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.Comparator; 25 import java.util.SortedMap; 26 import java.util.TreeMap; 27 28 /** 29 * This class implements the GWT serialization of {@link ImmutableSortedMap}. 30 * 31 * @author Chris Povirk 32 */ 33 public class ImmutableSortedMap_CustomFieldSerializer { 34 public static void deserialize(SerializationStreamReader reader, 35 ImmutableSortedMap<?, ?> instance) { 36 } 37 38 public static ImmutableSortedMap<?, ?> instantiate( 39 SerializationStreamReader reader) throws SerializationException { 40 /* 41 * Nothing we can do, but we're already assuming the serialized form is 42 * correctly typed, anyway. 43 */ 44 @SuppressWarnings("unchecked") 45 Comparator<Object> comparator = (Comparator<Object>) reader.readObject(); 46 47 SortedMap<Object, Object> entries = new TreeMap<Object, Object>(comparator); 48 Map_CustomFieldSerializerBase.deserialize(reader, entries); 49 50 return ImmutableSortedMap.orderedBy(comparator).putAll(entries).build(); 51 } 52 53 public static void serialize(SerializationStreamWriter writer, 54 ImmutableSortedMap<?, ?> instance) throws SerializationException { 55 writer.writeObject(instance.comparator()); 56 57 Map_CustomFieldSerializerBase.serialize(writer, instance); 58 } 59 } 60