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// Licensed to the Software Freedom Conservancy (SFC) under one
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// or more contributor license agreements. See the NOTICE file
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// distributed with this work for additional information
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// regarding copyright ownership. The SFC licenses this file
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// to you under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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//     http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include "GetElementAttributeCommandHandler.h"
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#include "errorcodes.h"
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#include "../Browser.h"
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#include "../Element.h"
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#include "../IECommandExecutor.h"
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#include "../VariantUtilities.h"
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namespace webdriver {
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GetElementAttributeCommandHandler::GetElementAttributeCommandHandler(void) {
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}
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GetElementAttributeCommandHandler::~GetElementAttributeCommandHandler(void) {
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}
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void GetElementAttributeCommandHandler::ExecuteInternal(
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    const IECommandExecutor& executor,
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    const ParametersMap& command_parameters,
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    Response* response) {
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  ParametersMap::const_iterator id_parameter_iterator = command_parameters.find("id");
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  ParametersMap::const_iterator name_parameter_iterator = command_parameters.find("name");
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  if (id_parameter_iterator == command_parameters.end()) {
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    response->SetErrorResponse(ERROR_INVALID_ARGUMENT, "Missing parameter in URL: id");
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    return;
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  } else if (name_parameter_iterator == command_parameters.end()) {
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    response->SetErrorResponse(ERROR_INVALID_ARGUMENT, "Missing parameter in URL: name");
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    return;
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  } else {
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    std::string element_id = id_parameter_iterator->second.asString();
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    std::string name = name_parameter_iterator->second.asString();
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    BrowserHandle browser_wrapper;
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    int status_code = executor.GetCurrentBrowser(&browser_wrapper);
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    if (status_code != WD_SUCCESS) {
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      response->SetErrorResponse(ERROR_NO_SUCH_WINDOW, "Unable to get browser");
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      return;
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    }
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    ElementHandle element_wrapper;
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    status_code = this->GetElement(executor, element_id, &element_wrapper);
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    if (status_code == WD_SUCCESS) {
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      CComVariant attribute_value;
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      IECommandExecutor& mutable_executor = const_cast<IECommandExecutor&>(executor);
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      Json::Value value;
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      status_code = element_wrapper->GetAttributeValue(name,
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                                                       &attribute_value);
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      VariantUtilities::VariantAsJsonValue(mutable_executor.element_manager(),
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                                           attribute_value,
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                                           &value);
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      if (status_code != WD_SUCCESS) {
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        response->SetErrorResponse(status_code, "Unable to get attribute");
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        return;
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      } else {
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        response->SetSuccessResponse(value);
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        return;
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      }
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    } else if (status_code == ENOSUCHELEMENT) {
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      response->SetErrorResponse(ERROR_NO_SUCH_ELEMENT, "Invalid internal element ID requested: " + element_id);
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      return;
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    } else {
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      response->SetErrorResponse(ERROR_STALE_ELEMENT_REFERENCE, "Element is no longer valid");
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      return;
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    }
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  }
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}
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} // namespace webdriver
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