Initial revision

From-SVN: r102074

1 files changed, 87 insertions, 0 deletions

diff --git a/libjava/classpath/gnu/java/nio/OutputStreamChannel.java b/libjava/classpath/gnu/java/nio/OutputStreamChannel.java
new file mode 100644
index 00000000000..8167426b07d
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+++ b/libjava/classpath/gnu/java/nio/OutputStreamChannel.java
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+/* 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., 51 Franklin Street, Fifth Floor, Boston, MA
+02110-1301 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.io.OutputStream;
+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;
+  }
+}