JsonUtils-step5.java

package com.udacity.sandwichclub.utils;

import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;

import java.util.ArrayList;


public class JsonUtils {

    public static Sandwich parseSandwichJson(String json) {
        try {

            /*  Step One: Convert json string to JSON object */
            JSONObject base = new JSONObject(json);

            /* Step Two: Parse the Base Object's Keys Into Autonomous Objects/Strings for Serializing  */
              // Handle anomolies first
          
                // Parsing the name key 
                  // Coerce name key to JSON object called "name"
                  JSONObject name = base.getJSONObject("name");
          
                      // Access the mainName key of the name object store it's value as String
                      String mainName = name.getString("mainName");
          
                      // Coerce the alsoKnownAs key to a JSON array called "altNames"
                      JSONArray altNames = name.getJSONArray("alsoKnownAs");
          
                          // Instantiate Array Literal for Alt Names called "altNamesList"
                          ArrayList<String> altNamesList = new ArrayList<>();
          
                          // Loop through altNames JSON array
                          for(int i=0; i<altNames.length(); i++) {
                              // Add each item in altNames to altNamesList
                              altNamesList.add(altNames.getString(i));
                          }
          
               
                // Parsing the ingredients key          
                  // Coerce ingredients key to a JSON array called "ingredients"
                  JSONArray ingredients = base.getJSONArray("ingredients");
          
                    // Instantiate Array Literal for Ingredients called "ingredientsList"
                    ArrayList<String> ingredientsList = new ArrayList<>();
          
                        // Loop through ingredients JSON array 
                        for(int i=0; i<ingredients.length(); i++) {
                            // Add each item in ingredients to the ingredientsList
                            ingredientsList.add(ingredients.getString(i));
                        }
          
          
                // Parsing keys with primitive assignments
                  // Access the placeOfOrigin key of the base object, store the value as String
                  String placeOfOrigin = base.getString("placeOfOrigin");
          
                  // Access the image key of the base object, store the value as String
                  String image = base.getString("image");
          
                  // Access the description key from the base object, store the value as String
                  String description = base.getString("description");
  

        } catch (JSONException e) {

            /* Print Any Errors */
            e.printStackTrace();
        }
        return null;
    }
}