/*
 * Copyright 2016-2018 Red Hat, Inc. and/or its affiliates
 * and other contributors as indicated by the @author tags.
 *
 * 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 org.jboss.galleon.runtime;

import java.util.Collections;
import java.util.List;

import org.jboss.galleon.util.CollectionUtils;

/**
 *
 * @author Alexey Loubyansky
 */
abstract class CapabilityProvider {

    private List<CapabilityProviders> capProviders = Collections.emptyList();

    void addCapabilityProviders(CapabilityProviders providers) {
        capProviders = CollectionUtils.add(capProviders, providers);
    }

    void provided(ConfigFeatureBranch branch) {
        if(capProviders.isEmpty()) {
            return;
        }
        for(CapabilityProviders providers : capProviders) {
            providers.provided(branch);
        }
    }
}
