From 3190df1c77db9b17691bfd469c3f92de58ea14ed Mon Sep 17 00:00:00 2001
From: Anton Tananaev <anton.tananaev@gmail.com>
Date: Mon, 29 Apr 2019 23:59:55 -0700
Subject: Implement Fifotrack commands

---
 .../org/traccar/protocol/FifotrackProtocol.java    |  5 +++
 .../traccar/protocol/FifotrackProtocolEncoder.java | 45 ++++++++++++++++++++++
 2 files changed, 50 insertions(+)
 create mode 100644 src/main/java/org/traccar/protocol/FifotrackProtocolEncoder.java

(limited to 'src/main/java/org/traccar')

diff --git a/src/main/java/org/traccar/protocol/FifotrackProtocol.java b/src/main/java/org/traccar/protocol/FifotrackProtocol.java
index 12cd00b4e..d1c3cf695 100644
--- a/src/main/java/org/traccar/protocol/FifotrackProtocol.java
+++ b/src/main/java/org/traccar/protocol/FifotrackProtocol.java
@@ -19,15 +19,20 @@ import io.netty.handler.codec.string.StringEncoder;
 import org.traccar.BaseProtocol;
 import org.traccar.PipelineBuilder;
 import org.traccar.TrackerServer;
+import org.traccar.model.Command;
 
 public class FifotrackProtocol extends BaseProtocol {
 
     public FifotrackProtocol() {
+        setSupportedDataCommands(
+                Command.TYPE_CUSTOM,
+                Command.TYPE_REQUEST_PHOTO);
         addServer(new TrackerServer(false, getName()) {
             @Override
             protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast(new FifotrackFrameDecoder());
                 pipeline.addLast(new StringEncoder());
+                pipeline.addLast(new FifotrackProtocolEncoder());
                 pipeline.addLast(new FifotrackProtocolDecoder(FifotrackProtocol.this));
             }
         });
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;
+        }
+    }
+
+}
-- 
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