UPDATE 2.2

src/org/kne/io/VarDataOutputStream.java

@@ -0,0 +1,43 @@
+package org.kne.io;
+
+import java.io.DataOutputStream;
+import java.io.IOException;
+import java.io.OutputStream;
+import java.nio.charset.Charset;
+
+public class VarDataOutputStream extends DataOutputStream {
+
+	public VarDataOutputStream(OutputStream out) {
+		super(out);
+	}
+	int cache=0;
+	public void writeVarInt_add(int input)throws IOException{
+		writeVarInt (input-cache);
+		cache=input;
+	}
+	public void writeVarBytes(byte[]b) throws IOException {
+		writeVarInt(b.length);
+		write(b);
+	}
+	public void writeVarUTF8(String str) throws IOException {
+		writeVarBytes(str.getBytes(Charset.forName("UTF-8")));
+	}
+	public void writeVarInt(int input) throws IOException {
+		while ((input & -128) != 0) {
+			this.out.write(input & 127 | 128);
+			input >>>= 7;
+		}
+
+		this.out.write(input);
+	}
+
+
+	public void writeVarLong(long value) throws IOException {
+		while ((value & -128L) != 0L) {
+			this.writeByte((int) (value & 127L) | 128);
+			value >>>= 7;
+		}
+
+		this.writeByte((int) value);
+	}
+}