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RoutingParamCollector.java
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RoutingParamCollector.java
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package btools.router;
import java.io.UnsupportedEncodingException;
import java.net.URLDecoder;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.StringTokenizer;
public class RoutingParamCollector {
final static boolean DEBUG = false;
/**
* get a list of points and optional extra info for the points
*
* @param lonLats linked list separated by ';' or '|'
* @return a list
*/
public List<OsmNodeNamed> getWayPointList(String lonLats) {
if (lonLats == null) throw new IllegalArgumentException("lonlats parameter not set");
String[] coords = lonLats.split(";|\\|"); // use both variantes
if (coords.length < 1 || !coords[0].contains(","))
throw new IllegalArgumentException("we need one lat/lon point at least!");
List<OsmNodeNamed> wplist = new ArrayList<>();
for (int i = 0; i < coords.length; i++) {
String[] lonLat = coords[i].split(",");
if (lonLat.length < 1)
throw new IllegalArgumentException("we need one lat/lon point at least!");
wplist.add(readPosition(lonLat[0], lonLat[1], "via" + i));
if (lonLat.length > 2) {
if (lonLat[2].equals("d")) {
wplist.get(wplist.size() - 1).direct = true;
} else {
wplist.get(wplist.size() - 1).name = lonLat[2];
}
}
}
if (wplist.get(0).name.startsWith("via")) wplist.get(0).name = "from";
if (wplist.get(wplist.size() - 1).name.startsWith("via")) {
wplist.get(wplist.size() - 1).name = "to";
}
return wplist;
}
/**
* get a list of points (old style, positions only)
*
* @param lons array with longitudes
* @param lats array with latitudes
* @return a list
*/
public List<OsmNodeNamed> readPositions(double[] lons, double[] lats) {
List<OsmNodeNamed> wplist = new ArrayList<>();
if (lats == null || lats.length < 2 || lons == null || lons.length < 2) {
return wplist;
}
for (int i = 0; i < lats.length && i < lons.length; i++) {
OsmNodeNamed n = new OsmNodeNamed();
n.name = "via" + i;
n.ilon = (int) ((lons[i] + 180.) * 1000000. + 0.5);
n.ilat = (int) ((lats[i] + 90.) * 1000000. + 0.5);
wplist.add(n);
}
if (wplist.get(0).name.startsWith("via")) wplist.get(0).name = "from";
if (wplist.get(wplist.size() - 1).name.startsWith("via")) {
wplist.get(wplist.size() - 1).name = "to";
}
return wplist;
}
private OsmNodeNamed readPosition(String vlon, String vlat, String name) {
if (vlon == null) throw new IllegalArgumentException("lon " + name + " not found in input");
if (vlat == null) throw new IllegalArgumentException("lat " + name + " not found in input");
return readPosition(Double.parseDouble(vlon), Double.parseDouble(vlat), name);
}
private OsmNodeNamed readPosition(double lon, double lat, String name) {
OsmNodeNamed n = new OsmNodeNamed();
n.name = name;
n.ilon = (int) ((lon + 180.) * 1000000. + 0.5);
n.ilat = (int) ((lat + 90.) * 1000000. + 0.5);
return n;
}
/**
* read a url like parameter list linked with '&'
*
* @param url parameter list
* @return a hashmap of the parameter
* @throws UnsupportedEncodingException
*/
public Map<String, String> getUrlParams(String url) throws UnsupportedEncodingException {
Map<String, String> params = new HashMap<>();
String decoded = URLDecoder.decode(url, "UTF-8");
StringTokenizer tk = new StringTokenizer(decoded, "?&");
while (tk.hasMoreTokens()) {
String t = tk.nextToken();
StringTokenizer tk2 = new StringTokenizer(t, "=");
if (tk2.hasMoreTokens()) {
String key = tk2.nextToken();
if (tk2.hasMoreTokens()) {
String value = tk2.nextToken();
