/*

 * Copyright (c) 1996, 2012, Oracle and/or its affiliates. All rights reserved.

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.  Oracle designates this

 * particular file as subject to the "Classpath" exception as provided

 * by Oracle in the LICENSE file that accompanied this code.

 *

 * This code is distributed in the hope that it will be useful, but WITHOUT

 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

 * or visit www.oracle.com if you need additional information or have any

 * questions.

 */

package sun.security.ssl;

import java.io.OutputStream;

import java.io.IOException;

import java.nio.ByteBuffer;

/*

 * OutputStream for application data as returned by SSLSocket.getOutputStream().

 *

 * @author  David Brownell

 */

class AppOutputStream extends OutputStream {

    private SSLSocketImpl socket;

    // One element array used to implement the write(byte) method

    private final byte[] oneByte = new byte[1];

    AppOutputStream(SSLSocketImpl conn) {

        this.socket = conn;

    }

    /**

     * Write the data out, NOW.

     */

    @Override

            throws IOException {

        if (b == null) {

            throw new NullPointerException();

        } else if (off < 0 || len < 0 || len > b.length - off) {

            throw new IndexOutOfBoundsException();

        } else if (len == 0) {

            return;

        }

        // check if the Socket is invalid (error or closed)

        socket.checkWrite();

        // Delegate the writing to the underlying socket.

        try {

            socket.writeRecord(b, off, len);

            socket.checkWrite();

        } catch (Exception e) {

            // shutdown and rethrow (wrapped) exception as appropriate

            socket.handleException(e);

        }

    }

    /**

     * Write one byte now.

     */

    @Override

        oneByte[0] = (byte)i;

        write(oneByte, 0, 1);

    }

    /*

     * Socket close is already synchronized, no need to block here.

     */

    @Override

    public void close() throws IOException {

        socket.close();

    }

    // inherit no-op flush()

}