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-rw-r--r--src/main/java/org/traccar/geofence/GeofenceCircle.java98
-rw-r--r--src/main/java/org/traccar/geofence/GeofenceGeometry.java50
-rw-r--r--src/main/java/org/traccar/geofence/GeofencePolygon.java164
-rw-r--r--src/main/java/org/traccar/geofence/GeofencePolyline.java107
4 files changed, 419 insertions, 0 deletions
diff --git a/src/main/java/org/traccar/geofence/GeofenceCircle.java b/src/main/java/org/traccar/geofence/GeofenceCircle.java
new file mode 100644
index 000000000..f6fca63ca
--- /dev/null
+++ b/src/main/java/org/traccar/geofence/GeofenceCircle.java
@@ -0,0 +1,98 @@
+/*
+ * Copyright 2016 Anton Tananaev (anton@traccar.org)
+ *
+ * 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.traccar.geofence;
+
+import java.text.DecimalFormat;
+import java.text.ParseException;
+
+import org.traccar.helper.DistanceCalculator;
+
+public class GeofenceCircle extends GeofenceGeometry {
+
+ private double centerLatitude;
+ private double centerLongitude;
+ private double radius;
+
+ public GeofenceCircle() {
+ }
+
+ public GeofenceCircle(String wkt) throws ParseException {
+ fromWkt(wkt);
+ }
+
+ public GeofenceCircle(double latitude, double longitude, double radius) {
+ this.centerLatitude = latitude;
+ this.centerLongitude = longitude;
+ this.radius = radius;
+ }
+
+ public double distanceFromCenter(double latitude, double longitude) {
+ return DistanceCalculator.distance(centerLatitude, centerLongitude, latitude, longitude);
+ }
+
+ @Override
+ public boolean containsPoint(double latitude, double longitude) {
+ return distanceFromCenter(latitude, longitude) <= radius;
+ }
+
+ @Override
+ public String toWkt() {
+ String wkt = "";
+ wkt = "CIRCLE (";
+ wkt += String.valueOf(centerLatitude);
+ wkt += " ";
+ wkt += String.valueOf(centerLongitude);
+ wkt += ", ";
+ DecimalFormat format = new DecimalFormat("0.#");
+ wkt += format.format(radius);
+ wkt += ")";
+ return wkt;
+ }
+
+ @Override
+ public void fromWkt(String wkt) throws ParseException {
+ if (!wkt.startsWith("CIRCLE")) {
+ throw new ParseException("Mismatch geometry type", 0);
+ }
+ String content = wkt.substring(wkt.indexOf("(") + 1, wkt.indexOf(")"));
+ if (content == null || content.equals("")) {
+ throw new ParseException("No content", 0);
+ }
+ String[] commaTokens = content.split(",");
+ if (commaTokens.length != 2) {
+ throw new ParseException("Not valid content", 0);
+ }
+ String[] tokens = commaTokens[0].split("\\s");
+ if (tokens.length != 2) {
+ throw new ParseException("Too much or less coordinates", 0);
+ }
+ try {
+ centerLatitude = Double.parseDouble(tokens[0]);
+ } catch (NumberFormatException e) {
+ throw new ParseException(tokens[0] + " is not a double", 0);
+ }
+ try {
+ centerLongitude = Double.parseDouble(tokens[1]);
+ } catch (NumberFormatException e) {
+ throw new ParseException(tokens[1] + " is not a double", 0);
+ }
+ try {
+ radius = Double.parseDouble(commaTokens[1]);
+ } catch (NumberFormatException e) {
+ throw new ParseException(commaTokens[1] + " is not a double", 0);
+ }
+ }
+}
diff --git a/src/main/java/org/traccar/geofence/GeofenceGeometry.java b/src/main/java/org/traccar/geofence/GeofenceGeometry.java
new file mode 100644
index 000000000..857ba3414
--- /dev/null
+++ b/src/main/java/org/traccar/geofence/GeofenceGeometry.java
@@ -0,0 +1,50 @@
+/*
+ * Copyright 2016 Anton Tananaev (anton@traccar.org)
+ *
+ * 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.traccar.geofence;
+
+import java.text.ParseException;
+
+public abstract class GeofenceGeometry {
+
+ public abstract boolean containsPoint(double latitude, double longitude);
+
+ public abstract String toWkt();
+
+ public abstract void fromWkt(String wkt) throws ParseException;
+
+ public static class Coordinate {
+
+ private double lat;
