9 files changed, 525 insertions, 0 deletions
diff --git a/libjava/java/nio/channels/AlreadyConnectedException.java b/libjava/java/nio/channels/AlreadyConnectedException.java
new file mode 100644
index 00000000000..29e3cda0efa
--- /dev/null
+++ b/libjava/java/nio/channels/AlreadyConnectedException.java
@@ -0,0 +1,50 @@
+/* AlreadyConnectedException.java -- 
+   Copyright (C) 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.nio.channels;
+
+import java.io.IOException;
+
+public class AlreadyConnectedException extends IOException
+{
+  /**
+   * Creates the exception
+   */
+  public AlreadyConnectedException()
+  {
+  }
+}
diff --git a/libjava/java/nio/channels/ByteChannel.java b/libjava/java/nio/channels/ByteChannel.java
new file mode 100644
index 00000000000..f4958be2bf7
--- /dev/null
+++ b/libjava/java/nio/channels/ByteChannel.java
@@ -0,0 +1,43 @@
+/* ByteChannel.java -- 
+   Copyright (C) 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.nio.channels;
+
+public interface ByteChannel
+  extends ReadableByteChannel, WritableByteChannel
+{
+}
diff --git a/libjava/java/nio/channels/Channel.java b/libjava/java/nio/channels/Channel.java
new file mode 100644
index 00000000000..b5272c36776
--- /dev/null
+++ b/libjava/java/nio/channels/Channel.java
@@ -0,0 +1,55 @@
+/* Channel.java -- 
+   Copyright (C) 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.nio.channels;
+
+import java.io.IOException;
+
+public interface Channel
+{
+  /**
+   * Tells whether this channel is open or not
+   */
+  public boolean isOpen();
+
+  /**
+   * Closes this channel
+   *
+   * @exception IOException If an error occurs
+   */
+  public void close() throws IOException;
+}
diff --git a/libjava/java/nio/channels/ClosedChannelException.java b/libjava/java/nio/channels/ClosedChannelException.java
new file mode 100644
index 00000000000..2576d34c3c8
--- /dev/null
+++ b/libjava/java/nio/channels/ClosedChannelException.java
@@ -0,0 +1,50 @@
+/* ClosedChannelException.java -- 
+   Copyright (C) 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.nio.channels;
+
+import java.io.IOException;
+
+public class ClosedChannelException extends IOException
+{
+  /**
+   * Creates the exception
+   */
+  public ClosedChannelException()
+  {
+  }
+}
diff --git a/libjava/java/nio/channels/GatheringByteChannel.java b/libjava/java/nio/channels/GatheringByteChannel.java
new file mode 100644
index 00000000000..3ef12b7b6dc
--- /dev/null
+++ b/libjava/java/nio/channels/GatheringByteChannel.java
@@ -0,0 +1,79 @@
+/* GatheringByteChannel.java -- 
+   Copyright (C) 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.nio.channels;
+
+import java.nio.ByteBuffer;
+import java.io.IOException;
+
+public interface GatheringByteChannel
+  extends WritableByteChannel
+{
+  /**
+   * Writes a sequence of bytes to this channel from a subsequence of
+   * the given buffers
+   *
+   * @exception AsynchronousCloseException If another thread closes this
+   * channel while the write operation is in progress
+   * @exception ClosedByInterruptException If another thread interrupts the
+   * current thread while the write operation is in progress, thereby closing
+   * the channel and setting the current thread's interrupt status
+   * @exception ClosedChannelException If this channel is closed
+   * @exception IndexOutOfBoundsException If the preconditions on the offset
+   * and length parameters do not hold
+   * @exception IOException If an error occurs
+   * @exception NonWritableChannelException If this channel was not opened for
+   * writing
+   */
+  public long write(ByteBuffer[] srcs, int offset, int length)
+    throws IOException;
+  
+  /**
+   * Writes a sequence of bytes to this channel from the given buffers
+   *
+   * @exception AsynchronousCloseException If another thread closes this
+   * channel while the write operation is in progress
+   * @exception ClosedByInterruptException If another thread interrupts the
+   * current thread while the write operation is in progress, thereby closing
+   * the channel and setting the current thread's interrupt status
+   * @exception ClosedChannelException If this channel is closed
+   * @exception IOException If an error occurs
+   * @exception NonWritableChannelException If this channel was not opened for
+   * writing
+   */
+  public long write(ByteBuffer[] srcs) throws IOException;
+}
diff --git a/libjava/java/nio/channels/InterruptibleChannel.java b/libjava/java/nio/channels/InterruptibleChannel.java
new file mode 100644
index 00000000000..0b55e7619a5
--- /dev/null
+++ b/libjava/java/nio/channels/InterruptibleChannel.java
@@ -0,0 +1,50 @@
+/* InterruptibleChannel.java -- 
+   Copyright (C) 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.nio.channels;
