/*
* $Id: InputStreamToByteArray.java 21125 2011-01-26 21:21:10Z dzapata $
* --------------------------------------------------------------------------------------
* Copyright (c) MuleSoft, Inc. All rights reserved. http://www.mulesoft.com
*
* The software in this package is published under the terms of the CPAL v1.0
* license, a copy of which has been included with this distribution in the
* LICENSE.txt file.
*/
package org.mule.transport.sftp.transformers;
import org.mule.api.transformer.TransformerException;
import org.mule.config.i18n.MessageFactory;
import org.mule.transformer.AbstractTransformer;
import java.io.ByteArrayOutputStream;
import java.io.InputStream;
import org.apache.commons.io.IOUtils;
/**
* TODO
*/
public class InputStreamToByteArray extends AbstractTransformer
{
/**
* Serial version
*/
private static final long serialVersionUID = -7444711427779720031L;
public InputStreamToByteArray()
{
registerSourceType(InputStream.class);
setReturnClass(byte[].class);
}
public Object doTransform(Object msg, String encoding) throws TransformerException
{
if (msg instanceof InputStream)
{
InputStream inputStream = null;
try
{
inputStream = (InputStream) msg;
ByteArrayOutputStream baos = new ByteArrayOutputStream();
byte[] buffer = new byte[1024];
int len;
while ((len = inputStream.read(buffer)) > 0)
{
baos.write(buffer, 0, len);
}
return baos.toByteArray();
}
catch (Exception e)
{
throw new TransformerException(this, e);
}
finally
{
IOUtils.closeQuietly(inputStream);
}
}
else
{
throw new TransformerException(
MessageFactory.createStaticMessage("Message is not an instance of java.io.InputStream"), this);
}
}
}