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The AWS Java SDK for the Amazon EC2 Container Service holds the client classes that are used for communicating with the Amazon EC2 Container Service
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/*
 * Copyright 2010-2016 Amazon.com, Inc. or its affiliates. All Rights
 * Reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License").
 * You may not use this file except in compliance with the License.
 * A copy of the License is located at
 *
 *  http://aws.amazon.com/apache2.0
 *
 * or in the "license" file accompanying this file. This file 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 com.amazonaws.services.ecs.model.transform;

import java.util.Map;
import java.util.Map.Entry;
import java.math.*;
import java.nio.ByteBuffer;

import com.amazonaws.services.ecs.model.*;
import com.amazonaws.transform.SimpleTypeJsonUnmarshallers.*;
import com.amazonaws.transform.*;

import com.fasterxml.jackson.core.JsonToken;
import static com.fasterxml.jackson.core.JsonToken.*;

/**
 * Service JSON Unmarshaller
 */
public class ServiceJsonUnmarshaller implements
        Unmarshaller {

    public Service unmarshall(JsonUnmarshallerContext context) throws Exception {
        Service service = new Service();

        int originalDepth = context.getCurrentDepth();
        String currentParentElement = context.getCurrentParentElement();
        int targetDepth = originalDepth + 1;

        JsonToken token = context.getCurrentToken();
        if (token == null)
            token = context.nextToken();
        if (token == VALUE_NULL)
            return null;

        while (true) {
            if (token == null)
                break;

            if (token == FIELD_NAME || token == START_OBJECT) {
                if (context.testExpression("serviceArn", targetDepth)) {
                    context.nextToken();
                    service.setServiceArn(context.getUnmarshaller(String.class)
                            .unmarshall(context));
                }
                if (context.testExpression("serviceName", targetDepth)) {
                    context.nextToken();
                    service.setServiceName(context
                            .getUnmarshaller(String.class).unmarshall(context));
                }
                if (context.testExpression("clusterArn", targetDepth)) {
                    context.nextToken();
                    service.setClusterArn(context.getUnmarshaller(String.class)
                            .unmarshall(context));
                }
                if (context.testExpression("loadBalancers", targetDepth)) {
                    context.nextToken();
                    service.setLoadBalancers(new ListUnmarshaller(
                            LoadBalancerJsonUnmarshaller.getInstance())
                            .unmarshall(context));
                }
                if (context.testExpression("status", targetDepth)) {
                    context.nextToken();
                    service.setStatus(context.getUnmarshaller(String.class)
                            .unmarshall(context));
                }
                if (context.testExpression("desiredCount", targetDepth)) {
                    context.nextToken();
                    service.setDesiredCount(context.getUnmarshaller(
                            Integer.class).unmarshall(context));
                }
                if (context.testExpression("runningCount", targetDepth)) {
                    context.nextToken();
                    service.setRunningCount(context.getUnmarshaller(
                            Integer.class).unmarshall(context));
                }
                if (context.testExpression("pendingCount", targetDepth)) {
                    context.nextToken();
                    service.setPendingCount(context.getUnmarshaller(
                            Integer.class).unmarshall(context));
                }
                if (context.testExpression("taskDefinition", targetDepth)) {
                    context.nextToken();
                    service.setTaskDefinition(context.getUnmarshaller(
                            String.class).unmarshall(context));
                }
                if (context.testExpression("deploymentConfiguration",
                        targetDepth)) {
                    context.nextToken();
                    service.setDeploymentConfiguration(DeploymentConfigurationJsonUnmarshaller
                            .getInstance().unmarshall(context));
                }
                if (context.testExpression("deployments", targetDepth)) {
                    context.nextToken();
                    service.setDeployments(new ListUnmarshaller(
                            DeploymentJsonUnmarshaller.getInstance())
                            .unmarshall(context));
                }
                if (context.testExpression("roleArn", targetDepth)) {
                    context.nextToken();
                    service.setRoleArn(context.getUnmarshaller(String.class)
                            .unmarshall(context));
                }
                if (context.testExpression("events", targetDepth)) {
                    context.nextToken();
                    service.setEvents(new ListUnmarshaller(
                            ServiceEventJsonUnmarshaller.getInstance())
                            .unmarshall(context));
                }
                if (context.testExpression("createdAt", targetDepth)) {
                    context.nextToken();
                    service.setCreatedAt(context.getUnmarshaller(
                            java.util.Date.class).unmarshall(context));
                }
            } else if (token == END_ARRAY || token == END_OBJECT) {
                if (context.getLastParsedParentElement() == null
                        || context.getLastParsedParentElement().equals(
                                currentParentElement)) {
                    if (context.getCurrentDepth() <= originalDepth)
                        break;
                }
            }
            token = context.nextToken();
        }

        return service;
    }

    private static ServiceJsonUnmarshaller instance;

    public static ServiceJsonUnmarshaller getInstance() {
        if (instance == null)
            instance = new ServiceJsonUnmarshaller();
        return instance;
    }
}