1 /* 2 * Copyright (C) 2009 The Guava Authors 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.google.common.collect; 18 19 import com.google.gwt.user.client.rpc.SerializationException; 20 import com.google.gwt.user.client.rpc.SerializationStreamReader; 21 import com.google.gwt.user.client.rpc.SerializationStreamWriter; 22 import com.google.gwt.user.client.rpc.core.java.util.Map_CustomFieldSerializerBase; 23 24 import java.util.LinkedHashMap; 25 import java.util.Map; 26 27 /** 28 * This class implements the GWT serialization of {@link RegularImmutableMap}. 29 * 30 * @author Hayward Chan 31 */ 32 public class RegularImmutableMap_CustomFieldSerializer { 33 34 public static void deserialize(SerializationStreamReader reader, 35 RegularImmutableMap<?, ?> instance) { 36 } 37 38 public static RegularImmutableMap<Object, Object> instantiate( 39 SerializationStreamReader reader) throws SerializationException { 40 Map<Object, Object> entries = new LinkedHashMap<Object, Object>(); 41 Map_CustomFieldSerializerBase.deserialize(reader, entries); 42 /* 43 * For this custom field serializer to be invoked, the map must have been 44 * RegularImmutableMap before it's serialized. Since RegularImmutableMap 45 * always have two or more elements, ImmutableMap.copyOf always return 46 * a RegularImmutableMap back. 47 */ 48 return (RegularImmutableMap<Object, Object>) ImmutableMap.copyOf(entries); 49 } 50 51 public static void serialize(SerializationStreamWriter writer, 52 RegularImmutableMap<?, ?> instance) throws SerializationException { 53 Map_CustomFieldSerializerBase.serialize(writer, instance); 54 } 55 } 56