org.apache.hadoop.util.UTF8ByteArrayUtils Maven / Gradle / Ivy
/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.apache.hadoop.util;
import org.apache.hadoop.classification.InterfaceAudience;
import org.apache.hadoop.classification.InterfaceStability;
@InterfaceAudience.Private
@InterfaceStability.Unstable
public class UTF8ByteArrayUtils {
/**
* Find the first occurrence of the given byte b in a UTF-8 encoded string
* @param utf a byte array containing a UTF-8 encoded string
* @param start starting offset
* @param end ending position
* @param b the byte to find
* @return position that first byte occurs, otherwise -1
*/
public static int findByte(byte [] utf, int start, int end, byte b) {
for(int i=start; i