com.amazonaws.services.ec2.model.transform.MonitorInstancesResultStaxUnmarshaller Maven / Gradle / Ivy

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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).

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/*
 * 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.ec2.model.transform;

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

import javax.xml.stream.events.XMLEvent;

import com.amazonaws.services.ec2.model.*;
import com.amazonaws.transform.Unmarshaller;
import com.amazonaws.transform.MapEntry;
import com.amazonaws.transform.StaxUnmarshallerContext;
import com.amazonaws.transform.SimpleTypeStaxUnmarshallers.*;

/**
 * Monitor Instances Result StAX Unmarshaller
 */
public class MonitorInstancesResultStaxUnmarshaller implements Unmarshaller {

    public MonitorInstancesResult unmarshall(StaxUnmarshallerContext context) throws Exception {
        MonitorInstancesResult monitorInstancesResult = new MonitorInstancesResult();
        int originalDepth = context.getCurrentDepth();
        int targetDepth = originalDepth + 1;

        if (context.isStartOfDocument()) targetDepth += 1;

        while (true) {
            XMLEvent xmlEvent = context.nextEvent();
            if (xmlEvent.isEndDocument()) return monitorInstancesResult;

            if (xmlEvent.isAttribute() || xmlEvent.isStartElement()) {
                if (context.testExpression("instancesSet/item", targetDepth)) {
                    monitorInstancesResult.getInstanceMonitorings().add(InstanceMonitoringStaxUnmarshaller.getInstance().unmarshall(context));
                    continue;
                }
            } else if (xmlEvent.isEndElement()) {
                if (context.getCurrentDepth() < originalDepth) {
                    return monitorInstancesResult;
                }
            }
        }
    }

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