Convert JSON response string to corresponding object - Android File Input Output

Android examples for File Input Output:Json String

  1. HOME
  2. Android
  3. File Input Output
  4. Json String

Description

Convert JSON response string to corresponding object

Demo Code

/**//from w  w  w.ja va2s  .  c  om
 * Copyright 2011-2012 Renren Inc. All rights reserved.
 * ?? Powered by Team Pegasus. ??
 */
import android.text.TextUtils;

public class Main{
    private static JsonMapper mapper;
    private static Object lockObject = new Object();
    /**
     * Convert JSON response string to corresponding object
     * 
     * @param response
     *            Response string
     * @param valueType
     *            The target class
     * @return The object with type T will be returned if successfully parsing
     *         the JSON response string, or return null if failed.
     */
    public static <T> T parse(String response, Class<T> valueType) {
        if (TextUtils.isEmpty(response) || valueType == null) {
            return null;
        }
        if (mapper == null) {
            synchronized (lockObject) {
                if (mapper == null) {
                    mapper = new JsonMapper();
                }
            }
            // mapper = new ObjectMapper();
        }
        try {
            return mapper.readValue(response, valueType);
        } catch (Exception e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
        return null;
    }
}

Related Tutorials