co.cask.cdap.common.zookeeper.coordination.ServiceDiscoveredCodec.java Source code

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Here is the source code for co.cask.cdap.common.zookeeper.coordination.ServiceDiscoveredCodec.java

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/*
 * Copyright  2014 Cask Data, 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 co.cask.cdap.common.zookeeper.coordination;

import com.google.gson.JsonArray;
import com.google.gson.JsonElement;
import com.google.gson.JsonObject;
import com.google.gson.JsonSerializationContext;
import com.google.gson.JsonSerializer;
import org.apache.twill.discovery.Discoverable;
import org.apache.twill.discovery.ServiceDiscovered;

import java.lang.reflect.Type;

/**
 * A Gson codec for {@link org.apache.twill.discovery.ServiceDiscovered}
 */
public class ServiceDiscoveredCodec implements JsonSerializer<ServiceDiscovered> {

    @Override
    public JsonElement serialize(ServiceDiscovered serviceDiscovered, Type typeOfSrc,
            JsonSerializationContext context) {
        JsonArray object = new JsonArray();
        for (Discoverable discoverable : serviceDiscovered) {
            JsonObject discoverableJson = new JsonObject();
            discoverableJson.addProperty("host", discoverable.getSocketAddress().getHostName());
            discoverableJson.addProperty("port", discoverable.getSocketAddress().getPort());

            object.add(discoverableJson);
        }
        return object;
    }
}