/*
* Copyright 2008-2009 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 net.hasor.plugins.startup;
import net.hasor.core.ApiBinder;
import net.hasor.core.Module;
import net.hasor.core.Settings;
import net.hasor.core.utils.StringUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* 简化“modules.module”的配置,提供整个应用程序的一个唯一入口 Module。
* 该模块只会加载一个Module,如果要加载多个module建议使用原生。<br>
* 该模块的存在只是为了简化 xml 配置。
* @version : 2014年8月27日
* @author 赵永春(zyc@hasor.net)
*/
public class StartupModule implements Module {
private Logger logger = LoggerFactory.getLogger(getClass());
//
public final void loadModule(ApiBinder apiBinder) throws Throwable {
ClassLoader classLoader = apiBinder.getEnvironment().getClassLoader();
Settings settings = apiBinder.getEnvironment().getSettings();
Module mod = this.getStartModule(settings, classLoader);
if (mod != null) {
apiBinder.installModule(mod);
} else {
if (logger.isInfoEnabled()) {
logger.info("startup -> not found root Module.");
}
}
}
/**获取启动模块*/
protected Module getStartModule(Settings settings, ClassLoader loader) throws Exception {
Module startupModule = null;
String startupModuleName = settings.getString("hasor.startup");
if (StringUtils.isBlank(startupModuleName)) {
if (logger.isWarnEnabled()) {
logger.warn("startup -> module is undefinition.");
}
} else {
Class<Module> startModuleClass = (Class<Module>) loader.loadClass(startupModuleName);
startupModule = startModuleClass.newInstance();
if (logger.isInfoEnabled()) {
logger.info("startup -> module is " + startupModuleName);
}
}
return startupModule;
}
}