EhCachePlugin.java

/**
 * Copyright (c) 2011-2013, James Zhan 詹波 (jfinal@126.com).
 *
 * 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 net.tooan.ynpay.third.jfinal.plugin.ehcache;

import net.sf.ehcache.CacheManager;
import net.sf.ehcache.config.Configuration;
import net.tooan.ynpay.third.jfinal.plugin.IPlugin;

import java.io.InputStream;
import java.net.URL;

/**
 * EhCachePlugin.
 */
public class EhCachePlugin implements IPlugin {

    private static CacheManager cacheManager;
    private String configurationFileName;
    private URL configurationFileURL;
    private InputStream inputStream;
    private Configuration configuration;

    public EhCachePlugin() {

    }

    public EhCachePlugin(CacheManager cacheManager) {
        EhCachePlugin.cacheManager = cacheManager;
    }

    public EhCachePlugin(String configurationFileName) {
        this.configurationFileName = configurationFileName;
    }

    public EhCachePlugin(URL configurationFileURL) {
        this.configurationFileURL = configurationFileURL;
    }

    public EhCachePlugin(InputStream inputStream) {
        this.inputStream = inputStream;
    }

    public EhCachePlugin(Configuration configuration) {
        this.configuration = configuration;
    }

    public boolean start() {
        createCacheManager();
        CacheKit.init(cacheManager);
        return true;
    }

    private void createCacheManager() {
        if (cacheManager != null)
            return;

        if (configurationFileName != null) {
            cacheManager = CacheManager.create(configurationFileName);
            return;
        }

        if (configurationFileURL != null) {
            cacheManager = CacheManager.create(configurationFileURL);
            return;
        }

        if (inputStream != null) {
            cacheManager = CacheManager.create(inputStream);
            return;
        }

        if (configuration != null) {
            cacheManager = CacheManager.create(configuration);
            return;
        }

        cacheManager = CacheManager.create();
    }

    public boolean stop() {
        cacheManager.shutdown();
        return true;
    }
}