001////////////////////////////////////////////////////////////////////////////////
002// checkstyle: Checks Java source code for adherence to a set of rules.
003// Copyright (C) 2001-2020 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 */
028public class NewHandler extends AbstractExpressionHandler {
029
030    /**
031     * Construct an instance of this handler with the given indentation check,
032     * abstract syntax tree, and parent handler.
033     *
034     * @param indentCheck   the indentation check
035     * @param ast           the abstract syntax tree
036     * @param parent        the parent handler
037     */
038    public NewHandler(IndentationCheck indentCheck,
039                      DetailAST ast,
040                      AbstractExpressionHandler parent) {
041        super(indentCheck, "operator new", ast, parent);
042    }
043
044    @Override
045    public void checkIndentation() {
046        final DetailAST type = getMainAst().getFirstChild();
047        if (type != null) {
048            checkExpressionSubtree(type, getIndent(), false, false);
049        }
050
051        final DetailAST lparen = getMainAst().findFirstToken(TokenTypes.LPAREN);
052        checkLeftParen(lparen);
053    }
054
055    @Override
056    protected IndentLevel getIndentImpl() {
057        final IndentLevel result;
058        // if our expression isn't first on the line, just use the start
059        // of the line
060        if (getLineStart(getMainAst()) == getMainAst().getColumnNo()) {
061            result = super.getIndentImpl();
062        }
063        else {
064            result = new IndentLevel(getLineStart(getMainAst()));
065        }
066        return result;
067    }
068
069    @Override
070    protected boolean shouldIncreaseIndent() {
071        return false;
072    }
073
074}