| 1 | /* |
|---|---|
| 2 | * Copyright (C) 2007-2010 Júlio Vilmar Gesser. |
| 3 | * Copyright (C) 2011, 2013-2020 The JavaParser Team. |
| 4 | * |
| 5 | * This file is part of JavaParser. |
| 6 | * |
| 7 | * JavaParser can be used either under the terms of |
| 8 | * a) the GNU Lesser General Public License as published by |
| 9 | * the Free Software Foundation, either version 3 of the License, or |
| 10 | * (at your option) any later version. |
| 11 | * b) the terms of the Apache License |
| 12 | * |
| 13 | * You should have received a copy of both licenses in LICENCE.LGPL and |
| 14 | * LICENCE.APACHE. Please refer to those files for details. |
| 15 | * |
| 16 | * JavaParser is distributed in the hope that it will be useful, |
| 17 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 18 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 19 | * GNU Lesser General Public License for more details. |
| 20 | */ |
| 21 | |
| 22 | package com.github.javaparser.printer.lexicalpreservation.changes; |
| 23 | |
| 24 | import com.github.javaparser.ast.Node; |
| 25 | import com.github.javaparser.ast.observer.ObservableProperty; |
| 26 | import com.github.javaparser.printer.concretesyntaxmodel.CsmConditional; |
| 27 | import com.github.javaparser.utils.Utils; |
| 28 | |
| 29 | /** |
| 30 | * This represents a change that has happened to a specific Node. |
| 31 | */ |
| 32 | public interface Change { |
| 33 | |
| 34 | default boolean evaluate(CsmConditional csmConditional, Node node) { |
| 35 | switch (csmConditional.getCondition()) { |
| 36 | case FLAG: |
| 37 | return csmConditional.getProperties().stream().anyMatch(p -> (Boolean) getValue(p, node)); |
| 38 | case IS_NOT_EMPTY: |
| 39 | return !Utils.valueIsNullOrEmpty(getValue(csmConditional.getProperty(), node)); |
| 40 | case IS_EMPTY: |
| 41 | return Utils.valueIsNullOrEmpty(getValue(csmConditional.getProperty(), node)); |
| 42 | case IS_PRESENT: |
| 43 | return !Utils.valueIsNullOrEmptyStringOrOptional(getValue(csmConditional.getProperty(), node)); |
| 44 | default: |
| 45 | throw new UnsupportedOperationException("" + csmConditional.getProperty() + " " + csmConditional.getCondition()); |
| 46 | } |
| 47 | } |
| 48 | |
| 49 | Object getValue(ObservableProperty property, Node node); |
| 50 | } |
| 51 |