OutputStreamChannel.java: New file.

2003-12-19  Michael Koch  <konqueror@gmx.de>

	* gnu/java/nio/OutputStreamChannel.java: New file.
	* java/nio/channels/Channels.java (newChannel): Implemented.
	* Makefile.am (ordinary_java_source_files):
	Added gnu/java/nio/OutputStreamChannel.java.
	* Makefile.in: Regenerated.

From-SVN: r74840

libjava/ChangeLog

 2003-12-19  Michael Koch  <konqueror@gmx.de>
 
+	* gnu/java/nio/OutputStreamChannel.java: New file.
+	* java/nio/channels/Channels.java (newChannel): Implemented.
+	* Makefile.am (ordinary_java_source_files):
+	Added gnu/java/nio/OutputStreamChannel.java.
+	* Makefile.in: Regenerated.
+
+2003-12-19  Michael Koch  <konqueror@gmx.de>
+
 	* Makefile.am (ordinary_java_source_files):
 	Added gnu.java.nio.InputStreamChannel. 
 	* Makefile.in: Regenerated.

libjava/Makefile.am

@@ -2225,6 +2225,7 @@ gnu/java/nio/NIODatagramSocket.java \
 gnu/java/nio/NIOServerSocket.java \
 gnu/java/nio/NIOSocket.java \
 gnu/java/nio/InputStreamChannel.java \
+gnu/java/nio/OutputStreamChannel.java \
 gnu/java/nio/PipeImpl.java \
 gnu/java/nio/SelectionKeyImpl.java \
 gnu/java/nio/SelectorImpl.java \

libjava/Makefile.in

@@ -1932,6 +1932,7 @@ gnu/java/nio/NIODatagramSocket.java \
 gnu/java/nio/NIOServerSocket.java \
 gnu/java/nio/NIOSocket.java \
 gnu/java/nio/InputStreamChannel.java \
+gnu/java/nio/OutputStreamChannel.java \
 gnu/java/nio/PipeImpl.java \
 gnu/java/nio/SelectionKeyImpl.java \
 gnu/java/nio/SelectorImpl.java \
@@ -3070,8 +3071,8 @@ DEP_FILES =  .deps/$(srcdir)/$(CONVERT_DIR)/gen-from-JIS.P \
 .deps/gnu/java/nio/NIOConstants.P \
 .deps/gnu/java/nio/NIODatagramSocket.P \
 .deps/gnu/java/nio/NIOServerSocket.P .deps/gnu/java/nio/NIOSocket.P \
-.deps/gnu/java/nio/PipeImpl.P .deps/gnu/java/nio/SelectionKeyImpl.P \
-.deps/gnu/java/nio/SelectorImpl.P \
+.deps/gnu/java/nio/OutputStreamChannel.P .deps/gnu/java/nio/PipeImpl.P \
+.deps/gnu/java/nio/SelectionKeyImpl.P .deps/gnu/java/nio/SelectorImpl.P \
 .deps/gnu/java/nio/SelectorProviderImpl.P \
 .deps/gnu/java/nio/ServerSocketChannelImpl.P \
 .deps/gnu/java/nio/ServerSocketChannelSelectionKey.P \

libjava/gnu/java/nio/OutputStreamChannel.java

+/* OutputStreamChannel.java -- 
+   Copyright (C) 2003 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.OutputStream;
+import java.io.IOException;
+import java.nio.ByteBuffer;
+import java.nio.channels.ClosedChannelException;
+import java.nio.channels.WritableByteChannel;
+
+/**
+ * @author Michael Koch
+ */
+public final class OutputStreamChannel implements WritableByteChannel
+{
+  private boolean closed = false;
+  private OutputStream out;
+  
+  public OutputStreamChannel (OutputStream out)
+  {
+    super();
+    
+    this.out = out;
+  }
+
+  public void close() throws IOException
+  {
+    if (!closed)
+      {
+        out.close();
+        closed = true;
+      }
+  }
+
+  public boolean isOpen()
+  {
+    return !closed;
+  }
+  
+  public int write (ByteBuffer src) throws IOException
+  {
+    if (!isOpen())
+      throw new ClosedChannelException();
+    
+    int len = src.remaining();
+    byte[] buffer = new byte [len];
+    src.get (buffer);
+    out.write (buffer);
+    return len;
+  }
+}

libjava/java/nio/channels/Channels.java

@@ -38,6 +38,7 @@ exception statement from your version. */
 package java.nio.channels;
 
 import gnu.java.nio.InputStreamChannel;
+import gnu.java.nio.OutputStreamChannel;
 import java.io.InputStream;
 import java.io.OutputStream;
 import java.io.Reader;
@@ -78,9 +79,9 @@ public final class Channels
   /**
    * Constructs a channel that writes bytes to the given stream.
    */
-  public static WritableByteChannel newChannel (OutputStream out)
+  public static WritableByteChannel newChannel(OutputStream out)
   {
-    throw new Error ("not implemented");
+    return new OutputStreamChannel (out);
   }
 
   /**