params.put(key, value);
}
}
}
return params;
}
/**
* fill a parameter map into the routing context
*
* @param rctx the context
* @param wplist the list of way points needed for 'straight' parameter
* @param params the list of parameters
*/
public void setParams(RoutingContext rctx, List<OsmNodeNamed> wplist, Map<String, String> params) {
if (params != null) {
if (params.size() == 0) return;
// prepare nogos extra
if (params.containsKey("profile")) {
rctx.localFunction = params.get("profile");
}
if (params.containsKey("nogoLats") && params.get("nogoLats").length() > 0) {
List<OsmNodeNamed> nogoList = readNogos(params.get("nogoLons"), params.get("nogoLats"), params.get("nogoRadi"));
if (nogoList != null) {
RoutingContext.prepareNogoPoints(nogoList);
if (rctx.nogopoints == null) {
rctx.nogopoints = nogoList;
} else {
rctx.nogopoints.addAll(nogoList);
}
}
params.remove("nogoLats");
params.remove("nogoLons");
params.remove("nogoRadi");
}
if (params.containsKey("nogos")) {
List<OsmNodeNamed> nogoList = readNogoList(params.get("nogos"));
if (nogoList != null) {
RoutingContext.prepareNogoPoints(nogoList);
if (rctx.nogopoints == null) {
rctx.nogopoints = nogoList;
} else {
rctx.nogopoints.addAll(nogoList);
}
}
params.remove("nogos");
}
if (params.containsKey("polylines")) {
List<OsmNodeNamed> result = new ArrayList<>();
parseNogoPolygons(params.get("polylines"), result, false);
if (rctx.nogopoints == null) {
rctx.nogopoints = result;
} else {
rctx.nogopoints.addAll(result);
}
params.remove("polylines");
}
if (params.containsKey("polygons")) {
List<OsmNodeNamed> result = new ArrayList<>();
parseNogoPolygons(params.get("polygons"), result, true);
if (rctx.nogopoints == null) {
rctx.nogopoints = result;
} else {
rctx.nogopoints.addAll(result);
}
params.remove("polygons");
}
for (Map.Entry<String, String> e : params.entrySet()) {
String key = e.getKey();
String value = e.getValue();
if (DEBUG) System.out.println("params " + key + " " + value);
if (key.equals("straight")) {
try {
String[] sa = value.split(",");
for (int i = 0; i < sa.length; i++) {
int v = Integer.parseInt(sa[i]);
if (wplist.size() > v) wplist.get(v).direct = true;
}
} catch (Exception ex) {
System.err.println("error " + ex.getStackTrace()[0].getLineNumber() + " " + ex.getStackTrace()[0] + "\n" + ex);
}
} else if (key.equals("pois")) {
rctx.poipoints = readPoisList(value);
} else if (key.equals("heading")) {
rctx.startDirection = Integer.valueOf(value);
rctx.forceUseStartDirection = true;
} else if (key.equals("direction")) {
rctx.startDirection = Integer.valueOf(value);
} else if (key.equals("alternativeidx")) {
rctx.setAlternativeIdx(Integer.parseInt(value));
} else if (key.equals("turnInstructionMode")) {
rctx.turnInstructionMode = Integer.parseInt(value);
} else if (key.equals("timode")) {
rctx.turnInstructionMode = Integer.parseInt(value);
} else if (key.equals("turnInstructionFormat")) {
if ("osmand".equalsIgnoreCase(value)) {
rctx.turnInstructionMode = 3;
} else if ("locus".equalsIgnoreCase(value)) {
rctx.turnInstructionMode = 2;
}
} else if (key.equals("exportWaypoints")) {
rctx.exportWaypoints = (Integer.parseInt(value) == 1);
} else if (key.equals("format")) {
rctx.outputFormat = ((String) value).toLowerCase();
} else if (key.equals("trackFormat")) {
rctx.outputFormat = ((String) value).toLowerCase();
} else if (key.startsWith("profile:")) {
if (rctx.keyValues == null) rctx.keyValues = new HashMap<>();
rctx.keyValues.put(key.substring(8), value);
}
// ignore other params
}
}
}
/**
* fill profile parameter list
*
* @param rctx the routing context
