com.amazonaws.services.elasticmapreduce.model.transform.ClusterSummaryJsonUnmarshaller Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of aws-java-sdk Show documentation

The Amazon Web Services SDK for Java provides Java APIs for building software on AWS' cost-effective, scalable, and reliable infrastructure products. The AWS Java SDK allows developers to code against APIs for all of Amazon's infrastructure web services (Amazon S3, Amazon EC2, Amazon SQS, Amazon Relational Database Service, Amazon AutoScaling, etc).

The newest version!

/*
 * Copyright 2010-2014 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.elasticmapreduce.model.transform;

import java.util.Map;
import java.util.Map.Entry;

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

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

/**
 * Cluster Summary JSON Unmarshaller
 */
public class ClusterSummaryJsonUnmarshaller implements Unmarshaller {

    public ClusterSummary unmarshall(JsonUnmarshallerContext context) throws Exception {
        ClusterSummary clusterSummary = new ClusterSummary();

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

        JsonToken token = context.currentToken;
        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("Id", targetDepth)) {
                    context.nextToken();
                    clusterSummary.setId(StringJsonUnmarshaller.getInstance().unmarshall(context));
                }
                if (context.testExpression("Name", targetDepth)) {
                    context.nextToken();
                    clusterSummary.setName(StringJsonUnmarshaller.getInstance().unmarshall(context));
                }
                if (context.testExpression("Status", targetDepth)) {
                    context.nextToken();
                    clusterSummary.setStatus(ClusterStatusJsonUnmarshaller.getInstance().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 clusterSummary;
    }

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