/*
 * Copyright 2012-2016 the original author or authors.
 *
 * 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.springframework.boot.autoconfigure.cache;

import java.util.Collection;

import org.springframework.boot.autoconfigure.condition.ConditionalOnBean;
import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
import org.springframework.cache.Cache;
import org.springframework.cache.CacheManager;
import org.springframework.cache.support.SimpleCacheManager;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Conditional;
import org.springframework.context.annotation.Configuration;

/**
 * Generic cache configuration based on arbitrary {@link Cache} instances defined in the
 * context.
 *
 * @author Stephane Nicoll
 * @since 1.3.0
 */
@Configuration
@ConditionalOnBean(Cache.class)
@ConditionalOnMissingBean(CacheManager.class)
@Conditional(CacheCondition.class)
class GenericCacheConfiguration {

	private final CacheManagerCustomizers customizers;

	GenericCacheConfiguration(CacheManagerCustomizers customizers) {
		this.customizers = customizers;
	}

	@Bean
	public SimpleCacheManager cacheManager(Collection<Cache> caches) {
		SimpleCacheManager cacheManager = new SimpleCacheManager();
		cacheManager.setCaches(caches);
		return this.customizers.customize(cacheManager);
	}

}
