aboutsummaryrefslogtreecommitdiff
path: root/src/org/traccar/geofence/GeofenceCircle.java
diff options
context:
space:
mode:
Diffstat (limited to 'src/org/traccar/geofence/GeofenceCircle.java')
-rw-r--r--src/org/traccar/geofence/GeofenceCircle.java94
1 files changed, 94 insertions, 0 deletions
diff --git a/src/org/traccar/geofence/GeofenceCircle.java b/src/org/traccar/geofence/GeofenceCircle.java
new file mode 100644
index 000000000..a36620aec
--- /dev/null
+++ b/src/org/traccar/geofence/GeofenceCircle.java
@@ -0,0 +1,94 @@
+/*
+ * Copyright 2016 Anton Tananaev (anton.tananaev@gmail.com)
+ *
+ * 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;
+ }
+
+ @Override
+ public boolean containsPoint(double latitude, double longitude) {
+ return DistanceCalculator.distance(centerLatitude, centerLongitude, 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);
+ }
+ }
+}