioutils.java

Example of recording sound coming from the windows default audio device.

/**
 *
 * Copyright 2007 Stefanie Tellex
 *
 * This file is part of Fefie.com Sound Recorder.
 *
 * Fefie.com Sound Recorder 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 2 of the License, or
 * (at your option) any later version.
 *
 * Fefie.com Sound Recorder 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 Foobar; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 */
package com.fefie.sound_recorder.utils;

import java.io.BufferedInputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;

public class IOUtils {
	public static void copy(InputStream istream, OutputStream ostream) throws IOException {
		byte[] buffer = new byte[1024];
		int i;
		while ((i = istream.read(buffer, 0, buffer.length)) != -1) {
			ostream.write(buffer, 0, i);
		}
	}
	public static int load(File f, byte[] b) throws IOException {
		FileInputStream fis = new FileInputStream(f);
		BufferedInputStream bis = new BufferedInputStream(fis);
		
		int len;
		int count = 0;
		while ((len = bis.read(b, count, b.length - count)) != -1) {
			count = count + len;
		}
		return count;
		
	}

	public static int getInputStreamLengthInBytes(InputStream is) throws IOException {
		byte[] buffer = new byte[255];
		int bytesRead;
		int count = 0;
		while ((bytesRead = is.read(buffer)) != -1) {
			count = count + bytesRead;
		}
		return count;
	}
	
	public static void create(File f) throws IOException {
		if (! f.createNewFile()) {
			throw new RuntimeException("Create file " + f + " failed for some reason");
		}
	}
}