Package com.microsoft.windowsazure.management.compute

Source Code of com.microsoft.windowsazure.management.compute.ExtensionImageOperationsImpl

/**
*
* Copyright (c) Microsoft and contributors.  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.
* 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.
*
*/

// Warning: This code was generated by a tool.
//
// Changes to this file may cause incorrect behavior and will be lost if the
// code is regenerated.

package com.microsoft.windowsazure.management.compute;

import com.microsoft.windowsazure.core.OperationResponse;
import com.microsoft.windowsazure.core.OperationStatus;
import com.microsoft.windowsazure.core.OperationStatusResponse;
import com.microsoft.windowsazure.core.ServiceOperations;
import com.microsoft.windowsazure.core.pipeline.apache.CustomHttpDelete;
import com.microsoft.windowsazure.core.utils.Base64;
import com.microsoft.windowsazure.exception.ServiceException;
import com.microsoft.windowsazure.management.compute.models.ExtensionEndpointConfiguration;
import com.microsoft.windowsazure.management.compute.models.ExtensionImageRegisterParameters;
import com.microsoft.windowsazure.management.compute.models.ExtensionImageUpdateParameters;
import com.microsoft.windowsazure.management.compute.models.ExtensionLocalResourceConfiguration;
import com.microsoft.windowsazure.tracing.ClientRequestTrackingHandler;
import com.microsoft.windowsazure.tracing.CloudTracing;
import java.io.IOException;
import java.io.StringWriter;
import java.net.URISyntaxException;
import java.text.SimpleDateFormat;
import java.util.HashMap;
import java.util.TimeZone;
import java.util.concurrent.Callable;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.Future;
import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.parsers.ParserConfigurationException;
import javax.xml.transform.Transformer;
import javax.xml.transform.TransformerException;
import javax.xml.transform.TransformerFactory;
import javax.xml.transform.dom.DOMSource;
import javax.xml.transform.stream.StreamResult;
import org.apache.http.HttpResponse;
import org.apache.http.HttpStatus;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.client.methods.HttpPut;
import org.apache.http.entity.StringEntity;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.xml.sax.SAXException;

/**
* The Service Management API includes operations for managing the service and
* virtual machine extension images in your publisher subscription.
*/
public class ExtensionImageOperationsImpl implements ServiceOperations<ComputeManagementClientImpl>, ExtensionImageOperations {
    /**
    * Initializes a new instance of the ExtensionImageOperationsImpl class.
    *
    * @param client Reference to the service client.
    */
    ExtensionImageOperationsImpl(ComputeManagementClientImpl client) {
        this.client = client;
    }
   
    private ComputeManagementClientImpl client;
   
    /**
    * Gets a reference to the
    * microsoft.windowsazure.management.compute.ComputeManagementClientImpl.
    * @return The Client value.
    */
    public ComputeManagementClientImpl getClient() {
        return this.client;
    }
   
    /**
    * Register a new extension. An extension is identified by the combination
    * of its ProviderNamespace and Type (case-sensitive string). It is not
    * allowed to register an extension with the same identity (i.e.
    * combination of ProviderNamespace and Type) of an already-registered
    * extension. To register new version of an existing extension, the Update
    * Extension API should be used.
    *
    * @param parameters Required. Parameters supplied to the Register Virtual
    * Machine Extension Image operation.
    * @return A standard service response including an HTTP status code and
    * request ID.
    */
    @Override
    public Future<OperationResponse> beginRegisteringAsync(final ExtensionImageRegisterParameters parameters) {
        return this.getClient().getExecutorService().submit(new Callable<OperationResponse>() {
            @Override
            public OperationResponse call() throws Exception {
                return beginRegistering(parameters);
            }
         });
    }
   
    /**
    * Register a new extension. An extension is identified by the combination
    * of its ProviderNamespace and Type (case-sensitive string). It is not
    * allowed to register an extension with the same identity (i.e.
    * combination of ProviderNamespace and Type) of an already-registered
    * extension. To register new version of an existing extension, the Update
    * Extension API should be used.
    *
    * @param parameters Required. Parameters supplied to the Register Virtual
    * Machine Extension Image operation.
    * @throws ParserConfigurationException Thrown if there was an error
    * configuring the parser for the response body.
    * @throws SAXException Thrown if there was an error parsing the response
    * body.
    * @throws TransformerException Thrown if there was an error creating the
    * DOM transformer.
    * @throws IOException Signals that an I/O exception of some sort has
    * occurred. This class is the general class of exceptions produced by
    * failed or interrupted I/O operations.
    * @throws ServiceException Thrown if an unexpected response is found.
    * @return A standard service response including an HTTP status code and
    * request ID.
    */
    @Override
    public OperationResponse beginRegistering(ExtensionImageRegisterParameters parameters) throws ParserConfigurationException, SAXException, TransformerException, IOException, ServiceException {
        // Validate
        if (parameters == null) {
            throw new NullPointerException("parameters");
        }
        if (parameters.getCertificate() != null) {
            if (parameters.getCertificate().getStoreLocation() == null) {
                throw new NullPointerException("parameters.Certificate.StoreLocation");
            }
        }
        if (parameters.getExtensionEndpoints() != null) {
            if (parameters.getExtensionEndpoints().getInputEndpoints() != null) {
                for (ExtensionEndpointConfiguration.InputEndpoint inputEndpointsParameterItem : parameters.getExtensionEndpoints().getInputEndpoints()) {
                    if (inputEndpointsParameterItem.getName() == null) {
                        throw new NullPointerException("parameters.ExtensionEndpoints.InputEndpoints.Name");
                    }
                    if (inputEndpointsParameterItem.getProtocol() == null) {
                        throw new NullPointerException("parameters.ExtensionEndpoints.InputEndpoints.Protocol");
                    }
                }
            }
            if (parameters.getExtensionEndpoints().getInternalEndpoints() != null) {
                for (ExtensionEndpointConfiguration.InternalEndpoint internalEndpointsParameterItem : parameters.getExtensionEndpoints().getInternalEndpoints()) {
                    if (internalEndpointsParameterItem.getName() == null) {
                        throw new NullPointerException("parameters.ExtensionEndpoints.InternalEndpoints.Name");
                    }
                    if (internalEndpointsParameterItem.getProtocol() == null) {
                        throw new NullPointerException("parameters.ExtensionEndpoints.InternalEndpoints.Protocol");
                    }
                }
            }
        }
        if (parameters.getLocalResources() != null) {
            for (ExtensionLocalResourceConfiguration localResourcesParameterItem : parameters.getLocalResources()) {
                if (localResourcesParameterItem.getName() == null) {
                    throw new NullPointerException("parameters.LocalResources.Name");
                }
            }
        }
        if (parameters.getProviderNameSpace() == null) {
            throw new NullPointerException("parameters.ProviderNameSpace");
        }
        if (parameters.getType() == null) {
            throw new NullPointerException("parameters.Type");
        }
        if (parameters.getVersion() == null) {
            throw new NullPointerException("parameters.Version");
        }
       
        // Tracing
        boolean shouldTrace = CloudTracing.getIsEnabled();
        String invocationId = null;
        if (shouldTrace) {
            invocationId = Long.toString(CloudTracing.getNextInvocationId());
            HashMap<String, Object> tracingParameters = new HashMap<String, Object>();
            tracingParameters.put("parameters", parameters);
            CloudTracing.enter(invocationId, this, "beginRegisteringAsync", tracingParameters);
        }
       
        // Construct URL
        String url = "/" + (this.getClient().getCredentials().getSubscriptionId() != null ? this.getClient().getCredentials().getSubscriptionId().trim() : "") + "/services/extensions";
        String baseUrl = this.getClient().getBaseUri().toString();
        // Trim '/' character from the end of baseUrl and beginning of url.
        if (baseUrl.charAt(baseUrl.length() - 1) == '/') {
            baseUrl = baseUrl.substring(0, (baseUrl.length() - 1) + 0);
        }
        if (url.charAt(0) == '/') {
            url = url.substring(1);
        }
        url = baseUrl + "/" + url;
       
        // Create HTTP transport objects
        HttpPost httpRequest = new HttpPost(url);
       
        // Set Headers
        httpRequest.setHeader("Content-Type", "application/xml");
        httpRequest.setHeader("x-ms-version", "2014-05-01");
       
        // Serialize Request
        String requestContent = null;
        DocumentBuilderFactory documentBuilderFactory = DocumentBuilderFactory.newInstance();
        DocumentBuilder documentBuilder = documentBuilderFactory.newDocumentBuilder();
        Document requestDoc = documentBuilder.newDocument();
       
