com.amazonaws.services.elasticloadbalancing.model.transform.PolicyDescriptionStaxUnmarshaller 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.elasticloadbalancing.model.transform;

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

import javax.xml.stream.events.XMLEvent;

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

/**
 * Policy Description StAX Unmarshaller
 */
public class PolicyDescriptionStaxUnmarshaller implements Unmarshaller {

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

        if (context.isStartOfDocument()) targetDepth += 2;

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

            if (xmlEvent.isAttribute() || xmlEvent.isStartElement()) {
                if (context.testExpression("PolicyName", targetDepth)) {
                    policyDescription.setPolicyName(StringStaxUnmarshaller.getInstance().unmarshall(context));
                    continue;
                }
                if (context.testExpression("PolicyTypeName", targetDepth)) {
                    policyDescription.setPolicyTypeName(StringStaxUnmarshaller.getInstance().unmarshall(context));
                    continue;
                }
                if (context.testExpression("PolicyAttributeDescriptions/member", targetDepth)) {
                    policyDescription.getPolicyAttributeDescriptions().add(PolicyAttributeDescriptionStaxUnmarshaller.getInstance().unmarshall(context));
                    continue;
                }
            } else if (xmlEvent.isEndElement()) {
                if (context.getCurrentDepth() < originalDepth) {
                    return policyDescription;
                }
            }
        }
    }

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