| /* |
| * Copyright (c) 1996, 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.rmi.transport.proxy; |
| |
| import java.io.*; |
| |
| /** |
| * The HttpSendOutputStream class is used by the HttpSendSocket class as |
| * a layer on the top of the OutputStream it returns so that it can be |
| * notified of attempts to write to it. This allows the HttpSendSocket |
| * to know when it should construct a new message. |
| */ |
| class HttpSendOutputStream extends FilterOutputStream { |
| |
| /** the HttpSendSocket object that is providing this stream */ |
| HttpSendSocket owner; |
| |
| /** |
| * Create new filter on a given output stream. |
| * @param out the OutputStream to filter from |
| * @param owner the HttpSendSocket that is providing this stream |
| */ |
| public HttpSendOutputStream(OutputStream out, HttpSendSocket owner) |
| throws IOException |
| { |
| super(out); |
| |
| this.owner = owner; |
| } |
| |
| /** |
| * Mark this stream as inactive for its owner socket, so the next time |
| * a write is attempted, the owner will be notified and a new underlying |
| * output stream obtained. |
| */ |
| public void deactivate() |
| { |
| out = null; |
| } |
| |
| /** |
| * Write a byte of data to the stream. |
| */ |
| public void write(int b) throws IOException |
| { |
| if (out == null) |
| out = owner.writeNotify(); |
| out.write(b); |
| } |
| |
| /** |
| * Write a subarray of bytes. |
| * @param b the buffer from which the data is to be written |
| * @param off the start offset of the data |
| * @param len the number of bytes to be written |
| */ |
| public void write(byte b[], int off, int len) throws IOException |
| { |
| if (len == 0) |
| return; |
| if (out == null) |
| out = owner.writeNotify(); |
| out.write(b, off, len); |
| } |
| |
| /** |
| * Flush the stream. |
| */ |
| public void flush() throws IOException |
| { |
| if (out != null) |
| out.flush(); |
| } |
| |
| /** |
| * Close the stream. |
| */ |
| public void close() throws IOException |
| { |
| flush(); |
| owner.close(); |
| } |
| } |