CombinedReader.java

package org.eclipse.dltk.rhino.dbgp;

import java.io.IOException;
import java.io.Reader;

public class CombinedReader extends Reader {

	private final Reader bf;

	public CombinedReader(Reader bf) {
		super();
		this.bf = bf;
	}

	@Override
	public void close() throws IOException {
		bf.close();
	}

	int count = 0;

	@Override
	public int read(char[] cbuf, int off, int len) throws IOException {
		if (count < 1) {
			cbuf[off++] = '\r';
			len--;
			count = 1;
			if (len == 0)
				return 1;

			cbuf[off++] = '\n';
			len--;
			count = 2;
			if (len == 0)
				return 2;
		}
		return bf.read(cbuf, off, len);
	}

}