34 lines
1.1 KiB
Java
34 lines
1.1 KiB
Java
/*
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* mxisd - Matrix Identity Server Daemon
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* Copyright (C) 2018 Kamax Sarl
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*
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* https://www.kamax.io/
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as
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* published by the Free Software Foundation, either version 3 of the
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* License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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package io.kamax.mxisd.util;
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import java.util.Optional;
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import java.util.function.Supplier;
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import java.util.stream.Stream;
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public class OptionalUtil {
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public static <T> Optional<T> findFirst(Supplier<Optional<T>>... suppliers) {
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return Stream.of(suppliers).map(Supplier::get).filter(Optional::isPresent).map(Optional::get).findFirst();
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}
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}
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