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      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.Map;
     24 
     25 /**
     26  * This class implements the GWT serialization of {@link LinkedHashMultimap}.
     27  *
     28  * @author Chris Povirk
     29  */
     30 public class LinkedHashMultimap_CustomFieldSerializer {
     31 
     32   public static void deserialize(SerializationStreamReader in,
     33       LinkedHashMultimap<?, ?> out) {
     34   }
     35 
     36   public static LinkedHashMultimap<Object, Object> instantiate(
     37       SerializationStreamReader in) throws SerializationException {
     38     LinkedHashMultimap<Object, Object> multimap =
     39         (LinkedHashMultimap<Object, Object>)
     40             Multimap_CustomFieldSerializerBase.populate(
     41                 in, LinkedHashMultimap.create());
     42 
     43     multimap.linkedEntries.clear(); // will clear and repopulate entries
     44     for (int i = 0; i < multimap.size(); i++) {
     45       Object key = in.readObject();
     46       Object value = in.readObject();
     47       multimap.linkedEntries.add(Maps.immutableEntry(key, value));
     48     }
     49 
     50     return multimap;
     51   }
     52 
     53   public static void serialize(SerializationStreamWriter out,
     54       LinkedHashMultimap<?, ?> multimap) throws SerializationException {
     55     Multimap_CustomFieldSerializerBase.serialize(out, multimap);
     56     for (Map.Entry<?, ?> entry : multimap.entries()) {
     57       out.writeObject(entry.getKey());
     58       out.writeObject(entry.getValue());
     59     }
     60   }
     61 }
     62