public Request<StartWorkflowExecutionRequest> marshall(
      StartWorkflowExecutionRequest startWorkflowExecutionRequest) {
    if (startWorkflowExecutionRequest == null) {
      throw new AmazonClientException("Invalid argument passed to marshall(...)");
    }

    Request<StartWorkflowExecutionRequest> request =
        new DefaultRequest<StartWorkflowExecutionRequest>(
            startWorkflowExecutionRequest, "AmazonSimpleWorkflow");
    String target = "SimpleWorkflowService.StartWorkflowExecution";
    request.addHeader("X-Amz-Target", target);

    request.setHttpMethod(HttpMethodName.POST);
    request.setResourcePath("");

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

      jsonWriter.object();

      if (startWorkflowExecutionRequest.getDomain() != null) {
        jsonWriter.key("domain").value(startWorkflowExecutionRequest.getDomain());
      }
      if (startWorkflowExecutionRequest.getWorkflowId() != null) {
        jsonWriter.key("workflowId").value(startWorkflowExecutionRequest.getWorkflowId());
      }
      WorkflowType workflowType = startWorkflowExecutionRequest.getWorkflowType();
      if (workflowType != null) {

        jsonWriter.key("workflowType");
        jsonWriter.object();

        if (workflowType.getName() != null) {
          jsonWriter.key("name").value(workflowType.getName());
        }
        if (workflowType.getVersion() != null) {
          jsonWriter.key("version").value(workflowType.getVersion());
        }
        jsonWriter.endObject();
      }
      TaskList taskList = startWorkflowExecutionRequest.getTaskList();
      if (taskList != null) {

        jsonWriter.key("taskList");
        jsonWriter.object();

        if (taskList.getName() != null) {
          jsonWriter.key("name").value(taskList.getName());
        }
        jsonWriter.endObject();
      }
      if (startWorkflowExecutionRequest.getInput() != null) {
        jsonWriter.key("input").value(startWorkflowExecutionRequest.getInput());
      }
      if (startWorkflowExecutionRequest.getExecutionStartToCloseTimeout() != null) {
        jsonWriter
            .key("executionStartToCloseTimeout")
            .value(startWorkflowExecutionRequest.getExecutionStartToCloseTimeout());
      }

      com.amazonaws.internal.ListWithAutoConstructFlag<String> tagListList =
          (com.amazonaws.internal.ListWithAutoConstructFlag<String>)
              (startWorkflowExecutionRequest.getTagList());
      if (tagListList != null && !(tagListList.isAutoConstruct() && tagListList.isEmpty())) {

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

        for (String tagListListValue : tagListList) {
          if (tagListListValue != null) {
            jsonWriter.value(tagListListValue);
          }
        }
        jsonWriter.endArray();
      }
      if (startWorkflowExecutionRequest.getTaskStartToCloseTimeout() != null) {
        jsonWriter
            .key("taskStartToCloseTimeout")
            .value(startWorkflowExecutionRequest.getTaskStartToCloseTimeout());
      }
      if (startWorkflowExecutionRequest.getChildPolicy() != null) {
        jsonWriter.key("childPolicy").value(startWorkflowExecutionRequest.getChildPolicy());
      }

      jsonWriter.endObject();

      String snippet = stringWriter.toString();
      byte[] content = snippet.getBytes(UTF8);
      request.setContent(new StringInputStream(snippet));
      request.addHeader("Content-Length", Integer.toString(content.length));
      request.addHeader("Content-Type", "application/x-amz-json-1.0");
    } catch (Throwable t) {
      throw new AmazonClientException("Unable to marshall request to JSON: " + t.getMessage(), t);
    }

    return request;
  }
  public Request<StartWorkflowExecutionRequest> marshall(
      StartWorkflowExecutionRequest startWorkflowExecutionRequest) {
    if (startWorkflowExecutionRequest == null) {
      throw new AmazonClientException("Invalid argument passed to marshall(...)");
    }

    Request<StartWorkflowExecutionRequest> request =
        new DefaultRequest<StartWorkflowExecutionRequest>(
            startWorkflowExecutionRequest, "AmazonSimpleWorkflow");
    String target = "SimpleWorkflowService.StartWorkflowExecution";
    request.addHeader("X-Amz-Target", target);
    request.addHeader("Content-Type", "application/x-amz-json-1.0");

    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 (startWorkflowExecutionRequest.getDomain() != null) {
        jsonWriter.key("domain").value(startWorkflowExecutionRequest.getDomain());
      }
      if (startWorkflowExecutionRequest.getWorkflowId() != null) {
        jsonWriter.key("workflowId").value(startWorkflowExecutionRequest.getWorkflowId());
      }
      WorkflowType workflowType = startWorkflowExecutionRequest.getWorkflowType();
      if (workflowType != null) {

        jsonWriter.key("workflowType");
        jsonWriter.object();

        if (workflowType.getName() != null) {
          jsonWriter.key("name").value(workflowType.getName());
        }
        if (workflowType.getVersion() != null) {
          jsonWriter.key("version").value(workflowType.getVersion());
        }
        jsonWriter.endObject();
      }
      TaskList taskList = startWorkflowExecutionRequest.getTaskList();
      if (taskList != null) {

        jsonWriter.key("taskList");
        jsonWriter.object();

        if (taskList.getName() != null) {
          jsonWriter.key("name").value(taskList.getName());
        }
        jsonWriter.endObject();
      }
      if (startWorkflowExecutionRequest.getInput() != null) {
        jsonWriter.key("input").value(startWorkflowExecutionRequest.getInput());
      }
      if (startWorkflowExecutionRequest.getExecutionStartToCloseTimeout() != null) {
        jsonWriter
            .key("executionStartToCloseTimeout")
            .value(startWorkflowExecutionRequest.getExecutionStartToCloseTimeout());
      }

      java.util.List<String> tagListList = startWorkflowExecutionRequest.getTagList();
      if (tagListList != null && tagListList.size() > 0) {

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

        for (String tagListListValue : tagListList) {
          if (tagListListValue != null) {
            jsonWriter.value(tagListListValue);
          }
        }
        jsonWriter.endArray();
      }
      if (startWorkflowExecutionRequest.getTaskStartToCloseTimeout() != null) {
        jsonWriter
            .key("taskStartToCloseTimeout")
            .value(startWorkflowExecutionRequest.getTaskStartToCloseTimeout());
      }
      if (startWorkflowExecutionRequest.getChildPolicy() != null) {
        jsonWriter.key("childPolicy").value(startWorkflowExecutionRequest.getChildPolicy());
      }

      jsonWriter.endObject();

      String snippet = stringWriter.toString();
      byte[] content = snippet.getBytes("UTF-8");
      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;
  }