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diff --git a/src/org/apache/commons/io/output/TeeOutputStream.java b/src/org/apache/commons/io/output/TeeOutputStream.java
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+++ b/src/org/apache/commons/io/output/TeeOutputStream.java
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+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.commons.io.output;
+
+import java.io.IOException;
+import java.io.OutputStream;
+
+/**
+ * Classic splitter of OutputStream. Named after the unix 'tee' 
+ * command. It allows a stream to be branched off so there 
+ * are now two streams.
+ *
+ * @version $Id: TeeOutputStream.java 610010 2008-01-08 14:50:59Z niallp $
+ */
+public class TeeOutputStream extends ProxyOutputStream {
+
+    /** the second OutputStream to write to */
+    protected OutputStream branch;
+
+    /**
+     * Constructs a TeeOutputStream.
+     * @param out the main OutputStream
+     * @param branch the second OutputStream
+     */
+    public TeeOutputStream( OutputStream out, OutputStream branch ) {
+        super(out);
+        this.branch = branch;
+    }
+
+    /**
+     * Write the bytes to both streams.
+     * @param b the bytes to write
+     * @throws IOException if an I/O error occurs
+     */
+    public synchronized void write(byte[] b) throws IOException {
+        super.write(b);
+        this.branch.write(b);
+    }
+
+    /**
+     * Write the specified bytes to both streams.
+     * @param b the bytes to write
+     * @param off The start offset
+     * @param len The number of bytes to write
+     * @throws IOException if an I/O error occurs
+     */
+    public synchronized void write(byte[] b, int off, int len) throws IOException {
+        super.write(b, off, len);
+        this.branch.write(b, off, len);
+    }
+
+    /**
+     * Write a byte to both streams.
+     * @param b the byte to write
+     * @throws IOException if an I/O error occurs
+     */
+    public synchronized void write(int b) throws IOException {
+        super.write(b);
+        this.branch.write(b);
+    }
+
+    /**
+     * Flushes both streams.
+     * @throws IOException if an I/O error occurs
+     */
+    public void flush() throws IOException {
+        super.flush();
+        this.branch.flush();
+    }
+
+    /**
+     * Closes both streams. 
+     * @throws IOException if an I/O error occurs
+     */
+    public void close() throws IOException {
+        super.close();
+        this.branch.close();
+    }
+
+}