Android Open Source - android-http G S O N Parser

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License

The source code is released under:

Apache License

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Java Source Code

package com.markom.android.http.parser;
//from w w  w.  ja va  2  s . com
import java.lang.reflect.Type;

import com.google.gson.Gson;
import com.google.gson.JsonSyntaxException;
import com.markom.android.http.exceptions.GsonParsingException;

/**
 * Factory class for creating model object instances based on JSON string and Class parameter.
 * 
 * @author Marko Milos
 */
public class GSONParser {

  /**
   * Creates an object from the JSON response and the class which the object would be mapped to.
   * 
   * @param clazz a class instance.
   * @param json a JSON response.
   * @return a object of type <T>.
   * @throws GsonParsingException error while parsing JSON string with {@link Gson}.
   */
  public static <T> T createObjectFromResponse(Class<T> clazz, final String json) throws GsonParsingException {
    Gson gson = new Gson();

    T object = null;
    try {
      object = gson.fromJson(json, clazz);
      return object;
    } catch (JsonSyntaxException e) {
      throw new GsonParsingException(e.getMessage());
    }
  }

  /**
   * Creates an object list from the JSON response and the type of collection which the object would be mapped to.
   * 
   * @param type a type of collection to create.
   * @param json a JSON response.
   * @return a object of type <T>.
   * @throws GsonParsingException error while parsing JSON string with {@link Gson}.
   */
  public static <T> T createObjectListFromResponse(Type type, final String json) throws GsonParsingException {
    Gson gson = new Gson();

    T object = null;
    try {
      object = gson.fromJson(json, type);
      return object;
    } catch (JsonSyntaxException e) {
      throw new GsonParsingException(e.getMessage());
    }
  }

}

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