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 23 import java.util.Collection; 24 import java.util.LinkedHashMap; 25 import java.util.Map; 26 27 /** 28 * This class implements the GWT serialization of {@link LinkedHashMultimap}. 29 * 30 * @author Chris Povirk 31 */ 32 public class LinkedHashMultimap_CustomFieldSerializer { 33 34 public static void deserialize(SerializationStreamReader in, 35 LinkedHashMultimap<?, ?> out) { 36 } 37 38 public static LinkedHashMultimap<Object, Object> instantiate( 39 SerializationStreamReader stream) throws SerializationException { 40 LinkedHashMultimap<Object, Object> multimap = LinkedHashMultimap.create(); 41 42 multimap.valueSetCapacity = stream.readInt(); 43 int distinctKeys = stream.readInt(); 44 Map<Object, Collection<Object>> map = 45 new LinkedHashMap<Object, Collection<Object>>(Maps.capacity(distinctKeys)); 46 for (int i = 0; i < distinctKeys; i++) { 47 Object key = stream.readObject(); 48 map.put(key, multimap.createCollection(key)); 49 } 50 int entries = stream.readInt(); 51 for (int i = 0; i < entries; i++) { 52 Object key = stream.readObject(); 53 Object value = stream.readObject(); 54 map.get(key).add(value); 55 } 56 multimap.setMap(map); 57 58 return multimap; 59 } 60 61 public static void serialize(SerializationStreamWriter stream, 62 LinkedHashMultimap<?, ?> multimap) throws SerializationException { 63 stream.writeInt(multimap.valueSetCapacity); 64 stream.writeInt(multimap.keySet().size()); 65 for (Object key : multimap.keySet()) { 66 stream.writeObject(key); 67 } 68 stream.writeInt(multimap.size()); 69 for (Map.Entry<?, ?> entry : multimap.entries()) { 70 stream.writeObject(entry.getKey()); 71 stream.writeObject(entry.getValue()); 72 } 73 } 74 } 75
