Granit protocol implementation

1 files changed, 57 insertions, 0 deletions

diff --git a/src/org/traccar/protocol/GranitProtocolEncoder.java b/src/org/traccar/protocol/GranitProtocolEncoder.java
new file mode 100644
index 000000000..2f9e0aa10
--- /dev/null
+++ b/src/org/traccar/protocol/GranitProtocolEncoder.java
@@ -0,0 +1,57 @@
+/*
+ * 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.protocol;
+
+import java.nio.ByteOrder;
+import java.nio.charset.StandardCharsets;
+
+import org.jboss.netty.buffer.ChannelBuffer;
+import org.jboss.netty.buffer.ChannelBuffers;
+import org.traccar.BaseProtocolEncoder;
+import org.traccar.helper.Log;
+import org.traccar.model.Command;
+
+public class GranitProtocolEncoder extends BaseProtocolEncoder {
+    @Override
+    protected Object encodeCommand(Command command) {
+
+        ChannelBuffer commandString;
+
+        switch (command.getType()) {
+        case Command.TYPE_IDENTIFICATION:
+            commandString = ChannelBuffers.directBuffer(ByteOrder.LITTLE_ENDIAN, 12);
+            commandString.writeBytes("BB+IDNT".getBytes(StandardCharsets.US_ASCII));
+            GranitProtocolDecoder.appendChecksum(commandString, 7);
+            return commandString;
+        case Command.TYPE_REBOOT_DEVICE:
+            commandString = ChannelBuffers.directBuffer(ByteOrder.LITTLE_ENDIAN, 13);
+            commandString.writeBytes("BB+RESET".getBytes(StandardCharsets.US_ASCII));
+            GranitProtocolDecoder.appendChecksum(commandString, 8);
+            return commandString;
+        case Command.TYPE_POSITION_SINGLE:
+            commandString = ChannelBuffers.directBuffer(ByteOrder.LITTLE_ENDIAN, 12);
+            commandString.writeBytes("BB+RRCD".getBytes(StandardCharsets.US_ASCII));
+            GranitProtocolDecoder.appendChecksum(commandString, 7);
+            return commandString;
+        default:
+            Log.warning(new UnsupportedOperationException(command.getType()));
+            break;
+        }
+
+        return null;
+    }
+
+}