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authornyash <nyashh@gmail.com>2016-09-18 14:39:39 +0200
committerGitHub <noreply@github.com>2016-09-18 14:39:39 +0200
commitcff3579737ae906c34670f9bf44f62473c7a7466 (patch)
tree7a15ba7b12902d14a5ffc7352df7f6cf158e134b /src/org/traccar/protocol
parentd8ba1eccc5ee74bc3bf90724c726de71233a0421 (diff)
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Add jpkorjar frame decoder
Diffstat (limited to 'src/org/traccar/protocol')
-rw-r--r--src/org/traccar/protocol/JpKorjarFrameDecoder.java46
1 files changed, 46 insertions, 0 deletions
diff --git a/src/org/traccar/protocol/JpKorjarFrameDecoder.java b/src/org/traccar/protocol/JpKorjarFrameDecoder.java
new file mode 100644
index 000000000..0b32a7f0b
--- /dev/null
+++ b/src/org/traccar/protocol/JpKorjarFrameDecoder.java
@@ -0,0 +1,46 @@
+/*
+ * Copyright 2016 nyashh (nyashh@gmail.com)
+ *
+ * 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.channel.Channel;
+import org.jboss.netty.channel.ChannelHandlerContext;
+import org.jboss.netty.handler.codec.frame.FrameDecoder;
+
+public class JpKorjarFrameDecoder extends FrameDecoder {
+
+ @Override
+ protected Object decode(
+ ChannelHandlerContext ctx, Channel channel, ChannelBuffer buf) throws Exception {
+
+ if (buf.readableBytes() < 80) {
+ return null;
+ }
+
+ int spaceIndex = buf.indexOf(buf.readerIndex(), buf.writerIndex(), (byte) ' ');
+ if (spaceIndex == -1) {
+ return null;
+ }
+
+ int endIndex = buf.indexOf(spaceIndex, buf.writerIndex(), (byte) ',');
+ if (endIndex == -1) {
+ return null;
+ }
+
+ return buf.readBytes(endIndex + 1);
+ }
+
+}