/*
 * Copyright 2019 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.keycloak.platform;

import java.util.NoSuchElementException;
import java.util.ServiceLoader;

public class Platform {

    private static PlatformProvider INSTANCE;

    public static PlatformProvider getPlatform() {

        if (INSTANCE == null) {
            ServiceLoader<PlatformProvider> loader = ServiceLoader.load(PlatformProvider.class, Platform.class.getClassLoader());
            try {
                INSTANCE = loader.iterator().next();
            } catch (NoSuchElementException e) {
                throw new RuntimeException("No PlatformProvider found");
            }
        }

        return INSTANCE;

    }

}
