Implement Fifotrack commands

1 files changed, 45 insertions, 0 deletions

diff --git a/src/main/java/org/traccar/protocol/FifotrackProtocolEncoder.java b/src/main/java/org/traccar/protocol/FifotrackProtocolEncoder.java
new file mode 100644
index 000000000..ff0a2e56e
--- /dev/null
+++ b/src/main/java/org/traccar/protocol/FifotrackProtocolEncoder.java
@@ -0,0 +1,45 @@
+/*
+ * Copyright 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.protocol;
+
+import org.traccar.StringProtocolEncoder;
+import org.traccar.helper.Checksum;
+import org.traccar.model.Command;
+
+public class FifotrackProtocolEncoder extends StringProtocolEncoder {
+
+    private Object formatCommand(Command command, String content) {
+        String uniqueId = getUniqueId(command.getDeviceId());
+        int length = 1 + uniqueId.length() + 3 + content.length();
+        String result = String.format("##%02d,%s,1,%s*", length, uniqueId, content);
+        result += Checksum.sum(result) + "\r\n";
+        return result;
+    }
+
+    @Override
+    protected Object encodeCommand(Command command) {
+
+        switch (command.getType()) {
+            case Command.TYPE_CUSTOM:
+                return formatCommand(command, command.getString(Command.KEY_DATA));
+            case Command.TYPE_REQUEST_PHOTO:
+                return formatCommand(command, "D05,3");
+            default:
+                return null;
+        }
+    }
+
+}