JSONParser.java

package com.androidhive.jsonparsing;
 
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.UnsupportedEncodingException;

import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.client.ClientProtocolException;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.impl.client.DefaultHttpClient;
import org.json.JSONException;
import org.json.JSONObject;

import android.util.Log;
 
// From: http://www.androidhive.info/2012/01/android-json-parsing-tutorial/
public class JSONParser {
 
    static InputStream is = null;
    static JSONObject jObj = null;
    static String json = "";
 
    // constructor
    public JSONParser() {
 
    }
 
    public JSONObject getJSONFromUrl(String url) {
 
        // Making HTTP request
        try {
            // defaultHttpClient
            DefaultHttpClient httpClient = new DefaultHttpClient();
            HttpGet httpPost = new HttpGet(url);
 
            HttpResponse httpResponse = httpClient.execute(httpPost);
            HttpEntity httpEntity = httpResponse.getEntity();
            Log.d("json", "length=" + httpEntity.getContentLength());
            Log.d("json", "status=" + httpResponse.getStatusLine());
            is = httpEntity.getContent();           
 
        } catch (UnsupportedEncodingException e) {
            Log.d("error", e.toString());
        } catch (ClientProtocolException e) {
            Log.d("error", e.toString());
        } catch (IOException e) {
            Log.d("error", e.toString());
        }
 
        try {
            BufferedReader reader = new BufferedReader(new InputStreamReader(
                    is, "UTF-8"), 8);
            StringBuilder sb = new StringBuilder();
            String line = null;
            while ((line = reader.readLine()) != null) {
                sb.append(line + "\n");
            }
            is.close();
            json = sb.toString();
            Log.d("hige", "json=" + json);
        } catch (Exception e) {
            Log.e("Buffer Error", "Error converting result " + e.toString());
        }
 
        // try parse the string to a JSON object
        try {
            jObj = new JSONObject(json);
        } catch (JSONException e) {
            Log.e("JSON Parser", "Error parsing data " + e.toString());
        }
 
        // return JSON String
        return jObj;
 
    }
}