es.rocapal.wtl.api.WTLManager.java Source code

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Here is the source code for es.rocapal.wtl.api.WTLManager.java

Source

/*
 *
 *  Copyright (C) Roberto Calvo Palomino
 *
 *  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/. 
 *
 *  Author : Roberto Calvo Palomino <rocapal at gmail dot com>
 *
 */

package es.rocapal.wtl.api;

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

import android.util.Log;
import es.rocapal.utils.Download.HTTPActions;

public class WTLManager {

    private final String TAG = getClass().getSimpleName();
    private final String CODE_KEY = "code";
    private final String MSG_KEY = "message";

    private static WTLManager mInstance = null;
    private String mIp;
    private Integer mPort;
    private String mUriRest;

    private WTLManager() {
    }

    public synchronized static WTLManager getInstance() {
        if (mInstance == null)
            mInstance = new WTLManager();

        return mInstance;
    }

    public void setAddress(String ip, Integer port) {
        mIp = ip;
        mPort = port;

        mUriRest = "http://" + mIp + ":" + mPort.toString() + "/api";
    }

    public Response getStatus() {
        String jsonResponse = HTTPActions.doGetPetition(mUriRest + "/status");
        return parseResponse(jsonResponse);
    }

    public Response start() {
        String jsonResponse = HTTPActions.doGetPetition(mUriRest + "/start");
        return parseResponse(jsonResponse);
    }

    public Response stop() {
        String jsonResponse = HTTPActions.doGetPetition(mUriRest + "/stop");
        return parseResponse(jsonResponse);
    }

    private Response parseResponse(String jsonResponse) {
        JSONObject json;

        if (jsonResponse == null)
            return null;

        try {
            json = new JSONObject(jsonResponse);
            if (json.has(CODE_KEY) && json.has(MSG_KEY))
                return new Response(json.getInt(CODE_KEY), json.getString(MSG_KEY));
            else
                return null;

        } catch (JSONException e) {
            Log.e(TAG, e.getMessage());
            return null;
        }

    }

}