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Liferay Source Formatter

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/**
 * SPDX-FileCopyrightText: (c) 2000 Liferay, Inc. https://liferay.com
 * SPDX-License-Identifier: LGPL-2.1-or-later OR LicenseRef-Liferay-DXP-EULA-2.0.0-2023-06
 */

package com.liferay.source.formatter.check;

import com.liferay.petra.string.StringPool;
import com.liferay.portal.kernel.util.StringUtil;

import java.io.IOException;

import java.util.regex.Matcher;
import java.util.regex.Pattern;

/**
 * @author Alan Huang
 */
public class LDIFWhitespaceCheck extends WhitespaceCheck {

	@Override
	protected String doProcess(
			String fileName, String absolutePath, String content)
		throws IOException {

		Matcher matcher = _attributePattern.matcher(content);

		if (matcher.find()) {
			return StringUtil.insert(
				content, StringPool.SPACE, matcher.end() - 1);
		}

		return content;
	}

	private static final Pattern _attributePattern = Pattern.compile(
		"(?<=(\\A|\n)).+?:[^ ]");

}