Generated most of the marshalling/unmarshalling bits.

git-svn-id: https://svn.apache.org/repos/asf/activemq/sandbox/activemq-protobuf@690632 13f79535-47bb-0310-9956-ffa450edef68

activemq-protobuf/src/main/java/org/apache/activemq/protobuf/Message.java

@@ -0,0 +1,86 @@
+/**
+ * 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.activemq.protobuf;
+
+import com.google.protobuf.CodedInputStream;
+import com.google.protobuf.CodedOutputStream;
+import com.google.protobuf.ExtensionRegistry;
+
+import static org.apache.activemq.protobuf.WireInfo.*;
+
+import java.io.IOException;
+
+abstract public class Message<T> {
+
+    protected int memoizedSerializedSize = -1;
+
+    static protected void writeGroup(CodedOutputStream output, int tag, Message message) throws IOException {
+        output.writeTag(tag, WIRETYPE_START_GROUP);
+        message.writeTo(output);
+        output.writeTag(tag, WIRETYPE_END_GROUP);
+    }
+
+    static protected void writeMessage(CodedOutputStream output, int tag, Message message) throws IOException {
+        output.writeTag(tag, WIRETYPE_LENGTH_DELIMITED);
+        output.writeRawVarint32(message.serializedSize());
+        message.writeTo(output);
+    }
+
+    static protected <T extends Message> T readGroup(CodedInputStream input, ExtensionRegistry extensionRegistry, int tag, T group) throws IOException {
+        group.mergeFrom(input, extensionRegistry);
+        input.checkLastTagWas(makeTag(tag, WIRETYPE_END_GROUP));
+        return group;
+    }
+
+    static protected <T extends Message> T readMessage(CodedInputStream input, ExtensionRegistry extensionRegistry,  T message) throws IOException {
+        int length = input.readRawVarint32();
+        int oldLimit = input.pushLimit(length);
+        message.mergeFrom(input, extensionRegistry);
+        input.checkLastTagWas(0);
+        input.popLimit(oldLimit);
+        return message;
+    }
+
+    static protected int computeGroupSize(int tag, Message message) {
+        return CodedOutputStream.computeTagSize(tag) * 2 + message.serializedSize();
+    }
+
+    static protected int computeMessageSize(int tag, Message message) {
+        int t = message.serializedSize();
+        return CodedOutputStream.computeTagSize(tag) +
+               CodedOutputStream.computeRawVarint32Size(t)+t;
+    }
+
+
+    abstract public T mergeFrom(T other);
+
+    public T mergeFrom(CodedInputStream input) throws IOException {
+        return mergeFrom(input, ExtensionRegistry.getEmptyRegistry());
+    }
+
+    abstract public T mergeFrom(CodedInputStream input, ExtensionRegistry extensionRegistry) throws IOException;
+
+    abstract public void writeTo(CodedOutputStream output) throws java.io.IOException;
+
+    abstract public T clone();
+
+    abstract public int serializedSize();
+
+    abstract public void clear();
+
+    abstract public boolean isInitialized();
+}

activemq-protobuf/src/main/java/org/apache/activemq/protobuf/WireInfo.java

@@ -0,0 +1,33 @@
+/**
+ * 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.activemq.protobuf;
+
+public class WireInfo {
+
+    public static final int WIRETYPE_VARINT = 0;
+    public static final int WIRETYPE_FIXED64 = 1;
+    public static final int WIRETYPE_LENGTH_DELIMITED = 2;
+    public static final int WIRETYPE_START_GROUP = 3;
+    public static final int WIRETYPE_END_GROUP = 4;
+    public static final int WIRETYPE_FIXED32 = 5;
+
+    public static final int TAG_TYPE_BITS = 3;
+
+    public static int makeTag(int fieldNumber, int wireType) {
+        return (fieldNumber << TAG_TYPE_BITS) | wireType;
+    }
+}

activemq-protobuf/src/main/java/org/apache/activemq/protobuf/compiler/EnumDescriptor.java

@@ -68,5 +68,9 @@ public String getQName() {
         }
     }
 
+    public boolean isEnum() {
+        return true;
+    }
+
 
 }