+ private double lon;
+
+ public double getLat() {
+ return lat;
+ }
+
+ public void setLat(double lat) {
+ this.lat = lat;
+ }
+
+ public double getLon() {
+ return lon;
+ }
+
+ public void setLon(double lon) {
+ this.lon = lon;
+ }
+ }
+
+}
diff --git a/src/main/java/org/traccar/geofence/GeofencePolygon.java b/src/main/java/org/traccar/geofence/GeofencePolygon.java
new file mode 100644
index 000000000..2048ba26d
--- /dev/null
+++ b/src/main/java/org/traccar/geofence/GeofencePolygon.java
@@ -0,0 +1,164 @@
+/*
+ * Copyright 2016 Anton Tananaev (anton@traccar.org)
+ *
+ * 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.traccar.geofence;
+
+import java.text.ParseException;
+import java.util.ArrayList;
+
+public class GeofencePolygon extends GeofenceGeometry {
+
+ public GeofencePolygon() {
+ }
+
+ public GeofencePolygon(String wkt) throws ParseException {
+ fromWkt(wkt);
+ }
+
+ private ArrayList<Coordinate> coordinates;
+
+ private double[] constant;
+ private double[] multiple;
+
+ private boolean needNormalize = false;
+
+ private void precalc() {
+ if (coordinates == null) {
+ return;
+ }
+
+ int polyCorners = coordinates.size();
+ int i;
+ int j = polyCorners - 1;
+
+ if (constant != null) {
+ constant = null;
+ }
+ if (multiple != null) {
+ multiple = null;
+ }
+
+ constant = new double[polyCorners];
+ multiple = new double[polyCorners];
+
+ boolean hasNegative = false;
+ boolean hasPositive = false;
+ for (i = 0; i < polyCorners; i++) {
+ if (coordinates.get(i).getLon() > 90) {
+ hasPositive = true;
+ } else if (coordinates.get(i).getLon() < -90) {
+ hasNegative = true;
+ }
+ }
+ needNormalize = hasPositive && hasNegative;
+
+ for (i = 0; i < polyCorners; j = i++) {
+ if (normalizeLon(coordinates.get(j).getLon()) == normalizeLon(coordinates.get(i).getLon())) {
+ constant[i] = coordinates.get(i).getLat();
+ multiple[i] = 0;
+ } else {
+ constant[i] = coordinates.get(i).getLat()
+ - (normalizeLon(coordinates.get(i).getLon()) * coordinates.get(j).getLat())
+ / (normalizeLon(coordinates.get(j).getLon()) - normalizeLon(coordinates.get(i).getLon()))
+ + (normalizeLon(coordinates.get(i).getLon()) * coordinates.get(i).getLat())
+ / (normalizeLon(coordinates.get(j).getLon()) - normalizeLon(coordinates.get(i).getLon()));
+ multiple[i] = (coordinates.get(j).getLat() - coordinates.get(i).getLat())
+ / (normalizeLon(coordinates.get(j).getLon()) - normalizeLon(coordinates.get(i).getLon()));
+ }
+ }
+ }
+
+ private double normalizeLon(double lon) {
+ if (needNormalize && lon < -90) {
+ return lon + 360;
+ }
+ return lon;
+ }
+
+ @Override
+ public boolean containsPoint(double latitude, double longitude) {
+
+ int polyCorners = coordinates.size();
+ int i;
+ int j = polyCorners - 1;
+ double longitudeNorm = normalizeLon(longitude);
+ boolean oddNodes = false;
+
+ for (i = 0; i < polyCorners; j = i++) {
+ if (normalizeLon(coordinates.get(i).getLon()) < longitudeNorm
+ && normalizeLon(coordinates.get(j).getLon()) >= longitudeNorm
+ || normalizeLon(coordinates.get(j).getLon()) < longitudeNorm
+ && normalizeLon(coordinates.get(i).getLon()) >= longitudeNorm) {
+ oddNodes ^= longitudeNorm * multiple[i] + constant[i] < latitude;
+ }
+ }
+ return oddNodes;
+ }
+
+ @Override
+ public String toWkt() {
+ StringBuilder buf = new StringBuilder();
+ buf.append("POLYGON ((");
+ for (Coordinate coordinate : coordinates) {
+ buf.append(String.valueOf(coordinate.getLat()));
+ buf.append(" ");
+ buf.append(String.valueOf(coordinate.getLon()));
+ buf.append(", ");
+ }
+ return buf.substring(0, buf.length() - 2) + "))";
+ }
+
+ @Override
+ public void fromWkt(String wkt) throws ParseException {
+ if (coordinates == null) {
+ coordinates = new ArrayList<>();
+ } else {
+ coordinates.clear();
+ }
+
+ if (!wkt.startsWith("POLYGON")) {
+ throw new ParseException("Mismatch geometry type", 0);
