Method: ToLangStringConverter()

1: /*
2: * JOPA
3: * Copyright (C) 2024 Czech Technical University in Prague
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 3.0 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.
17: */
18: package cz.cvut.kbss.jopa.oom.converter;
19:
20: import cz.cvut.kbss.ontodriver.model.LangString;
21:
22: /**
23: * Converts language tagged and language-less values to {@link LangString} attributes.
24: * <p>
25: * This is for the rare case that {@link LangString} is used as attribute type instead of the recommended {@link
26: * cz.cvut.kbss.jopa.model.MultilingualString}.
27: */
28: public class ToLangStringConverter implements ConverterWrapper<LangString, Object> {
29: @Override
30: public Object convertToAxiomValue(LangString value) {
31: return value;
32: }
33:
34: @Override
35: public LangString convertToAttribute(Object value) {
36: assert value != null;
37: assert supportsAxiomValueType(value.getClass());
38: return value instanceof LangString ? (LangString) value : new LangString(value.toString());
39: }
40:
41: @Override
42: public boolean supportsAxiomValueType(Class<?> type) {
43: return String.class.equals(type) || LangString.class.isAssignableFrom(type);
44: }
45: }