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gcc.gnu.org Git - gcc.git/blob - libjava/gnu/java/net/SocketOutputStream.java
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1 /* SocketOutputStream.java -- OutputStream for PlainSocketImpl
2 Copyright (C) 1998,2000 Free Software Foundation, Inc.
4 This file is part of GNU Classpath.
6 GNU Classpath is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2, or (at your option)
11 GNU Classpath is distributed in the hope that it will be useful, but
12 WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with GNU Classpath; see the file COPYING. If not, write to the
18 Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
21 Linking this library statically or dynamically with other modules is
22 making a combined work based on this library. Thus, the terms and
23 conditions of the GNU General Public License cover the whole
26 As a special exception, the copyright holders of this library give you
27 permission to link this library with independent modules to produce an
28 executable, regardless of the license terms of these independent
29 modules, and to copy and distribute the resulting executable under
30 terms of your choice, provided that you also meet, for each linked
31 independent module, the terms and conditions of the license of that
32 module. An independent module is a module which is not derived from
33 or based on this library. If you modify this library, you may extend
34 this exception to your version of the library, but you are not
35 obligated to do so. If you do not wish to do so, delete this
36 exception statement from your version. */
41 import java
.io
.OutputStream
;
42 import java
.io
.IOException
;
45 * This class is used internally by <code>PlainSocketImpl</code> to be the
46 * <code>OutputStream</code> subclass returned by its
47 * <code>getOutputStream method</code>. It expects only to be used in that
50 * @author Aaron M. Renn (arenn@urbanophile.com)
52 class SocketOutputStream
extends OutputStream
55 /*************************************************************************/
62 * The PlainSocketImpl object this stream is associated with
64 private PlainSocketImpl impl
;
66 /*************************************************************************/
73 * Build an instance of this class from a PlainSocketImpl object
76 SocketOutputStream(PlainSocketImpl impl
)
81 /*************************************************************************/
88 * This method closes the stream and the underlying socket connection. This
89 * action also effectively closes any other InputStream or OutputStream
90 * object associated with the connection.
92 * @exception IOException If an error occurs
95 close() throws IOException
100 /*************************************************************************/
103 * Hmmm, we don't seem to have a flush() method in Socket impl, so just
104 * return for now, but this might need to be looked at later.
106 * @exception IOException Can't happen
109 flush() throws IOException
114 /*************************************************************************/
117 * Writes a byte (passed in as an int) to the given output stream
119 * @param b The byte to write
121 * @exception IOException If an error occurs
124 write(int b
) throws IOException
126 byte buf
[] = new byte[1];
128 Integer i
= new Integer(b
);
129 buf
[0] = i
.byteValue();
131 write(buf
, 0, buf
.length
);
134 /*************************************************************************/
137 * Write an array of bytes to the output stream
139 * @param buf The array of bytes to write
141 * @exception IOException If an error occurs
144 write(byte[] buf
) throws IOException
146 write(buf
, 0, buf
.length
);
149 /*************************************************************************/
152 * Writes len number of bytes from the array buf to the stream starting
153 * at offset bytes into the buffer.
155 * @param buf The buffer
156 * @param offset Offset into the buffer to start writing from
157 * @param len The number of bytes to write
160 write(byte[] buf
, int offset
, int len
) throws IOException
162 impl
.write(buf
, offset
, len
);
165 } // class SocketOutputStream
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