        Element extensionImageElement = requestDoc.createElementNS("http://schemas.microsoft.com/windowsazure", "ExtensionImage");
        requestDoc.appendChild(extensionImageElement);
       
        Element providerNameSpaceElement = requestDoc.createElementNS("http://schemas.microsoft.com/windowsazure", "ProviderNameSpace");
        providerNameSpaceElement.appendChild(requestDoc.createTextNode(parameters.getProviderNameSpace()));
        extensionImageElement.appendChild(providerNameSpaceElement);
       
        Element typeElement = requestDoc.createElementNS("http://schemas.microsoft.com/windowsazure", "Type");
        typeElement.appendChild(requestDoc.createTextNode(parameters.getType()));
        extensionImageElement.appendChild(typeElement);
       
        Element versionElement = requestDoc.createElementNS("http://schemas.microsoft.com/windowsazure", "Version");
        versionElement.appendChild(requestDoc.createTextNode(parameters.getVersion()));
        extensionImageElement.appendChild(versionElement);
       
        if (parameters.getLabel() != null) {
            Element labelElement = requestDoc.createElementNS("http://schemas.microsoft.com/windowsazure", "Label");
            labelElement.appendChild(requestDoc.createTextNode(parameters.getLabel()));
            extensionImageElement.appendChild(labelElement);
        }
       
        if (parameters.getHostingResources() != null) {
            Element hostingResourcesElement = requestDoc.createElementNS("http://schemas.microsoft.com/windowsazure", "HostingResources");
            hostingResourcesElement.appendChild(requestDoc.createTextNode(parameters.getHostingResources()));
            extensionImageElement.appendChild(hostingResourcesElement);
        }
       
        if (parameters.getMediaLink() != null) {
            Element mediaLinkElement = requestDoc.createElementNS("http://schemas.microsoft.com/windowsazure", "MediaLink");
            mediaLinkElement.appendChild(requestDoc.createTextNode(parameters.getMediaLink().toString()));
            extensionImageElement.appendChild(mediaLinkElement);
        }
       
        if (parameters.getCertificate() != null) {
            Element certificateElement = requestDoc.createElementNS("http://schemas.microsoft.com/windowsazure", "Certificate");
            extensionImageElement.appendChild(certificateElement);
           
            Element storeLocationElement = requestDoc.createElementNS("http://schemas.microsoft.com/windowsazure", "StoreLocation");
            storeLocationElement.appendChild(requestDoc.createTextNode(parameters.getCertificate().getStoreLocation()));
            certificateElement.appendChild(storeLocationElement);
           
            if (parameters.getCertificate().getStoreName() != null) {
                Element storeNameElement = requestDoc.createElementNS("http://schemas.microsoft.com/windowsazure", "StoreName");
                storeNameElement.appendChild(requestDoc.createTextNode(parameters.getCertificate().getStoreName()));
                certificateElement.appendChild(storeNameElement);
            }
           
            if (parameters.getCertificate().isThumbprintRequired() != null) {
                Element thumbprintRequiredElement = requestDoc.createElementNS("http://schemas.microsoft.com/windowsazure", "ThumbprintRequired");
                thumbprintRequiredElement.appendChild(requestDoc.createTextNode(Boolean.toString(parameters.getCertificate().isThumbprintRequired()).toLowerCase()));
                certificateElement.appendChild(thumbprintRequiredElement);
            }
           
            if (parameters.getCertificate().getThumbprintAlgorithm() != null) {
                Element thumbprintAlgorithmElement = requestDoc.createElementNS("http://schemas.microsoft.com/windowsazure", "ThumbprintAlgorithm");
                thumbprintAlgorithmElement.appendChild(requestDoc.createTextNode(parameters.getCertificate().getThumbprintAlgorithm()));
                certificateElement.appendChild(thumbprintAlgorithmElement);
            }
        }
       
        if (parameters.getExtensionEndpoints() != null) {
            Element extensionEndpointsElement = requestDoc.createElementNS("http://schemas.microsoft.com/windowsazure", "ExtensionEndpoints");
            extensionImageElement.appendChild(extensionEndpointsElement);
           
            if (parameters.getExtensionEndpoints().getInputEndpoints() != null) {
                Element inputEndpointsSequenceElement = requestDoc.createElementNS("http://schemas.microsoft.com/windowsazure", "InputEndpoints");
                for (ExtensionEndpointConfiguration.InputEndpoint inputEndpointsItem : parameters.getExtensionEndpoints().getInputEndpoints()) {
                    Element inputEndpointElement = requestDoc.createElementNS("http://schemas.microsoft.com/windowsazure", "InputEndpoint");
                    inputEndpointsSequenceElement.appendChild(inputEndpointElement);
                   
                    Element nameElement = requestDoc.createElementNS("http://schemas.microsoft.com/windowsazure", "Name");
                    nameElement.appendChild(requestDoc.createTextNode(inputEndpointsItem.getName()));
                    inputEndpointElement.appendChild(nameElement);
                   
                    Element protocolElement = requestDoc.createElementNS("http://schemas.microsoft.com/windowsazure", "Protocol");
                    protocolElement.appendChild(requestDoc.createTextNode(inputEndpointsItem.getProtocol()));
                    inputEndpointElement.appendChild(protocolElement);
                   
                    Element portElement = requestDoc.createElementNS("http://schemas.microsoft.com/windowsazure", "Port");
                    portElement.appendChild(requestDoc.createTextNode(Integer.toString(inputEndpointsItem.getPort())));
                    inputEndpointElement.appendChild(portElement);
                   
                    Element localPortElement = requestDoc.createElementNS("http://schemas.microsoft.com/windowsazure", "LocalPort");
                    localPortElement.appendChild(requestDoc.createTextNode(Integer.toString(inputEndpointsItem.getLocalPort())));
                    inputEndpointElement.appendChild(localPortElement);
                }
                extensionEndpointsElement.appendChild(inputEndpointsSequenceElement);
            }
           
            if (parameters.getExtensionEndpoints().getInternalEndpoints() != null) {
                Element internalEndpointsSequenceElement = requestDoc.createElementNS("http://schemas.microsoft.com/windowsazure", "InternalEndpoints");
                for (ExtensionEndpointConfiguration.InternalEndpoint internalEndpointsItem : parameters.getExtensionEndpoints().getInternalEndpoints()) {
                    Element internalEndpointElement = requestDoc.createElementNS("http://schemas.microsoft.com/windowsazure", "InternalEndpoint");
                    internalEndpointsSequenceElement.appendChild(internalEndpointElement);
                   
                    Element nameElement2 = requestDoc.createElementNS("http://schemas.microsoft.com/windowsazure", "Name");
                    nameElement2.appendChild(requestDoc.createTextNode(internalEndpointsItem.getName()));
                    internalEndpointElement.appendChild(nameElement2);
                   
                    Element protocolElement2 = requestDoc.createElementNS("http://schemas.microsoft.com/windowsazure", "Protocol");
                    protocolElement2.appendChild(requestDoc.createTextNode(internalEndpointsItem.getProtocol()));
                    internalEndpointElement.appendChild(protocolElement2);
                   
                    Element portElement2 = requestDoc.createElementNS("http://schemas.microsoft.com/windowsazure", "Port");
                    portElement2.appendChild(requestDoc.createTextNode(Integer.toString(internalEndpointsItem.getPort())));
                    internalEndpointElement.appendChild(portElement2);
                }
                extensionEndpointsElement.appendChild(internalEndpointsSequenceElement);
            }
        }
       
        if (parameters.getPublicConfigurationSchema() != null) {
            Element publicConfigurationSchemaElement = requestDoc.createElementNS("http://schemas.microsoft.com/windowsazure", "PublicConfigurationSchema");
            publicConfigurationSchemaElement.appendChild(requestDoc.createTextNode(Base64.encode(parameters.getPublicConfigurationSchema().getBytes())));
            extensionImageElement.appendChild(publicConfigurationSchemaElement);
        }
       
        if (parameters.getPrivateConfigurationSchema() != null) {
            Element privateConfigurationSchemaElement = requestDoc.createElementNS("http://schemas.microsoft.com/windowsazure", "PrivateConfigurationSchema");
            privateConfigurationSchemaElement.appendChild(requestDoc.createTextNode(Base64.encode(parameters.getPrivateConfigurationSchema().getBytes())));
            extensionImageElement.appendChild(privateConfigurationSchemaElement);
        }
       
