Convert project to gradle

1 files changed, 170 insertions, 0 deletions

diff --git a/src/main/java/org/traccar/protocol/GpsGateProtocolDecoder.java b/src/main/java/org/traccar/protocol/GpsGateProtocolDecoder.java
new file mode 100644
index 000000000..cc187225b
--- /dev/null
+++ b/src/main/java/org/traccar/protocol/GpsGateProtocolDecoder.java
@@ -0,0 +1,170 @@
+/*
+ * Copyright 2013 - 2018 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 io.netty.channel.Channel;
+import org.traccar.BaseProtocolDecoder;
+import org.traccar.DeviceSession;
+import org.traccar.NetworkMessage;
+import org.traccar.Protocol;
+import org.traccar.helper.Checksum;
+import org.traccar.helper.DateBuilder;
+import org.traccar.helper.Parser;
+import org.traccar.helper.PatternBuilder;
+import org.traccar.model.Position;
+
+import java.net.SocketAddress;
+import java.util.regex.Pattern;
+
+public class GpsGateProtocolDecoder extends BaseProtocolDecoder {
+
+    public GpsGateProtocolDecoder(Protocol protocol) {
+        super(protocol);
+    }
+
+    private static final Pattern PATTERN_GPRMC = new PatternBuilder()
+            .text("$GPRMC,")
+            .number("(dd)(dd)(dd).?d*,")         // time (hhmmss)
+            .expression("([AV]),")               // validity
+            .number("(dd)(dd.d+),")              // latitude
+            .expression("([NS]),")
+            .number("(ddd)(dd.d+),")             // longitude
+            .expression("([EW]),")
+            .number("(d+.d+)?,")                 // speed
+            .number("(d+.d+)?,")                 // course
+            .number("(dd)(dd)(dd)")              // date (ddmmyy)
+            .any()
+            .compile();
+
+    private static final Pattern PATTERN_FRCMD = new PatternBuilder()
+            .text("$FRCMD,")
+            .number("(d+),")                     // imei
+            .expression("[^,]*,")                // command
+            .expression("[^,]*,")
+            .number("(d+)(dd.d+),")              // latitude
+            .expression("([NS]),")
+            .number("(d+)(dd.d+),")              // longitude
+            .expression("([EW]),")
+            .number("(d+.?d*),")                 // altitude
+            .number("(d+.?d*),")                 // speed
+            .number("(d+.?d*)?,")                // course
+            .number("(dd)(dd)(dd),")             // date (ddmmyy)
+            .number("(dd)(dd)(dd).?d*,")         // time (hhmmss)
+            .expression("([01])")                // validity
+            .any()
+            .compile();
+
+    private void send(Channel channel, SocketAddress remoteAddress, String message) {
+        if (channel != null) {
+            channel.writeAndFlush(new NetworkMessage(message + Checksum.nmea(message) + "\r\n", remoteAddress));
+        }
+    }
+
+    @Override
+    protected Object decode(
+            Channel channel, SocketAddress remoteAddress, Object msg) throws Exception {
+
+        String sentence = (String) msg;
+
+        if (sentence.startsWith("$FRLIN,")) {
+
+            int beginIndex = sentence.indexOf(',', 7);
+            if (beginIndex != -1) {
+                beginIndex += 1;
+                int endIndex = sentence.indexOf(',', beginIndex);
+                if (endIndex != -1) {
+                    String imei = sentence.substring(beginIndex, endIndex);
+                    DeviceSession deviceSession = getDeviceSession(channel, remoteAddress, imei);
+                    if (deviceSession != null) {
+                        if (channel != null) {
+                            send(channel, remoteAddress, "$FRSES," + channel.id().asShortText());
+                        }
+                    } else {
+                        send(channel, remoteAddress, "$FRERR,AuthError,Unknown device");
+                    }
+                } else {
+                    send(channel, remoteAddress, "$FRERR,AuthError,Parse error");
+                }
+            } else {
+                send(channel, remoteAddress, "$FRERR,AuthError,Parse error");
+            }
+
+        } else if (sentence.startsWith("$FRVER,")) {
+
+            send(channel, remoteAddress, "$FRVER,1,0,GpsGate Server 1.0");
+
+        } else if (sentence.startsWith("$GPRMC,")) {
+
+            DeviceSession deviceSession = getDeviceSession(channel, remoteAddress);
+            if (deviceSession == null) {
+                return null;
+            }
+
+            Parser parser = new Parser(PATTERN_GPRMC, sentence);
+            if (!parser.matches()) {
+                return null;
+            }
+
+            Position position = new Position(getProtocolName());
+            position.setDeviceId(deviceSession.getDeviceId());
+
+            DateBuilder dateBuilder = new DateBuilder()
+                    .setTime(parser.nextInt(0), parser.nextInt(0), parser.nextInt(0));
+
+            position.setValid(parser.next().equals("A"));
+            position.setLatitude(parser.nextCoordinate());
+            position.setLongitude(parser.nextCoordinate());
+            position.setSpeed(parser.nextDouble(0));
+            position.setCourse(parser.nextDouble(0));
+
+            dateBuilder.setDateReverse(parser.nextInt(0), parser.nextInt(0), parser.nextInt(0));
+            position.setTime(dateBuilder.getDate());
+
+            return position;
+
+        } else if (sentence.startsWith("$FRCMD,")) {
+
+            Parser parser = new Parser(PATTERN_FRCMD, sentence);
+            if (!parser.matches()) {
+                return null;
+            }
+
+            Position position = new Position(getProtocolName());
+
+            DeviceSession deviceSession = getDeviceSession(channel, remoteAddress, parser.next());
+            if (deviceSession == null) {
+                return null;
+            }
+            position.setDeviceId(deviceSession.getDeviceId());
+
+            position.setLatitude(parser.nextCoordinate());
+            position.setLongitude(parser.nextCoordinate());
+            position.setAltitude(parser.nextDouble(0));
+            position.setSpeed(parser.nextDouble(0));
+            position.setCourse(parser.nextDouble(0));
+
+            position.setTime(parser.nextDateTime(Parser.DateTimeFormat.DMY_HMS));
+
+            position.setValid(parser.next().equals("1"));
+
+            return position;
+
+        }
+
+        return null;
+    }
+
+}