org.jboss.resteasy.util.ReadFromStream Maven / Gradle / Ivy
package org.jboss.resteasy.util;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.InputStream;
/**
* @author Bill Burke
* @version $Revision: 1 $
*/
public class ReadFromStream
{
/**
* Stuff the contents of a InputStream into a byte buffer. Reads until EOF (-1).
*
* @param bufferSize
* @param entityStream
* @return
* @throws IOException
*/
public static byte[] readFromStream(int bufferSize, InputStream entityStream)
throws IOException
{
ByteArrayOutputStream baos = new ByteArrayOutputStream();
byte[] buffer = new byte[bufferSize];
int wasRead = 0;
do
{
wasRead = entityStream.read(buffer);
if (wasRead > 0)
{
baos.write(buffer, 0, wasRead);
}
} while (wasRead > -1);
return baos.toByteArray();
}
}