        if (parameters.getDescription() != null) {
            Element descriptionElement = requestDoc.createElementNS("http://schemas.microsoft.com/windowsazure", "Description");
            descriptionElement.appendChild(requestDoc.createTextNode(parameters.getDescription()));
            extensionImageElement.appendChild(descriptionElement);
        }
       
        if (parameters.getPublisherName() != null) {
            Element publisherNameElement = requestDoc.createElementNS("http://schemas.microsoft.com/windowsazure", "PublisherName");
            publisherNameElement.appendChild(requestDoc.createTextNode(parameters.getPublisherName()));
            extensionImageElement.appendChild(publisherNameElement);
        }
       
        if (parameters.getPublishedDate() != null) {
            Element publishedDateElement = requestDoc.createElementNS("http://schemas.microsoft.com/windowsazure", "PublishedDate");
            SimpleDateFormat simpleDateFormat = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss.SSSSSSS'Z'");
            simpleDateFormat.setTimeZone(TimeZone.getTimeZone("UTC"));
            publishedDateElement.appendChild(requestDoc.createTextNode(simpleDateFormat.format(parameters.getPublishedDate().getTime())));
            extensionImageElement.appendChild(publishedDateElement);
        }
       
        if (parameters.getLocalResources() != null) {
            Element localResourcesSequenceElement = requestDoc.createElementNS("http://schemas.microsoft.com/windowsazure", "LocalResources");
            for (ExtensionLocalResourceConfiguration localResourcesItem : parameters.getLocalResources()) {
                Element localResourceElement = requestDoc.createElementNS("http://schemas.microsoft.com/windowsazure", "LocalResource");
                localResourcesSequenceElement.appendChild(localResourceElement);
               
                Element nameElement3 = requestDoc.createElementNS("http://schemas.microsoft.com/windowsazure", "Name");
                nameElement3.appendChild(requestDoc.createTextNode(localResourcesItem.getName()));
                localResourceElement.appendChild(nameElement3);
               
                if (localResourcesItem.getSizeInMB() != null) {
                    Element sizeInMBElement = requestDoc.createElementNS("http://schemas.microsoft.com/windowsazure", "SizeInMB");
                    sizeInMBElement.appendChild(requestDoc.createTextNode(Integer.toString(localResourcesItem.getSizeInMB())));
                    localResourceElement.appendChild(sizeInMBElement);
                }
            }
            extensionImageElement.appendChild(localResourcesSequenceElement);
        }
       
        if (parameters.isBlockRoleUponFailure() != null) {
            Element blockRoleUponFailureElement = requestDoc.createElementNS("http://schemas.microsoft.com/windowsazure", "BlockRoleUponFailure");
            blockRoleUponFailureElement.appendChild(requestDoc.createTextNode(Boolean.toString(parameters.isBlockRoleUponFailure()).toLowerCase()));
            extensionImageElement.appendChild(blockRoleUponFailureElement);
        }
       
        if (parameters.isInternalExtension() != null) {
            Element isInternalExtensionElement = requestDoc.createElementNS("http://schemas.microsoft.com/windowsazure", "IsInternalExtension");
            isInternalExtensionElement.appendChild(requestDoc.createTextNode(Boolean.toString(parameters.isInternalExtension()).toLowerCase()));
            extensionImageElement.appendChild(isInternalExtensionElement);
        }
       
        if (parameters.getSampleConfig() != null) {
            Element sampleConfigElement = requestDoc.createElementNS("http://schemas.microsoft.com/windowsazure", "SampleConfig");
            sampleConfigElement.appendChild(requestDoc.createTextNode(parameters.getSampleConfig()));
            extensionImageElement.appendChild(sampleConfigElement);
        }
       
        if (parameters.getEula() != null) {
            Element eulaElement = requestDoc.createElementNS("http://schemas.microsoft.com/windowsazure", "Eula");
            eulaElement.appendChild(requestDoc.createTextNode(parameters.getEula().toString()));
            extensionImageElement.appendChild(eulaElement);
        }
       
        if (parameters.getPrivacyUri() != null) {
            Element privacyUriElement = requestDoc.createElementNS("http://schemas.microsoft.com/windowsazure", "PrivacyUri");
            privacyUriElement.appendChild(requestDoc.createTextNode(parameters.getPrivacyUri().toString()));
            extensionImageElement.appendChild(privacyUriElement);
        }
       
        if (parameters.getHomepageUri() != null) {
            Element homepageUriElement = requestDoc.createElementNS("http://schemas.microsoft.com/windowsazure", "HomepageUri");
            homepageUriElement.appendChild(requestDoc.createTextNode(parameters.getHomepageUri().toString()));
            extensionImageElement.appendChild(homepageUriElement);
        }
       
        if (parameters.isJsonExtension() != null) {
            Element isJsonExtensionElement = requestDoc.createElementNS("http://schemas.microsoft.com/windowsazure", "IsJsonExtension");
            isJsonExtensionElement.appendChild(requestDoc.createTextNode(Boolean.toString(parameters.isJsonExtension()).toLowerCase()));
            extensionImageElement.appendChild(isJsonExtensionElement);
        }
       
        if (parameters.isDisallowMajorVersionUpgrade() != null) {
            Element disallowMajorVersionUpgradeElement = requestDoc.createElementNS("http://schemas.microsoft.com/windowsazure", "DisallowMajorVersionUpgrade");
            disallowMajorVersionUpgradeElement.appendChild(requestDoc.createTextNode(Boolean.toString(parameters.isDisallowMajorVersionUpgrade()).toLowerCase()));
            extensionImageElement.appendChild(disallowMajorVersionUpgradeElement);
        }
       
        DOMSource domSource = new DOMSource(requestDoc);
        StringWriter stringWriter = new StringWriter();
        StreamResult streamResult = new StreamResult(stringWriter);
        TransformerFactory transformerFactory = TransformerFactory.newInstance();
        Transformer transformer = transformerFactory.newTransformer();
        transformer.transform(domSource, streamResult);
        requestContent = stringWriter.toString();
        StringEntity entity = new StringEntity(requestContent);
        httpRequest.setEntity(entity);
        httpRequest.setHeader("Content-Type", "application/xml");
       
        // Send Request
        HttpResponse httpResponse = null;
        try {
            if (shouldTrace) {
                CloudTracing.sendRequest(invocationId, httpRequest);
            }
            httpResponse = this.getClient().getHttpClient().execute(httpRequest);
            if (shouldTrace) {
                CloudTracing.receiveResponse(invocationId, httpResponse);
            }
            int statusCode = httpResponse.getStatusLine().getStatusCode();
            if (statusCode != HttpStatus.SC_ACCEPTED) {
                ServiceException ex = ServiceException.createFromXml(httpRequest, requestContent, httpResponse, httpResponse.getEntity());
                if (shouldTrace) {
                    CloudTracing.error(invocationId, ex);
                }
                throw ex;
            }
           
            // Create Result
            OperationResponse result = null;
            result = new OperationResponse();
            result.setStatusCode(statusCode);
            if (httpResponse.getHeaders("x-ms-request-id").length > 0) {
                result.setRequestId(httpResponse.getFirstHeader("x-ms-request-id").getValue());
            }
           
            if (shouldTrace) {
                CloudTracing.exit(invocationId, result);
            }
            return result;
        } finally {
            if (httpResponse != null && httpResponse.getEntity() != null) {
                httpResponse.getEntity().getContent().close();
            }
        }
    }
   
    /**
    * Unregister a version of an extension that was previously registered using
    * either the Register Extension or Update Extension APIs. An extension
    * version is identified by the combination of its ProviderNamespace, Type
    * and Version which are specified when registering the extension.
    * Unregistering is only allowed for internal extensions, that is, the
    * extensions for which the IsInternalExtension field is set to 'true'
    * during registration or during an update. There is a quota (15) on the
    * number of extensions that can be registered per subscription. If your
    * subscription runs out of quota, you will wither need to unregister some
    * of the internal extensions or contact Azure (same email used to become a
    * publisher)  to increase the quota.
    *
    * @param providerNamespace Required. The provider namespace of the
    * extension image to unregister.
    * @param type Required. The type of the extension image to unregister.
    * @param version Required. The version of the extension image to unregister.
    * @return A standard service response including an HTTP status code and
    * request ID.
    */
    @Override
    public Future<OperationResponse> beginUnregisteringAsync(final String providerNamespace, final String type, final String version) {
        return this.getClient().getExecutorService().submit(new Callable<OperationResponse>() {
            @Override
            public OperationResponse call() throws Exception {
                return beginUnregistering(providerNamespace, type, version);
            }
         });
    }
   
