Android Open Source - base_app J S O N Utils

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License

The source code is released under:

GNU General Public License

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Java Source Code

package com.bengui.baseapp.utils;
//w  w  w. j  a v  a2 s  .com
import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;

import com.bengui.baseapp.services.ServiceException;

public abstract class JSONUtils {
  
  //Error attributes
  private static String TAG_ERR = "err";
  private static String TAG_ERR_NAME = "name";
  private static String TAG_ERR_MESSAGE = "message";
  
  /**
   * Validate if the response of the services are the JSON type
   * @param response Server response to validate
   * @throws ServiceException
   * @throws JSONException
   */
  public static void validateJsonObjetc(String response) throws ServiceException, JSONException {
    
    JSONObject jsonResponse;
    JSONArray jsonArray;
    
    try{
      jsonResponse = new JSONObject(response);
      
      if ( jsonResponse.has(TAG_ERR) ) {
        
        JSONObject err = (JSONObject) jsonResponse.getJSONObject(TAG_ERR);
        String nameError = err.getString(TAG_ERR_NAME);
        String messageError = err.getString(TAG_ERR_MESSAGE);
  
        throw new ServiceException(nameError, messageError);
        
      }
    }catch(JSONException e){
      
    
      jsonArray = new JSONArray(response);
      if ( jsonArray.getJSONObject(0).has(TAG_ERR) ) {
        
        JSONObject err = (JSONObject) jsonArray.getJSONObject(0).getJSONObject(TAG_ERR);
        String nameError = err.getString(TAG_ERR_NAME);
        String messageError = err.getString(TAG_ERR_MESSAGE);
        
        throw new ServiceException(nameError, messageError);
        
      }
      
    }
    
  }

  
  
}

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