JsonConfig.java

/**
 * Copyright (c) 2009 - 2011 AppWork UG(haftungsbeschränkt) <e-mail@appwork.org>
 * 
 * This file is part of org.appwork.storage.config
 * 
 * This software is licensed under the Artistic License 2.0,
 * see the LICENSE file or http://www.opensource.org/licenses/artistic-license-2.0.php
 * for details
 */
package org.appwork.storage.config;

import java.io.File;
import java.lang.reflect.Proxy;
import java.util.HashMap;

import org.appwork.utils.Application;

/**
 * @author thomas
 * 
 */
public class JsonConfig {

    private static final HashMap<String, ConfigInterface> CACHE = new HashMap<String, ConfigInterface>();

    /**
     * @param <T>
     * @param class1
     * @return
     */
    public static <T extends ConfigInterface> T create(final Class<T> configInterface) {

        return JsonConfig.create(Application.getResource("cfg/" + configInterface.getName()), configInterface);
    }

    /**
     * @param name
     * @param class1
     */
    @SuppressWarnings("unchecked")
    public static <T extends ConfigInterface> T create(final File path, final Class<T> configInterface) {
        final String id = path.getAbsolutePath() + configInterface.getName();
        synchronized (JsonConfig.CACHE) {

            ConfigInterface ret = JsonConfig.CACHE.get(id);
            if (ret == null) {
                ret = (T) Proxy.newProxyInstance(JsonConfig.class.getClassLoader(), new Class<?>[] { configInterface }, new StorageHandler<T>(path, configInterface));
                JsonConfig.CACHE.put(id, ret);
            }
            return (T) ret;
        }

    }

}