/**
* Copyright 2010 Google Inc.
*
* Licensed 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() {
}
}