JsonHelper.java

package com.jirkapenzes.utils;

import com.google.gson.*;

import java.io.BufferedReader;
import java.io.InputStream;
import java.io.InputStreamReader;

/**
 * @author Jirka Penzes (jiri.penzes@topmonks.com)
 */
public final class JsonHelper {

    public static JsonElement convertStringToJsonObject(String json) {
        JsonParser parser = new JsonParser();
        return parser.parse(json);
    }

    public static <T> T loadFromJson(GsonBuilder gsonBuilder, final InputStream inputStream, final Class<T> clazz) {
        if (inputStream != null) {
            final BufferedReader reader = new BufferedReader(new InputStreamReader(inputStream));

            return gsonBuilder.create().fromJson(reader, clazz);
        }
        return null;
    }

    public static String javascriptObjectToString(Object jsObject) {
        return new Gson().toJson(jsObject);
    }
}