com.liferay.source.formatter.checks.SubstringCheck 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.tools.ToolsUtil;
import com.liferay.source.formatter.checks.util.JavaSourceUtil;
import java.util.List;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
/**
* @author Hugo Huijser
*/
public class SubstringCheck extends BaseFileCheck {
@Override
public boolean isLiferaySourceCheck() {
return true;
}
@Override
protected String doProcess(
String fileName, String absolutePath, String content) {
Matcher matcher = _substringPattern.matcher(content);
while (matcher.find()) {
if (ToolsUtil.isInsideQuotes(content, matcher.start(1))) {
continue;
}
String match = content.substring(matcher.start(1));
List parameterList = JavaSourceUtil.getParameterList(match);
if (parameterList.size() != 2) {
continue;
}
String secondParameter = StringUtil.trim(parameterList.get(1));
String variableName = matcher.group(1);
if (secondParameter.equals(variableName + ".length()")) {
String replacement = match.replaceFirst(
",\\s*" + variableName + "\\.length\\(\\)",
StringPool.BLANK);
return StringUtil.replaceLast(content, match, replacement);
}
}
return content;
}
private static final Pattern _substringPattern = Pattern.compile(
"\\W([a-z][\\w]*)\\.substring\\(");
}