com.viettel.viettellib.json.me.JSONParser.java Source code

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Here is the source code for com.viettel.viettellib.json.me.JSONParser.java

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/**
 * Copyright 2012 Viettel Telecome. All rights reserved.
 * VIETTEL PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
 */
package com.viettel.viettellib.json.me;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.UnsupportedEncodingException;
import java.net.URI;
import java.net.URISyntaxException;
import java.util.ArrayList;
import java.util.List;

import org.apache.commons.httpclient.HttpClient;
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.message.BasicNameValuePair;
import org.apache.http.util.EntityUtils;

import android.net.Uri;
import android.util.Log;

import com.viettel.viettellib.json.me.JSONArray;
import com.viettel.viettellib.json.me.JSONException;
import com.viettel.viettellib.json.me.JSONObject;

/**
 *  Mo ta muc dich cua lop (interface)
 *  @author: BangHN
 *  @version: 1.0
 *  @since: Sep 16, 2012
 */
public class JSONParser {

    static InputStream is = null;
    static JSONObject jObj = null;
    static JSONArray jArr = null;

    public JSONParser() {

    }

    /**
     * 
    *  Mo ta chuc nang cua ham
    *  @author: BangHN
    *  @param address 
    *  @param method
    *  @return
    *  @throws URISyntaxException
    *  @return: json string
    *  @throws:
     */
    public String excuteHttpRequest(String address, String method) {
        String jsonStr = "";

        String url = null;
        //Tao duong dan truy cap
        try {
            URI uri = new URI("http", "maps.googleapis.com", "/maps/api/geocode/json",
                    "address=" + address + "&sensor=true", null);
            url = uri.toASCIIString();
        } catch (URISyntaxException e1) {
            // TODO Auto-generated catch block
            e1.printStackTrace();
        }

        //1.truy vn server http://10.0.0.103/ltjoomla2106/index.php?option=com_json&format=json&id=15&task=requestdb
        /*to 1 client: chc nng ging nh trnh duyt*/
        DefaultHttpClient client = new DefaultHttpClient();

        /*to bin post  y d liu: --> to header ca giao thc http*/
        if (method == "POST") {
            HttpPost postObj = new HttpPost(url);
            /*t cc gi tr cn post vo bin http header*/
            try {
                //ly v response l d liu chui JSON
                /*bm nt submit form trn trnh duyt*/
                HttpResponse jsonString = client.execute(postObj);

                jsonStr = EntityUtils.toString(jsonString.getEntity());

                Log.e("JSON STRiNG", jsonStr);
            } catch (ClientProtocolException e) {
                // TODO Auto-generated catch block
                e.printStackTrace();
            } catch (IOException e) {
                // TODO Auto-generated catch block
                e.printStackTrace();
            }
        }
        if (method == "GET") {
            HttpGet getObj = new HttpGet(url);
            /*t cc gi tr cn post vo bin http header*/
            try {
                //ly v response l d liu chui JSON
                /*bm nt submit form trn trnh duyt*/
                HttpResponse jsonString = client.execute(getObj);

                jsonStr = EntityUtils.toString(jsonString.getEntity());

                Log.e("JSON STRiNG", jsonStr);
            } catch (ClientProtocolException e) {
                // TODO Auto-generated catch block
                e.printStackTrace();
            } catch (IOException e) {
                // TODO Auto-generated catch block
                e.printStackTrace();
            }
        }

        return jsonStr;
    }

    /**
     * 
    *  Mo ta chuc nang cua ham
    *  @author: BangHN
    *  @param jsonString
    *  @return
    *  @return: JSONObject
    *  @throws:
     */
    public JSONObject getJSONObject(String jsonString) {
        // try parse the string to a JSON object
        try {
            jObj = new JSONObject(jsonString);
        } catch (JSONException e) {
            Log.e("JSON Parser", "Error parsing data " + e.toString());
        }

        // return JSON String
        return jObj;
    }

    /**
     * 
    *  Mo ta chuc nang cua ham
    *  @author: BangHN
    *  @param jsonString
    *  @return
    *  @return: JSONArray
    *  @throws:
     */
    public JSONArray getJSONArray(String jsonString) {
        // try parse the string to a JSON object
        try {
            jArr = new JSONArray(jsonString);
        } catch (JSONException e) {
            Log.e("JSON Parser", "Error parsing data " + e.toString());
        }

        // return JSON String
        return jArr;
    }
}