Here you can find the source of decodeUtf8(ByteBuffer bytes)
public final static String decodeUtf8(ByteBuffer bytes) throws CharacterCodingException
//package com.java2s; /**/* w w w . j a va 2 s .co m*/ * Copyright 2014-2016 Emmanuel Keller / QWAZR * <p> * 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 * <p> * http://www.apache.org/licenses/LICENSE-2.0 * <p> * 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. */ import java.nio.ByteBuffer; import java.nio.charset.CharacterCodingException; import java.nio.charset.Charset; public class Main { public final static Charset CharsetUTF8 = Charset.forName("UTF-8"); public final static String decodeUtf8(byte[] bytes) { if (bytes == null) return null; return new String(bytes, CharsetUTF8); } public final static String decodeUtf8(ByteBuffer bytes) throws CharacterCodingException { if (bytes == null) return null; return new String(CharsetUTF8.newDecoder().decode(bytes).array()); } }