com.liferay.source.formatter.checks.JavaSystemExceptionCheck Maven / Gradle / Ivy
/**
* 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.source.formatter.checks;
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 JavaSystemExceptionCheck extends BaseFileCheck {
@Override
protected String doProcess(
String fileName, String absolutePath, String content) {
if (content.contains("SystemException")) {
content = _fixSystemExceptions(content);
}
return content;
}
private String _fixSystemExceptions(String content) {
Matcher matcher = _throwsSystemExceptionPattern.matcher(content);
if (!matcher.find()) {
return content;
}
String match = matcher.group();
String replacement = null;
String afterException = matcher.group(3);
String beforeException = matcher.group(2);
if (Validator.isNull(beforeException) &&
Validator.isNull(afterException)) {
replacement = matcher.group(4);
String beforeThrows = matcher.group(1);
if (Validator.isNotNull(StringUtil.trim(beforeThrows))) {
replacement = beforeThrows + replacement;
}
}
else if (Validator.isNull(beforeException)) {
replacement = StringUtil.replaceFirst(
match, "SystemException, ", StringPool.BLANK);
}
else {
replacement = StringUtil.replaceFirst(
match, ", SystemException", StringPool.BLANK);
}
if (match.equals(replacement)) {
return content;
}
return _fixSystemExceptions(
StringUtil.replaceFirst(content, match, replacement));
}
private static final Pattern _throwsSystemExceptionPattern =
Pattern.compile("(\n\t+.*)throws(.*) SystemException(.*)( \\{|;\n)");
}