1 files changed, 107 insertions, 0 deletions
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;
+    }
+
+}