* @param params the list of parameters
*/
public void setProfileParams(RoutingContext rctx, Map<String, String> params) {
if (params != null) {
if (params.size() == 0) return;
if (rctx.keyValues == null) rctx.keyValues = new HashMap<>();
for (Map.Entry<String, String> e : params.entrySet()) {
String key = e.getKey();
String value = e.getValue();
if (DEBUG) System.out.println("params " + key + " " + value);
rctx.keyValues.put(key, value);
}
}
}
private void parseNogoPolygons(String polygons, List<OsmNodeNamed> result, boolean closed) {
if (polygons != null) {
String[] polygonList = polygons.split("\\|");
for (int i = 0; i < polygonList.length; i++) {
String[] lonLatList = polygonList[i].split(",");
if (lonLatList.length > 1) {
OsmNogoPolygon polygon = new OsmNogoPolygon(closed);
int j;
for (j = 0; j < 2 * (lonLatList.length / 2) - 1; ) {
String slon = lonLatList[j++];
String slat = lonLatList[j++];
int lon = (int) ((Double.parseDouble(slon) + 180.) * 1000000. + 0.5);
int lat = (int) ((Double.parseDouble(slat) + 90.) * 1000000. + 0.5);
polygon.addVertex(lon, lat);
}
String nogoWeight = "NaN";
if (j < lonLatList.length) {
nogoWeight = lonLatList[j];
}
polygon.nogoWeight = Double.parseDouble(nogoWeight);
if (polygon.points.size() > 0) {
polygon.calcBoundingCircle();
result.add(polygon);
}
}
}
}
}
public List<OsmNodeNamed> readPoisList(String pois) {
// lon,lat,name|...
if (pois == null) return null;
String[] lonLatNameList = pois.split("\\|");
List<OsmNodeNamed> poisList = new ArrayList<>();
for (int i = 0; i < lonLatNameList.length; i++) {
String[] lonLatName = lonLatNameList[i].split(",");
if (lonLatName.length != 3)
continue;
OsmNodeNamed n = new OsmNodeNamed();
n.ilon = (int) ((Double.parseDouble(lonLatName[0]) + 180.) * 1000000. + 0.5);
n.ilat = (int) ((Double.parseDouble(lonLatName[1]) + 90.) * 1000000. + 0.5);
n.name = lonLatName[2];
poisList.add(n);
}
return poisList;
}
public List<OsmNodeNamed> readNogoList(String nogos) {
// lon,lat,radius[,weight]|...
if (nogos == null) return null;
String[] lonLatRadList = nogos.split("\\|");
List<OsmNodeNamed> nogoList = new ArrayList<>();
for (int i = 0; i < lonLatRadList.length; i++) {
String[] lonLatRad = lonLatRadList[i].split(",");
String nogoWeight = "NaN";
if (lonLatRad.length > 3) {
nogoWeight = lonLatRad[3];
}
nogoList.add(readNogo(lonLatRad[0], lonLatRad[1], lonLatRad[2], nogoWeight));
}
return nogoList;
}
public List<OsmNodeNamed> readNogos(String nogoLons, String nogoLats, String nogoRadi) {
if (nogoLons == null || nogoLats == null || nogoRadi == null) return null;
List<OsmNodeNamed> nogoList = new ArrayList<>();
String[] lons = nogoLons.split(",");
String[] lats = nogoLats.split(",");
String[] radi = nogoRadi.split(",");
String nogoWeight = "undefined";
for (int i = 0; i < lons.length && i < lats.length && i < radi.length; i++) {
OsmNodeNamed n = readNogo(lons[i].trim(), lats[i].trim(), radi[i].trim(), nogoWeight);
nogoList.add(n);
}
return nogoList;
}
private OsmNodeNamed readNogo(String lon, String lat, String radius, String nogoWeight) {
double weight = "undefined".equals(nogoWeight) ? Double.NaN : Double.parseDouble(nogoWeight);
return readNogo(Double.parseDouble(lon), Double.parseDouble(lat), (int) Double.parseDouble(radius), weight);
}
private OsmNodeNamed readNogo(double lon, double lat, int radius, double nogoWeight) {
OsmNodeNamed n = new OsmNodeNamed();
n.name = "nogo" + radius;
n.ilon = (int) ((lon + 180.) * 1000000. + 0.5);
n.ilat = (int) ((lat + 90.) * 1000000. + 0.5);
n.isNogo = true;
n.nogoWeight = nogoWeight;
return n;
}
}