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 operator new.
027 * @author o_sukhodolsky
028 * @author Ilja Dubinin
029 */
030public class NewHandler 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 NewHandler(IndentationCheck indentCheck,
041                      DetailAST ast,
042                      AbstractExpressionHandler parent) {
043        super(indentCheck, "operator new", ast, parent);
044    }
045
046    @Override
047    public void checkIndentation() {
048        final DetailAST type = getMainAst().getFirstChild();
049        if (type != null) {
050            checkExpressionSubtree(type, getIndent(), false, false);
051        }
052
053        final DetailAST lparen = getMainAst().findFirstToken(TokenTypes.LPAREN);
054        checkLeftParen(lparen);
055    }
056
057    @Override
058    protected IndentLevel getIndentImpl() {
059        final IndentLevel result;
060        // if our expression isn't first on the line, just use the start
061        // of the line
062        if (getLineStart(getMainAst()) == getMainAst().getColumnNo()) {
063            result = super.getIndentImpl();
064        }
065        else {
066            result = new IndentLevel(getLineStart(getMainAst()));
067        }
068        return result;
069    }
070
071    @Override
072    protected boolean shouldIncreaseIndent() {
073        return false;
074    }
075
076}