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.Collection_CustomFieldSerializerBase; 23 24 import java.util.ArrayList; 25 import java.util.Comparator; 26 import java.util.List; 27 28 /** 29 * This class implements the GWT serialization of 30 * {@link RegularImmutableSortedSet}. 31 * 32 * @author Chris Povirk 33 */ 34 public class RegularImmutableSortedSet_CustomFieldSerializer { 35 public static void deserialize(SerializationStreamReader reader, 36 RegularImmutableSortedSet<?> instance) { 37 } 38 39 public static RegularImmutableSortedSet<Object> instantiate( 40 SerializationStreamReader reader) throws SerializationException { 41 /* 42 * Nothing we can do, but we're already assuming the serialized form is 43 * correctly typed, anyway. 44 */ 45 @SuppressWarnings("unchecked") 46 Comparator<Object> comparator = (Comparator<Object>) reader.readObject(); 47 48 List<Object> elements = new ArrayList<Object>(); 49 Collection_CustomFieldSerializerBase.deserialize(reader, elements); 50 /* 51 * For this custom field serializer to be invoked, the set must have been 52 * RegularImmutableSortedSet before it's serialized. Since 53 * RegularImmutableSortedSet always have one or more elements, 54 * ImmutableSortedSet.copyOf always return a RegularImmutableSortedSet back. 55 */ 56 return (RegularImmutableSortedSet<Object>) 57 ImmutableSortedSet.copyOf(comparator, elements); 58 } 59 60 public static void serialize(SerializationStreamWriter writer, 61 RegularImmutableSortedSet<?> instance) throws SerializationException { 62 writer.writeObject(instance.comparator()); 63 64 Collection_CustomFieldSerializerBase.serialize(writer, instance); 65 } 66 } 67