    /**
    * Unregister a version of an extension that was previously registered using
    * either the Register Extension or Update Extension APIs. An extension
    * version is identified by the combination of its ProviderNamespace, Type
    * and Version which are specified when registering the extension.
    * Unregistering is only allowed for internal extensions, that is, the
    * extensions for which the IsInternalExtension field is set to 'true'
    * during registration or during an update. There is a quota (15) on the
    * number of extensions that can be registered per subscription. If your
    * subscription runs out of quota, you will wither need to unregister some
    * of the internal extensions or contact Azure (same email used to become a
    * publisher)  to increase the quota.
    *
    * @param providerNamespace Required. The provider namespace of the
    * extension image to unregister.
    * @param type Required. The type of the extension image to unregister.
    * @param version Required. The version of the extension image to unregister.
    * @throws IOException Signals that an I/O exception of some sort has
    * occurred. This class is the general class of exceptions produced by
    * failed or interrupted I/O operations.
    * @throws ServiceException Thrown if an unexpected response is found.
    * @return A standard service response including an HTTP status code and
    * request ID.
    */
    @Override
    public OperationResponse beginUnregistering(String providerNamespace, String type, String version) throws IOException, ServiceException {
        // Validate
        if (providerNamespace == null) {
            throw new NullPointerException("providerNamespace");
        }
        if (type == null) {
            throw new NullPointerException("type");
        }
        if (version == null) {
            throw new NullPointerException("version");
        }
       
        // Tracing
        boolean shouldTrace = CloudTracing.getIsEnabled();
        String invocationId = null;
        if (shouldTrace) {
            invocationId = Long.toString(CloudTracing.getNextInvocationId());
            HashMap<String, Object> tracingParameters = new HashMap<String, Object>();
            tracingParameters.put("providerNamespace", providerNamespace);
            tracingParameters.put("type", type);
            tracingParameters.put("version", version);
            CloudTracing.enter(invocationId, this, "beginUnregisteringAsync", tracingParameters);
        }
       
        // Construct URL
        String url = "/" + (this.getClient().getCredentials().getSubscriptionId() != null ? this.getClient().getCredentials().getSubscriptionId().trim() : "") + "/services/extensions/" + providerNamespace.trim() + "/" + type.trim() + "/" + version.trim();
        String baseUrl = this.getClient().getBaseUri().toString();
        // Trim '/' character from the end of baseUrl and beginning of url.
        if (baseUrl.charAt(baseUrl.length() - 1) == '/') {
            baseUrl = baseUrl.substring(0, (baseUrl.length() - 1) + 0);
        }
        if (url.charAt(0) == '/') {
            url = url.substring(1);
        }
        url = baseUrl + "/" + url;
       
        // Create HTTP transport objects
        CustomHttpDelete httpRequest = new CustomHttpDelete(url);
       
        // Set Headers
        httpRequest.setHeader("Content-Type", "application/xml");
        httpRequest.setHeader("x-ms-version", "2014-05-01");
       
        // Send Request
        HttpResponse httpResponse = null;
        try {
            if (shouldTrace) {
                CloudTracing.sendRequest(invocationId, httpRequest);
            }
            httpResponse = this.getClient().getHttpClient().execute(httpRequest);
            if (shouldTrace) {
                CloudTracing.receiveResponse(invocationId, httpResponse);
            }
            int statusCode = httpResponse.getStatusLine().getStatusCode();
            if (statusCode != HttpStatus.SC_ACCEPTED) {
                ServiceException ex = ServiceException.createFromXml(httpRequest, null, httpResponse, httpResponse.getEntity());
                if (shouldTrace) {
                    CloudTracing.error(invocationId, ex);
                }
                throw ex;
            }
           
            // Create Result
            OperationResponse result = null;
            result = new OperationResponse();
            result.setStatusCode(statusCode);
            if (httpResponse.getHeaders("x-ms-request-id").length > 0) {
                result.setRequestId(httpResponse.getFirstHeader("x-ms-request-id").getValue());
            }
           
            if (shouldTrace) {
                CloudTracing.exit(invocationId, result);
            }
            return result;
        } finally {
            if (httpResponse != null && httpResponse.getEntity() != null) {
                httpResponse.getEntity().getContent().close();
            }
        }
    }
   
    /**
    * Update a new extension. It is allowed to update an extension which had
    * already been registered with the same identity (i.e. combination of
    * ProviderNamespace and Type) but with different version. It will fail if
    * the extension to update has an identity that has not been registered
    * before, or there is already an extension with the same identity and same
    * version.
    *
    * @param parameters Required. Parameters supplied to the Update Virtual
    * Machine Extension Image operation.
    * @return A standard service response including an HTTP status code and
    * request ID.
    */
    @Override
    public Future<OperationResponse> beginUpdatingAsync(final ExtensionImageUpdateParameters parameters) {
        return this.getClient().getExecutorService().submit(new Callable<OperationResponse>() {
            @Override
            public OperationResponse call() throws Exception {
                return beginUpdating(parameters);
            }
         });
    }
   
    /**
    * Update a new extension. It is allowed to update an extension which had
    * already been registered with the same identity (i.e. combination of
    * ProviderNamespace and Type) but with different version. It will fail if
    * the extension to update has an identity that has not been registered
    * before, or there is already an extension with the same identity and same
    * version.
    *
    * @param parameters Required. Parameters supplied to the Update Virtual
    * Machine Extension Image operation.
    * @throws ParserConfigurationException Thrown if there was an error
    * configuring the parser for the response body.
    * @throws SAXException Thrown if there was an error parsing the response
    * body.
    * @throws TransformerException Thrown if there was an error creating the
    * DOM transformer.
    * @throws IOException Signals that an I/O exception of some sort has
    * occurred. This class is the general class of exceptions produced by
    * failed or interrupted I/O operations.
    * @throws ServiceException Thrown if an unexpected response is found.
    * @return A standard service response including an HTTP status code and
    * request ID.
    */
    @Override
    public OperationResponse beginUpdating(ExtensionImageUpdateParameters parameters) throws ParserConfigurationException, SAXException, TransformerException, IOException, ServiceException {
        // Validate
        if (parameters == null) {
            throw new NullPointerException("parameters");
        }
        if (parameters.getCertificate() != null) {
            if (parameters.getCertificate().getStoreLocation() == null) {
                throw new NullPointerException("parameters.Certificate.StoreLocation");
            }
        }
        if (parameters.getExtensionEndpoints() != null) {
            if (parameters.getExtensionEndpoints().getInputEndpoints() != null) {
                for (ExtensionEndpointConfiguration.InputEndpoint inputEndpointsParameterItem : parameters.getExtensionEndpoints().getInputEndpoints()) {
                    if (inputEndpointsParameterItem.getName() == null) {
                        throw new NullPointerException("parameters.ExtensionEndpoints.InputEndpoints.Name");
                    }
                    if (inputEndpointsParameterItem.getProtocol() == null) {
                        throw new NullPointerException("parameters.ExtensionEndpoints.InputEndpoints.Protocol");
                    }
                }
            }
            if (parameters.getExtensionEndpoints().getInternalEndpoints() != null) {
                for (ExtensionEndpointConfiguration.InternalEndpoint internalEndpointsParameterItem : parameters.getExtensionEndpoints().getInternalEndpoints()) {
                    if (internalEndpointsParameterItem.getName() == null) {
                        throw new NullPointerException("parameters.ExtensionEndpoints.InternalEndpoints.Name");
                    }
                    if (internalEndpointsParameterItem.getProtocol() == null) {
                        throw new NullPointerException("parameters.ExtensionEndpoints.InternalEndpoints.Protocol");
                    }
                }
            }
        }
        if (parameters.getLocalResources() != null) {
            for (ExtensionLocalResourceConfiguration localResourcesParameterItem : parameters.getLocalResources()) {
                if (localResourcesParameterItem.getName() == null) {
                    throw new NullPointerException("parameters.LocalResources.Name");
                }
            }
        }
        if (parameters.getProviderNameSpace() == null) {
            throw new NullPointerException("parameters.ProviderNameSpace");
        }
        if (parameters.getType() == null) {
            throw new NullPointerException("parameters.Type");
        }
        if (parameters.getVersion() == null) {
            throw new NullPointerException("parameters.Version");
        }
       
