Plan/Plan/api/src/main/java/com/djrapitops/plan/delivery/web/resolver/FunctionalResolverWrapper.java

54 lines
1.9 KiB
Java

/*
* This file is part of Player Analytics (Plan).
*
* Plan is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License v3 as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Plan 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with Plan. If not, see <https://www.gnu.org/licenses/>.
*/
package com.djrapitops.plan.delivery.web.resolver;
import com.djrapitops.plan.delivery.web.resolver.request.Request;
import java.util.Optional;
import java.util.function.Function;
import java.util.function.Predicate;
/**
* Utility class for constructing a {@link Resolver} with Functional Interfaces.
*/
public class FunctionalResolverWrapper implements Resolver {
private final Function<Request, Optional<Response>> resolver;
private final Predicate<Request> accessCheck;
/**
* Default constructor.
*
* @param resolver Function that solves the {@link Request} into an Optional {@link Response}.
* @param accessCheck Predicate that checks if {@link Request} is allowed or if 403 Forbidden should be given.
*/
public FunctionalResolverWrapper(Function<Request, Optional<Response>> resolver, Predicate<Request> accessCheck) {
this.resolver = resolver;
this.accessCheck = accessCheck;
}
@Override
public boolean canAccess(Request request) {
return accessCheck.test(request);
}
@Override
public Optional<Response> resolve(Request request) {
return resolver.apply(request);
}
}