--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/src/share/classes/java/net/SocketOutputStream.java Sat Dec 01 00:00:00 2007 +0000
@@ -0,0 +1,183 @@
+/*
+ * Copyright 1995-2007 Sun Microsystems, Inc. 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. Sun designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Sun 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ */
+
+package java.net;
+
+import java.io.FileDescriptor;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.nio.channels.FileChannel;
+
+/**
+ * This stream extends FileOutputStream to implement a
+ * SocketOutputStream. Note that this class should <b>NOT</b> be
+ * public.
+ *
+ * @author Jonathan Payne
+ * @author Arthur van Hoff
+ */
+class SocketOutputStream extends FileOutputStream
+{
+ static {
+ init();
+ }
+
+ private AbstractPlainSocketImpl impl = null;
+ private byte temp[] = new byte[1];
+ private Socket socket = null;
+
+ /**
+ * Creates a new SocketOutputStream. Can only be called
+ * by a Socket. This method needs to hang on to the owner Socket so
+ * that the fd will not be closed.
+ * @param impl the socket output stream inplemented
+ */
+ SocketOutputStream(AbstractPlainSocketImpl impl) throws IOException {
+ super(impl.getFileDescriptor());
+ this.impl = impl;
+ socket = impl.getSocket();
+ }
+
+ /**
+ * Returns the unique {@link java.nio.channels.FileChannel FileChannel}
+ * object associated with this file output stream. </p>
+ *
+ * The <code>getChannel</code> method of <code>SocketOutputStream</code>
+ * returns <code>null</code> since it is a socket based stream.</p>
+ *
+ * @return the file channel associated with this file output stream
+ *
+ * @since 1.4
+ * @spec JSR-51
+ */
+ public final FileChannel getChannel() {
+ return null;
+ }
+
+ /**
+ * Writes to the socket.
+ * @param fd the FileDescriptor
+ * @param b the data to be written
+ * @param off the start offset in the data
+ * @param len the number of bytes that are written
+ * @exception IOException If an I/O error has occurred.
+ */
+ private native void socketWrite0(FileDescriptor fd, byte[] b, int off,
+ int len) throws IOException;
+
+ /**
+ * Writes to the socket with appropriate locking of the
+ * FileDescriptor.
+ * @param b the data to be written
+ * @param off the start offset in the data
+ * @param len the number of bytes that are written
+ * @exception IOException If an I/O error has occurred.
+ */
+ private void socketWrite(byte b[], int off, int len) throws IOException {
+
+ if (len <= 0 || off < 0 || off + len > b.length) {
+ if (len == 0) {
+ return;
+ }
+ throw new ArrayIndexOutOfBoundsException();
+ }
+
+ FileDescriptor fd = impl.acquireFD();
+ try {
+ socketWrite0(fd, b, off, len);
+ } catch (SocketException se) {
+ if (se instanceof sun.net.ConnectionResetException) {
+ impl.setConnectionResetPending();
+ se = new SocketException("Connection reset");
+ }
+ if (impl.isClosedOrPending()) {
+ throw new SocketException("Socket closed");
+ } else {
+ throw se;
+ }
+ } finally {
+ impl.releaseFD();
+ }
+ }
+
+ /**
+ * Writes a byte to the socket.
+ * @param b the data to be written
+ * @exception IOException If an I/O error has occurred.
+ */
+ public void write(int b) throws IOException {
+ temp[0] = (byte)b;
+ socketWrite(temp, 0, 1);
+ }
+
+ /**
+ * Writes the contents of the buffer <i>b</i> to the socket.
+ * @param b the data to be written
+ * @exception SocketException If an I/O error has occurred.
+ */
+ public void write(byte b[]) throws IOException {
+ socketWrite(b, 0, b.length);
+ }
+
+ /**
+ * Writes <i>length</i> bytes from buffer <i>b</i> starting at
+ * offset <i>len</i>.
+ * @param b the data to be written
+ * @param off the start offset in the data
+ * @param len the number of bytes that are written
+ * @exception SocketException If an I/O error has occurred.
+ */
+ public void write(byte b[], int off, int len) throws IOException {
+ socketWrite(b, off, len);
+ }
+
+ /**
+ * Closes the stream.
+ */
+ private boolean closing = false;
+ public void close() throws IOException {
+ // Prevent recursion. See BugId 4484411
+ if (closing)
+ return;
+ closing = true;
+ if (socket != null) {
+ if (!socket.isClosed())
+ socket.close();
+ } else
+ impl.close();
+ closing = false;
+ }
+
+ /**
+ * Overrides finalize, the fd is closed by the Socket.
+ */
+ protected void finalize() {}
+
+ /**
+ * Perform class load-time initializations.
+ */
+ private native static void init();
+
+}