        // Tracing
        boolean shouldTrace = CloudTracing.getIsEnabled();
        String invocationId = null;
        if (shouldTrace) {
            invocationId = Long.toString(CloudTracing.getNextInvocationId());
            HashMap<String, Object> tracingParameters = new HashMap<String, Object>();
            tracingParameters.put("parameters", parameters);
            CloudTracing.enter(invocationId, this, "beginUpdatingAsync", tracingParameters);
        }
       
        // Construct URL
        String url = "/" + (this.getClient().getCredentials().getSubscriptionId() != null ? this.getClient().getCredentials().getSubscriptionId().trim() : "") + "/services/extensions" + "?" + "action=update";
        String baseUrl = this.getClient().getBaseUri().toString();
        // Trim '/' character from the end of baseUrl and beginning of url.
        if (baseUrl.charAt(baseUrl.length() - 1) == '/') {
            baseUrl = baseUrl.substring(0, (baseUrl.length() - 1) + 0);
        }
        if (url.charAt(0) == '/') {
            url = url.substring(1);
        }
        url = baseUrl + "/" + url;
       
        // Create HTTP transport objects
        HttpPut httpRequest = new HttpPut(url);
       
        // Set Headers
        httpRequest.setHeader("Content-Type", "application/xml");
        httpRequest.setHeader("x-ms-version", "2014-05-01");
       
        // Serialize Request
        String requestContent = null;
        DocumentBuilderFactory documentBuilderFactory = DocumentBuilderFactory.newInstance();
        DocumentBuilder documentBuilder = documentBuilderFactory.newDocumentBuilder();
        Document requestDoc = documentBuilder.newDocument();
       
        Element extensionImageElement = requestDoc.createElementNS("http://schemas.microsoft.com/windowsazure", "ExtensionImage");
        requestDoc.appendChild(extensionImageElement);
       
        Element providerNameSpaceElement = requestDoc.createElementNS("http://schemas.microsoft.com/windowsazure", "ProviderNameSpace");
        providerNameSpaceElement.appendChild(requestDoc.createTextNode(parameters.getProviderNameSpace()));
        extensionImageElement.appendChild(providerNameSpaceElement);
       
        Element typeElement = requestDoc.createElementNS("http://schemas.microsoft.com/windowsazure", "Type");
        typeElement.appendChild(requestDoc.createTextNode(parameters.getType()));
        extensionImageElement.appendChild(typeElement);
       
        Element versionElement = requestDoc.createElementNS("http://schemas.microsoft.com/windowsazure", "Version");
        versionElement.appendChild(requestDoc.createTextNode(parameters.getVersion()));
        extensionImageElement.appendChild(versionElement);
       
        if (parameters.getLabel() != null) {
            Element labelElement = requestDoc.createElementNS("http://schemas.microsoft.com/windowsazure", "Label");
            labelElement.appendChild(requestDoc.createTextNode(parameters.getLabel()));
            extensionImageElement.appendChild(labelElement);
        }
       
        if (parameters.getHostingResources() != null) {
            Element hostingResourcesElement = requestDoc.createElementNS("http://schemas.microsoft.com/windowsazure", "HostingResources");
            hostingResourcesElement.appendChild(requestDoc.createTextNode(parameters.getHostingResources()));
            extensionImageElement.appendChild(hostingResourcesElement);
        }
       
        if (parameters.getMediaLink() != null) {
            Element mediaLinkElement = requestDoc.createElementNS("http://schemas.microsoft.com/windowsazure", "MediaLink");
            mediaLinkElement.appendChild(requestDoc.createTextNode(parameters.getMediaLink().toString()));
            extensionImageElement.appendChild(mediaLinkElement);
        }
       
        if (parameters.getCertificate() != null) {
            Element certificateElement = requestDoc.createElementNS("http://schemas.microsoft.com/windowsazure", "Certificate");
            extensionImageElement.appendChild(certificateElement);
           
            Element storeLocationElement = requestDoc.createElementNS("http://schemas.microsoft.com/windowsazure", "StoreLocation");
            storeLocationElement.appendChild(requestDoc.createTextNode(parameters.getCertificate().getStoreLocation()));
            certificateElement.appendChild(storeLocationElement);
           
            if (parameters.getCertificate().getStoreName() != null) {
                Element storeNameElement = requestDoc.createElementNS("http://schemas.microsoft.com/windowsazure", "StoreName");
                storeNameElement.appendChild(requestDoc.createTextNode(parameters.getCertificate().getStoreName()));
                certificateElement.appendChild(storeNameElement);
            }
           
            if (parameters.getCertificate().isThumbprintRequired() != null) {
                Element thumbprintRequiredElement = requestDoc.createElementNS("http://schemas.microsoft.com/windowsazure", "ThumbprintRequired");
                thumbprintRequiredElement.appendChild(requestDoc.createTextNode(Boolean.toString(parameters.getCertificate().isThumbprintRequired()).toLowerCase()));
                certificateElement.appendChild(thumbprintRequiredElement);
            }
           
            if (parameters.getCertificate().getThumbprintAlgorithm() != null) {
                Element thumbprintAlgorithmElement = requestDoc.createElementNS("http://schemas.microsoft.com/windowsazure", "ThumbprintAlgorithm");
                thumbprintAlgorithmElement.appendChild(requestDoc.createTextNode(parameters.getCertificate().getThumbprintAlgorithm()));
                certificateElement.appendChild(thumbprintAlgorithmElement);
            }
        }
       
        if (parameters.getExtensionEndpoints() != null) {
            Element extensionEndpointsElement = requestDoc.createElementNS("http://schemas.microsoft.com/windowsazure", "ExtensionEndpoints");
            extensionImageElement.appendChild(extensionEndpointsElement);
           
            if (parameters.getExtensionEndpoints().getInputEndpoints() != null) {
                Element inputEndpointsSequenceElement = requestDoc.createElementNS("http://schemas.microsoft.com/windowsazure", "InputEndpoints");
                for (ExtensionEndpointConfiguration.InputEndpoint inputEndpointsItem : parameters.getExtensionEndpoints().getInputEndpoints()) {
                    Element inputEndpointElement = requestDoc.createElementNS("http://schemas.microsoft.com/windowsazure", "InputEndpoint");
                    inputEndpointsSequenceElement.appendChild(inputEndpointElement);
                   
                    Element nameElement = requestDoc.createElementNS("http://schemas.microsoft.com/windowsazure", "Name");
                    nameElement.appendChild(requestDoc.createTextNode(inputEndpointsItem.getName()));
                    inputEndpointElement.appendChild(nameElement);
                   
                    Element protocolElement = requestDoc.createElementNS("http://schemas.microsoft.com/windowsazure", "Protocol");
                    protocolElement.appendChild(requestDoc.createTextNode(inputEndpointsItem.getProtocol()));
                    inputEndpointElement.appendChild(protocolElement);
                   
                    Element portElement = requestDoc.createElementNS("http://schemas.microsoft.com/windowsazure", "Port");
                    portElement.appendChild(requestDoc.createTextNode(Integer.toString(inputEndpointsItem.getPort())));
                    inputEndpointElement.appendChild(portElement);
                   
                    Element localPortElement = requestDoc.createElementNS("http://schemas.microsoft.com/windowsazure", "LocalPort");
                    localPortElement.appendChild(requestDoc.createTextNode(Integer.toString(inputEndpointsItem.getLocalPort())));
                    inputEndpointElement.appendChild(localPortElement);
                }
                extensionEndpointsElement.appendChild(inputEndpointsSequenceElement);
            }
           
            if (parameters.getExtensionEndpoints().getInternalEndpoints() != null) {
                Element internalEndpointsSequenceElement = requestDoc.createElementNS("http://schemas.microsoft.com/windowsazure", "InternalEndpoints");
                for (ExtensionEndpointConfiguration.InternalEndpoint internalEndpointsItem : parameters.getExtensionEndpoints().getInternalEndpoints()) {
                    Element internalEndpointElement = requestDoc.createElementNS("http://schemas.microsoft.com/windowsazure", "InternalEndpoint");
                    internalEndpointsSequenceElement.appendChild(internalEndpointElement);
                   
                    Element nameElement2 = requestDoc.createElementNS("http://schemas.microsoft.com/windowsazure", "Name");
                    nameElement2.appendChild(requestDoc.createTextNode(internalEndpointsItem.getName()));
                    internalEndpointElement.appendChild(nameElement2);
                   
                    Element protocolElement2 = requestDoc.createElementNS("http://schemas.microsoft.com/windowsazure", "Protocol");
                    protocolElement2.appendChild(requestDoc.createTextNode(internalEndpointsItem.getProtocol()));
                    internalEndpointElement.appendChild(protocolElement2);
                   
