/*
* JBoss, Home of Professional Open Source
* Copyright 2013, Red Hat, Inc. and individual contributors
* by the @authors tag. See the copyright.txt in the distribution for a
* full listing of individual contributors.
*
* This 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 software 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 software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.richfaces.util;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
/**
*
*/
public class StreamUtils {
/**
* Reads all bytes from an input stream to a byte array. Does not close the stream
* @param is
* @return all bytes from an input stream
* @throws IOException
*/
public static byte[] toByteArray(InputStream is) throws IOException {
ByteArrayOutputStream os = new ByteArrayOutputStream();
copy(is, os);
os.flush();
return os.toByteArray();
}
/**
* Copies all bytes from input stream to output stream. Does not flush or close
* either stream
* @param is
* @param os
* @throws IOException
*/
public static void copy(InputStream is, OutputStream os) throws IOException {
byte[] buffer = new byte[1024];
int read = 0;
while ((read = is.read(buffer, 0, buffer.length)) != -1) {
os.write(buffer, 0, read);
}
}
}