java_gen: update pre-written types

allow for instances of U8,U32, U64
diff --git a/java_gen/pre-written/src/main/java/org/openflow/types/OFPhysicalPort.java b/java_gen/pre-written/src/main/java/org/openflow/types/OFPhysicalPort.java
index 7755a4a..6eb07b1 100644
--- a/java_gen/pre-written/src/main/java/org/openflow/types/OFPhysicalPort.java
+++ b/java_gen/pre-written/src/main/java/org/openflow/types/OFPhysicalPort.java
@@ -2,6 +2,8 @@
 
 import org.jboss.netty.buffer.ChannelBuffer;
 import org.openflow.exceptions.OFParseError;
+import org.openflow.protocol.OFMessageReader;
+import org.openflow.protocol.Writeable;
 
 /**
  * A wrapper around the OpenFlow physical port description. The interfaces to
@@ -10,16 +12,16 @@
  * @author capveg
  */
 
-public class OFPhysicalPort implements OFValueType<OFPhysicalPort> {
+public class OFPhysicalPort implements OFValueType<OFPhysicalPort>, Writeable {
 
     static final int LENGTH = 4;
-    
+
     private final int port;
-    
+
     private OFPhysicalPort(int port) {
         this.port = port;
     }
-    
+
     public static OFPhysicalPort of(int port) {
         return new OFPhysicalPort(port);
     }
@@ -56,6 +58,11 @@
         c.writeInt(this.port);
     }
 
+    @Override
+    public void writeTo(ChannelBuffer bb) {
+        write4Bytes(bb);
+    }
+
     public static OFPhysicalPort read4Bytes(ChannelBuffer c) throws OFParseError {
         return OFPhysicalPort.of((int)(c.readUnsignedInt() & 0xFFFFFFFF));
     }
@@ -68,4 +75,13 @@
     public int getPortNumber() {
         return port;
     }
+
+    public final static Reader READER = new Reader();
+    private static class Reader implements OFMessageReader<OFPhysicalPort> {
+        @Override
+        public OFPhysicalPort readFrom(ChannelBuffer bb) throws OFParseError {
+            return OFPhysicalPort.read4Bytes(bb);
+        }
+
+    }
 }
diff --git a/java_gen/pre-written/src/main/java/org/openflow/types/U32.java b/java_gen/pre-written/src/main/java/org/openflow/types/U32.java
index 003f35d..88d6b15 100644
--- a/java_gen/pre-written/src/main/java/org/openflow/types/U32.java
+++ b/java_gen/pre-written/src/main/java/org/openflow/types/U32.java
@@ -17,7 +17,61 @@
 
 package org.openflow.types;
 
-public class U32 {
+import org.jboss.netty.buffer.ChannelBuffer;
+import org.openflow.exceptions.OFParseError;
+import org.openflow.protocol.OFMessageReader;
+import org.openflow.protocol.Writeable;
+
+public class U32 implements Writeable {
+    private final int raw;
+
+    private U32(int raw) {
+        this.raw = raw;
+    }
+
+    public static U32 of(long value) {
+        return new U32(U32.t(value));
+    }
+
+    public static U32 ofRaw(int value) {
+        return new U32(value);
+    }
+
+    long getValue() {
+        return f(raw);
+    }
+
+    int getRaw() {
+        return raw;
+    }
+
+    @Override
+    public String toString() {
+        return "" + f(raw);
+    }
+
+    @Override
+    public int hashCode() {
+        final int prime = 31;
+        int result = 1;
+        result = prime * result + raw;
+        return result;
+    }
+
+    @Override
+    public boolean equals(Object obj) {
+        if (this == obj)
+            return true;
+        if (obj == null)
+            return false;
+        if (getClass() != obj.getClass())
+            return false;
+        U32 other = (U32) obj;
+        if (raw != other.raw)
+            return false;
+        return true;
+    }
+
     public static long f(final int i) {
         return i & 0xffffffffL;
     }
@@ -25,4 +79,19 @@
     public static int t(final long l) {
         return (int) l;
     }
+
+    @Override
+    public void writeTo(ChannelBuffer bb) {
+        bb.writeInt(raw);
+    }
+
+    public final static Reader READER = new Reader();
+
+    private static class Reader implements OFMessageReader<U32> {
+        @Override
+        public U32 readFrom(ChannelBuffer bb) throws OFParseError {
+            return new U32(bb.readInt());
+        }
+    }
+
 }
diff --git a/java_gen/pre-written/src/main/java/org/openflow/types/U64.java b/java_gen/pre-written/src/main/java/org/openflow/types/U64.java
index a46ded3..750398f 100644
--- a/java_gen/pre-written/src/main/java/org/openflow/types/U64.java
+++ b/java_gen/pre-written/src/main/java/org/openflow/types/U64.java
@@ -64,4 +64,27 @@
     public static long t(final BigInteger l) {
         return l.longValue();
     }
+
+    @Override
+    public int hashCode() {
+        final int prime = 31;
+        int result = 1;
+        result = prime * result + (int) (raw ^ (raw >>> 32));
+        return result;
+    }
+
+    @Override
+    public boolean equals(Object obj) {
+        if (this == obj)
+            return true;
+        if (obj == null)
+            return false;
+        if (getClass() != obj.getClass())
+            return false;
+        U64 other = (U64) obj;
+        if (raw != other.raw)
+            return false;
+        return true;
+    }
+
 }
diff --git a/java_gen/pre-written/src/main/java/org/openflow/types/U8.java b/java_gen/pre-written/src/main/java/org/openflow/types/U8.java
index 1cdf0e5..2bd34bf 100644
--- a/java_gen/pre-written/src/main/java/org/openflow/types/U8.java
+++ b/java_gen/pre-written/src/main/java/org/openflow/types/U8.java
@@ -17,8 +17,66 @@
 
 package org.openflow.types;
 
-public class U8 {
-    byte data;
+import org.jboss.netty.buffer.ChannelBuffer;
+import org.openflow.exceptions.OFParseError;
+import org.openflow.protocol.OFMessageReader;
+import org.openflow.protocol.Writeable;
+
+public class U8 implements Writeable {
+    private final byte raw;
+
+    private U8(byte raw) {
+        this.raw = raw;
+    }
+
+    public static final U8 of(short value) {
+        return new U8(t(value));
+    }
+
+    public static final U8 ofRaw(byte value) {
+        return new U8(value);
+    }
+
+    public short getValue() {
+        return f(raw);
+    }
+
+    public byte getRaw() {
+        return raw;
+    }
+
+    @Override
+    public String toString() {
+        return "" + f(raw);
+    }
+
+    @Override
+    public int hashCode() {
+        final int prime = 31;
+        int result = 1;
+        result = prime * result + raw;
+        return result;
+    }
+
+    @Override
+    public boolean equals(Object obj) {
+        if (this == obj)
+            return true;
+        if (obj == null)
+            return false;
+        if (getClass() != obj.getClass())
+            return false;
+        U8 other = (U8) obj;
+        if (raw != other.raw)
+            return false;
+        return true;
+    }
+
+
+    @Override
+    public void writeTo(ChannelBuffer bb) {
+        bb.writeByte(raw);
+    }
 
     public static short f(final byte i) {
         return (short) (i & 0xff);
@@ -28,7 +86,14 @@
         return (byte) l;
     }
 
-    public byte getValue() {
-        return data;
+
+    public final static Reader READER = new Reader();
+
+    private static class Reader implements OFMessageReader<U8> {
+        @Override
+        public U8 readFrom(ChannelBuffer bb) throws OFParseError {
+            return new U8(bb.readByte());
+        }
     }
+
 }