////////////////////////////////////////////////////////////////////////////////
// checkstyle: Checks Java source code for adherence to a set of rules.
// Copyright (C) 2001-2017 the original author or authors.
//
// 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.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
////////////////////////////////////////////////////////////////////////////////
package com.puppycrawl.tools.checkstyle.checks.indentation;
import com.puppycrawl.tools.checkstyle.api.DetailAST;
import com.puppycrawl.tools.checkstyle.api.TokenTypes;
/**
* Handler for else blocks.
*
* @author jrichard
*/
public class ElseHandler extends BlockParentHandler {
/**
* Construct an instance of this handler with the given indentation check,
* abstract syntax tree, and parent handler.
*
* @param indentCheck the indentation check
* @param ast the abstract syntax tree
* @param parent the parent handler
*/
public ElseHandler(IndentationCheck indentCheck,
DetailAST ast, AbstractExpressionHandler parent) {
super(indentCheck, "else", ast, parent);
}
@Override
protected void checkTopLevelToken() {
// check if else is nested with rcurly of if:
//
// } else ...
final DetailAST ifAST = getMainAst().getParent();
final DetailAST slist = ifAST.findFirstToken(TokenTypes.SLIST);
if (slist == null) {
super.checkTopLevelToken();
}
else {
final DetailAST lcurly = slist.getLastChild();
// indentation checked as part of LITERAL IF check
if (lcurly.getLineNo() != getMainAst().getLineNo()) {
super.checkTopLevelToken();
}
}
}
@Override
protected DetailAST getNonListChild() {
return getMainAst().getFirstChild();
}
}