package com.quickwebframework.mvc.spring;
import org.osgi.framework.Bundle;
import org.osgi.framework.BundleContext;
import org.osgi.framework.BundleEvent;
import org.osgi.framework.ServiceEvent;
import com.quickwebframework.framework.FrameworkContext;
import com.quickwebframework.mvc.spring.service.impl.SpringMvcFrameworkService;
import com.quickwebframework.mvc.spring.support.Activator;
import com.quickwebframework.mvc.spring.support.BundleControllerHandler;
import com.quickwebframework.mvc.spring.support.BundleFilterHandler;
import com.quickwebframework.mvc.spring.support.BundleListenerHandler;
import com.quickwebframework.mvc.spring.support.BundleThreadHandler;
public class SpringMvcContext extends FrameworkContext {
private static SpringMvcContext instance;
public static SpringMvcContext getInstance() {
if (instance == null)
instance = new SpringMvcContext();
return instance;
}
private static SpringMvcFrameworkService mvcFrameworkService;
/**
* 得到Spring MVC框架服务
*
* @return
*/
public static SpringMvcFrameworkService getSpringMvcFrameworkService() {
return mvcFrameworkService;
}
@Override
protected BundleContext getBundleContext() {
return Activator.getContext();
}
@Override
protected void init(int arg) {
// 注册MVC框架服务
mvcFrameworkService = new SpringMvcFrameworkService();
// 注册Spring MVC框架的BundleHandler
mvcFrameworkService
.registerBundleHandler(new BundleControllerHandler());
mvcFrameworkService.registerBundleHandler(new BundleFilterHandler());
mvcFrameworkService.registerBundleHandler(new BundleListenerHandler());
mvcFrameworkService.registerBundleHandler(new BundleThreadHandler());
// 添加到MVC框架中
for (Bundle bundle : this.getBundleContext().getBundles()) {
// 如果状态是已激活
if (bundle.getState() == Bundle.ACTIVE) {
registerBundle(bundle);
}
}
}
@Override
protected void destory(int arg) {
// 从MVC框架中移除
for (Bundle bundle : mvcFrameworkService.bundleApplicationContextMap
.keySet().toArray(new Bundle[0])) {
unregisterBundle(bundle);
}
}
@Override
protected void bundleChanged(BundleEvent event) {
int bundleEventType = event.getType();
Bundle bundle = event.getBundle();
if (BundleEvent.STARTED == bundleEventType) {
// 注册插件到Spring MVC上下文中
registerBundle(bundle);
} else if (BundleEvent.STOPPING == bundleEventType) {
// 移除插件的控制器
unregisterBundle(bundle);
}
}
@Override
protected void serviceChanged(ServiceEvent event) {
}
/**
* 注册Bundle到Spring MVC上下文中
*
* @param bundle
*/
public static void registerBundle(Bundle bundle) {
// 如果是系统Bundle，则不处理
if (bundle.getBundleId() == 0) {
return;
}
mvcFrameworkService.registerBundle(bundle);
}
/**
* 取消注册Bundle到Spring MVC上下文中
*
* @param bundle
*/
public static void unregisterBundle(Bundle bundle) {
mvcFrameworkService.unregisterBundle(bundle);
}
}