From dc5f2151d9e74f525d74663d599320b8cf3d9c47 Mon Sep 17 00:00:00 2001
From: Anton Tananaev <anton.tananaev@gmail.com>
Date: Wed, 31 May 2017 22:30:45 +1200
Subject: Implement image saving

---
 src/org/traccar/protocol/WatchProtocolDecoder.java | 41 ++++++++++++++++------
 1 file changed, 30 insertions(+), 11 deletions(-)

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

diff --git a/src/org/traccar/protocol/WatchProtocolDecoder.java b/src/org/traccar/protocol/WatchProtocolDecoder.java
index cfd165d06..7af856a9c 100644
--- a/src/org/traccar/protocol/WatchProtocolDecoder.java
+++ b/src/org/traccar/protocol/WatchProtocolDecoder.java
@@ -18,6 +18,7 @@ package org.traccar.protocol;
 import org.jboss.netty.buffer.ChannelBuffer;
 import org.jboss.netty.channel.Channel;
 import org.traccar.BaseProtocolDecoder;
+import org.traccar.Context;
 import org.traccar.DeviceSession;
 import org.traccar.helper.BitUtil;
 import org.traccar.helper.Parser;
@@ -139,22 +140,25 @@ public class WatchProtocolDecoder extends BaseProtocolDecoder {
         buf.skipBytes(4); // length
         buf.skipBytes(1); // delimiter
 
-        String content = null;
+        buf.writerIndex(buf.writerIndex() - 1); // ignore ending
+
         int contentIndex = buf.indexOf(buf.readerIndex(), buf.writerIndex(), (byte) ',');
-        if (contentIndex > 0) {
-            content = buf.toString(contentIndex + 1, buf.writerIndex() - 2 - contentIndex, StandardCharsets.US_ASCII);
-        } else {
-            contentIndex = buf.writerIndex() - 1;
+        if (contentIndex < 0) {
+            contentIndex = buf.writerIndex();
         }
 
         String type = buf.readBytes(contentIndex - buf.readerIndex()).toString(StandardCharsets.US_ASCII);
 
+        if (contentIndex < buf.writerIndex()) {
+            buf.readerIndex(contentIndex + 1);
+        }
+
         if (type.equals("LK")) {
 
             sendResponse(channel, manufacturer, id, "LK");
 
-            if (content != null) {
-                String[] values = content.split(",");
+            if (buf.readable()) {
+                String[] values = buf.toString(StandardCharsets.US_ASCII).split(",");
                 if (values.length >= 3) {
                     Position position = new Position();
                     position.setProtocol(getProtocolName());
@@ -175,7 +179,7 @@ public class WatchProtocolDecoder extends BaseProtocolDecoder {
                 sendResponse(channel, manufacturer, id, "AL");
             }
 
-            Parser parser = new Parser(PATTERN_POSITION, content);
+            Parser parser = new Parser(PATTERN_POSITION, buf.toString(StandardCharsets.US_ASCII));
             if (!parser.matches()) {
                 return null;
             }
@@ -211,17 +215,32 @@ public class WatchProtocolDecoder extends BaseProtocolDecoder {
 
         } else if (type.equals("PULSE") || type.equals("heart")) {
 
-            if (content != null) {
+            if (buf.readable()) {
                 Position position = new Position();
                 position.setProtocol(getProtocolName());
                 position.setDeviceId(deviceSession.getDeviceId());
                 getLastLocation(position, new Date());
                 position.setValid(false);
-                position.set("pulse", content);
-                position.set(Position.KEY_RESULT, content);
+                String pulse = buf.toString(StandardCharsets.US_ASCII);
+                position.set("pulse", pulse);
+                position.set(Position.KEY_RESULT, pulse);
                 return position;
             }
 
+        } else if (type.equals("img")) {
+
+            Position position = new Position();
+            position.setProtocol(getProtocolName());
+            position.setDeviceId(deviceSession.getDeviceId());
+
+            getLastLocation(position, null);
+
+            int timeIndex = buf.indexOf(buf.readerIndex(), buf.writerIndex(), (byte) ',');
+            buf.readerIndex(timeIndex + 12 + 2);
+            position.set(Position.KEY_IMAGE, Context.getMediaManager().writeFile(id, buf, "jpg"));
+
+            return position;
+
         }
 
         return null;
-- 
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