dk.kk.ibikecphlib.search.HTTPAutocompleteHandler.java Source code

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Here is the source code for dk.kk.ibikecphlib.search.HTTPAutocompleteHandler.java

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// Copyright (C) 2013 City of Copenhagen.
//
// This Source Code Form is subject to the terms of the Mozilla Public License, v. 2.0.
// If a copy of the MPL was not distributed with this file, You can obtain one at 
// http://mozilla.org/MPL/2.0/.
package dk.kk.ibikecphlib.search;

import android.annotation.SuppressLint;
import android.content.Context;
import android.location.Location;
import com.fasterxml.jackson.databind.JsonNode;
import dk.kk.ibikecphlib.util.LOG;
import dk.kk.ibikecphlib.util.Util;
import org.apache.http.HttpResponse;
import org.apache.http.client.HttpClient;
import org.apache.http.client.methods.HttpGet;
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.apache.http.util.EntityUtils;

import java.io.UnsupportedEncodingException;
import java.net.URL;
import java.net.URLEncoder;
import java.util.ArrayList;
import java.util.List;
import java.util.Locale;

import dk.kk.ibikecphlib.util.Util;

public class HTTPAutocompleteHandler {

    static final double GEOCODING_SEARCH_RADIUS = 50000.0;
    static final String PLACES_SEARCH_RADIUS = "20000";
    static final String PLACES_LANGUAGE = "da";

    @SuppressLint("NewApi")

    public static JsonNode performGET(String urlString) {
        JsonNode ret = null;

        HttpParams myParams = new BasicHttpParams();
        HttpConnectionParams.setConnectionTimeout(myParams, 20000);
        HttpConnectionParams.setSoTimeout(myParams, 20000);
        HttpClient httpclient = new DefaultHttpClient(myParams);
        HttpGet httpget = null;

        URL url = null;

        try {

            url = new URL(urlString);
            httpget = new HttpGet(url.toString());
            LOG.d("Request " + url.toString());
            httpget.setHeader("Content-type", "application/json");
            HttpResponse response = httpclient.execute(httpget);
            String serverResponse = EntityUtils.toString(response.getEntity());
            LOG.d("Response " + serverResponse);
            ret = Util.stringToJsonNode(serverResponse);

        } catch (Exception e) {
            if (e != null && e.getLocalizedMessage() != null)
                LOG.e(e.getLocalizedMessage());
        }
        return ret;
    }

    public static List<JsonNode> getKortforsyningenAutocomplete(Location currentLocation, Address address) {
        String urlString;
        List<JsonNode> list = new ArrayList<JsonNode>();
        try {
            // TODO: Get this from Config
            urlString = "https://kortforsyningen.kms.dk/?servicename=RestGeokeys_v2&method=";

            if ((address.hasHouseNumber()) && (address.hasZip()) && (address.getCity() == null
                    || address.getCity().equals("") || address.getCity().equals(address.getStreet()))) {
                urlString += "vej"; // street search
            } else {
                urlString += "adresse"; // address search
            }

            // TODO: Removed a wildcard in the beginning of the search query.
            urlString += "&vejnavn=" + URLEncoder.encode(address.getStreet(), "UTF-8") + "*";
            // urlString = "https://kortforsyningen.kms.dk/?servicename=RestGeokeys_v2&method=adresse&vejnavn=*"
            // + URLEncoder.encode(address.street, "UTF-8") + "*";

            if (address.hasHouseNumber()) {
                urlString += "&husnr=" + address.getHouseNumber() + "*";
            }

            urlString += "&geop=" + Util.limitDecimalPlaces(currentLocation.getLongitude(), 6) + "" + ","
                    + Util.limitDecimalPlaces(currentLocation.getLatitude(), 6) + ""
                    + "&georef=EPSG:4326&outgeoref=EPSG:4326&login=ibikecph&password=Spoiledmilk123&hits=10";

            if (address.hasZip()) {
                urlString = urlString + "&postnr=" + address.getZip();
            }
            if (address.hasCity() && !address.getCity().equals(address.getStreet())) {
                // urlString = urlString + "&by=" + URLEncoder.encode(address.city.trim(), "UTF-8") + "*";
                urlString = urlString + "&postdist=*" + URLEncoder.encode(address.getCity().trim(), "UTF-8") + "*";
            }

            urlString += "&geometry=true";

            JsonNode rootNode = performGET(urlString);
            if (rootNode.has("features")) {
                JsonNode features = rootNode.get("features");
                for (int i = 0; i < features.size(); i++) {
                    if (features.get(i).has("properties") && (features.get(i).get("properties").has("vej_navn")
                            || features.get(i).get("properties").has("navn")))
                        list.add(features.get(i));
                }
            }
        } catch (UnsupportedEncodingException e) {
            if (e != null && e.getLocalizedMessage() != null)
                LOG.e(e.getLocalizedMessage());
        }
        return list;
    }

    public static List<JsonNode> getKortforsyningenPlaces(Location currentLocation, Address address) {
        String urlString;
        List<JsonNode> list = new ArrayList<JsonNode>();
        if (!address.hasCity()) {
            // TODO: Seriously
            address.setCity(address.getStreet());
        }
        try {
            // TODO: Removed a wildcard
            String stednavn = URLEncoder.encode(address.getStreet(), "UTF-8") + "*";
            urlString = "https://kortforsyningen.kms.dk/?servicename=RestGeokeys_v2&method=stedv2&stednavn="
                    + stednavn + "&geop=" + "" + Util.limitDecimalPlaces(currentLocation.getLongitude(), 6) + ","
                    + "" + Util.limitDecimalPlaces(currentLocation.getLatitude(), 6)
                    + "&georef=EPSG:4326&outgeoref=EPSG:4326&login=ibikecph&password=Spoiledmilk123&hits=10";

            // &distinct=true gave an error from the API
            // DB_SQL_PROBLEM. Error executing SQL: ERROR: syntax error at or near "stednavn" Position: 453

            JsonNode rootNode = performGET(urlString);
            if (rootNode.has("features")) {
                JsonNode features = rootNode.get("features");
                for (JsonNode featureNode : features) {
                    if (featureNode.has("properties") && featureNode.get("properties").has("stednavneliste")
                            && featureNode.get("properties").size() > 0)
                        list.add(featureNode);
                }
            }
        } catch (Exception e) {
            if (e != null && e.getLocalizedMessage() != null)
                LOG.e(e.getLocalizedMessage());
        }
        return list;
    }

    public static JsonNode getKortforsyningenGeocode(String url) {
        JsonNode rootNode = performGET(url);
        return rootNode;
    }

    public static String normalizeToAlphabet(String s) {
        if (s == null) {
            return "";
        } else {
            return s.replaceAll("|", "o").replaceAll("|", "a").replaceAll("|", "ae");
        }
    }
}