--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/app/src/main/java/ch/ethz/ssh2/SFTPOutputStream.java	Thu Dec 03 11:23:55 2015 -0800
@@ -0,0 +1,63 @@
+/*
+ * Copyright (c) 2011 David Kocher. All rights reserved.
+ * Please refer to the LICENSE.txt for licensing details.
+ */
+package ch.ethz.ssh2;
+
+import java.io.IOException;
+import java.io.OutputStream;
+
+/**
+ * @version $Id: SFTPOutputStream.java 151 2014-04-28 10:03:39Z dkocher@sudo.ch $
+ */
+public class SFTPOutputStream extends OutputStream {
+
+    private SFTPFileHandle handle;
+
+    /**
+     * Offset (in bytes) in the file to write
+     */
+    private long writeOffset = 0;
+
+    public SFTPOutputStream(SFTPFileHandle handle) {
+        this.handle = handle;
+    }
+
+    /**
+     * Writes <code>len</code> bytes from the specified byte array
+     * starting at offset <code>off</code> to this output stream.
+     * The general contract for <code>write(b, off, len)</code> is that
+     * some of the bytes in the array <code>b</code> are written to the
+     * output stream in order; element <code>b[off]</code> is the first
+     * byte written and <code>b[off+len-1]</code> is the last byte written
+     * by this operation.
+     *
+     * @see SFTPClient#write(SFTPFileHandle, long, byte[], int, int)
+     */
+    @Override
+    public void write(byte[] buffer, int offset, int len) throws IOException {
+        // We can just blindly write the whole buffer at once.
+        // if <code>len</code> &gt; 32768, then the write operation will
+        // be split into multiple writes in SFTPv3Client#write.
+        handle.getClient().write(handle, writeOffset, buffer, offset, len);
+        writeOffset += len;
+    }
+
+    @Override
+    public void write(int b) throws IOException {
+        byte[] buffer = new byte[1];
+        buffer[0] = (byte) b;
+        handle.getClient().write(handle, writeOffset, buffer, 0, 1);
+        writeOffset += 1;
+    }
+
+    public long skip(long n) {
+        writeOffset += n;
+        return n;
+    }
+
+    @Override
+    public void close() throws IOException {
+        handle.getClient().closeFile(handle);
+    }
+}
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