From 7185a24a275dd9f17b364480d4a3641c2cc05bc8 Mon Sep 17 00:00:00 2001
From: Anton Tananaev <anton.tananaev@gmail.com>
Date: Mon, 25 Apr 2016 19:02:31 +1200
Subject: Finish watch commands implementation

---
 src/org/traccar/protocol/WatchProtocolEncoder.java | 77 +++++++++++++++++++++-
 1 file changed, 76 insertions(+), 1 deletion(-)

(limited to 'src/org/traccar/protocol')

diff --git a/src/org/traccar/protocol/WatchProtocolEncoder.java b/src/org/traccar/protocol/WatchProtocolEncoder.java
index f93cb7568..b31c2e076 100644
--- a/src/org/traccar/protocol/WatchProtocolEncoder.java
+++ b/src/org/traccar/protocol/WatchProtocolEncoder.java
@@ -19,14 +19,89 @@ import org.traccar.StringProtocolEncoder;
 import org.traccar.helper.Log;
 import org.traccar.model.Command;
 
+import javax.xml.bind.DatatypeConverter;
+import java.nio.charset.Charset;
+import java.nio.charset.StandardCharsets;
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.Map;
+
 public class WatchProtocolEncoder extends StringProtocolEncoder {
 
+    protected String formatCommand(Command command, String format, String... keys) {
+        String content = super.formatCommand(command, format, keys);
+        return String.format("[CS*%s*%04x*%s]",
+                getUniqueId(command.getDeviceId()), content.length(), content);
+    }
+
+    private int getEnableFlag(Command command) {
+        if ((Boolean) command.getAttributes().get(Command.KEY_ENABLE)) {
+            return 1;
+        } else {
+            return 0;
+        }
+    }
+
+    private static Map<Byte, Byte> mapping = new HashMap<>();
+
+    static {
+        mapping.put((byte) 0x7d, (byte) 0x01);
+        mapping.put((byte) 0x5B, (byte) 0x02);
+        mapping.put((byte) 0x5D, (byte) 0x03);
+        mapping.put((byte) 0x2C, (byte) 0x04);
+        mapping.put((byte) 0x2A, (byte) 0x05);
+    }
+
+    private String getBinaryData(Command command) {
+        byte[] data = DatatypeConverter.parseHexBinary((String) command.getAttributes().get(Command.KEY_DATA));
+
+        int encodedLength = data.length;
+        for (byte b : data) {
+            if (mapping.containsKey(b)) {
+                encodedLength += 1;
+            }
+        }
+
+        int index = 0;
+        byte[] encodedData = new byte[encodedLength];
+
+        for (byte b : data) {
+            Byte replacement = mapping.get(b);
+            if (replacement != null) {
+                encodedData[index] = 0x7D;
+                index += 1;
+                encodedData[index] = replacement;
+            } else {
+                encodedData[index] = b;
+            }
+            index += 1;
+        }
+
+        return new String(encodedData, StandardCharsets.US_ASCII);
+    }
+
     @Override
     protected Object encodeCommand(Command command) {
 
         switch (command.getType()) {
+            case Command.TYPE_SOS_NUMBER:
+                return formatCommand(command, "SOS{%s},{%s}", Command.KEY_INDEX, Command.KEY_PHONE);
+            case Command.TYPE_ALARM_SOS:
+                return formatCommand(command, "SOSSMS," + getEnableFlag(command));
+            case Command.TYPE_ALARM_BATTERY:
+                return formatCommand(command, "LOWBAT," + getEnableFlag(command));
             case Command.TYPE_REBOOT_DEVICE:
-                return formatCommand(command, "[CS*{%s}*0005*RESET]", Command.KEY_UNIQUE_ID);
+                return formatCommand(command, "RESET");
+            case Command.TYPE_ALARM_REMOVE:
+                return formatCommand(command, "REMOVE," + getEnableFlag(command));
+            case Command.TYPE_SILENCE_TIME:
+                return formatCommand(command, "SILENCETIME,{%s}", Command.KEY_DATA);
+            case Command.TYPE_ALARM_CLOCK:
+                return formatCommand(command, "REMIND,{%s}", Command.KEY_DATA);
+            case Command.TYPE_SET_PHONEBOOK:
+                return formatCommand(command, "PHB,{%s}", Command.KEY_DATA);
+            case Command.TYPE_VOICE_MESSAGE:
+                return formatCommand(command, "TK," + getBinaryData(command));
             default:
                 Log.warning(new UnsupportedOperationException(command.getType()));
                 break;
-- 
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