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diff --git a/lib/javame/src/org/apache/thrift/meta_data/FieldMetaData.java b/lib/javame/src/org/apache/thrift/meta_data/FieldMetaData.java
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+/*
+ * 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.
+ */
+/*
+ * 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.thrift.meta_data;
+
+import org.apache.thrift.TBase;
+
+import java.util.Hashtable;
+
+
+/**
+ * This class is used to store meta data about thrift fields. Every field in a
+ * a struct should have a corresponding instance of this class describing it.
+ *
+ */
+public class FieldMetaData {
+ public final String fieldName;
+ public final byte requirementType;
+ public final FieldValueMetaData valueMetaData;
+ private static Hashtable structMap;
+
+ static {
+ structMap = new Hashtable();
+ }
+
+ public FieldMetaData(String name, byte req, FieldValueMetaData vMetaData){
+ this.fieldName = name;
+ this.requirementType = req;
+ this.valueMetaData = vMetaData;
+ }
+
+ public static void addStructMetaDataMap(Class sClass, Hashtable map){
+ structMap.put(sClass, map);
+ }
+
+ /**
+ * Returns a map with metadata (i.e. instances of FieldMetaData) that
+ * describe the fields of the given class.
+ *
+ * @param sClass The TBase class for which the metadata map is requested
+ */
+ public static Hashtable getStructMetaDataMap(Class sClass){
+ if (!structMap.containsKey(sClass)){ // Load class if it hasn't been loaded
+ try{
+ sClass.newInstance();
+ } catch (InstantiationException e){
+ throw new RuntimeException("InstantiationException for TBase class: " + sClass.getName() + ", message: " + e.getMessage());
+ } catch (IllegalAccessException e){
+ throw new RuntimeException("IllegalAccessException for TBase class: " + sClass.getName() + ", message: " + e.getMessage());
+ }
+ }
+ return (Hashtable) structMap.get(sClass);
+ }
+}