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authorAbyss777 <abyss@fox5.ru>2018-06-06 15:57:45 +0500
committerAbyss777 <abyss@fox5.ru>2018-06-06 16:07:08 +0500
commitc8028d9b85dd9a5cf6f75de6be64a7aadf56e9a6 (patch)
treee9c8e8e14d5e8db8271475fdd0d511adc320aee6 /src/org/traccar/helper/BufferUtil.java
parent681b8f42633d7c6741e6fbac4308ba25c4aff9fa (diff)
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- Migrate X,Y,W protocols
- Add BufferUtil helper class
Diffstat (limited to 'src/org/traccar/helper/BufferUtil.java')
-rw-r--r--src/org/traccar/helper/BufferUtil.java39
1 files changed, 39 insertions, 0 deletions
diff --git a/src/org/traccar/helper/BufferUtil.java b/src/org/traccar/helper/BufferUtil.java
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+++ b/src/org/traccar/helper/BufferUtil.java
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+/*
+ * Copyright 2018 Anton Tananaev (anton@traccar.org)
+ * Copyright 2018 Andrey Kunitsyn (andrey@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.helper;
+
+import java.nio.charset.StandardCharsets;
+
+import io.netty.buffer.ByteBuf;
+import io.netty.buffer.ByteBufUtil;
+import io.netty.buffer.Unpooled;
+
+public class BufferUtil {
+
+ public static int indexOf(String needle, ByteBuf haystack) {
+ return ByteBufUtil.indexOf(
+ Unpooled.wrappedBuffer(needle.getBytes(StandardCharsets.US_ASCII)), haystack);
+ }
+
+ public static int indexOf(String needle, ByteBuf haystack, int startIndex, int endIndex) {
+ int index = ByteBufUtil.indexOf(
+ Unpooled.wrappedBuffer(needle.getBytes(StandardCharsets.US_ASCII)),
+ Unpooled.wrappedBuffer(haystack.array(), startIndex, endIndex - startIndex));
+ return (index != -1) ? (startIndex + index) : -1;
+ }
+
+}