                    Element portElement2 = requestDoc.createElementNS("http://schemas.microsoft.com/windowsazure", "Port");
                    portElement2.appendChild(requestDoc.createTextNode(Integer.toString(internalEndpointsItem.getPort())));
                    internalEndpointElement.appendChild(portElement2);
                }
                extensionEndpointsElement.appendChild(internalEndpointsSequenceElement);
            }
        }
       
        if (parameters.getPublicConfigurationSchema() != null) {
            Element publicConfigurationSchemaElement = requestDoc.createElementNS("http://schemas.microsoft.com/windowsazure", "PublicConfigurationSchema");
            publicConfigurationSchemaElement.appendChild(requestDoc.createTextNode(Base64.encode(parameters.getPublicConfigurationSchema().getBytes())));
            extensionImageElement.appendChild(publicConfigurationSchemaElement);
        }
       
        if (parameters.getPrivateConfigurationSchema() != null) {
            Element privateConfigurationSchemaElement = requestDoc.createElementNS("http://schemas.microsoft.com/windowsazure", "PrivateConfigurationSchema");
            privateConfigurationSchemaElement.appendChild(requestDoc.createTextNode(Base64.encode(parameters.getPrivateConfigurationSchema().getBytes())));
            extensionImageElement.appendChild(privateConfigurationSchemaElement);
        }
       
        if (parameters.getDescription() != null) {
            Element descriptionElement = requestDoc.createElementNS("http://schemas.microsoft.com/windowsazure", "Description");
            descriptionElement.appendChild(requestDoc.createTextNode(parameters.getDescription()));
            extensionImageElement.appendChild(descriptionElement);
        }
       
        if (parameters.getPublisherName() != null) {
            Element publisherNameElement = requestDoc.createElementNS("http://schemas.microsoft.com/windowsazure", "PublisherName");
            publisherNameElement.appendChild(requestDoc.createTextNode(parameters.getPublisherName()));
            extensionImageElement.appendChild(publisherNameElement);
        }
       
        if (parameters.getPublishedDate() != null) {
            Element publishedDateElement = requestDoc.createElementNS("http://schemas.microsoft.com/windowsazure", "PublishedDate");
            SimpleDateFormat simpleDateFormat = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss.SSSSSSS'Z'");
            simpleDateFormat.setTimeZone(TimeZone.getTimeZone("UTC"));
            publishedDateElement.appendChild(requestDoc.createTextNode(simpleDateFormat.format(parameters.getPublishedDate().getTime())));
            extensionImageElement.appendChild(publishedDateElement);
        }
       
        if (parameters.getLocalResources() != null) {
            Element localResourcesSequenceElement = requestDoc.createElementNS("http://schemas.microsoft.com/windowsazure", "LocalResources");
            for (ExtensionLocalResourceConfiguration localResourcesItem : parameters.getLocalResources()) {
                Element localResourceElement = requestDoc.createElementNS("http://schemas.microsoft.com/windowsazure", "LocalResource");
                localResourcesSequenceElement.appendChild(localResourceElement);
               
                Element nameElement3 = requestDoc.createElementNS("http://schemas.microsoft.com/windowsazure", "Name");
                nameElement3.appendChild(requestDoc.createTextNode(localResourcesItem.getName()));
                localResourceElement.appendChild(nameElement3);
               
                if (localResourcesItem.getSizeInMB() != null) {
                    Element sizeInMBElement = requestDoc.createElementNS("http://schemas.microsoft.com/windowsazure", "SizeInMB");
                    sizeInMBElement.appendChild(requestDoc.createTextNode(Integer.toString(localResourcesItem.getSizeInMB())));
                    localResourceElement.appendChild(sizeInMBElement);
                }
            }
            extensionImageElement.appendChild(localResourcesSequenceElement);
        }
       
        if (parameters.isBlockRoleUponFailure() != null) {
            Element blockRoleUponFailureElement = requestDoc.createElementNS("http://schemas.microsoft.com/windowsazure", "BlockRoleUponFailure");
            blockRoleUponFailureElement.appendChild(requestDoc.createTextNode(Boolean.toString(parameters.isBlockRoleUponFailure()).toLowerCase()));
            extensionImageElement.appendChild(blockRoleUponFailureElement);
        }
       
        if (parameters.isInternalExtension() != null) {
            Element isInternalExtensionElement = requestDoc.createElementNS("http://schemas.microsoft.com/windowsazure", "IsInternalExtension");
            isInternalExtensionElement.appendChild(requestDoc.createTextNode(Boolean.toString(parameters.isInternalExtension()).toLowerCase()));
            extensionImageElement.appendChild(isInternalExtensionElement);
        }
       
        if (parameters.getSampleConfig() != null) {
            Element sampleConfigElement = requestDoc.createElementNS("http://schemas.microsoft.com/windowsazure", "SampleConfig");
            sampleConfigElement.appendChild(requestDoc.createTextNode(parameters.getSampleConfig()));
            extensionImageElement.appendChild(sampleConfigElement);
        }
       
        if (parameters.getEula() != null) {
            Element eulaElement = requestDoc.createElementNS("http://schemas.microsoft.com/windowsazure", "Eula");
            eulaElement.appendChild(requestDoc.createTextNode(parameters.getEula().toString()));
            extensionImageElement.appendChild(eulaElement);
        }
       
        if (parameters.getPrivacyUri() != null) {
            Element privacyUriElement = requestDoc.createElementNS("http://schemas.microsoft.com/windowsazure", "PrivacyUri");
            privacyUriElement.appendChild(requestDoc.createTextNode(parameters.getPrivacyUri().toString()));
            extensionImageElement.appendChild(privacyUriElement);
        }
       
        if (parameters.getHomepageUri() != null) {
            Element homepageUriElement = requestDoc.createElementNS("http://schemas.microsoft.com/windowsazure", "HomepageUri");
            homepageUriElement.appendChild(requestDoc.createTextNode(parameters.getHomepageUri().toString()));
            extensionImageElement.appendChild(homepageUriElement);
        }
       
        if (parameters.isJsonExtension() != null) {
            Element isJsonExtensionElement = requestDoc.createElementNS("http://schemas.microsoft.com/windowsazure", "IsJsonExtension");
            isJsonExtensionElement.appendChild(requestDoc.createTextNode(Boolean.toString(parameters.isJsonExtension()).toLowerCase()));
            extensionImageElement.appendChild(isJsonExtensionElement);
        }
       
        if (parameters.isDisallowMajorVersionUpgrade() != null) {
            Element disallowMajorVersionUpgradeElement = requestDoc.createElementNS("http://schemas.microsoft.com/windowsazure", "DisallowMajorVersionUpgrade");
            disallowMajorVersionUpgradeElement.appendChild(requestDoc.createTextNode(Boolean.toString(parameters.isDisallowMajorVersionUpgrade()).toLowerCase()));
            extensionImageElement.appendChild(disallowMajorVersionUpgradeElement);
        }
       
        DOMSource domSource = new DOMSource(requestDoc);
        StringWriter stringWriter = new StringWriter();
        StreamResult streamResult = new StreamResult(stringWriter);
        TransformerFactory transformerFactory = TransformerFactory.newInstance();
        Transformer transformer = transformerFactory.newTransformer();
        transformer.transform(domSource, streamResult);
        requestContent = stringWriter.toString();
        StringEntity entity = new StringEntity(requestContent);
        httpRequest.setEntity(entity);
        httpRequest.setHeader("Content-Type", "application/xml");
       
        // Send Request
        HttpResponse httpResponse = null;
        try {
            if (shouldTrace) {
                CloudTracing.sendRequest(invocationId, httpRequest);
            }
            httpResponse = this.getClient().getHttpClient().execute(httpRequest);
            if (shouldTrace) {
                CloudTracing.receiveResponse(invocationId, httpResponse);
            }
            int statusCode = httpResponse.getStatusLine().getStatusCode();
            if (statusCode != HttpStatus.SC_ACCEPTED) {
                ServiceException ex = ServiceException.createFromXml(httpRequest, requestContent, httpResponse, httpResponse.getEntity());
                if (shouldTrace) {
                    CloudTracing.error(invocationId, ex);
                }
                throw ex;
            }
           
