1 files changed, 34 insertions, 0 deletions
diff --git a/main/client/src/ProxyOutputStream.java b/main/client/src/ProxyOutputStream.java
new file mode 100644
index 00000000..339e0150
--- /dev/null
+++ b/main/client/src/ProxyOutputStream.java
@@ -0,0 +1,34 @@
+package mill.main.client;
+
+import java.io.IOException;
+
+public class ProxyOutputStream extends java.io.OutputStream {
+    private java.io.OutputStream out;
+    private int key;
+    public ProxyOutputStream(java.io.OutputStream out, int key){
+        this.out = out;
+        this.key = key;
+    }
+    @Override synchronized public void write(int b) throws IOException {
+        out.write(key);
+        out.write(b);
+    }
+    @Override synchronized public void write(byte[] b) throws IOException {
+        write(b, 0, b.length);
+    }
+    @Override synchronized public void write(byte[] b, int off, int len) throws IOException {
+        int i = 0;
+        while(i < len && i + off < b.length){
+            int chunkLength = Math.min(len - i, 127);
+            out.write(chunkLength * key);
+            out.write(b, off + i, Math.min(b.length - off - i, chunkLength));
+            i += chunkLength;
+        }
+    }
+    @Override public void flush() throws IOException {
+        out.flush();
+    }
+    @Override public void close() throws IOException {
+        out.close();
+    }
+}