com.liferay.source.formatter.check.EmptyCollectionCheck Maven / Gradle / Ivy
/**
* 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.StringBundler;
import com.liferay.portal.kernel.util.StringUtil;
import com.liferay.portal.kernel.util.TextFormatter;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
/**
* @author Hugo Huijser
*/
public class EmptyCollectionCheck extends BaseFileCheck {
@Override
protected String doProcess(
String fileName, String absolutePath, String content) {
Matcher matcher = _emptyCollectionPattern.matcher(content);
if (!matcher.find()) {
return content;
}
String replacement = StringBundler.concat(
"Collections.empty",
TextFormatter.format(matcher.group(1), TextFormatter.J), "()");
return StringUtil.replace(content, matcher.group(), replacement);
}
private static final Pattern _emptyCollectionPattern = Pattern.compile(
"Collections\\.EMPTY_(LIST|MAP|SET)");
}