001/////////////////////////////////////////////////////////////////////////////////////////////// 002// checkstyle: Checks Java source code and other text files for adherence to a set of rules. 003// Copyright (C) 2001-2024 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 inner classes. 027 * 028 */ 029public class ObjectBlockHandler extends BlockParentHandler { 030 031 /** 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 ObjectBlockHandler(IndentationCheck indentCheck, 040 DetailAST ast, AbstractExpressionHandler parent) { 041 super(indentCheck, "object def", ast, parent); 042 } 043 044 @Override 045 protected DetailAST getTopLevelAst() { 046 return null; 047 } 048 049 @Override 050 protected DetailAST getLeftCurly() { 051 return getMainAst().findFirstToken(TokenTypes.LCURLY); 052 } 053 054 @Override 055 protected DetailAST getRightCurly() { 056 return getMainAst().findFirstToken(TokenTypes.RCURLY); 057 } 058 059 @Override 060 protected DetailAST getListChild() { 061 return getMainAst(); 062 } 063 064 @Override 065 protected IndentLevel getIndentImpl() { 066 final DetailAST parentAST = getMainAst().getParent(); 067 IndentLevel indent = getParent().getIndent(); 068 if (parentAST.getType() == TokenTypes.LITERAL_NEW) { 069 indent = IndentLevel.addAcceptable(indent, super.getIndentImpl()); 070 } 071 else if (parentAST.getType() == TokenTypes.ENUM_CONSTANT_DEF) { 072 indent = super.getIndentImpl(); 073 } 074 return indent; 075 } 076 077 @Override 078 public void checkIndentation() { 079 // if we have a class or interface as a parent, don't do anything, 080 // as this is checked by class def; so 081 // only do this if we have a new for a parent (anonymous inner 082 // class) 083 final DetailAST parentAST = getMainAst().getParent(); 084 if (parentAST.getType() == TokenTypes.LITERAL_NEW) { 085 super.checkIndentation(); 086 } 087 } 088 089 @Override 090 protected IndentLevel curlyIndent() { 091 final IndentLevel indent = super.curlyIndent(); 092 return IndentLevel.addAcceptable(indent, indent.getFirstIndentLevel() 093 + getLineWrappingIndentation()); 094 } 095 096 /** 097 * A shortcut for {@code IndentationCheck} property. 098 * 099 * @return value of lineWrappingIndentation property 100 * of {@code IndentationCheck} 101 */ 102 private int getLineWrappingIndentation() { 103 return getIndentCheck().getLineWrappingIndentation(); 104 } 105 106}