+
+import java.io.IOException;
+
+public interface InterruptibleChannel extends Channel
+{
+  /**
+   * Closes this channel
+   *
+   * @exception IOException If an error occurs
+   */
+  void close() throws IOException;
+}
diff --git a/libjava/java/nio/channels/ReadableByteChannel.java b/libjava/java/nio/channels/ReadableByteChannel.java
new file mode 100644
index 00000000000..d1653cc8d3e
--- /dev/null
+++ b/libjava/java/nio/channels/ReadableByteChannel.java
@@ -0,0 +1,59 @@
+/* ReadableByteChannel.java -- 
+   Copyright (C) 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.nio.channels;
+
+import java.io.IOException;
+import java.nio.ByteBuffer;
+
+public interface ReadableByteChannel extends Channel
+{
+  /**
+   * Reads a sequence of bytes from this channel into the given buffer
+   *
+   * @exception AsynchronousCloseException If another thread closes this
+   * channel while the read operation is in progress
+   * @exception ClosedByInterruptException If another thread interrupts the
+   * current thread while the read operation is in progress, thereby closing
+   * the channel and setting the current thread's interrupt status
+   * @exception ClosedChannelException If this channel is closed
+   * @exception IOException If an error occurs
+   * @exception NonReadableChannelException If this channel was not opened for
+   * reading
+   */
+  public int read (ByteBuffer dst) throws IOException;
+}
diff --git a/libjava/java/nio/channels/ScatteringByteChannel.java b/libjava/java/nio/channels/ScatteringByteChannel.java
new file mode 100644
index 00000000000..a9efdbef448
--- /dev/null
+++ b/libjava/java/nio/channels/ScatteringByteChannel.java
@@ -0,0 +1,79 @@
+/* ScatteringByteChannel.java -- 
+   Copyright (C) 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.nio.channels;
+
+import java.nio.ByteBuffer;
+import java.io.IOException;
+
+public interface ScatteringByteChannel
+  extends ReadableByteChannel
+{
+  /**
+   * Reads a sequence of bytes from this channel into a subsequence of the
+   * given buffers
+   *
+   * @exception AsynchronousCloseException If another thread closes this
+   * channel while the write operation is in progress
+   * @exception ClosedByInterruptException If another thread interrupts the
+   * current thread while the write operation is in progress, thereby closing
+   * the channel and setting the current thread's interrupt status
+   * @exception ClosedChannelException If this channel is closed
+   * @exception IndexOutOfBoundsException If the preconditions on the offset
+   * and length parameters do not hold
+   * @exception IOException If an error occurs
+   * @exception NonReadableChannelException If this channel was not opened for
+   * reading
+   */
+  public long read(ByteBuffer[] srcs, int offset, int length)
+    throws IOException;
+
+  /**
+   * Reads a sequence of bytes from this channel into the given buffers
+   *
+   * @exception AsynchronousCloseException If another thread closes this
+   * channel while the write operation is in progress
+   * @exception ClosedByInterruptException If another thread interrupts the
+   * current thread while the write operation is in progress, thereby closing
+   * the channel and setting the current thread's interrupt status
+   * @exception ClosedChannelException If this channel is closed
+   * @exception IOException If an error occurs
+   * @exception NonReadableChannelException If this channel was not opened for
+   * reading
+   */
+  public long read(ByteBuffer[] srcs) throws IOException;
+}
diff --git a/libjava/java/nio/channels/WritableByteChannel.java b/libjava/java/nio/channels/WritableByteChannel.java
new file mode 100644
index 00000000000..003437e5f3c
--- /dev/null
+++ b/libjava/java/nio/channels/WritableByteChannel.java
@@ -0,0 +1,60 @@
+/* WritableByteChannel.java -- 
+   Copyright (C) 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.nio.channels;
+
+import java.io.IOException;
+import java.nio.ByteBuffer;
+
+public interface WritableByteChannel
+  extends Channel
+{
+  /**
+   * Writes a sequence of bytes to this channel from the given buffer
+   *
+   * @exception AsynchronousCloseException If another thread closes this
+   * channel while the write operation is in progress
+   * @exception ClosedByInterruptException If another thread interrupts the
+   * current thread while the write operation is in progress, thereby closing
+   * the channel and setting the current thread's interrupt status
+   * @exception ClosedChannelException If this channel is closed
+   * @exception IOException If an error occurs
+   * @exception NonWritableChannelException If this channel was not opened for
+   * writing
+   */
+  public int write(ByteBuffer src) throws IOException;
+}