| /* PipeImpl.java -- |
| Copyright (C) 2002, 2003, 2004, 2005 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 gnu.java.nio; |
| |
| import java.io.IOException; |
| import java.nio.ByteBuffer; |
| import java.nio.channels.Pipe; |
| import java.nio.channels.spi.SelectorProvider; |
| |
| class PipeImpl extends Pipe |
| { |
| public static final class SourceChannelImpl extends Pipe.SourceChannel |
| { |
| private int native_fd; |
| |
| public SourceChannelImpl (SelectorProvider selectorProvider, |
| int native_fd) |
| { |
| super (selectorProvider); |
| this.native_fd = native_fd; |
| } |
| |
| protected final void implCloseSelectableChannel() |
| throws IOException |
| { |
| throw new Error ("Not implemented"); |
| } |
| |
| protected void implConfigureBlocking (boolean blocking) |
| throws IOException |
| { |
| throw new Error ("Not implemented"); |
| } |
| |
| public final int read (ByteBuffer src) |
| throws IOException |
| { |
| throw new Error ("Not implemented"); |
| } |
| |
| public final long read (ByteBuffer[] srcs) |
| throws IOException |
| { |
| return read (srcs, 0, srcs.length); |
| } |
| |
| public final synchronized long read (ByteBuffer[] srcs, int offset, |
| int len) |
| throws IOException |
| { |
| if (offset < 0 |
| || offset > srcs.length |
| || len < 0 |
| || len > srcs.length - offset) |
| throw new IndexOutOfBoundsException(); |
| |
| long bytesRead = 0; |
| |
| for (int index = 0; index < len; index++) |
| bytesRead += read (srcs [offset + index]); |
| |
| return bytesRead; |
| |
| } |
| |
| public final int getNativeFD() |
| { |
| return native_fd; |
| } |
| } |
| |
| public static final class SinkChannelImpl extends Pipe.SinkChannel |
| { |
| private int native_fd; |
| |
| public SinkChannelImpl (SelectorProvider selectorProvider, |
| int native_fd) |
| { |
| super (selectorProvider); |
| this.native_fd = native_fd; |
| } |
| |
| protected final void implCloseSelectableChannel() |
| throws IOException |
| { |
| throw new Error ("Not implemented"); |
| } |
| |
| protected final void implConfigureBlocking (boolean blocking) |
| throws IOException |
| { |
| throw new Error ("Not implemented"); |
| } |
| |
| public final int write (ByteBuffer dst) |
| throws IOException |
| { |
| throw new Error ("Not implemented"); |
| } |
| |
| public final long write (ByteBuffer[] srcs) |
| throws IOException |
| { |
| return write (srcs, 0, srcs.length); |
| } |
| |
| public final synchronized long write (ByteBuffer[] srcs, int offset, int len) |
| throws IOException |
| { |
| if (offset < 0 |
| || offset > srcs.length |
| || len < 0 |
| || len > srcs.length - offset) |
| throw new IndexOutOfBoundsException(); |
| |
| long bytesWritten = 0; |
| |
| for (int index = 0; index < len; index++) |
| bytesWritten += write (srcs [offset + index]); |
| |
| return bytesWritten; |
| } |
| |
| public final int getNativeFD() |
| { |
| return native_fd; |
| } |
| } |
| |
| private SinkChannelImpl sink; |
| private SourceChannelImpl source; |
| |
| public PipeImpl (SelectorProvider provider) |
| throws IOException |
| { |
| super(); |
| VMPipe.init (this, provider); |
| } |
| |
| public Pipe.SinkChannel sink() |
| { |
| return sink; |
| } |
| |
| public Pipe.SourceChannel source() |
| { |
| return source; |
| } |
| } |