Merge pull request #3582 from nadezhdamosunova/master

Initial flespi integtation

1 files changed, 116 insertions, 0 deletions

diff --git a/src/org/traccar/protocol/FlespiProtocolDecoder.java b/src/org/traccar/protocol/FlespiProtocolDecoder.java
new file mode 100644
index 000000000..799d78ecb
--- /dev/null
+++ b/src/org/traccar/protocol/FlespiProtocolDecoder.java
@@ -0,0 +1,116 @@
+/*
+ * Copyright 2017 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.protocol;
+
+import org.jboss.netty.channel.Channel;
+import org.jboss.netty.handler.codec.http.DefaultHttpResponse;
+import org.jboss.netty.handler.codec.http.HttpRequest;
+import org.jboss.netty.handler.codec.http.HttpResponse;
+import org.jboss.netty.handler.codec.http.HttpResponseStatus;
+import org.jboss.netty.handler.codec.http.HttpVersion;
+import org.jboss.netty.handler.codec.http.HttpHeaders;
+import org.traccar.BaseProtocolDecoder;
+import org.traccar.DeviceSession;
+import org.traccar.model.Position;
+
+import javax.json.Json;
+import javax.json.JsonArray;
+import javax.json.JsonNumber;
+import javax.json.JsonObject;
+import javax.json.JsonString;
+import java.io.StringReader;
+import java.net.SocketAddress;
+import java.nio.charset.StandardCharsets;
+import java.util.List;
+import java.util.LinkedList;
+import java.util.Date;
+
+public class FlespiProtocolDecoder extends BaseProtocolDecoder {
+
+    public FlespiProtocolDecoder(FlespiProtocol protocol) {
+        super(protocol);
+    }
+
+    @Override
+    protected Object decode(
+            Channel channel, SocketAddress remoteAddress, Object msg) throws Exception {
+
+        HttpRequest request = (HttpRequest) msg;
+        JsonArray result = Json.createReader(new StringReader(request.getContent().toString(StandardCharsets.UTF_8)))
+                .readArray();
+        List<Position> positions = new LinkedList<>();
+        for (int i = 0; i < result.size(); i++) {
+            JsonObject message = result.getJsonObject(i);
+            JsonString ident = message.getJsonString("ident");
+            if (ident == null) {
+                continue;
+            }
+            DeviceSession deviceSession = getDeviceSession(channel, remoteAddress, ident.getString());
+            if (deviceSession == null) {
+                continue;
+            }
+            Position position = new Position();
+            position.setDeviceId(deviceSession.getDeviceId());
+            decodePosition(message, position);
+            positions.add(position);
+        }
+
+        sendResponse(channel, HttpResponseStatus.OK);
+        return positions;
+    }
+
+    private void sendResponse(Channel channel, HttpResponseStatus status) {
+        if (channel != null) {
+            HttpResponse response = new DefaultHttpResponse(HttpVersion.HTTP_1_1, status);
+            response.headers().add(HttpHeaders.Names.CONTENT_LENGTH, 0);
+            channel.write(response);
+        }
+    }
+
+    private void decodePosition(JsonObject object, Position position) {
+        position.setProtocol(getProtocolName());
+
+        Date deviceTime = new Date((long) object.getJsonNumber("timestamp").doubleValue() * 1000);
+        position.setTime(deviceTime);
+        JsonNumber lat = object.getJsonNumber("position.latitude");
+        JsonNumber lon = object.getJsonNumber("position.longitude");
+        if (lat != null && lon != null) {
+            position.setLatitude(lat.doubleValue());
+            position.setLongitude(lon.doubleValue());
+        } else {
+            getLastLocation(position, deviceTime);
+        }
+        JsonNumber speed = object.getJsonNumber("position.speed");
+        if (speed != null) {
+            position.setSpeed(speed.doubleValue());
+        }
+        JsonNumber course = object.getJsonNumber("position.direction");
+        if (course != null) {
+            position.setCourse(course.doubleValue());
+        }
+        JsonNumber altitude = object.getJsonNumber("position.altitude");
+        if (altitude != null) {
+            position.setAltitude(altitude.doubleValue());
+        }
+
+        position.setValid(object.getBoolean("position.valid", true));
+        position.set(Position.KEY_SATELLITES, object.getInt("position.satellites", 0));
+
+        if (object.getBoolean("alarm.event.trigger", false)) {
+            position.set(Position.KEY_ALARM, Position.ALARM_GENERAL);
+        }
+    }
+}