Convert project to gradle

1 files changed, 155 insertions, 0 deletions

diff --git a/src/main/java/org/traccar/protocol/HuaShengProtocolDecoder.java b/src/main/java/org/traccar/protocol/HuaShengProtocolDecoder.java
new file mode 100644
index 000000000..8a937a194
--- /dev/null
+++ b/src/main/java/org/traccar/protocol/HuaShengProtocolDecoder.java
@@ -0,0 +1,155 @@
+/*
+ * Copyright 2016 - 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.buffer.ByteBuf;
+import io.netty.buffer.Unpooled;
+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.BitUtil;
+import org.traccar.helper.DateBuilder;
+import org.traccar.helper.UnitsConverter;
+import org.traccar.model.Position;
+
+import java.net.SocketAddress;
+import java.nio.charset.StandardCharsets;
+
+public class HuaShengProtocolDecoder extends BaseProtocolDecoder {
+
+    public HuaShengProtocolDecoder(Protocol protocol) {
+        super(protocol);
+    }
+
+    public static final int MSG_POSITION = 0xAA00;
+    public static final int MSG_POSITION_RSP = 0xFF01;
+    public static final int MSG_LOGIN = 0xAA02;
+    public static final int MSG_LOGIN_RSP = 0xFF03;
+    public static final int MSG_HSO_REQ = 0x0002;
+    public static final int MSG_HSO_RSP = 0x0003;
+
+    private void sendResponse(Channel channel, int type, int index, ByteBuf content) {
+        if (channel != null) {
+            ByteBuf response = Unpooled.buffer();
+            response.writeByte(0xC0);
+            response.writeShort(0x0100);
+            response.writeShort(12 + (content != null ? content.readableBytes() : 0));
+            response.writeShort(type);
+            response.writeShort(0);
+            response.writeInt(index);
+            if (content != null) {
+                response.writeBytes(content);
+                content.release();
+            }
+            response.writeByte(0xC0);
+            channel.writeAndFlush(new NetworkMessage(response, channel.remoteAddress()));
+        }
+    }
+
+    @Override
+    protected Object decode(
+            Channel channel, SocketAddress remoteAddress, Object msg) throws Exception {
+
+        ByteBuf buf = (ByteBuf) msg;
+
+        buf.skipBytes(1); // start marker
+        buf.readUnsignedByte(); // flag
+        buf.readUnsignedByte(); // reserved
+        buf.readUnsignedShort(); // length
+
+        int type = buf.readUnsignedShort();
+
+        buf.readUnsignedShort(); // checksum
+        int index = buf.readInt();
+
+        if (type == MSG_LOGIN) {
+
+            while (buf.readableBytes() > 4) {
+                int subtype = buf.readUnsignedShort();
+                int length = buf.readUnsignedShort() - 4;
+                if (subtype == 0x0003) {
+                    String imei = buf.readSlice(length).toString(StandardCharsets.US_ASCII);
+                    DeviceSession deviceSession = getDeviceSession(channel, remoteAddress, imei);
+                    if (deviceSession != null && channel != null) {
+                        ByteBuf content = Unpooled.buffer();
+                        content.writeByte(0); // success
+                        sendResponse(channel, MSG_LOGIN_RSP, index, content);
+                    }
+                } else {
+                    buf.skipBytes(length);
+                }
+            }
+
+        } else if (type == MSG_HSO_REQ) {
+
+            sendResponse(channel, MSG_HSO_RSP, index, null);
+
+        } else if (type == MSG_POSITION) {
+
+            DeviceSession deviceSession = getDeviceSession(channel, remoteAddress);
+            if (deviceSession == null) {
+                return null;
+            }
+
+            Position position = new Position(getProtocolName());
+            position.setDeviceId(deviceSession.getDeviceId());
+
+            int status = buf.readUnsignedShort();
+
+            position.setValid(BitUtil.check(status, 15));
+
+            position.set(Position.KEY_STATUS, status);
+            position.set(Position.KEY_IGNITION, BitUtil.check(status, 14));
+            position.set(Position.KEY_EVENT, buf.readUnsignedShort());
+
+            String time = buf.readSlice(12).toString(StandardCharsets.US_ASCII);
+
+            DateBuilder dateBuilder = new DateBuilder()
+                    .setYear(Integer.parseInt(time.substring(0, 2)))
+                    .setMonth(Integer.parseInt(time.substring(2, 4)))
+                    .setDay(Integer.parseInt(time.substring(4, 6)))
+                    .setHour(Integer.parseInt(time.substring(6, 8)))
+                    .setMinute(Integer.parseInt(time.substring(8, 10)))
+                    .setSecond(Integer.parseInt(time.substring(10, 12)));
+            position.setTime(dateBuilder.getDate());
+
+            position.setLongitude(buf.readInt() * 0.00001);
+            position.setLatitude(buf.readInt() * 0.00001);
+
+            position.setSpeed(UnitsConverter.knotsFromKph(buf.readUnsignedShort()));
+            position.setCourse(buf.readUnsignedShort());
+            position.setAltitude(buf.readUnsignedShort());
+
+            position.set(Position.KEY_ODOMETER, buf.readUnsignedShort() * 1000);
+
+            while (buf.readableBytes() > 4) {
+                buf.readUnsignedShort(); // subtype
+                int length = buf.readUnsignedShort() - 4;
+                buf.skipBytes(length);
+            }
+
+            sendResponse(channel, MSG_POSITION_RSP, index, null);
+
+            return position;
+
+        }
+
+        return null;
+    }
+
+}