From f458cbe473bdc49157415a8bfc6441afd86b670e Mon Sep 17 00:00:00 2001
From: Anton Tananaev <anton.tananaev@gmail.com>
Date: Thu, 18 Apr 2019 22:30:15 -0700
Subject: Option to force time override

---
 src/main/java/org/traccar/handler/TimeHandler.java | 63 ++++++++++++++++++++++
 1 file changed, 63 insertions(+)
 create mode 100644 src/main/java/org/traccar/handler/TimeHandler.java

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

diff --git a/src/main/java/org/traccar/handler/TimeHandler.java b/src/main/java/org/traccar/handler/TimeHandler.java
new file mode 100644
index 000000000..d8039518c
--- /dev/null
+++ b/src/main/java/org/traccar/handler/TimeHandler.java
@@ -0,0 +1,63 @@
+/*
+ * 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.handler;
+
+import io.netty.channel.ChannelHandler;
+import io.netty.channel.ChannelHandlerContext;
+import io.netty.channel.ChannelInboundHandlerAdapter;
+import org.traccar.BaseProtocolDecoder;
+import org.traccar.Context;
+import org.traccar.config.Config;
+import org.traccar.config.Keys;
+import org.traccar.model.Position;
+
+import java.util.Arrays;
+import java.util.HashSet;
+import java.util.Set;
+
+@ChannelHandler.Sharable
+public class TimeHandler extends ChannelInboundHandlerAdapter {
+
+    private final boolean useServerTime;
+    private final Set<String> protocols;
+
+    public TimeHandler(Config config) {
+        useServerTime = config.getString(Keys.TIME_OVERRIDE).equalsIgnoreCase("serverTime");
+        String protocolList = Context.getConfig().getString(Keys.TIME_PROTOCOLS);
+        if (protocolList != null) {
+            protocols = new HashSet<>(Arrays.asList(protocolList.split("[, ]")));
+        } else {
+            protocols = null;
+        }
+    }
+
+    @Override
+    public void channelRead(ChannelHandlerContext ctx, Object msg) {
+
+        if (msg instanceof Position && (protocols == null
+                || protocols.contains(ctx.pipeline().get(BaseProtocolDecoder.class).getProtocolName()))) {
+
+            Position position = (Position) msg;
+            if (useServerTime) {
+                position.setDeviceTime(position.getServerTime());
+            }
+            position.setFixTime(position.getDeviceTime());
+
+        }
+        ctx.fireChannelRead(msg);
+    }
+
+}
-- 
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