Changes for protobuf support

classpath/java/io/FilterOutputStream.java

@@ -0,0 +1,36 @@
+/* Copyright (c) 2011, Avian Contributors
+
+   Permission to use, copy, modify, and/or distribute this software
+   for any purpose with or without fee is hereby granted, provided
+   that the above copyright notice and this permission notice appear
+   in all copies.
+
+   There is NO WARRANTY for this software.  See license.txt for
+   details. */
+
+package java.io;
+
+public class FilterOutputStream extends OutputStream {
+  private OutputStream os;
+
+  public void close() throws IOException {
+    os.close();
+  }
+
+  public void flush() throws IOException {
+    os.flush();
+  }
+
+  public void write(byte[] b) throws IOException {
+    os.write(b);
+  }
+
+  public void write(byte[] b, int off, int len) throws IOException {
+    os.write(b, off, len);
+  }
+
+  public void write(int b) throws IOException {
+    os.write(b);
+  }
+
+}