com.amazonaws.services.opsworks.model.transform.DescribeVolumesRequestMarshaller 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.opsworks.model.transform;

import static com.amazonaws.util.StringUtils.UTF8;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.OutputStreamWriter;
import java.io.StringWriter;
import java.io.Writer;
import java.util.Map;
import java.util.List;

import com.amazonaws.AmazonClientException;
import com.amazonaws.Request;
import com.amazonaws.DefaultRequest;
import com.amazonaws.http.HttpMethodName;
import com.amazonaws.services.opsworks.model.*;
import com.amazonaws.transform.Marshaller;
import com.amazonaws.util.BinaryUtils;
import com.amazonaws.util.StringUtils;
import com.amazonaws.util.StringInputStream;
import com.amazonaws.util.json.*;

/**
 * Describe Volumes Request Marshaller
 */
public class DescribeVolumesRequestMarshaller implements Marshaller, DescribeVolumesRequest> {

    public Request marshall(DescribeVolumesRequest describeVolumesRequest) {
    if (describeVolumesRequest == null) {
        throw new AmazonClientException("Invalid argument passed to marshall(...)");
    }

        Request request = new DefaultRequest(describeVolumesRequest, "AWSOpsWorks");
        String target = "OpsWorks_20130218.DescribeVolumes";
        request.addHeader("X-Amz-Target", target);
        request.addHeader("Content-Type", "application/x-amz-json-1.1");

        request.setHttpMethod(HttpMethodName.POST);

        String uriResourcePath = ""; 

        uriResourcePath = uriResourcePath.replaceAll("//", "/");

        if (uriResourcePath.contains("?")) {
            String queryString = uriResourcePath.substring(uriResourcePath.indexOf("?") + 1);
            uriResourcePath    = uriResourcePath.substring(0, uriResourcePath.indexOf("?"));

            for (String s : queryString.split("[;&]")) {
                String[] nameValuePair = s.split("=");
                if (nameValuePair.length == 2) {
                    request.addParameter(nameValuePair[0], nameValuePair[1]);
                } else {
                    request.addParameter(s, null);
                }
            }
        }

        request.setResourcePath(uriResourcePath);

        try {
          StringWriter stringWriter = new StringWriter();
          JSONWriter jsonWriter = new JSONWriter(stringWriter);

          jsonWriter.object();
          
            if (describeVolumesRequest.getInstanceId() != null) {
                jsonWriter.key("InstanceId").value(describeVolumesRequest.getInstanceId());
            }
            if (describeVolumesRequest.getStackId() != null) {
                jsonWriter.key("StackId").value(describeVolumesRequest.getStackId());
            }
            if (describeVolumesRequest.getRaidArrayId() != null) {
                jsonWriter.key("RaidArrayId").value(describeVolumesRequest.getRaidArrayId());
            }

            com.amazonaws.internal.ListWithAutoConstructFlag volumeIdsList = (com.amazonaws.internal.ListWithAutoConstructFlag)(describeVolumesRequest.getVolumeIds());
            if (volumeIdsList != null && !(volumeIdsList.isAutoConstruct() && volumeIdsList.isEmpty())) {

                jsonWriter.key("VolumeIds");
                jsonWriter.array();

                for (String volumeIdsListValue : volumeIdsList) {
                    if (volumeIdsListValue != null) {
                        jsonWriter.value(volumeIdsListValue);
                    }
                }
                jsonWriter.endArray();
            }

          jsonWriter.endObject();

          String snippet = stringWriter.toString();
          byte[] content = snippet.getBytes(UTF8);
          request.setContent(new StringInputStream(snippet));
          request.addHeader("Content-Length", Integer.toString(content.length));
        } catch(Throwable t) {
          throw new AmazonClientException("Unable to marshall request to JSON: " + t.getMessage(), t);
        }

        return request;
    }
}