com.liferay.source.formatter.checkstyle.checks.StringCastCheck 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.checkstyle.checks;
import com.puppycrawl.tools.checkstyle.api.DetailAST;
import com.puppycrawl.tools.checkstyle.api.TokenTypes;
import java.util.List;
/**
* @author Hugo Huijser
*/
public class StringCastCheck extends BaseCheck {
@Override
public int[] getDefaultTokens() {
return new int[] {TokenTypes.CTOR_DEF, TokenTypes.METHOD_DEF};
}
@Override
protected void doVisitToken(DetailAST detailAST) {
List methodCallDetailASTList = getMethodCalls(
detailAST, "toString");
for (DetailAST methodCallDetailAST : methodCallDetailASTList) {
DetailAST dotDetailAST = methodCallDetailAST.findFirstToken(
TokenTypes.DOT);
List nameDetailASTList = getAllChildTokens(
dotDetailAST, false, TokenTypes.IDENT);
DetailAST variableNameDetailAST = nameDetailASTList.get(0);
String variableTypeName = getVariableTypeName(
methodCallDetailAST, variableNameDetailAST.getText(), false);
if (variableTypeName.equals("String")) {
log(methodCallDetailAST, _MSG_UNNEEDED_STRING_CAST);
}
}
}
private static final String _MSG_UNNEEDED_STRING_CAST =
"string.cast.unneeded";
}