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-rw-r--r--src/org/traccar/helper/ChannelBufferTools.java56
1 files changed, 56 insertions, 0 deletions
diff --git a/src/org/traccar/helper/ChannelBufferTools.java b/src/org/traccar/helper/ChannelBufferTools.java
new file mode 100644
index 000000000..6df1f7ba2
--- /dev/null
+++ b/src/org/traccar/helper/ChannelBufferTools.java
@@ -0,0 +1,56 @@
+/*
+ * Copyright 2012 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.helper;
+
+import org.jboss.netty.buffer.ChannelBuffer;
+
+/**
+ * ChannelBuffer helper methods
+ */
+public class ChannelBufferTools {
+
+ /**
+ * Find string in network buffer
+ */
+ public static Integer find(
+ ChannelBuffer buf,
+ Integer start,
+ Integer length,
+ String subString) {
+
+ int index = start;
+ boolean match;
+
+ for (; index < length; index++) {
+ match = true;
+
+ for (int i = 0; i < subString.length(); i++) {
+ char c = (char) buf.getByte(index + i);
+ if (c != subString.charAt(i)) {
+ match = false;
+ break;
+ }
+ }
+
+ if (match) {
+ return index;
+ }
+ }
+
+ return null;
+ }
+
+}