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/**
 * Copyright (c) 2000-present 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.
 */

package com.liferay.petra.nio;

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;

/**
 * @author Shuyang Zhou
 */
public class CharsetEncoderUtil {

	public static ByteBuffer encode(String charsetName, CharBuffer charBuffer) {
		try {
			return encode(charsetName, CodingErrorAction.REPLACE, charBuffer);
		}
		catch (CharacterCodingException cce) {
			throw new Error(cce);
		}
	}

	public static ByteBuffer encode(
			String charsetName, CodingErrorAction codingErrorAction,
			CharBuffer charBuffer)
		throws CharacterCodingException {

		CharsetEncoder charsetEncoder = getCharsetEncoder(
			charsetName, codingErrorAction);

		return charsetEncoder.encode(charBuffer);
	}

	public static CharsetEncoder getCharsetEncoder(String charsetName) {
		return getCharsetEncoder(charsetName, CodingErrorAction.REPLACE);
	}

	public static CharsetEncoder getCharsetEncoder(
		String charsetName, CodingErrorAction codingErrorAction) {

		Charset charset = Charset.forName(charsetName);

		CharsetEncoder charsetEncoder = charset.newEncoder();

		charsetEncoder.onMalformedInput(codingErrorAction);
		charsetEncoder.onUnmappableCharacter(codingErrorAction);

		return charsetEncoder;
	}

}