diff options
Diffstat (limited to 'libjava/java/net/SocketInputStream.java')
-rw-r--r-- | libjava/java/net/SocketInputStream.java | 204 |
1 files changed, 0 insertions, 204 deletions
diff --git a/libjava/java/net/SocketInputStream.java b/libjava/java/net/SocketInputStream.java deleted file mode 100644 index f2d4d39..0000000 --- a/libjava/java/net/SocketInputStream.java +++ /dev/null @@ -1,204 +0,0 @@ -/* SocketInputStream.java -- An InputStream for Sockets - Copyright (C) 1998, 2000, 2002 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.InputStream; -import java.io.IOException; - -/** - * This class contains an implementation of <code>InputStream</code> for - * sockets. It in an internal only class used by <code>PlainSocketImpl</code>. - * - * @author Aaron M. Renn (arenn@urbanophile.com) - */ -class SocketInputStream extends InputStream -{ - -/*************************************************************************/ - -/* - * Instance Variables - */ - -/** - * The PlainSocketImpl object this stream is associated with - */ -private PlainSocketImpl impl; - -/*************************************************************************/ - -/* - * Constructors - */ - -/** - * Builds an instance of this class from a PlainSocketImpl object - */ -protected -SocketInputStream(PlainSocketImpl impl) -{ - this.impl = impl; -} - -/*************************************************************************/ - -/* - * Instance Methods - */ - -/** - * Returns the number of bytes available to be read before blocking - */ -public int -available() throws IOException -{ - return(impl.available()); -} - -/*************************************************************************/ - -/** - * Determines if "mark" functionality is supported on this stream. For - * sockets, this is always false. Note that the superclass default is - * false, but it is overridden out of safety concerns and/or paranoia. - */ -public boolean -markSupported() -{ - return(false); -} - -/*************************************************************************/ - -/** - * Do nothing mark method since we don't support this functionality. Again, - * overriding out of paranoia. - * - * @param readlimit In theory, the number of bytes we can read before the mark becomes invalid - */ -public void -mark(int readlimit) -{ -} - -/*************************************************************************/ - -/** - * Since we don't support mark, this method always throws an exception - * - * @exception IOException Everytime since we don't support this functionality - */ -public void -reset() throws IOException -{ - throw new IOException("Socket InputStreams do not support mark/reset"); -} - -/*************************************************************************/ - -/** - * This method not only closes the stream, it closes the underlying socket - * (and thus any connection) and invalidates any other Input/Output streams - * for the underlying impl object - */ -public void -close() throws IOException -{ - impl.close(); -} - -/*************************************************************************/ - -/** - * Reads the next byte of data and returns it as an int. - * - * @return The byte read (as an int) or -1 if end of stream); - * - * @exception IOException If an error occurs. - */ -public int -read() throws IOException -{ - byte buf[] = new byte[1]; - - int bytes_read = read(buf, 0, buf.length); - - if (bytes_read != -1) - return(buf[0] & 0xFF); - else - return(-1); -} - -/*************************************************************************/ - -/** - * Reads up to buf.length bytes of data into the caller supplied buffer. - * - * @return The actual number of bytes read or -1 if end of stream - * - * @exception IOException If an error occurs. - */ -public int -read(byte[] buf) throws IOException -{ - return(read(buf, 0, buf.length)); -} - -/*************************************************************************/ - -/** - * Reads up to len bytes of data into the caller supplied buffer starting - * at offset bytes from the start of the buffer - * - * @return The number of bytes actually read or -1 if end of stream - * - * @exception IOException If an error occurs. - */ -public int -read(byte[] buf, int offset, int len) throws IOException -{ - int bytes_read = impl.read(buf, offset, len); - if (bytes_read == 0) - return(-1); - - return(bytes_read); -} - -} // class SocketInputStream - |