1 files changed, 201 insertions, 0 deletions
diff --git a/src/main/java/org/traccar/WebDataHandler.java b/src/main/java/org/traccar/WebDataHandler.java
new file mode 100644
index 000000000..64396de03
--- /dev/null
+++ b/src/main/java/org/traccar/WebDataHandler.java
@@ -0,0 +1,201 @@
+/*
+ * Copyright 2015 - 2019 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;
+
+import com.fasterxml.jackson.core.JsonProcessingException;
+import com.fasterxml.jackson.databind.ObjectMapper;
+import io.netty.channel.ChannelHandler;
+import org.traccar.config.Config;
+import org.traccar.config.Keys;
+import org.traccar.database.IdentityManager;
+import org.traccar.helper.Checksum;
+import org.traccar.model.Device;
+import org.traccar.model.Position;
+import org.traccar.model.Group;
+
+import javax.inject.Inject;
+import javax.ws.rs.client.Client;
+import javax.ws.rs.client.Entity;
+import javax.ws.rs.client.Invocation;
+import java.util.HashMap;
+import java.util.Map;
+import java.io.UnsupportedEncodingException;
+import java.net.URLEncoder;
+import java.nio.charset.StandardCharsets;
+import java.util.Calendar;
+import java.util.Formatter;
+import java.util.Locale;
+import java.util.TimeZone;
+
+@ChannelHandler.Sharable
+public class WebDataHandler extends BaseDataHandler {
+
+    private static final String KEY_POSITION = "position";
+    private static final String KEY_DEVICE = "device";
+
+    private final IdentityManager identityManager;
+    private final ObjectMapper objectMapper;
+    private final Client client;
+
+    private final String url;
+    private final String header;
+    private final boolean json;
+
+    @Inject
+    public WebDataHandler(
+            Config config, IdentityManager identityManager, ObjectMapper objectMapper, Client client) {
+        this.identityManager = identityManager;
+        this.objectMapper = objectMapper;
+        this.client = client;
+        this.url = config.getString(Keys.FORWARD_URL);
+        this.header = config.getString(Keys.FORWARD_HEADER);
+        this.json = config.getBoolean(Keys.FORWARD_JSON);
+    }
+
+    private static String formatSentence(Position position) {
+
+        StringBuilder s = new StringBuilder("$GPRMC,");
+
+        try (Formatter f = new Formatter(s, Locale.ENGLISH)) {
+
+            Calendar calendar = Calendar.getInstance(TimeZone.getTimeZone("UTC"), Locale.ENGLISH);
+            calendar.setTimeInMillis(position.getFixTime().getTime());
+
+            f.format("%1$tH%1$tM%1$tS.%1$tL,A,", calendar);
+
+            double lat = position.getLatitude();
+            double lon = position.getLongitude();
+
+            f.format("%02d%07.4f,%c,", (int) Math.abs(lat), Math.abs(lat) % 1 * 60, lat < 0 ? 'S' : 'N');
+            f.format("%03d%07.4f,%c,", (int) Math.abs(lon), Math.abs(lon) % 1 * 60, lon < 0 ? 'W' : 'E');
+
+            f.format("%.2f,%.2f,", position.getSpeed(), position.getCourse());
+            f.format("%1$td%1$tm%1$ty,,", calendar);
+        }
+
+        s.append(Checksum.nmea(s.toString()));
+
+        return s.toString();
+    }
+
+    private String calculateStatus(Position position) {
+        if (position.getAttributes().containsKey(Position.KEY_ALARM)) {
+            return "0xF841"; // STATUS_PANIC_ON
+        } else if (position.getSpeed() < 1.0) {
+            return "0xF020"; // STATUS_LOCATION
+        } else {
+            return "0xF11C"; // STATUS_MOTION_MOVING
+        }
+    }
+
+    public String formatRequest(Position position) throws UnsupportedEncodingException, JsonProcessingException {
+
+        Device device = identityManager.getById(position.getDeviceId());
+
+        String request = url
+                .replace("{name}", URLEncoder.encode(device.getName(), StandardCharsets.UTF_8.name()))
+                .replace("{uniqueId}", device.getUniqueId())
+                .replace("{status}", device.getStatus())
+                .replace("{deviceId}", String.valueOf(position.getDeviceId()))
+                .replace("{protocol}", String.valueOf(position.getProtocol()))
+                .replace("{deviceTime}", String.valueOf(position.getDeviceTime().getTime()))
+                .replace("{fixTime}", String.valueOf(position.getFixTime().getTime()))
+                .replace("{valid}", String.valueOf(position.getValid()))
+                .replace("{latitude}", String.valueOf(position.getLatitude()))
+                .replace("{longitude}", String.valueOf(position.getLongitude()))
+                .replace("{altitude}", String.valueOf(position.getAltitude()))
+                .replace("{speed}", String.valueOf(position.getSpeed()))
+                .replace("{course}", String.valueOf(position.getCourse()))
+                .replace("{accuracy}", String.valueOf(position.getAccuracy()))
+                .replace("{statusCode}", calculateStatus(position));
+
+        if (position.getAddress() != null) {
+            request = request.replace(
+                    "{address}", URLEncoder.encode(position.getAddress(), StandardCharsets.UTF_8.name()));
+        }
+
+        if (request.contains("{attributes}")) {
+            String attributes = objectMapper.writeValueAsString(position.getAttributes());
+            request = request.replace(
+                    "{attributes}", URLEncoder.encode(attributes, StandardCharsets.UTF_8.name()));
+        }
+
+        if (request.contains("{gprmc}")) {
+            request = request.replace("{gprmc}", formatSentence(position));
+        }
+
+        if (request.contains("{group}")) {
+            String deviceGroupName = "";
+            if (device.getGroupId() != 0) {
+                Group group = Context.getGroupsManager().getById(device.getGroupId());
+                if (group != null) {
+                    deviceGroupName = group.getName();
+                }
+            }
+
+            request = request.replace("{group}", URLEncoder.encode(deviceGroupName, StandardCharsets.UTF_8.name()));
+        }
+
+        return request;
+    }
+
+    @Override
+    protected Position handlePosition(Position position) {
+
+        String url;
+        if (json) {
+            url = this.url;
+        } else {
+            try {
+                url = formatRequest(position);
+            } catch (UnsupportedEncodingException | JsonProcessingException e) {
+                throw new RuntimeException("Forwarding formatting error", e);
+            }
+        }
+
+        Invocation.Builder requestBuilder = client.target(url).request();
+
+        if (header != null && !header.isEmpty()) {
+            for (String line: header.split("\\r?\\n")) {
+                String[] values = line.split(":", 2);
+                requestBuilder.header(values[0].trim(), values[1].trim());
+            }
+        }
+
+        if (json) {
+            requestBuilder.async().post(Entity.json(prepareJsonPayload(position)));
+        } else {
+            requestBuilder.async().get();
+        }
+
+        return position;
+    }
+
+    private Map<String, Object> prepareJsonPayload(Position position) {
+
+        Map<String, Object> data = new HashMap<>();
+        Device device = identityManager.getById(position.getDeviceId());
+
+        data.put(KEY_POSITION, position);
+
+        if (device != null) {
+            data.put(KEY_DEVICE, device);
+        }
+
+        return data;
+    }
+
+}