From bc7aa50f28f47dbccf26361c09f9b33a59640d84 Mon Sep 17 00:00:00 2001
From: Jose Castellanos <jose.castellanos.molina@gmail.com>
Date: Fri, 7 Apr 2017 16:39:22 -0500
Subject: Added EnforaEncoder tested on 2818

---
 .../traccar/protocol/EnforaProtocolEncoder.java    | 66 ++++++++++++++++++++++
 1 file changed, 66 insertions(+)
 create mode 100644 src/org/traccar/protocol/EnforaProtocolEncoder.java

(limited to 'src/org/traccar/protocol/EnforaProtocolEncoder.java')

diff --git a/src/org/traccar/protocol/EnforaProtocolEncoder.java b/src/org/traccar/protocol/EnforaProtocolEncoder.java
new file mode 100644
index 000000000..b13957ed6
--- /dev/null
+++ b/src/org/traccar/protocol/EnforaProtocolEncoder.java
@@ -0,0 +1,66 @@
+/*
+ * Copyright 2016 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.jboss.netty.buffer.ChannelBuffer;
+import org.jboss.netty.buffer.ChannelBuffers;
+import org.traccar.StringProtocolEncoder;
+import org.traccar.helper.Log;
+import org.traccar.model.Command;
+
+import java.nio.charset.StandardCharsets;
+
+public class EnforaProtocolEncoder extends StringProtocolEncoder {
+
+    private ChannelBuffer encodeContent(String content) {
+
+        ChannelBuffer buf = ChannelBuffers.dynamicBuffer();
+
+        byte[] contentBytes = content.getBytes();
+
+        buf.writeByte(0x00); // Byte 0 Length
+        buf.writeByte(contentBytes.length + 6); // Byte 1 Length
+        buf.writeByte(0x00); // Byte 2 Api Number Sequence
+        buf.writeByte(0x00); // Byte 3 Api Number Sequence
+        buf.writeByte(0x04); // Byte 4 Command Type 4 AT Command
+        buf.writeByte(0x00); // Byte 5 API Optional Header
+        // Byte 6+m AT Command
+        buf.writeBytes(content.getBytes(StandardCharsets.UTF_8));
+
+        return buf;
+    }
+
+    @Override
+    protected Object encodeCommand(Command command) {
+
+        initDevicePassword(command, "");
+
+        switch (command.getType()) {
+            case Command.TYPE_CUSTOM:
+                return encodeContent(command.getString(Command.KEY_DATA));
+            case Command.TYPE_ENGINE_STOP:
+                return encodeContent("AT$IOGP3=1");
+            case Command.TYPE_ENGINE_RESUME:
+                return encodeContent("AT$IOGP3=0");
+            default:
+                Log.warning(new UnsupportedOperationException(command.getType()));
+                break;
+        }
+
+        return null;
+    }
+
+}
-- 
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