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Diffstat (limited to 'src/main/java/org/traccar/protocol/TaipPrefixEncoder.java')
-rw-r--r--src/main/java/org/traccar/protocol/TaipPrefixEncoder.java47
1 files changed, 47 insertions, 0 deletions
diff --git a/src/main/java/org/traccar/protocol/TaipPrefixEncoder.java b/src/main/java/org/traccar/protocol/TaipPrefixEncoder.java
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--- /dev/null
+++ b/src/main/java/org/traccar/protocol/TaipPrefixEncoder.java
@@ -0,0 +1,47 @@
+/*
+ * Copyright 2021 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 io.netty.buffer.ByteBuf;
+import io.netty.buffer.Unpooled;
+import io.netty.channel.ChannelHandler;
+import io.netty.channel.ChannelHandlerContext;
+import io.netty.handler.codec.MessageToMessageEncoder;
+import org.traccar.Context;
+import org.traccar.Protocol;
+import org.traccar.config.Keys;
+
+import java.util.List;
+
+@ChannelHandler.Sharable
+public class TaipPrefixEncoder extends MessageToMessageEncoder<ByteBuf> {
+
+ private final Protocol protocol;
+
+ public TaipPrefixEncoder(Protocol protocol) {
+ this.protocol = protocol;
+ }
+
+ @Override
+ protected void encode(ChannelHandlerContext ctx, ByteBuf msg, List<Object> out) throws Exception {
+ if (Context.getConfig().getBoolean(Keys.PROTOCOL_PREFIX.withPrefix(protocol.getName()))) {
+ Unpooled.wrappedBuffer(Unpooled.wrappedBuffer(new byte[] {0x20, 0x20, 0x06, 0x00}), msg);
+ } else {
+ out.add(msg);
+ }
+ }
+
+}