| 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.ast.nodeTypes; |
| 23 | |
| 24 | import com.github.javaparser.ast.Node; |
| 25 | import com.github.javaparser.ast.expr.SimpleName; |
| 26 | |
| 27 | import java.util.Optional; |
| 28 | |
| 29 | import static com.github.javaparser.utils.Utils.assertNonEmpty; |
| 30 | |
| 31 | /** |
| 32 | * A node that has an optional label. |
| 33 | */ |
| 34 | public interface NodeWithOptionalLabel<T extends Node> { |
| 35 | Optional<SimpleName> getLabel(); |
| 36 | |
| 37 | T setLabel(SimpleName label); |
| 38 | |
| 39 | T removeLabel(); |
| 40 | |
| 41 | default T setLabel(String label) { |
| 42 | assertNonEmpty(label); |
| 43 | return setLabel(new SimpleName(label)); |
| 44 | } |
| 45 | |
| 46 | default Optional<String> getLabelAsString() { |
| 47 | return getLabel().flatMap(l -> Optional.of(l.getIdentifier())); |
| 48 | } |
| 49 | } |
| 50 |
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