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/*
 * Copyright © 2013-2021, The SeedStack authors 
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 */
package org.seedstack.feign.internal;

import feign.RequestLine;
import org.seedstack.feign.FeignApi;
import org.seedstack.shed.reflect.AnnotationPredicates;
import org.seedstack.shed.reflect.ClassPredicates;

import java.util.function.Predicate;

/**
 * The predicate matches classes that are Interfaces and have methods annotated with @{@link RequestLine}
 *
 * @author [email protected]
 */
class FeignInterfacePredicate implements Predicate> {
    static final FeignInterfacePredicate INSTANCE = new FeignInterfacePredicate();

    private FeignInterfacePredicate() {
        // no external instantiation
    }

    @Override
    public boolean test(Class candidate) {
        return ClassPredicates
                .classIsInterface()
                .and(AnnotationPredicates.elementAnnotatedWith(FeignApi.class, false))
                .and(AnnotationPredicates.atLeastOneMethodAnnotatedWith(RequestLine.class, false))
                .test(candidate);
    }
}