/*
 * The MIT License (MIT)
 *
 * Copyright (c) 2014-2022 abel533@gmail.com
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */

package com.github.pagehelper.cache;

import com.github.pagehelper.PageException;
import com.github.pagehelper.PageProperties;
import com.github.pagehelper.util.StringUtil;

import java.lang.reflect.Constructor;
import java.util.Properties;

/**
 * CacheFactory
 *
 * @author liuzh
 */
public abstract class CacheFactory {

    /**
     * 创建 SQL 缓存
     *
     * @param sqlCacheClass
     * @return
     */
    public static <K, V> Cache<K, V> createCache(String sqlCacheClass, String prefix, Properties properties) {
        if (StringUtil.isEmpty(sqlCacheClass)) {
            try {
                Class.forName("com.google.common.cache.Cache");
                return new GuavaCache<K, V>(properties, prefix);
            } catch (Throwable t) {
                return new SimpleCache<K, V>(properties, prefix);
            }
        } else {
            try {
                Class<? extends Cache> clazz = (Class<? extends Cache>) Class.forName(sqlCacheClass);
                try {
                    Constructor<? extends Cache> constructor = clazz.getConstructor(Properties.class, String.class);
                    return constructor.newInstance(properties, prefix);
                } catch (Exception e) {
                    Cache cache = clazz.newInstance();
                    if (cache instanceof PageProperties) {
                        ((PageProperties) cache).setProperties(properties);
                    }
                    return cache;
                }
            } catch (Throwable t) {
                throw new PageException("Created Sql Cache [" + sqlCacheClass + "] Error", t);
            }
        }
    }

}
