/* * 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(); }}
/*
* 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();
}
}