I have the following method that should return a InputStream, but the data I need to return comes from Marshaller.marshal which writes to a PrinterWriter. How do I do this (the following code dosen't work, I have tryed to understand the sun tutorial on this, but failed). I have also included the ReverseStreamThread class.

			

			public InputStream getContacts() {
			

			PipedOutputStream po = new PipedOutputStream();
			

			PipedInputStream pi = new PipedInputStream(po);
			

			BufferedOutputStream out = new BufferedOutputStream(po);
			

			Marshaller.marshal(this.contactDatabase,new PrintWriter(out));
			

			new ReverseStreamThread(out,pi).start();
			

			return pi;
			

			}
			

		

Here comes the ReverseStreamThread class:

			

			public class ReverseStreamThread extends Thread {
			

			private OutputStream out = null;
			

			private InputStream in = null;
			

			

			public ReverseStreamThread(OutputStream out, InputStream in) {
			

			this.out = out;
			

			this.in = in;
			

			}
			

			

			public void run() {
			

			if (out != null && in != null) {
			

			try {
			

			int input;
			

			while ((input = in.read()) > 0) {
			

			out.write(input);
			

			out.flush();
			

			}
			

			out.close();
			

			} catch (IOException e) {
			

			System.err.println("ReverseThread run: " + e);
			

			}
			

			}
			

			}
			

			}