/* return the value of the XML text node (never null) */
protected static String GetNodeText(Node root) {
StringBuffer sb = new StringBuffer();
if (root != null) {
NodeList list = root.getChildNodes();
for (int i = 0; i < list.getLength(); i++) {
Node n = list.item(i);
if (n.getNodeType() == Node.CDATA_SECTION_NODE) { // CDATA Section
sb.append(n.getNodeValue());
} else if (n.getNodeType() == Node.TEXT_NODE) {
sb.append(n.getNodeValue());
} else {
// Print.logWarn("Unrecognized node type: " + n.getNodeType());
}
}
}
return sb.toString();
}
private static String FilterID(String id) {
if (id == null) {
return null;
} else {
StringBuffer newID = new StringBuffer();
int st = 0;
for (int i = 0; i < id.length(); i++) {
char ch = Character.toLowerCase(id.charAt(i));
if (Character.isLetterOrDigit(ch)) {
newID.append(ch);
st = 1;
} else if (st == 1) {
newID.append("_");
st = 0;
} else {
// ignore char
}
}
while ((newID.length() > 0) && (newID.charAt(newID.length() - 1) == '_')) {
newID.setLength(newID.length() - 1);
}
return newID.toString();
}
}
private String getAddressReverseGeocodeURL(GeoPoint gp) {
// -
// http://nominatim.openstreetmap.org/reverse?format=xml&addressdetails=1&zoom=18&lat=46.17330&lon=21.29370
StringBuffer sb = new StringBuffer();
RTProperties rtp = this.getProperties();
String url = rtp.getString(PROP_reverseURL, null);
if (!StringTools.isBlank(url)) {
sb.append(url);
} else {
String host = rtp.getString(PROP_hostName, HOST_PRIMARY);
sb.append("http://");
sb.append(host);
if (host.indexOf("mapquest") >= 0) {
sb.append("/nominatim/v1/reverse?");
} else {
sb.append("/reverse?");
}
}
sb.append("format=xml&");
sb.append("limit=1&");
// sb.append("osm_type=W&");
sb.append("addressdetails=").append(rtp.getString(PROP_addressdetails, "1")).append("&"); // 0,1
sb.append("zoom=").append(rtp.getString(PROP_zoom, "18")).append("&"); // 0..18
sb.append("email=").append(this.getEmail()).append("&"); // required, per usage policy
sb.append("lat=").append(gp.getLatitudeString(GeoPoint.SFORMAT_DEC_5, null)).append("&");
sb.append("lon=").append(gp.getLongitudeString(GeoPoint.SFORMAT_DEC_5, null));
return sb.toString();
}
/**
* ** Returns a ReverseGeocode instance containing address information ** @param gp The GeoPoint
* ** @return The ReverseGeocode instance
*/
private ReverseGeocode getAddressReverseGeocode(GeoPoint gp, String localeStr) {
/* URL */
String url = this.getAddressReverseGeocodeURL(gp);
Print.logInfo("Address URL: " + url);
/* create XML document */
Document xmlDoc = GetXMLDocument(url);
if (xmlDoc == null) {
return null;
}
/* create ReverseGeocode response */
Element reversegeocode = xmlDoc.getDocumentElement();
if (!reversegeocode.getTagName().equalsIgnoreCase(TAG_reversegeocode)) {
return null;
}
/* init */
String address_val = null; // null address
String house_val = null; // house number
String road_val = null; // street name
String city_val = null; // city name
String county_val = null; // county name
String state_val = null; // state/province
String postcode_val = null; // postal code
String country_name_val = null; // country name
String country_code_val = null; // country code
// full address
NodeList resultList = XMLTools.getChildElements(reversegeocode, TAG_result);
for (int r = 0; r < resultList.getLength(); r++) {
Element result = (Element) resultList.item(r);
// String osmType = XMLTools.getAttribute(result, ATTR_osm_type, null, false);
address_val = XMLTools.getNodeText(result, " ", false);
break; // only the first element
}
// address components
