/*
 * Copyright 2020 Red Hat
 *
 * 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 io.apicurio.registry.types.provider;

import io.apicurio.registry.logging.Logged;
import io.apicurio.registry.types.ArtifactType;

import java.util.Map;
import java.util.concurrent.ConcurrentHashMap;
import javax.enterprise.context.ApplicationScoped;
import javax.enterprise.inject.Instance;
import javax.inject.Inject;

/**
 * @author Ales Justin
 */
@ApplicationScoped
@Logged
public class ArtifactTypeUtilProviderImpl implements ArtifactTypeUtilProviderFactory {
    private Map<ArtifactType, ArtifactTypeUtilProvider> map = new ConcurrentHashMap<>();

    @Inject
    Instance<ArtifactTypeUtilProvider> providers;

    public ArtifactTypeUtilProvider getArtifactTypeProvider(ArtifactType type) {
        return map.computeIfAbsent(type, t ->
            providers.stream()
                     .filter(a -> a.getArtifactType() == t)
                     .findFirst()
                     .orElseThrow(() -> new IllegalStateException("No such artifact type provider: " + t)));
    }
}
