/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.waveprotocol.box.server.robots;
import com.google.common.collect.Maps;
import com.google.gson.Gson;
import com.google.inject.AbstractModule;
import com.google.inject.Inject;
import com.google.inject.Provides;
import com.google.inject.Singleton;
import com.google.wave.api.Attachment;
import com.google.wave.api.Element;
import com.google.wave.api.ProtocolVersion;
import com.google.wave.api.RobotSerializer;
import com.google.wave.api.impl.GsonFactory;
import com.google.wave.api.v2.ElementGsonAdaptorV2;
import java.util.NavigableMap;
/**
* Guice module for setting up the {@link RobotSerializer}.
*
* @author ljvderijk@google.com (Lennard de Rijk)
*/
public class RobotSerializerModule extends AbstractModule {
@Provides
@Singleton
@Inject
RobotSerializer provideRobotSerializer() {
NavigableMap<ProtocolVersion, Gson> gsons = Maps.newTreeMap();
Gson gsonForPostV2 = new GsonFactory().create();
gsons.put(ProtocolVersion.V2_2, gsonForPostV2);
// Remove lines below if we want to stop support for <0.22
gsons.put(ProtocolVersion.V2_1, gsonForPostV2);
GsonFactory factoryForV2 = new GsonFactory();
ElementGsonAdaptorV2 elementGsonAdaptorV2 = new ElementGsonAdaptorV2();
factoryForV2.registerTypeAdapter(Element.class, elementGsonAdaptorV2);
factoryForV2.registerTypeAdapter(Attachment.class, elementGsonAdaptorV2);
gsons.put(ProtocolVersion.V2, factoryForV2.create());
return new RobotSerializer(gsons, ProtocolVersion.DEFAULT);
}
@Override
protected void configure() {
}
}