0N/A/*
2362N/A * Copyright (c) 1995, 2007, Oracle and/or its affiliates. All rights reserved.
0N/A * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
0N/A *
0N/A * This code is free software; you can redistribute it and/or modify it
0N/A * under the terms of the GNU General Public License version 2 only, as
2362N/A * published by the Free Software Foundation. Oracle designates this
0N/A * particular file as subject to the "Classpath" exception as provided
2362N/A * by Oracle in the LICENSE file that accompanied this code.
0N/A *
0N/A * This code is distributed in the hope that it will be useful, but WITHOUT
0N/A * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
0N/A * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
0N/A * version 2 for more details (a copy is included in the LICENSE file that
0N/A * accompanied this code).
0N/A *
0N/A * You should have received a copy of the GNU General Public License version
0N/A * 2 along with this work; if not, write to the Free Software Foundation,
0N/A * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
0N/A *
2362N/A * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
2362N/A * or visit www.oracle.com if you need additional information or have any
2362N/A * questions.
0N/A */
0N/A
0N/Apackage java.net;
0N/A
0N/Aimport java.io.FileDescriptor;
0N/Aimport java.io.FileOutputStream;
0N/Aimport java.io.IOException;
0N/Aimport java.nio.channels.FileChannel;
0N/A
5503N/Aimport sun.misc.IoTrace;
5503N/A
0N/A/**
0N/A * This stream extends FileOutputStream to implement a
0N/A * SocketOutputStream. Note that this class should <b>NOT</b> be
0N/A * public.
0N/A *
0N/A * @author Jonathan Payne
0N/A * @author Arthur van Hoff
0N/A */
0N/Aclass SocketOutputStream extends FileOutputStream
0N/A{
0N/A static {
0N/A init();
0N/A }
0N/A
0N/A private AbstractPlainSocketImpl impl = null;
0N/A private byte temp[] = new byte[1];
0N/A private Socket socket = null;
0N/A
0N/A /**
0N/A * Creates a new SocketOutputStream. Can only be called
0N/A * by a Socket. This method needs to hang on to the owner Socket so
0N/A * that the fd will not be closed.
0N/A * @param impl the socket output stream inplemented
0N/A */
0N/A SocketOutputStream(AbstractPlainSocketImpl impl) throws IOException {
0N/A super(impl.getFileDescriptor());
0N/A this.impl = impl;
0N/A socket = impl.getSocket();
0N/A }
0N/A
0N/A /**
0N/A * Returns the unique {@link java.nio.channels.FileChannel FileChannel}
0N/A * object associated with this file output stream. </p>
0N/A *
0N/A * The <code>getChannel</code> method of <code>SocketOutputStream</code>
0N/A * returns <code>null</code> since it is a socket based stream.</p>
0N/A *
0N/A * @return the file channel associated with this file output stream
0N/A *
0N/A * @since 1.4
0N/A * @spec JSR-51
0N/A */
0N/A public final FileChannel getChannel() {
0N/A return null;
0N/A }
0N/A
0N/A /**
0N/A * Writes to the socket.
0N/A * @param fd the FileDescriptor
0N/A * @param b the data to be written
0N/A * @param off the start offset in the data
0N/A * @param len the number of bytes that are written
0N/A * @exception IOException If an I/O error has occurred.
0N/A */
0N/A private native void socketWrite0(FileDescriptor fd, byte[] b, int off,
0N/A int len) throws IOException;
0N/A
0N/A /**
0N/A * Writes to the socket with appropriate locking of the
0N/A * FileDescriptor.
0N/A * @param b the data to be written
0N/A * @param off the start offset in the data
0N/A * @param len the number of bytes that are written
0N/A * @exception IOException If an I/O error has occurred.
0N/A */
0N/A private void socketWrite(byte b[], int off, int len) throws IOException {
0N/A
0N/A if (len <= 0 || off < 0 || off + len > b.length) {
0N/A if (len == 0) {
0N/A return;
0N/A }
0N/A throw new ArrayIndexOutOfBoundsException();
0N/A }
0N/A
5766N/A Object traceContext = IoTrace.socketWriteBegin();
5503N/A int bytesWritten = 0;
0N/A FileDescriptor fd = impl.acquireFD();
0N/A try {
0N/A socketWrite0(fd, b, off, len);
5503N/A bytesWritten = len;
0N/A } catch (SocketException se) {
0N/A if (se instanceof sun.net.ConnectionResetException) {
0N/A impl.setConnectionResetPending();
0N/A se = new SocketException("Connection reset");
0N/A }
0N/A if (impl.isClosedOrPending()) {
0N/A throw new SocketException("Socket closed");
0N/A } else {
0N/A throw se;
0N/A }
0N/A } finally {
0N/A impl.releaseFD();
5766N/A IoTrace.socketWriteEnd(traceContext, impl.address, impl.port, bytesWritten);
0N/A }
0N/A }
0N/A
0N/A /**
0N/A * Writes a byte to the socket.
0N/A * @param b the data to be written
0N/A * @exception IOException If an I/O error has occurred.
0N/A */
0N/A public void write(int b) throws IOException {
0N/A temp[0] = (byte)b;
0N/A socketWrite(temp, 0, 1);
0N/A }
0N/A
0N/A /**
0N/A * Writes the contents of the buffer <i>b</i> to the socket.
0N/A * @param b the data to be written
0N/A * @exception SocketException If an I/O error has occurred.
0N/A */
0N/A public void write(byte b[]) throws IOException {
0N/A socketWrite(b, 0, b.length);
0N/A }
0N/A
0N/A /**
0N/A * Writes <i>length</i> bytes from buffer <i>b</i> starting at
0N/A * offset <i>len</i>.
0N/A * @param b the data to be written
0N/A * @param off the start offset in the data
0N/A * @param len the number of bytes that are written
0N/A * @exception SocketException If an I/O error has occurred.
0N/A */
0N/A public void write(byte b[], int off, int len) throws IOException {
0N/A socketWrite(b, off, len);
0N/A }
0N/A
0N/A /**
0N/A * Closes the stream.
0N/A */
0N/A private boolean closing = false;
0N/A public void close() throws IOException {
0N/A // Prevent recursion. See BugId 4484411
0N/A if (closing)
0N/A return;
0N/A closing = true;
0N/A if (socket != null) {
0N/A if (!socket.isClosed())
0N/A socket.close();
0N/A } else
0N/A impl.close();
0N/A closing = false;
0N/A }
0N/A
0N/A /**
0N/A * Overrides finalize, the fd is closed by the Socket.
0N/A */
0N/A protected void finalize() {}
0N/A
0N/A /**
0N/A * Perform class load-time initializations.
0N/A */
0N/A private native static void init();
0N/A
0N/A}