+ }
+ String content = wkt.substring(wkt.indexOf("((") + 2, wkt.indexOf("))"));
+ if (content.isEmpty()) {
+ throw new ParseException("No content", 0);
+ }
+ String[] commaTokens = content.split(",");
+ if (commaTokens.length < 3) {
+ throw new ParseException("Not valid content", 0);
+ }
+
+ for (String commaToken : commaTokens) {
+ String[] tokens = commaToken.trim().split("\\s");
+ if (tokens.length != 2) {
+ throw new ParseException("Here must be two coordinates: " + commaToken, 0);
+ }
+ Coordinate coordinate = new Coordinate();
+ try {
+ coordinate.setLat(Double.parseDouble(tokens[0]));
+ } catch (NumberFormatException e) {
+ throw new ParseException(tokens[0] + " is not a double", 0);
+ }
+ try {
+ coordinate.setLon(Double.parseDouble(tokens[1]));
+ } catch (NumberFormatException e) {
+ throw new ParseException(tokens[1] + " is not a double", 0);
+ }
+ coordinates.add(coordinate);
+ }
+ precalc();
+ }
+
+}
diff --git a/src/main/java/org/traccar/geofence/GeofencePolyline.java b/src/main/java/org/traccar/geofence/GeofencePolyline.java
new file mode 100644
index 000000000..d84f512e3
--- /dev/null
+++ b/src/main/java/org/traccar/geofence/GeofencePolyline.java
@@ -0,0 +1,107 @@
+/*
+ * Copyright 2016 Anton Tananaev (anton@traccar.org)
+ * Copyright 2016 Andrey Kunitsyn (andrey@traccar.org)
+ *
+ * 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.traccar.geofence;
+
+import java.text.ParseException;
+import java.util.ArrayList;
+
+import org.traccar.helper.DistanceCalculator;
+
+public class GeofencePolyline extends GeofenceGeometry {
+
+ private ArrayList<Coordinate> coordinates;
+ private double distance;
+
+ public GeofencePolyline() {
+ }
+
+ public GeofencePolyline(String wkt, double distance) throws ParseException {
+ fromWkt(wkt);
+ this.distance = distance;
+ }
+
+ @Override
+ public boolean containsPoint(double latitude, double longitude) {
+ for (int i = 1; i < coordinates.size(); i++) {
+ if (DistanceCalculator.distanceToLine(
+ latitude, longitude, coordinates.get(i - 1).getLat(), coordinates.get(i - 1).getLon(),
+ coordinates.get(i).getLat(), coordinates.get(i).getLon()) <= distance) {
+ return true;
+ }
+ }
+ return false;
+ }
+
+ @Override
+ public String toWkt() {
+ StringBuilder buf = new StringBuilder();
+ buf.append("LINESTRING (");
+ for (Coordinate coordinate : coordinates) {
+ buf.append(String.valueOf(coordinate.getLat()));
+ buf.append(" ");
+ buf.append(String.valueOf(coordinate.getLon()));
+ buf.append(", ");
+ }
+ return buf.substring(0, buf.length() - 2) + ")";
+ }
+
+ @Override
+ public void fromWkt(String wkt) throws ParseException {
+ if (coordinates == null) {
+ coordinates = new ArrayList<>();
+ } else {
+ coordinates.clear();
+ }
+
+ if (!wkt.startsWith("LINESTRING")) {
+ throw new ParseException("Mismatch geometry type", 0);
+ }
+ String content = wkt.substring(wkt.indexOf("(") + 1, wkt.indexOf(")"));
+ if (content.isEmpty()) {
+ throw new ParseException("No content", 0);
+ }
+ String[] commaTokens = content.split(",");
+ if (commaTokens.length < 2) {
+ throw new ParseException("Not valid content", 0);
+ }
+
+ for (String commaToken : commaTokens) {
+ String[] tokens = commaToken.trim().split("\\s");
+ if (tokens.length != 2) {
+ throw new ParseException("Here must be two coordinates: " + commaToken, 0);
+ }
+ Coordinate coordinate = new Coordinate();
+ try {
+ coordinate.setLat(Double.parseDouble(tokens[0]));
+ } catch (NumberFormatException e) {
+ throw new ParseException(tokens[0] + " is not a double", 0);
+ }
+ try {
+ coordinate.setLon(Double.parseDouble(tokens[1]));
+ } catch (NumberFormatException e) {
+ throw new ParseException(tokens[1] + " is not a double", 0);
+ }
+ coordinates.add(coordinate);
+ }
+
+ }
+
+ public void setDistance(double distance) {
+ this.distance = distance;
+ }
+
+}