/*
* This is part of Geomajas, a GIS framework, http://www.geomajas.org/.
*
* Copyright 2008-2011 Geosparc nv, http://www.geosparc.com/, Belgium.
*
* The program is available in open source according to the GNU Affero
* General Public License. All contributions in this program are covered
* by the Geomajas Contributors License Agreement. For full licensing
* details, see LICENSE.txt in the project root.
*/
package org.geomajas.plugin.geocoder.service;
import com.vividsolutions.jts.geom.Coordinate;
import org.geomajas.annotation.Api;
import org.geomajas.global.GeomajasException;
import org.geomajas.plugin.geocoder.api.GeocoderService;
import org.geomajas.plugin.geocoder.api.GetLocationResult;
import org.geomajas.plugin.geocoder.api.StaticRegexGeocoderInfo;
import org.geomajas.plugin.geocoder.api.StaticRegexGeocoderLocationInfo;
import org.geomajas.service.DtoConverterService;
import org.geomajas.service.GeoService;
import org.opengis.referencing.crs.CoordinateReferenceSystem;
import org.springframework.beans.factory.annotation.Autowired;
import javax.annotation.PostConstruct;
import javax.validation.constraints.NotNull;
import java.util.List;
import java.util.Locale;
import java.util.regex.Pattern;
/**
* Geocoder service which reads the configuration from the application context.
*
* @author Joachim Van der Auwera
* @since 1.0.0
*/
@Api
public class StaticRegexGeocoderService implements GeocoderService {
@NotNull
private StaticRegexGeocoderInfo geocoderInfo;
@Autowired
private GeoService geoService;
@Autowired
private DtoConverterService dtoConverterService;
private CoordinateReferenceSystem crs;
private String name = "static-regex";
public String getName() {
return name;
}
/**
* Set the name for this geocoder service.
*
* @param name name
*/
@Api
public void setName(String name) {
this.name = name;
}
/**
* Set configuration for service.
*
* @param geocoderInfo configuration
*/
@Api
public void setGeocoderInfo(StaticRegexGeocoderInfo geocoderInfo) {
this.geocoderInfo = geocoderInfo;
}
@PostConstruct
protected void initCrs() throws GeomajasException {
crs = geoService.getCrs2(geocoderInfo.getCrs());
}
public CoordinateReferenceSystem getCrs() {
return crs;
}
public GetLocationResult[] getLocation(List<String> location, int maxAlternatives, Locale ignore) {
GetLocationResult result = null;
for (StaticRegexGeocoderLocationInfo test : geocoderInfo.getLocations()) {
result = getLocation(test, location);
if (null != result) {
break;
}
}
if (null != result) {
return new GetLocationResult[]{result};
}
return null;
}
GetLocationResult getLocation(StaticRegexGeocoderLocationInfo test, List<String> location) {
int index = 0;
boolean skipMoreDetailed = false;
for (String toMatch : test.getToMatch()) {
if ("**".equals(toMatch)) {
// all smaller areas are allowed
skipMoreDetailed = true;
break;
}
String regex = toMatch;
if (index >= location.size()) {
return null; // not found, not enough parts to match
}
if (null != regex && regex.length() > 0) {
boolean optional = false;
if (regex.charAt(0) == '?') {
optional = true;
regex = regex.substring(1);
}
if (!regex.startsWith("^")) {
regex = "^" + regex;
}
if (!regex.endsWith("$")) {
regex = regex + "$";
}
Pattern pattern = Pattern.compile(regex, Pattern.CASE_INSENSITIVE);
if (pattern.matcher(location.get(index)).matches()) {
index++;
} else {
if (!optional) {
return null; // unmatched required part
}
}
}
}
if (index < location.size() && !skipMoreDetailed) {
return null; // remaining unmatched bits
}
GetLocationResult result = new GetLocationResult();
if (null != test.getBbox()) {
result.setEnvelope(dtoConverterService.toInternal(test.getBbox()));
} else {
result.setCoordinate(new Coordinate(test.getX(), test.getY()));
}
result.setCanonicalStrings(test.getCanonical());
result.setUserData(test.getUserData());
return result;
}
}