            // Create Result
            OperationResponse result = null;
            result = new OperationResponse();
            result.setStatusCode(statusCode);
            if (httpResponse.getHeaders("x-ms-request-id").length > 0) {
                result.setRequestId(httpResponse.getFirstHeader("x-ms-request-id").getValue());
            }
           
            if (shouldTrace) {
                CloudTracing.exit(invocationId, result);
            }
            return result;
        } finally {
            if (httpResponse != null && httpResponse.getEntity() != null) {
                httpResponse.getEntity().getContent().close();
            }
        }
    }
   
    /**
    * Register a new extension. An extension is identified by the combination
    * of its ProviderNamespace and Type (case-sensitive string). It is not
    * allowed to register an extension with the same identity (i.e.
    * combination of ProviderNamespace and Type) of an already-registered
    * extension. To register new version of an existing extension, the Update
    * Extension API should be used.
    *
    * @param parameters Required. Parameters supplied to the Register Virtual
    * Machine Extension Image operation.
    * @return The response body contains the status of the specified
    * asynchronous operation, indicating whether it has succeeded, is
    * inprogress, or has failed. Note that this status is distinct from the
    * HTTP status code returned for the Get Operation Status operation itself.
    * If the asynchronous operation succeeded, the response body includes the
    * HTTP status code for the successful request. If the asynchronous
    * operation failed, the response body includes the HTTP status code for
    * the failed request and error information regarding the failure.
    */
    @Override
    public Future<OperationStatusResponse> registerAsync(final ExtensionImageRegisterParameters parameters) {
        return this.getClient().getExecutorService().submit(new Callable<OperationStatusResponse>() {
            @Override
            public OperationStatusResponse call() throws Exception {
                return register(parameters);
            }
         });
    }
   
    /**
    * Register a new extension. An extension is identified by the combination
    * of its ProviderNamespace and Type (case-sensitive string). It is not
    * allowed to register an extension with the same identity (i.e.
    * combination of ProviderNamespace and Type) of an already-registered
    * extension. To register new version of an existing extension, the Update
    * Extension API should be used.
    *
    * @param parameters Required. Parameters supplied to the Register Virtual
    * Machine Extension Image operation.
    * @throws InterruptedException Thrown when a thread is waiting, sleeping,
    * or otherwise occupied, and the thread is interrupted, either before or
    * during the activity. Occasionally a method may wish to test whether the
    * current thread has been interrupted, and if so, to immediately throw
    * this exception. The following code can be used to achieve this effect:
    * @throws ExecutionException Thrown when attempting to retrieve the result
    * of a task that aborted by throwing an exception. This exception can be
    * inspected using the Throwable.getCause() method.
    * @throws ServiceException Thrown if the server returned an error for the
    * request.
    * @throws IOException Thrown if there was an error setting up tracing for
    * the request.
    * @return The response body contains the status of the specified
    * asynchronous operation, indicating whether it has succeeded, is
    * inprogress, or has failed. Note that this status is distinct from the
    * HTTP status code returned for the Get Operation Status operation itself.
    * If the asynchronous operation succeeded, the response body includes the
    * HTTP status code for the successful request. If the asynchronous
    * operation failed, the response body includes the HTTP status code for
    * the failed request and error information regarding the failure.
    */
    @Override
    public OperationStatusResponse register(ExtensionImageRegisterParameters parameters) throws InterruptedException, ExecutionException, ServiceException, IOException {
        ComputeManagementClient client2 = this.getClient();
        boolean shouldTrace = CloudTracing.getIsEnabled();
        String invocationId = null;
        if (shouldTrace) {
            invocationId = Long.toString(CloudTracing.getNextInvocationId());
            HashMap<String, Object> tracingParameters = new HashMap<String, Object>();
            tracingParameters.put("parameters", parameters);
            CloudTracing.enter(invocationId, this, "registerAsync", tracingParameters);
        }
        try {
            if (shouldTrace) {
                client2 = this.getClient().withRequestFilterLast(new ClientRequestTrackingHandler(invocationId)).withResponseFilterLast(new ClientRequestTrackingHandler(invocationId));
            }
           
            OperationResponse response = client2.getExtensionImagesOperations().beginRegisteringAsync(parameters).get();
            OperationStatusResponse result = client2.getOperationStatusAsync(response.getRequestId()).get();
            int delayInSeconds = 30;
            if (client2.getLongRunningOperationInitialTimeout() >= 0) {
                delayInSeconds = client2.getLongRunningOperationInitialTimeout();
            }
            while ((result.getStatus() != OperationStatus.InProgress) == false) {
                Thread.sleep(delayInSeconds * 1000);
                result = client2.getOperationStatusAsync(response.getRequestId()).get();
                delayInSeconds = 30;
                if (client2.getLongRunningOperationRetryTimeout() >= 0) {
                    delayInSeconds = client2.getLongRunningOperationRetryTimeout();
                }
            }
           
            if (shouldTrace) {
                CloudTracing.exit(invocationId, result);
            }
           
            if (result.getStatus() != OperationStatus.Succeeded) {
                if (result.getError() != null) {
                    ServiceException ex = new ServiceException(result.getError().getCode() + " : " + result.getError().getMessage());
                    ex.setErrorCode(result.getError().getCode());
                    ex.setErrorMessage(result.getError().getMessage());
                    if (shouldTrace) {
                        CloudTracing.error(invocationId, ex);
                    }
                    throw ex;
                } else {
                    ServiceException ex = new ServiceException("");
                    if (shouldTrace) {
                        CloudTracing.error(invocationId, ex);
                    }
                    throw ex;
                }
            }
           
            return result;
        } finally {
            if (client2 != null && shouldTrace) {
                client2.close();
            }
        }
    }
   
    /**
    * Unregister a version of an extension that was previously registered using
    * either the Register Extension or Update Extension APIs. An extension
    * version is identified by the combination of its ProviderNamespace, Type
    * and Version which are specified when registering the extension.
    * Unregistering is only allowed for internal extensions, that is, the
    * extensions for which the IsInternalExtension field is set to 'true'
    * during registration or during an update. There is a quota (15) on the
    * number of extensions that can be registered per subscription. If your
    * subscription runs out of quota, you will wither need to unregister some
    * of the internal extensions or contact Azure (same email used to become a
    * publisher)  to increase the quota.
    *
    * @param providerNamespace Required. The provider namespace of the
    * extension image to unregister.
    * @param type Required. The type of the extension image to unregister.
    * @param version Required. The version of the extension image to unregister.
    * @return The response body contains the status of the specified
    * asynchronous operation, indicating whether it has succeeded, is
    * inprogress, or has failed. Note that this status is distinct from the
    * HTTP status code returned for the Get Operation Status operation itself.
    * If the asynchronous operation succeeded, the response body includes the
    * HTTP status code for the successful request. If the asynchronous
    * operation failed, the response body includes the HTTP status code for
    * the failed request and error information regarding the failure.
    */
    @Override
    public Future<OperationStatusResponse> unregisterAsync(final String providerNamespace, final String type, final String version) {
        return this.getClient().getExecutorService().submit(new Callable<OperationStatusResponse>() {
            @Override
            public OperationStatusResponse call() throws Exception {
                return unregister(providerNamespace, type, version);
            }
         });
    }
   
    /**
    * Unregister a version of an extension that was previously registered using
    * either the Register Extension or Update Extension APIs. An extension
    * version is identified by the combination of its ProviderNamespace, Type
    * and Version which are specified when registering the extension.
    * Unregistering is only allowed for internal extensions, that is, the
    * extensions for which the IsInternalExtension field is set to 'true'
    * during registration or during an update. There is a quota (15) on the
    * number of extensions that can be registered per subscription. If your
    * subscription runs out of quota, you will wither need to unregister some
    * of the internal extensions or contact Azure (same email used to become a
    * publisher)  to increase the quota.
    *
    * @param providerNamespace Required. The provider namespace of the
    * extension image to unregister.
    * @param type Required. The type of the extension image to unregister.
    * @param version Required. The version of the extension image to unregister.
    * @throws InterruptedException Thrown when a thread is waiting, sleeping,
    * or otherwise occupied, and the thread is interrupted, either before or
    * during the activity. Occasionally a method may wish to test whether the
    * current thread has been interrupted, and if so, to immediately throw
    * this exception. The following code can be used to achieve this effect:
    * @throws ExecutionException Thrown when attempting to retrieve the result
    * of a task that aborted by throwing an exception. This exception can be
    * inspected using the Throwable.getCause() method.
    * @throws ServiceException Thrown if the server returned an error for the
    * request.
    * @throws IOException Thrown if there was an error setting up tracing for
    * the request.
    * @return The response body contains the status of the specified
    * asynchronous operation, indicating whether it has succeeded, is
    * inprogress, or has failed. Note that this status is distinct from the
    * HTTP status code returned for the Get Operation Status operation itself.
    * If the asynchronous operation succeeded, the response body includes the
    * HTTP status code for the successful request. If the asynchronous
    * operation failed, the response body includes the HTTP status code for
    * the failed request and error information regarding the failure.
    */
    @Override
    public OperationStatusResponse unregister(String providerNamespace, String type, String version) throws InterruptedException, ExecutionException, ServiceException, IOException {
        ComputeManagementClient client2 = this.getClient();
        boolean shouldTrace = CloudTracing.getIsEnabled();
        String invocationId = null;
        if (shouldTrace) {
            invocationId = Long.toString(CloudTracing.getNextInvocationId());
            HashMap<String, Object> tracingParameters = new HashMap<String, Object>();
            tracingParameters.put("providerNamespace", providerNamespace);
            tracingParameters.put("type", type);
            tracingParameters.put("version", version);
            CloudTracing.enter(invocationId, this, "unregisterAsync", tracingParameters);
        }
        try {
            if (shouldTrace) {
                client2 = this.getClient().withRequestFilterLast(new ClientRequestTrackingHandler(invocationId)).withResponseFilterLast(new ClientRequestTrackingHandler(invocationId));
            }
           
