001////////////////////////////////////////////////////////////////////////////////
002// checkstyle: Checks Java source code for adherence to a set of rules.
003// Copyright (C) 2001-2018 the original author or authors.
004//
005// This library is free software; you can redistribute it and/or
006// modify it under the terms of the GNU Lesser General Public
007// License as published by the Free Software Foundation; either
008// version 2.1 of the License, or (at your option) any later version.
009//
010// This library is distributed in the hope that it will be useful,
011// but WITHOUT ANY WARRANTY; without even the implied warranty of
012// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
013// Lesser General Public License for more details.
014//
015// You should have received a copy of the GNU Lesser General Public
016// License along with this library; if not, write to the Free Software
017// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
018////////////////////////////////////////////////////////////////////////////////
019
020package com.puppycrawl.tools.checkstyle.checks.indentation;
021
022import com.puppycrawl.tools.checkstyle.api.DetailAST;
023import com.puppycrawl.tools.checkstyle.api.TokenTypes;
024
025/**
026 * Handler for import statements.
027 *
028 * @author jrichard
029 */
030public class ImportHandler extends AbstractExpressionHandler {
031
032    /**
033     * Construct an instance of this handler with the given indentation check,
034     * abstract syntax tree, and parent handler.
035     *
036     * @param indentCheck   the indentation check
037     * @param ast           the abstract syntax tree
038     * @param parent        the parent handler
039     */
040    public ImportHandler(IndentationCheck indentCheck,
041        DetailAST ast, AbstractExpressionHandler parent) {
042        super(indentCheck, "import", ast, parent);
043    }
044
045    @Override
046    public void checkIndentation() {
047        final int columnNo = expandedTabsColumnNo(getMainAst());
048
049        if (!getIndent().isAcceptable(columnNo) && isOnStartOfLine(getMainAst())) {
050            logError(getMainAst(), "", columnNo);
051        }
052
053        final DetailAST semi = getMainAst().findFirstToken(TokenTypes.SEMI);
054
055        checkWrappingIndentation(getMainAst(), semi);
056    }
057
058}