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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;
}
}
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