com.generallycloud.baseio.configuration.PropertiesSCLoader Maven / Gradle / Ivy

Go to download
/*
 * Copyright 2015-2017 GenerallyCloud.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 com.generallycloud.baseio.configuration;

import java.lang.reflect.Method;
import java.nio.charset.Charset;

import com.generallycloud.baseio.common.FixedProperties;

public class PropertiesSCLoader implements ServerConfigurationLoader {

	@Override
	public ServerConfiguration loadConfiguration(FixedProperties properties) throws Exception {

		ServerConfiguration cfg = new ServerConfiguration();

		Method[] methods = cfg.getClass().getDeclaredMethods();

		for (Method method : methods) {

			String name = method.getName();

			if (!name.startsWith("set")) {
				continue;
			}

			if ("setSERVER_ENCODING".equals(name) || "setSERVER_CORE_SIZE".equals(name)) {
				continue;
			}

			if (!method.isAccessible()) {
				method.setAccessible(true);
			}

			Class type = method.getParameterTypes()[0];

			String temp = name.replace("setSERVER_", "SERVER.");

			if (type == String.class) {
				method.invoke(cfg, properties.getProperty(temp));
			} else if (type == int.class) {
				method.invoke(cfg, properties.getIntegerProperty(temp));
			} else if (type == double.class) {
				method.invoke(cfg, properties.getDoubleProperty(temp));
			} else if (type == boolean.class) {
				method.invoke(cfg, properties.getBooleanProperty(temp));
			} else if (type == long.class) {
				method.invoke(cfg, properties.getLongProperty(temp));
			} else {
				throw new Exception("unknow type " + type);
			}
		}

		String encoding = properties.getProperty("SERVER.ENCODING", "GBK");

		cfg.setSERVER_ENCODING(Charset.forName(encoding));

		return cfg;
	}

}