1 ////////////////////////////////////////////////////////////////////////////////
2 // checkstyle: Checks Java source code for adherence to a set of rules.
3 // Copyright (C) 2001-2019 the original author or authors.
4 //
5 // This library is free software; you can redistribute it and/or
6 // modify it under the terms of the GNU Lesser General Public
7 // License as published by the Free Software Foundation; either
8 // version 2.1 of the License, or (at your option) any later version.
9 //
10 // This library is distributed in the hope that it will be useful,
11 // but WITHOUT ANY WARRANTY; without even the implied warranty of
12 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 // Lesser General Public License for more details.
14 //
15 // You should have received a copy of the GNU Lesser General Public
16 // License along with this library; if not, write to the Free Software
17 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
18 ////////////////////////////////////////////////////////////////////////////////
19
20 package com.puppycrawl.tools.checkstyle.checks.indentation;
21
22 import com.puppycrawl.tools.checkstyle.api.DetailAST;
23 import com.puppycrawl.tools.checkstyle.api.TokenTypes;
24
25 /**
26 * Handler for operator new.
27 */
28 public class NewHandler extends AbstractExpressionHandler {
29
30 /**
31 * Construct an instance of this handler with the given indentation check,
32 * abstract syntax tree, and parent handler.
33 *
34 * @param indentCheck the indentation check
35 * @param ast the abstract syntax tree
36 * @param parent the parent handler
37 */
38 public NewHandler(IndentationCheck indentCheck,
39 DetailAST ast,
40 AbstractExpressionHandler parent) {
41 super(indentCheck, "operator new", ast, parent);
42 }
43
44 @Override
45 public void checkIndentation() {
46 final DetailAST type = getMainAst().getFirstChild();
47 if (type != null) {
48 checkExpressionSubtree(type, getIndent(), false, false);
49 }
50
51 final DetailAST lparen = getMainAst().findFirstToken(TokenTypes.LPAREN);
52 checkLeftParen(lparen);
53 }
54
55 @Override
56 protected IndentLevel getIndentImpl() {
57 final IndentLevel result;
58 // if our expression isn't first on the line, just use the start
59 // of the line
60 if (getLineStart(getMainAst()) == getMainAst().getColumnNo()) {
61 result = super.getIndentImpl();
62 }
63 else {
64 result = new IndentLevel(getLineStart(getMainAst()));
65 }
66 return result;
67 }
68
69 @Override
70 protected boolean shouldIncreaseIndent() {
71 return false;
72 }
73
74 }