com.dimasdanz.kendalipintu.util.JSONParser.java Source code

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Here is the source code for com.dimasdanz.kendalipintu.util.JSONParser.java

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/*******************************************************************************
 * Copyright (c) 2014 Dimas Rullyan Danu
 * 
 * Kendali Pintu 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.
 * 
 * Kendali Pintu 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 Kendali Pintu. If not, see <http://www.gnu.org/licenses/>.
 ******************************************************************************/
package com.dimasdanz.kendalipintu.util;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.UnsupportedEncodingException;
import java.net.SocketTimeoutException;
import java.util.List;

import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.NameValuePair;
import org.apache.http.client.ClientProtocolException;
import org.apache.http.client.entity.UrlEncodedFormEntity;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.client.utils.URLEncodedUtils;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.params.BasicHttpParams;
import org.apache.http.params.HttpConnectionParams;
import org.apache.http.params.HttpParams;
import org.json.JSONException;
import org.json.JSONObject;

import android.util.Log;

public class JSONParser {
    static InputStream is = null;
    static JSONObject jObj = null;
    static String json = "";
    int so_timeout = 8000;
    int co_timeout = 5000;

    public JSONParser() {

    }

    public JSONObject makeHttpRequest(String url, String method, List<NameValuePair> params) {
        try {
            HttpParams httpParameters = new BasicHttpParams();
            HttpConnectionParams.setSoTimeout(httpParameters, so_timeout);
            HttpConnectionParams.setConnectionTimeout(httpParameters, co_timeout);
            if (method == "POST") {
                DefaultHttpClient httpClient = new DefaultHttpClient(httpParameters);
                HttpPost httpPost = new HttpPost(url);
                httpPost.setEntity(new UrlEncodedFormEntity(params));

                HttpResponse httpResponse = httpClient.execute(httpPost);
                HttpEntity httpEntity = httpResponse.getEntity();
                is = httpEntity.getContent();
            } else if (method == "GET") {
                DefaultHttpClient httpClient = new DefaultHttpClient(httpParameters);
                String paramString = URLEncodedUtils.format(params, "utf-8");
                url += "?" + paramString;
                HttpGet httpGet = new HttpGet(url);

                HttpResponse httpResponse = httpClient.execute(httpGet);
                HttpEntity httpEntity = httpResponse.getEntity();
                is = httpEntity.getContent();
            }
        } catch (SocketTimeoutException e) {
            Log.e("SocketTimeoutException", "SocketTimeoutException");
            e.printStackTrace();
            return null;
        } catch (UnsupportedEncodingException e) {
            Log.e("UnsupportedEncodingException", "UnsupportedEncodingException");
            e.printStackTrace();
            return null;
        } catch (ClientProtocolException e) {
            Log.e("ClientProtocolException", "ClientProtocolException");
            e.printStackTrace();
            return null;
        } catch (IOException e) {
            Log.e("IOException", "IOException");
            e.printStackTrace();
            return null;
        }

        try {
            BufferedReader reader = new BufferedReader(new InputStreamReader(is, "iso-8859-1"), 8);
            StringBuilder sb = new StringBuilder();
            String line = null;
            while ((line = reader.readLine()) != null) {
                sb.append(line + "\n");
            }
            is.close();
            json = sb.toString();
        } catch (Exception e) {
            Log.e("Buffer Error", "Buffer Error :  " + e.toString());
            return null;
        }

        try {
            jObj = new JSONObject(json);
        } catch (JSONException e) {
            Log.e("JSON Parser", "Error parsing data " + e.toString());
            return null;
        }
        return jObj;
    }
}