            OperationResponse response = client2.getExtensionImagesOperations().beginUnregisteringAsync(providerNamespace, type, version).get();
            OperationStatusResponse result = client2.getOperationStatusAsync(response.getRequestId()).get();
            int delayInSeconds = 30;
            if (client2.getLongRunningOperationInitialTimeout() >= 0) {
                delayInSeconds = client2.getLongRunningOperationInitialTimeout();
            }
            while ((result.getStatus() != OperationStatus.InProgress) == false) {
                Thread.sleep(delayInSeconds * 1000);
                result = client2.getOperationStatusAsync(response.getRequestId()).get();
                delayInSeconds = 30;
                if (client2.getLongRunningOperationRetryTimeout() >= 0) {
                    delayInSeconds = client2.getLongRunningOperationRetryTimeout();
                }
            }
           
            if (shouldTrace) {
                CloudTracing.exit(invocationId, result);
            }
           
            if (result.getStatus() != OperationStatus.Succeeded) {
                if (result.getError() != null) {
                    ServiceException ex = new ServiceException(result.getError().getCode() + " : " + result.getError().getMessage());
                    ex.setErrorCode(result.getError().getCode());
                    ex.setErrorMessage(result.getError().getMessage());
                    if (shouldTrace) {
                        CloudTracing.error(invocationId, ex);
                    }
                    throw ex;
                } else {
                    ServiceException ex = new ServiceException("");
                    if (shouldTrace) {
                        CloudTracing.error(invocationId, ex);
                    }
                    throw ex;
                }
            }
           
            return result;
        } finally {
            if (client2 != null && shouldTrace) {
                client2.close();
            }
        }
    }
   
    /**
    * Update a new extension. It is allowed to update an extension which had
    * already been registered with the same identity (i.e. combination of
    * ProviderNamespace and Type) but with different version. It will fail if
    * the extension to update has an identity that has not been registered
    * before, or there is already an extension with the same identity and same
    * version.
    *
    * @param parameters Required. Parameters supplied to the Update Virtual
    * Machine Extension Image operation.
    * @return The response body contains the status of the specified
    * asynchronous operation, indicating whether it has succeeded, is
    * inprogress, or has failed. Note that this status is distinct from the
    * HTTP status code returned for the Get Operation Status operation itself.
    * If the asynchronous operation succeeded, the response body includes the
    * HTTP status code for the successful request. If the asynchronous
    * operation failed, the response body includes the HTTP status code for
    * the failed request and error information regarding the failure.
    */
    @Override
    public Future<OperationStatusResponse> updateAsync(final ExtensionImageUpdateParameters parameters) {
        return this.getClient().getExecutorService().submit(new Callable<OperationStatusResponse>() {
            @Override
            public OperationStatusResponse call() throws Exception {
                return update(parameters);
            }
         });
    }
   
    /**
    * Update a new extension. It is allowed to update an extension which had
    * already been registered with the same identity (i.e. combination of
    * ProviderNamespace and Type) but with different version. It will fail if
    * the extension to update has an identity that has not been registered
    * before, or there is already an extension with the same identity and same
    * version.
    *
    * @param parameters Required. Parameters supplied to the Update Virtual
    * Machine Extension Image operation.
    * @throws InterruptedException Thrown when a thread is waiting, sleeping,
    * or otherwise occupied, and the thread is interrupted, either before or
    * during the activity. Occasionally a method may wish to test whether the
    * current thread has been interrupted, and if so, to immediately throw
    * this exception. The following code can be used to achieve this effect:
    * @throws ExecutionException Thrown when attempting to retrieve the result
    * of a task that aborted by throwing an exception. This exception can be
    * inspected using the Throwable.getCause() method.
    * @throws ServiceException Thrown if the server returned an error for the
    * request.
    * @throws IOException Thrown if there was an error setting up tracing for
    * the request.
    * @throws ParserConfigurationException Thrown if there was an error
    * configuring the parser for the response body.
    * @throws SAXException Thrown if there was an error parsing the response
    * body.
    * @throws TransformerException Thrown if there was an error creating the
    * DOM transformer.
    * @throws ServiceException Thrown if an unexpected response is found.
    * @throws URISyntaxException Thrown if there was an error parsing a URI in
    * the response.
    * @return The response body contains the status of the specified
    * asynchronous operation, indicating whether it has succeeded, is
    * inprogress, or has failed. Note that this status is distinct from the
    * HTTP status code returned for the Get Operation Status operation itself.
    * If the asynchronous operation succeeded, the response body includes the
    * HTTP status code for the successful request. If the asynchronous
    * operation failed, the response body includes the HTTP status code for
    * the failed request and error information regarding the failure.
    */
    @Override
    public OperationStatusResponse update(ExtensionImageUpdateParameters parameters) throws InterruptedException, ExecutionException, ServiceException, IOException, ParserConfigurationException, SAXException, TransformerException, URISyntaxException {
        ComputeManagementClient client2 = this.getClient();
        boolean shouldTrace = CloudTracing.getIsEnabled();
        String invocationId = null;
        if (shouldTrace) {
            invocationId = Long.toString(CloudTracing.getNextInvocationId());
            HashMap<String, Object> tracingParameters = new HashMap<String, Object>();
            tracingParameters.put("parameters", parameters);
            CloudTracing.enter(invocationId, this, "updateAsync", tracingParameters);
        }
        try {
            if (shouldTrace) {
                client2 = this.getClient().withRequestFilterLast(new ClientRequestTrackingHandler(invocationId)).withResponseFilterLast(new ClientRequestTrackingHandler(invocationId));
            }
           
            OperationResponse response = client2.getExtensionImagesOperations().beginUpdatingAsync(parameters).get();
            OperationStatusResponse result = client2.getOperationStatusAsync(response.getRequestId()).get();
            int delayInSeconds = 30;
            if (client2.getLongRunningOperationInitialTimeout() >= 0) {
                delayInSeconds = client2.getLongRunningOperationInitialTimeout();
            }
            while ((result.getStatus() != OperationStatus.InProgress) == false) {
                Thread.sleep(delayInSeconds * 1000);
                result = client2.getOperationStatusAsync(response.getRequestId()).get();
                delayInSeconds = 30;
                if (client2.getLongRunningOperationRetryTimeout() >= 0) {
                    delayInSeconds = client2.getLongRunningOperationRetryTimeout();
                }
            }
           
            if (shouldTrace) {
                CloudTracing.exit(invocationId, result);
            }
           
            if (result.getStatus() != OperationStatus.Succeeded) {
                if (result.getError() != null) {
                    ServiceException ex = new ServiceException(result.getError().getCode() + " : " + result.getError().getMessage());
                    ex.setErrorCode(result.getError().getCode());
                    ex.setErrorMessage(result.getError().getMessage());
                    if (shouldTrace) {
                        CloudTracing.error(invocationId, ex);
                    }
                    throw ex;
                } else {
                    ServiceException ex = new ServiceException("");
                    if (shouldTrace) {
                        CloudTracing.error(invocationId, ex);
                    }
                    throw ex;
                }
            }
           
            return result;
        } finally {
            if (client2 != null && shouldTrace) {
                client2.close();
            }
        }
    }
}
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