com.liferay.source.formatter.check.FTLStringRelationalOperatorCheck 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.petra.string.StringPool;
import com.liferay.portal.kernel.util.StringUtil;
import com.liferay.portal.kernel.util.Validator;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
/**
* @author Hugo Huijser
*/
public class FTLStringRelationalOperatorCheck extends BaseFileCheck {
@Override
protected String doProcess(
String fileName, String absolutePath, String content) {
return _formatStringRelationalOperations(content);
}
private String _formatStringRelationalOperations(String content) {
Matcher matcher = _stringRelationalOperationPattern.matcher(content);
if (!matcher.find()) {
return content;
}
String match = matcher.group();
String firstChar = matcher.group(1);
String lastChar = matcher.group(5);
if (!firstChar.equals(StringPool.OPEN_PARENTHESIS) ||
!lastChar.equals(StringPool.CLOSE_PARENTHESIS)) {
match = content.substring(matcher.end(1), matcher.start(5));
}
String operator = matcher.group(3);
String quotedString = matcher.group(4);
String variableName = matcher.group(2);
String replacement = null;
if (Validator.isNull(quotedString)) {
if (operator.equals("==")) {
replacement = "validator.isNull(" + variableName + ")";
}
else {
replacement = "validator.isNotNull(" + variableName + ")";
}
}
else {
StringBundler sb = new StringBundler(6);
if (operator.equals("!=")) {
sb.append(StringPool.EXCLAMATION);
}
sb.append("stringUtil.equals(");
sb.append(variableName);
sb.append(", \"");
sb.append(quotedString);
sb.append("\")");
replacement = sb.toString();
}
return StringUtil.replaceFirst(
content, match, replacement, matcher.start());
}
private static final Pattern _stringRelationalOperationPattern =
Pattern.compile("(\\W)([\\w.]+) ([!=]=) \"(\\w*)\"(.)");
}