Here you can find the source of encode(String charsetName, char[] chars, int offset, int length)
public static ByteBuffer encode(String charsetName, char[] chars, int offset, int length)
//package com.java2s; /**//from ww w . j ava 2 s.c o m * Copyright (c) 2000-2012 Liferay, Inc. All rights reserved. * * This library is free software; you can redistribute it and/or modify it under * the terms of the GNU Lesser General Public License as published by the Free * Software Foundation; either version 2.1 of the License, or (at your option) * any later version. * * This library is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more * details. */ import java.nio.ByteBuffer; import java.nio.CharBuffer; import java.nio.charset.CharacterCodingException; import java.nio.charset.Charset; import java.nio.charset.CharsetEncoder; import java.nio.charset.CodingErrorAction; public class Main { public static ByteBuffer encode(String charsetName, char[] chars, int offset, int length) { return encode(charsetName, CharBuffer.wrap(chars, offset, length)); } public static ByteBuffer encode(String charsetName, CharBuffer charBuffer) { try { CharsetEncoder charsetEncoder = getCharsetEncoder(charsetName); return charsetEncoder.encode(charBuffer); } catch (CharacterCodingException cce) { throw new Error(cce); } } public static ByteBuffer encode(String charsetName, String string) { return encode(charsetName, CharBuffer.wrap(string)); } public static CharsetEncoder getCharsetEncoder(String charsetName) { Charset charset = Charset.forName(charsetName); CharsetEncoder charsetEncoder = charset.newEncoder(); charsetEncoder.onMalformedInput(CodingErrorAction.REPLACE); charsetEncoder.onUnmappableCharacter(CodingErrorAction.REPLACE); return charsetEncoder; } }