NodeList addresspartsList = XMLTools.getChildElements(reversegeocode, TAG_addressparts);
for (int a = 0; (a < addresspartsList.getLength()); a++) {
Element addressparts = (Element) addresspartsList.item(a);
NodeList addresspartsChildren = addressparts.getChildNodes();
for (int ac = 0; ac < addresspartsChildren.getLength(); ac++) {
Node child = addresspartsChildren.item(ac);
if (!(child instanceof Element)) {
continue;
}
Element elem = (Element) child;
String elemName = elem.getNodeName();
if (elemName.equalsIgnoreCase(TAG_house)) {
house_val = XMLTools.getNodeText(elem, " ", false);
} else if (elemName.equalsIgnoreCase(TAG_tram)) {
// ignore
} else if (elemName.equalsIgnoreCase(TAG_road)) {
road_val = XMLTools.getNodeText(elem, " ", false);
} else if (elemName.equalsIgnoreCase(TAG_residential)) {
// ignore
} else if (elemName.equalsIgnoreCase(TAG_village)) {
// ignore
} else if (elemName.equalsIgnoreCase(TAG_town)) {
if (StringTools.isBlank(city_val)) {
city_val = XMLTools.getNodeText(elem, " ", false);
}
} else if (elemName.equalsIgnoreCase(TAG_city)) {
city_val = XMLTools.getNodeText(elem, " ", false);
} else if (elemName.equalsIgnoreCase(TAG_county)) {
county_val = XMLTools.getNodeText(elem, " ", false);
} else if (elemName.equalsIgnoreCase(TAG_postcode)) {
postcode_val = XMLTools.getNodeText(elem, " ", false);
} else if (elemName.equalsIgnoreCase(TAG_state)) {
state_val = XMLTools.getNodeText(elem, " ", false);
} else if (elemName.equalsIgnoreCase(TAG_country)) {
country_name_val = XMLTools.getNodeText(elem, " ", false);
} else if (elemName.equalsIgnoreCase(TAG_country_code)) {
country_code_val = StringTools.trim(XMLTools.getNodeText(elem, " ", false)).toUpperCase();
} else {
// elemName unrecognized
}
}
break; // only the first element
}
/* populate ReverseGeocode instance */
ReverseGeocode rg = new ReverseGeocode();
StringBuffer addr = new StringBuffer();
// house number /road
if (!StringTools.isBlank(house_val)) {
addr.append(house_val);
if (!StringTools.isBlank(road_val)) {
addr.append(" ");
addr.append(road_val);
rg.setStreetAddress(house_val + " " + road_val);
} else {
rg.setStreetAddress(house_val);
}
} else if (!StringTools.isBlank(road_val)) {
addr.append(road_val);
rg.setStreetAddress(road_val);
}
// city/county
if (!StringTools.isBlank(city_val)) {
if (addr.length() > 0) {
addr.append(", ");
}
addr.append(city_val);
rg.setCity(city_val);
}
if (!StringTools.isBlank(county_val)) {
if (StringTools.isBlank(city_val)) {
// "city" not provided, at least include the "county"
if (addr.length() > 0) {
addr.append(", ");
}
addr.append("[").append(county_val).append("]");
}
// rg.setCounty(county_val);
}
// state/province
if (!StringTools.isBlank(state_val)) {
if (addr.length() > 0) {
addr.append(", ");
}
addr.append(state_val);
rg.setStateProvince(state_val);
if (!StringTools.isBlank(postcode_val)) {
addr.append(" ").append(postcode_val);
rg.setPostalCode(postcode_val);
}
} else {
if (!StringTools.isBlank(postcode_val)) {
if (addr.length() > 0) {
addr.append(", ");
}
addr.append(postcode_val);
rg.setPostalCode(postcode_val);
}
}
// country
if (!StringTools.isBlank(country_code_val)) {
if (country_code_val.equalsIgnoreCase("US")) {
// if (addr.length() > 0) { addr.append(", "); }
// addr.append("USA");
} else if (!StringTools.isBlank(country_name_val)) {
if (addr.length() > 0) {
addr.append(", ");
}
addr.append(country_name_val);
} else {
if (addr.length() > 0) {
addr.append(", ");
}
addr.append(country_code_val);
}
rg.setCountryCode(country_code_val);
}
// full address
rg.setFullAddress(addr.toString());
return rg;
