es.deustotech.piramide.utils.net.JSONParser.java Source code

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Here is the source code for es.deustotech.piramide.utils.net.JSONParser.java

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/*
 * Copyright (C) 2010 PIRAmIDE-SP3 authors
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * 
 * This software consists of contributions made by many individuals, 
 * listed below:
 *
 * Author: Eduardo Castillejo <eduardo.castillejo@deusto.es>
 *          Pablo Ordua <pablo.orduna@deusto.es>
 *
 */

package es.deustotech.piramide.utils.net;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.util.Vector;

import org.apache.http.HttpEntity;
import org.json.JSONException;
import org.json.JSONObject;

import es.deustotech.piramide.utils.constants.Constants;
import es.deustotech.piramide.utils.parcelable.Point;

import android.util.Log;

public class JSONParser {

    private static String result;
    private static Vector<Point> points;

    public static Vector<Point> parseFromUrl(HttpEntity httpEntity) {
        if (httpEntity != null) {
            InputStream inStream;
            try {
                inStream = httpEntity.getContent();
                result = convertStreamToString(inStream);
                points = new Vector<Point>();
                final JSONObject jsonObj = new JSONObject(result);

                final JSONObject result = jsonObj.getJSONObject(Constants.JSON_RESPONSE_DATA);

                //show 8 results
                for (int i = 0; i < 8; i++) {
                    final JSONObject resultAux = (JSONObject) result.getJSONArray(Constants.JSON_RESULTS).get(i);
                    //               final JSONObject phoneAux    = (JSONObject) resultAux.getJSONArray(Constants.JSON_PHONE_NUMBERS).get(0);

                    final Point point = new Point(resultAux.getString(Constants.JSON_TITLE),
                            resultAux.getString(Constants.JSON_STREET), resultAux.getString(Constants.JSON_LAT),
                            resultAux.getString(Constants.JSON_LNG)

                    /*new PhoneNumbers(phoneAux.getString(Constants.JSON_TYPE), 
                    phoneAux.getString(Constants.JSON_NUMBER)), 
                    resultAux.getString(Constants.JSON_CITY), 
                    resultAux.getString(Constants.JSON_TITLE), 
                    resultAux.getString(Constants.JSON_REGION), 
                    resultAux.getString(Constants.JSON_TITLE_NO_FORMATTING), 
                    resultAux.getString(Constants.JSON_STREET), 
                    resultAux.getJSONArray(Constants.JSON_ADDRESS_LINES).getString(0), 
                    resultAux.getString(Constants.JSON_COUNTRY), 
                    resultAux.getString(Constants.JSON_LAT), 
                    resultAux.getString(Constants.JSON_LNG),
                    resultAux.getString(Constants.JSON_TO_HERE), 
                    resultAux.getString(Constants.JSON_FROM_HERE)*/);

                    points.add(point);
                }

                //            final JSONObject phoneAux    = (JSONObject) result.getJSONArray(Constants.JSON_PHONE_NUMBERS).get(0);

                /*
                Log.i(Constants.TAG, "<jsonobject>\n" + jsonObj.toString() + "\n</jsonobject>");
                    
                final JSONArray nameArray    = jsonObj.names();
                final JSONArray valArray    = jsonObj.toJSONArray(nameArray);
                    
                for(int i=0; i<valArray.length(); i++) {
                   Log.e(Constants.TAG, "<jsonname" + i + ">\n" + nameArray.getString(i) + "\n</jsonname" + i + ">\n" 
                 + "<jsonvalue" + i + ">\n" + valArray.getString(i) + "\n</jsonvalue" + i + ">");
                }
                jsonObj.put(Constants.SAMPLE_KEY, Constants.SAMPLE_VALUE);
                    
                Log.i(Constants.TAG, "<jsonobject>\n" + jsonObj.toString() + "\n</jsonobject>");
                 */

                inStream.close();
            } catch (IllegalStateException ise) {
                Log.d(Constants.TAG, ise.getMessage());
            } catch (IOException ioe) {
                Log.d(Constants.TAG, ioe.getMessage());
            } catch (JSONException je) {
                Log.d(Constants.TAG, je.getMessage());
            }
        } // If the response does not enclose an entity, there is no need
          // to worry about connection release
        return points;
    }

    private static String convertStreamToString(InputStream inStream) {
        final BufferedReader reader = new BufferedReader(new InputStreamReader(inStream));
        StringBuilder sb = new StringBuilder();
        String line = null;

        try {
            while ((line = reader.readLine()) != null) {
                sb.append(line + Constants.NEXT_LINE);
            }
        } catch (IOException e) {
            e.printStackTrace();
        } finally {
            try {
                inStream.close();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
        return sb.toString();
    }
}