11d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert/* 21d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * Copyright (C) 2009 The Guava Authors 31d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * 41d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * Licensed under the Apache License, Version 2.0 (the "License"); 51d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * you may not use this file except in compliance with the License. 61d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * You may obtain a copy of the License at 71d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * 81d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * http://www.apache.org/licenses/LICENSE-2.0 91d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * 101d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * Unless required by applicable law or agreed to in writing, software 111d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * distributed under the License is distributed on an "AS IS" BASIS, 121d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 131d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * See the License for the specific language governing permissions and 141d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * limitations under the License. 151d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert */ 161d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert 171d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringertpackage com.google.common.collect; 181d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert 191d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringertimport com.google.gwt.user.client.rpc.SerializationException; 201d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringertimport com.google.gwt.user.client.rpc.SerializationStreamReader; 211d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringertimport com.google.gwt.user.client.rpc.SerializationStreamWriter; 221d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert 231d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringertimport java.util.Collection; 241d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringertimport java.util.Map; 251d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert 261d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert/** 271d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * This class contains static utility methods for writing {@code Multimap} GWT 281d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * field serializers. Serializers should delegate to 291d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * {@link #serialize(SerializationStreamWriter, Multimap)} and to either 301d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * {@link #instantiate(SerializationStreamReader, ImmutableMultimap.Builder)} or 311d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * {@link #populate(SerializationStreamReader, Multimap)}. 321d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * 331d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * @author Chris Povirk 341d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert */ 351d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringertpublic final class Multimap_CustomFieldSerializerBase { 361d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert 371d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert static ImmutableMultimap<Object, Object> instantiate( 381d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert SerializationStreamReader reader, 391d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert ImmutableMultimap.Builder<Object, Object> builder) 401d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert throws SerializationException { 411d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert int keyCount = reader.readInt(); 421d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert for (int i = 0; i < keyCount; ++i) { 431d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert Object key = reader.readObject(); 441d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert int valueCount = reader.readInt(); 451d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert for (int j = 0; j < valueCount; ++j) { 461d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert Object value = reader.readObject(); 471d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert builder.put(key, value); 481d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert } 491d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert } 501d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert return builder.build(); 511d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert } 521d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert 531d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert public static Multimap<Object, Object> populate( 541d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert SerializationStreamReader reader, Multimap<Object, Object> multimap) 551d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert throws SerializationException { 561d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert int keyCount = reader.readInt(); 571d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert for (int i = 0; i < keyCount; ++i) { 581d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert Object key = reader.readObject(); 591d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert int valueCount = reader.readInt(); 601d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert for (int j = 0; j < valueCount; ++j) { 611d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert Object value = reader.readObject(); 621d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert multimap.put(key, value); 631d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert } 641d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert } 651d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert return multimap; 661d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert } 671d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert 681d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert public static void serialize( 691d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert SerializationStreamWriter writer, Multimap<?, ?> instance) 701d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert throws SerializationException { 711d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert writer.writeInt(instance.asMap().size()); 721d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert for (Map.Entry<?, ? extends Collection<?>> entry 731d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert : instance.asMap().entrySet()) { 741d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert writer.writeObject(entry.getKey()); 751d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert writer.writeInt(entry.getValue().size()); 761d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert for (Object value : entry.getValue()) { 771d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert writer.writeObject(value); 781d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert } 791d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert } 801d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert } 811d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert 821d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert private Multimap_CustomFieldSerializerBase() {} 831d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert} 84