}
/* encode GeoPoint into nearest address URI */
protected String getGeoPointGeocodeURL(String address, String country) {
StringBuffer sb = new StringBuffer();
GoogleSig sig = this.getSignature();
/* country */
if (StringTools.isBlank(country)) {
country = this.getProperties().getString(PROP_countryCodeBias, DEFAULT_COUNTRY);
}
/* predefined URL */
String gcURL = this.getProperties().getString(PROP_geocodeURL, null);
if (!StringTools.isBlank(gcURL)) {
sb.append(gcURL);
sb.append("&q=").append(URIArg.encodeArg(address));
if (!StringTools.isBlank(country)) {
// country code bias: http://en.wikipedia.org/wiki/CcTLD
sb.append("&gl=").append(country);
}
return sb.toString();
}
/* assemble URL */
sb.append(this.getGeoPointGeocodeURI());
sb.append("output=xml");
sb.append("&oe=utf8");
/* address/country */
sb.append("&q=").append(URIArg.encodeArg(address));
if (!StringTools.isBlank(country)) {
sb.append("&gl=").append(country);
}
/* sensor */
String sensor = this.getProperties().getString(PROP_sensor, null);
if (!StringTools.isBlank(sensor)) {
sb.append("&sensor=").append(sensor);
}
/* channel */
String channel = this.getProperties().getString(PROP_channel, null);
if (!StringTools.isBlank(channel)) {
sb.append("&channel=").append(channel);
}
/* key */
String auth = this.getAuthorization();
if (StringTools.isBlank(auth) || auth.startsWith("*")) {
// invalid key
} else if (auth.startsWith(CLIENT_ID_PREFIX)) {
sb.append("&client=").append(auth);
} else {
sb.append("&key=").append(auth);
}
/* return url */
String defURL = sb.toString();
if (sig == null) {
return defURL;
} else {
String urlStr = sig.signURL(defURL);
return (urlStr != null) ? urlStr : defURL;
}
}
/* encode GeoPoint into nearest address URI */
protected String getAddressReverseGeocodeURL(GeoPoint gp, String localStr) {
StringBuffer sb = new StringBuffer();
GoogleSig sig = this.getSignature();
/* predefined URL */
String rgURL = this.getProperties().getString(PROP_reverseGeocodeURL, null);
if (!StringTools.isBlank(rgURL)) {
sb.append(rgURL);
sb.append("&ll=")
.append(gp.getLatitudeString(GeoPoint.SFORMAT_DEC_5, null))
.append(",")
.append(gp.getLongitudeString(GeoPoint.SFORMAT_DEC_5, null));
String defURL = sb.toString();
if (sig == null) {
return defURL;
} else {
String urlStr = sig.signURL(defURL);
return (urlStr != null) ? urlStr : defURL;
}
}
/* assemble URL */
sb.append(this.getAddressReverseGeocodeURI());
sb.append("output=xml");
sb.append("&oe=utf8");
/* latitude/longitude */
sb.append("&ll=")
.append(gp.getLatitudeString(GeoPoint.SFORMAT_DEC_5, null))
.append(",")
.append(gp.getLongitudeString(GeoPoint.SFORMAT_DEC_5, null));
/* sensor */
String sensor = this.getProperties().getString(PROP_sensor, null);
if (!StringTools.isBlank(sensor)) {
sb.append("&sensor=").append(sensor);
}
/* key */
String channel = this.getProperties().getString(PROP_channel, null);
String auth = this.getAuthorization();
if (StringTools.isBlank(auth) || auth.startsWith("*")) {
// invalid key
} else if (auth.startsWith(CLIENT_ID_PREFIX)) {
sb.append("&client=").append(auth);
if (StringTools.isBlank(channel)) {
channel = DBConfig.getServiceAccountID(null);
}
} else {
sb.append("&key=").append(auth);
}
/* channel */
if (!StringTools.isBlank(channel)) {
sb.append("&channel=").append(channel);
}
/* localization ("&hl=") */
if (!StringTools.isBlank(localStr)) {
sb.append("&hl=").append(localStr);
}
/* return url */
String defURL = sb.toString();
if (sig == null) {
return defURL;
} else {
String urlStr = sig.signURL(defURL);
return (urlStr != null) ? urlStr : defURL;
}
}
