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Diffstat (limited to 'src/org/traccar/protocol/GranitFrameDecoder.java')
-rw-r--r--src/org/traccar/protocol/GranitFrameDecoder.java40
1 files changed, 40 insertions, 0 deletions
diff --git a/src/org/traccar/protocol/GranitFrameDecoder.java b/src/org/traccar/protocol/GranitFrameDecoder.java
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+++ b/src/org/traccar/protocol/GranitFrameDecoder.java
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+/*
+ * Copyright 2016 Anton Tananaev (anton.tananaev@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;
+import org.traccar.helper.StringFinder;
+
+public class GranitFrameDecoder extends FrameDecoder {
+
+ @Override
+ protected Object decode(
+ ChannelHandlerContext ctx, Channel channel, ChannelBuffer buf) throws Exception {
+
+ int index = buf.indexOf(buf.readerIndex(), buf.writerIndex(), new StringFinder("\r\n"));
+ if (index != -1) {
+ ChannelBuffer frame = buf.readBytes(index - buf.readerIndex());
+ buf.skipBytes(2);
+ return frame;
+ }
+
+ return null;
+ }
+
+}