content: //
  //  Copyright (c) 2014 VK.com
  //
  //  Permission is hereby granted, free of charge, to any person obtaining a copy of
  //  this software and associated documentation files (the "Software"), to deal in
  //  the Software without restriction, including without limitation the rights to
  //  use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
  //  the Software, and to permit persons to whom the Software is furnished to do so,
  //  subject to the following conditions:
  //
  //  The above copyright notice and this permission notice shall be included in all
  //  copies or substantial portions of the Software.
  //
  //  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  //  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
  //  FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
  //  COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
  //  IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  //  CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  //
  
  package com.vk.sdk.api.methods;
  
  import com.vk.sdk.api.VKParameters;
  import com.vk.sdk.api.VKParser;
  import com.vk.sdk.api.VKRequest;
  import com.vk.sdk.api.model.VKApiModel;
  
  import java.util.Locale;
  
  /**
   * Basic class for all API-requests builders (parts)
   */
  class VKApiBase {
      /**
       * Selected methods group
       */
      private String mMethodGroup;
  
      VKApiBase() {
          String className = this.getClass().getSimpleName();
          if (className == null) {
              throw new ClassCastException("Enclosing classes denied");
          }
          mMethodGroup = className.substring("VKApi".length()).toLowerCase();
      }
  
      VKRequest prepareRequest(String methodName, VKParameters methodParameters) {
          return prepareRequest(methodName, methodParameters, VKRequest.HttpMethod.GET);
      }
  
      VKRequest prepareRequest(String methodName, VKParameters methodParameters,
                               VKRequest.HttpMethod httpMethod) {
          return prepareRequest(methodName, methodParameters, httpMethod, (VKParser)null);
      }
  
      VKRequest prepareRequest(String methodName, VKParameters methodParameters,
                               VKRequest.HttpMethod httpMethod,
                               Class<? extends VKApiModel> modelClass) {
          return new VKRequest(String.format(Locale.US, "%s.%s", mMethodGroup, methodName),
                  methodParameters, httpMethod, modelClass);
      }
      VKRequest prepareRequest(String methodName, VKParameters methodParameters,
                               VKRequest.HttpMethod httpMethod,
                               VKParser responseParser) {
          VKRequest result = new VKRequest(String.format(Locale.US, "%s.%s", mMethodGroup, methodName),
                  methodParameters, httpMethod);
          result.setResponseParser(responseParser);
          return result;
      }
  }
  