| 1 | package edu.iu.uis.sit.portal.portlet.web; |
| 2 | |
| 3 | import java.lang.reflect.Method; |
| 4 | |
| 5 | import javax.portlet.ActionRequest; |
| 6 | import javax.portlet.ActionResponse; |
| 7 | import javax.portlet.PortletException; |
| 8 | import javax.portlet.RenderRequest; |
| 9 | import javax.portlet.RenderResponse; |
| 10 | |
| 11 | import org.springframework.web.portlet.ModelAndView; |
| 12 | import org.springframework.web.portlet.mvc.AbstractController; |
| 13 | |
| 14 | public abstract class MultiActionController extends AbstractController { |
| 15 | |
| 16 | protected void handleActionRequestInternal(ActionRequest request, ActionResponse response) throws Exception { |
| 17 | String dispatch = request.getParameter("_dispatch"); |
| 18 | if (dispatch == null) { |
| 19 | throw new PortletException("Must provide _dispatch for multi action controller"); |
| 20 | } |
| 21 | Method[] methods = this.getClass().getMethods(); |
| 22 | |
| 23 | for (int i = 0; i < methods.length; i++) { |
| 24 | Method method = methods[i]; |
| 25 | if (method.getName().equals(dispatch) && method.getReturnType().getName().equals("void") && method.getParameterTypes().length == 2) { |
| 26 | method.invoke(this, new Object[] { request, response }); |
| 27 | response.setRenderParameter("_dispatch", dispatch); |
| 28 | return; |
| 29 | } |
| 30 | } |
| 31 | throw new PortletException("Could not find method: " + dispatch); |
| 32 | } |
| 33 | |
| 34 | protected ModelAndView handleRenderRequestInternal(RenderRequest request, RenderResponse response) throws Exception { |
| 35 | String dispatch = request.getParameter("_dispatch"); |
| 36 | if (dispatch == null) { |
| 37 | dispatch = "start"; |
| 38 | // throw new PortletException("Must provide _dispatch for multi action controller"); |
| 39 | } |
| 40 | Method[] methods = this.getClass().getMethods(); |
| 41 | |
| 42 | for (int i = 0; i < methods.length; i++) { |
| 43 | Method method = methods[i]; |
| 44 | if (method.getName().equals(dispatch) && method.getReturnType().getName().equals("org.springframework.web.portlet.ModelAndView") && method.getParameterTypes().length == 2) { |
| 45 | return (ModelAndView) method.invoke(this, new Object[] { request, response }); |
| 46 | } |
| 47 | } |
| 48 | throw new PortletException("Could not find method: " + dispatch); |
| 49 | } |
| 50 | |
| 51 | public abstract ModelAndView start(RenderRequest request, RenderResponse response) throws Exception; |
| 52 | } |