org.webframe.easy.view.ModuleAnnotationMethodHandlerAdapter Maven / Gradle / Ivy
package org.webframe.easy.view;
import javax.servlet.http.HttpServletRequest;
import org.springframework.beans.BeanUtils;
import org.springframework.web.bind.ServletRequestDataBinder;
import org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter;
import org.webframe.core.util.EntityUtils;
import org.webframe.easy.util.ModuleUrlPathHelper;
/**
* @author 黄国庆
* @version $Id: codetemplates.xml,v 1.1 2009/09/07 08:48:12 Exp $ Create: 2011-6-28 下午08:45:19
*/
public class ModuleAnnotationMethodHandlerAdapter extends AnnotationMethodHandlerAdapter {
public ModuleAnnotationMethodHandlerAdapter() {
setUrlPathHelper(new ModuleUrlPathHelper());
}
@Override
public boolean supports(Object handler) {
return super.supports(handler);
}
@Override
protected ServletRequestDataBinder createBinder(HttpServletRequest request, Object target, String objectName)
throws Exception {
String moduleName = (String) request.getAttribute(ModuleUrlPathHelper.IS_MODULE_HANDLER);
Object realTarget = target;
if (moduleName != null) {
Class moduleClass = EntityUtils.getEntityClass(moduleName);
// 如果moduleClass是target类的子类，则从新根据子类实例化
if (target != null && target.getClass().isAssignableFrom(moduleClass) && target.getClass() != moduleClass) {
realTarget = BeanUtils.instantiateClass(moduleClass);
}
}
return super.createBinder(request, realTarget, objectName);
}
}