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Diffstat (limited to 'libjava/java/net/SocketOutputStream.java')
-rw-r--r-- | libjava/java/net/SocketOutputStream.java | 165 |
1 files changed, 165 insertions, 0 deletions
diff --git a/libjava/java/net/SocketOutputStream.java b/libjava/java/net/SocketOutputStream.java new file mode 100644 index 0000000..7ce19ae --- /dev/null +++ b/libjava/java/net/SocketOutputStream.java @@ -0,0 +1,165 @@ +/* SocketOutputStream.java -- OutputStream for PlainSocketImpl + Copyright (C) 1998,2000 Free Software Foundation, Inc. + +This file is part of GNU Classpath. + +GNU Classpath is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2, or (at your option) +any later version. + +GNU Classpath 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 for more details. + +You should have received a copy of the GNU General Public License +along with GNU Classpath; see the file COPYING. If not, write to the +Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA +02111-1307 USA. + +Linking this library statically or dynamically with other modules is +making a combined work based on this library. Thus, the terms and +conditions of the GNU General Public License cover the whole +combination. + +As a special exception, the copyright holders of this library give you +permission to link this library with independent modules to produce an +executable, regardless of the license terms of these independent +modules, and to copy and distribute the resulting executable under +terms of your choice, provided that you also meet, for each linked +independent module, the terms and conditions of the license of that +module. An independent module is a module which is not derived from +or based on this library. If you modify this library, you may extend +this exception to your version of the library, but you are not +obligated to do so. If you do not wish to do so, delete this +exception statement from your version. */ + +package java.net; + +import java.io.OutputStream; +import java.io.IOException; + +/** + * This class is used internally by <code>PlainSocketImpl</code> to be the + * <code>OutputStream</code> subclass returned by its + * <code>getOutputStream method</code>. It expects only to be used in that + * context. + * + * @author Aaron M. Renn (arenn@urbanophile.com) + */ +class SocketOutputStream extends OutputStream +{ + +/*************************************************************************/ + +/* + * Instance Variables + */ + +/** + * The PlainSocketImpl object this stream is associated with + */ +private PlainSocketImpl impl; + +/*************************************************************************/ + +/* + * Constructors + */ + +/** + * Build an instance of this class from a PlainSocketImpl object + */ +protected +SocketOutputStream(PlainSocketImpl impl) +{ + this.impl = impl; +} + +/*************************************************************************/ + +/* + * Instance Methods + */ + +/** + * This method closes the stream and the underlying socket connection. This + * action also effectively closes any other InputStream or OutputStream + * object associated with the connection. + * + * @exception IOException If an error occurs + */ +public void +close() throws IOException +{ + impl.close(); +} + +/*************************************************************************/ + +/** + * Hmmm, we don't seem to have a flush() method in Socket impl, so just + * return for now, but this might need to be looked at later. + * + * @exception IOException Can't happen + */ +public void +flush() throws IOException +{ + return; +} + +/*************************************************************************/ + +/** + * Writes a byte (passed in as an int) to the given output stream + * + * @param b The byte to write + * + * @exception IOException If an error occurs + */ +public void +write(int b) throws IOException +{ + byte buf[] = new byte[1]; + + Integer i = new Integer(b); + buf[0] = i.byteValue(); + + write(buf, 0, buf.length); +} + +/*************************************************************************/ + +/** + * Write an array of bytes to the output stream + * + * @param buf The array of bytes to write + * + * @exception IOException If an error occurs + */ +public void +write(byte[] buf) throws IOException +{ + write(buf, 0, buf.length); +} + +/*************************************************************************/ + +/** + * Writes len number of bytes from the array buf to the stream starting + * at offset bytes into the buffer. + * + * @param buf The buffer + * @param offset Offset into the buffer to start writing from + * @param len The number of bytes to write + */ +public void +write(byte[] buf, int offset, int len) throws IOException +{ + impl.write(buf, offset, len); +} + +} // class SocketOutputStream + |