com.izforge.izpack.compiler.PackagerHelper Maven / Gradle / Ivy
/*
* $Id: Packager.java 1671 2007-01-02 10:28:58Z dreil $
* IzPack - Copyright 2001-2008 Julien Ponge, All Rights Reserved.
*
* http://izpack.org/
* http://izpack.codehaus.org/
*
* Copyright 2006 Dennis Reil
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.izforge.izpack.compiler;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
/**
* Helper class for packager classes
*
* @author Dennis Reil,
*/
public class PackagerHelper
{
/**
* Copies all the data from the specified input stream to the specified output stream.
*
* @param in the input stream to read
* @param out the output stream to write
* @return the total number of bytes copied
* @throws IOException if an I/O error occurs
*/
public static long copyStream(InputStream in, OutputStream out) throws IOException
{
byte[] buffer = new byte[5120];
long bytesCopied = 0;
int bytesInBuffer;
while ((bytesInBuffer = in.read(buffer)) != -1)
{
out.write(buffer, 0, bytesInBuffer);
bytesCopied += bytesInBuffer;
}
return bytesCopied;
}
}