xref: /aoo4110/main/javaunohelper/com/sun/star/lib/uno/adapter/XOutputStreamToOutputStreamAdapter.java (revision b1cdbd2c)

/**************************************************************
 *
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 *
 *************************************************************/



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());
        }
    }
}