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package com.sun.star.lib.uno.adapter;

import java.io.IOException;
import com.sun.star.io.XOutputStream;
import java.io.OutputStream;

/**
 * The <code>XOutputStreamToOutputStreamAdapter</code> wraps
 * the UNO <code>XOutputStream</code> object in a Java
 * <code>OutputStream</code>.  This allows users to access
 * an <code>XOutputStream</code> as if it were an
 * <code>OutputStream</code>.
 *
 * @author  Brian Cameron
 */
public class XOutputStreamToOutputStreamAdapter extends OutputStream {

    /**
     *  Internal handle to the XInputStream
     */
    XOutputStream xout;

    /**
     *  Constructor.
     *
     *  @param  out  The <code>XOutputStream</code> to be
     *          accessed as an <code>OutputStream</code>.
     */
    public XOutputStreamToOutputStreamAdapter(XOutputStream out) {
        xout = out;
    }

    public void close() throws IOException {
        try {
            xout.closeOutput();
        } catch (Exception e) {
            throw new IOException(e.toString());
        }
    }

    public void flush() throws IOException {
        try {
            xout.flush();
        } catch (Exception e) {
            throw new IOException(e.toString());
        }
    }

    public void write(byte[] b) throws IOException {

    try {
            xout.writeBytes(b);
        } catch (Exception e) {
            throw new IOException(e.toString());
        }
    }

    public void write(byte[] b, int off, int len) throws IOException {

        byte[] tmp = new byte[len];

        // Copy the input array into a temp array, and write it out.
        //
        System.arraycopy(b, off, tmp, 0, len);

        try {
            xout.writeBytes(tmp);
        } catch (Exception e) {
            throw new IOException(e.toString());
        }
    }

    public void write(int b) throws IOException {

        byte [] oneByte = new byte [1];
        oneByte[0] = (byte) b;

        try {
            xout.writeBytes(oneByte);
        } catch (Exception e) {
            throw new IOException(e.toString());
        }
    }
}
