001////////////////////////////////////////////////////////////////////////////////
002// checkstyle: Checks Java source code for adherence to a set of rules.
003// Copyright (C) 2001-2017 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     * Construct an instance of this handler with the given indentation check,
033     * abstract syntax tree, and parent handler.
034     *
035     * @param indentCheck   the indentation check
036     * @param ast           the abstract syntax tree
037     * @param parent        the parent handler
038     */
039    public NewHandler(IndentationCheck indentCheck,
040                      DetailAST ast,
041                      AbstractExpressionHandler parent) {
042        super(indentCheck, "operator new", ast, parent);
043    }
044
045    @Override
046    public void checkIndentation() {
047        final DetailAST type = getMainAst().getFirstChild();
048        if (type != null) {
049            checkExpressionSubtree(type, getIndent(), false, false);
050        }
051
052        final DetailAST lparen = getMainAst().findFirstToken(TokenTypes.LPAREN);
053        checkLeftParen(lparen);
054    }
055
056    @Override
057    protected IndentLevel getIndentImpl() {
058        final IndentLevel result;
059        // if our expression isn't first on the line, just use the start
060        // of the line
061        if (getLineStart(getMainAst()) == getMainAst().getColumnNo()) {
062            result = super.getIndentImpl();
063        }
064        else {
065            result = new IndentLevel(getLineStart(getMainAst()));
066        }
067        return result;
068    }
069
070    @Override
071    protected boolean shouldIncreaseIndent() {
072        return false;
073    }
074}