| 1 | //////////////////////////////////////////////////////////////////////////////// | |
| 2 | // checkstyle: Checks Java source code for adherence to a set of rules. | |
| 3 | // Copyright (C) 2001-2021 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.imports; | |
| 21 | ||
| 22 | /** | |
| 23 | * Base class for import rules. | |
| 24 | */ | |
| 25 | abstract class AbstractImportRule { | |
| 26 | ||
| 27 | /** Indicates whether to allow access or not. */ | |
| 28 | private final boolean allowed; | |
| 29 | ||
| 30 | /** Indicates if the rule only applies to this package. */ | |
| 31 | private final boolean localOnly; | |
| 32 | ||
| 33 | /** | |
| 34 | * Indicates if the name is to be interpreted | |
| 35 | * as a regular expression. | |
| 36 | */ | |
| 37 | private final boolean regExp; | |
| 38 | ||
| 39 | /** | |
| 40 | * Constructs an instance. | |
| 41 | * | |
| 42 | * @param allow whether to allow access. | |
| 43 | * @param localOnly whether the rule is to be applied locally only. | |
| 44 | * @param regExp whether the name is to be interpreted as a regular | |
| 45 | * expression. | |
| 46 | */ | |
| 47 | protected AbstractImportRule(final boolean allow, final boolean localOnly, | |
| 48 | final boolean regExp) { | |
| 49 | allowed = allow; | |
| 50 | this.localOnly = localOnly; | |
| 51 | this.regExp = regExp; | |
| 52 | } | |
| 53 | ||
| 54 | /** | |
| 55 | * Verifies whether a package name is used. | |
| 56 | * | |
| 57 | * @param forImport the import to check. | |
| 58 | * @return a result {@link AccessResult} indicating whether it can be used. | |
| 59 | */ | |
| 60 | public abstract AccessResult verifyImport(String forImport); | |
| 61 | ||
| 62 | /** | |
| 63 | * Return true if the guard is to only be applied locally or false. | |
| 64 | * | |
| 65 | * @return whether the guard is to only be applied locally. | |
| 66 | */ | |
| 67 | public boolean isLocalOnly() { | |
| 68 |
3
1. isLocalOnly : replaced boolean return with false for com/puppycrawl/tools/checkstyle/checks/imports/AbstractImportRule::isLocalOnly → KILLED 2. isLocalOnly : replaced boolean return with true for com/puppycrawl/tools/checkstyle/checks/imports/AbstractImportRule::isLocalOnly → KILLED 3. isLocalOnly : replaced return of integer sized value with (x == 0 ? 1 : 0) → KILLED |
return localOnly; |
| 69 | } | |
| 70 | ||
| 71 | /** | |
| 72 | * Return true if the name is to be interpreted as a regular expression or false. | |
| 73 | * | |
| 74 | * @return whether the name is to be interpreted as a regular expression. | |
| 75 | */ | |
| 76 | protected boolean isRegExp() { | |
| 77 |
3
1. isRegExp : replaced boolean return with false for com/puppycrawl/tools/checkstyle/checks/imports/AbstractImportRule::isRegExp → KILLED 2. isRegExp : replaced boolean return with true for com/puppycrawl/tools/checkstyle/checks/imports/AbstractImportRule::isRegExp → KILLED 3. isRegExp : replaced return of integer sized value with (x == 0 ? 1 : 0) → KILLED |
return regExp; |
| 78 | } | |
| 79 | ||
| 80 | /** | |
| 81 | * Returns the appropriate {@link AccessResult} based on whether there | |
| 82 | * was a match and if the rule is to allow access. | |
| 83 | * | |
| 84 | * @param matched indicates whether there was a match. | |
| 85 | * @return An appropriate {@link AccessResult}. | |
| 86 | */ | |
| 87 | protected AccessResult calculateResult(final boolean matched) { | |
| 88 | AccessResult result = AccessResult.UNKNOWN; | |
| 89 | ||
| 90 |
3
1. calculateResult : negated conditional → KILLED 2. calculateResult : removed conditional - replaced equality check with false → KILLED 3. calculateResult : removed conditional - replaced equality check with true → KILLED |
if (matched) { |
| 91 |
3
1. calculateResult : negated conditional → KILLED 2. calculateResult : removed conditional - replaced equality check with false → KILLED 3. calculateResult : removed conditional - replaced equality check with true → KILLED |
if (allowed) { |
| 92 | result = AccessResult.ALLOWED; | |
| 93 | } | |
| 94 | else { | |
| 95 | result = AccessResult.DISALLOWED; | |
| 96 | } | |
| 97 | } | |
| 98 | ||
| 99 |
1
1. calculateResult : mutated return of Object value for com/puppycrawl/tools/checkstyle/checks/imports/AbstractImportRule::calculateResult to ( if (x != null) null else throw new RuntimeException ) → KILLED |
return result; |
| 100 | } | |
| 101 | ||
| 102 | } | |
Mutations | ||
| 68 |
1.1 2.2 3.3 |
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| 77 |
1.1 2.2 3.3 |
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| 90 |
1.1 2.2 3.3 |
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| 91 |
1.1 2.2 3.3 |
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| 99 |
1.1 |