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 contains static utility methods for writing {@code ImmutableSortedMap} GWT field 30 * serializers. 31 * 32 * @author Chris Povirk 33 */ 34 final class ImmutableSortedMap_CustomFieldSerializerBase { 35 static ImmutableSortedMap<Object, Object> instantiate(SerializationStreamReader reader) 36 throws SerializationException { 37 /* 38 * Nothing we can do, but we're already assuming the serialized form is 39 * correctly typed, anyway. 40 */ 41 @SuppressWarnings("unchecked") 42 Comparator<Object> comparator = (Comparator<Object>) reader.readObject(); 43 44 SortedMap<Object, Object> entries = new TreeMap<Object, Object>(comparator); 45 Map_CustomFieldSerializerBase.deserialize(reader, entries); 46 47 return ImmutableSortedMap.orderedBy(comparator).putAll(entries).build(); 48 } 49 50 static void serialize(SerializationStreamWriter writer, ImmutableSortedMap<?, ?> instance) 51 throws SerializationException { 52 writer.writeObject(instance.comparator()); 53 54 Map_CustomFieldSerializerBase.serialize(writer, instance); 55 } 56 57 private ImmutableSortedMap_CustomFieldSerializerBase() {} 58 } 59
