org.bouncycastle.util.io.TeeInputStream Maven / Gradle / Ivy
package org.bouncycastle.util.io;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
/**
* An input stream which copies anything read through it to another stream.
*/
public class TeeInputStream
extends InputStream
{
private final InputStream input;
private final OutputStream output;
/**
* Base constructor.
*
* @param input input stream to be wrapped.
* @param output output stream to copy any input read to.
*/
public TeeInputStream(InputStream input, OutputStream output)
{
this.input = input;
this.output = output;
}
public int available() throws IOException
{
return input.available();
}
public int read(byte[] buf)
throws IOException
{
return read(buf, 0, buf.length);
}
public int read(byte[] buf, int off, int len)
throws IOException
{
int i = input.read(buf, off, len);
if (i > 0)
{
output.write(buf, off, i);
}
return i;
}
public int read()
throws IOException
{
int i = input.read();
if (i >= 0)
{
output.write(i);
}
return i;
}
public void close()
throws IOException
{
this.input.close();
this.output.close();
}
public OutputStream getOutputStream()
{
return output;
}
}