From c8028d9b85dd9a5cf6f75de6be64a7aadf56e9a6 Mon Sep 17 00:00:00 2001 From: Abyss777 Date: Wed, 6 Jun 2018 15:57:45 +0500 Subject: - Migrate X,Y,W protocols - Add BufferUtil helper class --- src/org/traccar/helper/BufferUtil.java | 39 ++++++++++++++++++++++++++++++++++ 1 file changed, 39 insertions(+) create mode 100644 src/org/traccar/helper/BufferUtil.java (limited to 'src/org/traccar/helper') diff --git a/src/org/traccar/helper/BufferUtil.java b/src/org/traccar/helper/BufferUtil.java new file mode 100644 index 000000000..b2768dbfd --- /dev/null +++ b/src/org/traccar/helper/BufferUtil.java @@ -0,0 +1,39 @@ +/* + * 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; + } + +} -- cgit v1.2.3