/*
* Closes this stream. If this stream is connected to an input stream, the
* input stream is closed and the pipe is disconnected.
*
* @throws IOException
* if an error occurs while closing this stream.
*/
public override void close()
{//throws IOException {
// Is the pipe connected?
if (dest != null)
{
dest.done();
dest = null;
}
}
/*
* Connects this stream to a {@link PipedInputStream}. Any data written to
* this output stream becomes readable in the input stream.
*
* @param stream
* the destination input stream.
* @throws IOException
* if either stream is already connected.
*/
public void connect(PipedInputStream stream)
{//throws IOException {
if (null == stream)
{
throw new java.lang.NullPointerException();
}
if (this.dest != null)
{
throw new IOException("Already connected"); //$NON-NLS-1$
}
lock (stream)
{
if (stream.isConnected)
{
throw new IOException("Pipe already connected"); //$NON-NLS-1$
}
if (stream.buffer == null)
{
stream.buffer = new byte[PipedInputStream.PIPE_SIZE];
}
stream.isConnected = true;
this.dest = stream;
}
}
/*
* Constructs a new {@code PipedOutputStream} connected to the
* {@link PipedInputStream} {@code dest}. Any data written to this stream
* can be read from the target stream.
*
* @param dest
* the piped input stream to connect to.
* @throws IOException
* if this stream or {@code dest} are already connected.
*/
public PipedOutputStream(PipedInputStream dest) :// throws IOException {
base()
{
connect(dest);
}
/**
* Closes this stream. If this stream is connected to an input stream, the
* input stream is closed and the pipe is disconnected.
*
* @throws IOException
* if an error occurs while closing this stream.
*/
public override void close()
{
//throws IOException {
// Is the pipe connected?
if (dest != null)
{
dest.done();
dest = null;
}
}
// throws IOException {
/**
* Constructs a new {@code PipedOutputStream} connected to the
* {@link PipedInputStream} {@code dest}. Any data written to this stream
* can be read from the target stream.
*
* @param dest
* the piped input stream to connect to.
* @throws IOException
* if this stream or {@code dest} are already connected.
*/
public PipedOutputStream(PipedInputStream dest)
: base()
{
connect(dest);
}
/**
* Connects this stream to a {@link PipedInputStream}. Any data written to
* this output stream becomes readable in the input stream.
*
* @param stream
* the destination input stream.
* @throws IOException
* if either stream is already connected.
*/
public void connect(PipedInputStream stream)
{
//throws IOException {
if (null == stream)
{
throw new java.lang.NullPointerException();
}
if (this.dest != null)
{
throw new IOException("Already connected"); //$NON-NLS-1$
}
lock (stream)
{
if (stream.isConnected)
{
throw new IOException("Pipe already connected"); //$NON-NLS-1$
}
if (stream.buffer == null)
{
stream.buffer = new byte[PipedInputStream.PIPE_SIZE];
}
stream.isConnected = true;
this.dest = stream;
}
}
