WebApplicationContextImpl.java

package org.theonefx.wcframework.mvc;

import javax.servlet.ServletContext;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.theonefx.wcframework.core.ConfigurationReader;
import org.theonefx.wcframework.core.DefaultConfigurationReader;
import org.theonefx.wcframework.core.ObjectRegistry;
import org.theonefx.wcframework.mvc.wcweb.ControllerRegister;
import org.theonefx.wcframework.utils.StringUtils;

/**
 * @File          : WebApplicationContextImpl.java
 * @ClassName     : WebApplicationContextImpl
 * @Author        : 陈曦
 * @Date          : Feb 3, 2012 10:04:11 AM
 * @Version       : v1.0
 * @Description   : web环境上下文实现
 */
public class WebApplicationContextImpl extends ApplicationContextSupport implements WebApplicationContext {

	private final Log log = LogFactory.getLog(getClass());
	
	private ServletContext servletContext;

	private final ObjectRegistry registry = getBeanDefinitionRegistry();
	
	private ConfigurationReader reader = null;
	
	private final ControllerRegister controllerRegister;
	
	public ServletContext getServletContext() {
		return servletContext;
	}

	public WebApplicationContextImpl(ServletContext servletContext) {
		this.servletContext = servletContext;
		controllerRegister = new ControllerRegister(servletContext);
		servletContext.setAttribute(APPCTX_ATTRNAME, this);
		String path = servletContext.getInitParameter(CFG_FILE_LOCATION_PROPERTY);
		if (StringUtils.isBlank(path)) {
			path = DEFAULT_CFG_FILE;
		}
		log.info("WCF配置文件路径:" + path);

		registry.registObject(CONTROLLER_REGISTRY_NAME, controllerRegister);

		reader = new DefaultConfigurationReader(getDefaultBeanFactory(), path);
		reader.doLoadConfiguration();
		controllerRegister.refresh();
		getDefaultBeanFactory().registerSingleton(SERVLET_BEAN_ID, servletContext);
	}

	public Object getObject(String name) {
		return registry.getObject(name);
	}

	public static boolean hasWcfEnv(ServletContext servletContext) {
		Object ctx = servletContext.getAttribute(APPCTX_ATTRNAME);
		if (ctx != null && (ctx instanceof WebApplicationContext)) {
			return true;
		}
		return false;
	}
}