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MultilingualStringCollectionContext.java
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MultilingualStringCollectionContext.java
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/**
* Copyright (C) 2022 Czech Technical University in Prague
*
* This program is free software: you can redistribute it and/or modify it under
* the terms of the GNU General Public License as published by the Free Software
* Foundation, either version 3 of the License, or (at your option) any
* later version.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
* details. You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package cz.cvut.kbss.jsonld.deserialization;
import cz.cvut.kbss.jopa.model.MultilingualString;
import cz.cvut.kbss.jsonld.deserialization.util.LangString;
import java.util.Collection;
import java.util.Map;
class MultilingualStringCollectionContext<T extends Collection<MultilingualString>> extends InstanceContext<T> {
MultilingualStringCollectionContext(T instance, Map<String, Object> knownInstances) {
super(instance, knownInstances);
}
@Override
void addItem(Object item) {
assert item != null;
if (item instanceof LangString) {
final LangString value = (LangString) item;
final String language = value.getLanguage().orElse(null);
final MultilingualString element = getFirstAvailable(language);
element.set(language, value.getValue());
} else {
final MultilingualString element = getFirstAvailable(null);
element.set(item.toString());
}
}
private MultilingualString getFirstAvailable(String language) {
return instance.stream().filter(ms -> !ms.contains(language)).findFirst().orElseGet(() -> {
final MultilingualString newOne = new MultilingualString();
instance.add(newOne);
return newOne;
});
}
@Override
Class<?> getItemType() {
return MultilingualString.class;
}
}