controller.Json.java Source code

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Here is the source code for controller.Json.java

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/*******************************************************************************
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *******************************************************************************/
package controller;

import java.io.IOException;
import java.io.StringWriter;

import org.json.simple.JSONArray;
import org.json.simple.JSONObject;
import org.json.simple.JSONValue;
import org.json.simple.parser.JSONParser;
import org.json.simple.parser.ParseException;

import com.google.gson.Gson;
import com.google.gson.GsonBuilder;

import model.NewRule;
import model.State;

/**
 * @author martijn
 *
 *         Class for creating JSON objects with the same format so it can be
 *         easily parsed in APEX
 */
public class Json {
    private String _state;
    private StringWriter _json;

    /**
     * Outputs JSON string with given message, specify state {Error: something
     * went wrong, Passed: everything is OK}
     * 
     * @param state
     * @param message
     * @return
     * @throws IOException
     */
    @SuppressWarnings("unchecked")
    public String createJson(State state, String message) {
        JSONObject jsonParse = new JSONObject();
        this._state = (state.equals(State.ERROR)) ? "ERROR" : "SUCCEEDED";
        jsonParse.put("STATE", _state);
        jsonParse.put("MESSAGE", message);
        _json = new StringWriter();
        try {
            jsonParse.writeJSONString(_json);
        } catch (IOException e) {
            e.printStackTrace();
        }
        return _json.toString();
    }

    @SuppressWarnings("unchecked")
    public String nestedJson(State state, JSONObject message) {
        JSONObject jsonParse = new JSONObject();
        this._state = (state.equals(State.ERROR)) ? "ERROR" : "SUCCEEDED";
        jsonParse.put("STATE", _state);
        jsonParse.put("MESSAGE", message);
        _json = new StringWriter();
        try {
            jsonParse.writeJSONString(_json);
        } catch (IOException e) {
            e.printStackTrace();
        }
        return _json.toString();
    }

    public NewRule parseNewRule(String json) throws ParseException {
        Gson gson = new GsonBuilder().create();
        NewRule rule = gson.fromJson(json, NewRule.class);
        return rule;
    }
}