co.actioniq.ivy.s3.Optionals Maven / Gradle / Ivy

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/*
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *  http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 */
package co.actioniq.ivy.s3;

import java.util.Optional;
import java.util.function.Supplier;

class Optionals {
  private Optionals() {}

  @SafeVarargs
  static  Optional first(Supplier>... suppliers) {
    for (Supplier> supplier : suppliers) {
      Optional optional = supplier.get();
      if (optional.isPresent()) {
        return optional;
      }
    }
    return Optional.empty();
  }

  @SafeVarargs
  static  Optional first(Optional... optionals) {
    for (Optional optional : optionals) {
      if (optional.isPresent()) {
        return optional;
      }
    }
    return Optional.empty();
  }
}