org.n52.geoar.data.wiki.WikiResponse.java Source code

Introduction

Here is the source code for org.n52.geoar.data.wiki.WikiResponse.java

Source

/**
 * Copyright 2012 52North Initiative for Geospatial Open Source Software GmbH
 *
 * 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.
 */
package org.n52.geoar.data.wiki;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.util.ArrayList;
import java.util.List;

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

/**
 * 
 * @author Arne de Wall <a.dewall@52North.org>
 *
 */
public class WikiResponse {

    private static String ATTRIB_TITLE = "title";
    private static String ATTRIB_ID = "id";
    private static String ATTRIB_LAT = "lat";
    private static String ATTRIB_LON = "lng";
    private static String ATTRIB_ALT = "elevation";
    private static String ATTRIB_URL = "url";

    static List<WikiResult> getWikiresultsFromResponse(InputStream content) throws IOException {

        List<WikiResult> resultList = new ArrayList<WikiResult>();

        BufferedReader streamReader = new BufferedReader(new InputStreamReader(content, "UTF-8"));
        StringBuilder responseStrBuilder = new StringBuilder();

        String inputStr;
        while ((inputStr = streamReader.readLine()) != null)
            responseStrBuilder.append(inputStr);

        try {
            JSONObject root = new JSONObject(responseStrBuilder.toString());
            JSONArray dataArray = root.getJSONArray("articles");

            for (int i = 0, length = dataArray.length(); i < length; i++) {
                JSONObject wikiObject = dataArray.getJSONObject(i);
                WikiResult wr = null;
                if (wikiObject.has(ATTRIB_TITLE) && wikiObject.has(ATTRIB_LAT) && wikiObject.has(ATTRIB_LON)) {
                    wr = new WikiResult(wikiObject.getString(ATTRIB_ID), wikiObject.getString(ATTRIB_TITLE),
                            wikiObject.getDouble(ATTRIB_LAT), wikiObject.getDouble(ATTRIB_LON));

                    // FIXME make altitude still a parameter
                    //               if (wikiObject.has(ATTRIB_ALT))
                    //                  wr.setAltitude(wikiObject.getInt(ATTRIB_ALT));

                    /** requesting mobile version of website */
                    if (wikiObject.has(ATTRIB_URL)) {
                        String url = wikiObject.getString(ATTRIB_URL);
                        int splitIndex = url.indexOf('.');
                        String first = url.substring(0, splitIndex);
                        String last = url.substring(splitIndex + 1, url.length());
                        wr.setUrl(first + ".m." + last);
                    }
                    resultList.add(wr);
                }
            }
        } catch (JSONException e) {
            e.printStackTrace();
        }

        return resultList;
    }
}