/**
* Copyright (C) 2009 eXo Platform SAS.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.exoplatform.webui.core.lifecycle;
import java.util.ArrayList;
import java.util.List;
import org.exoplatform.web.application.ApplicationMessage;
import org.exoplatform.webui.application.WebuiRequestContext;
import org.exoplatform.webui.core.UIApplication;
import org.exoplatform.webui.core.UIComponent;
import org.exoplatform.webui.event.Event;
import org.exoplatform.webui.exception.MessageException;
import org.exoplatform.webui.form.UIForm;
import org.exoplatform.webui.form.UIFormInput;
import org.exoplatform.webui.form.UIFormInputBase;
import org.exoplatform.webui.form.UIFormInputContainer;
import org.exoplatform.webui.form.UIFormInputSet;
import org.exoplatform.webui.form.UIFormMultiValueInputSet;
import org.exoplatform.webui.form.validator.Validator;
/** Author : Nhu Dinh Thuan nhudinhthuan@yahoo.com Jun 1, 2006 */
public class UIFormLifecycle extends Lifecycle<UIForm>
{
public void processDecode(UIForm uicomponent, WebuiRequestContext context) throws Exception
{
// HttpServletRequest httpRequest = (HttpServletRequest)context.getRequest() ;
uicomponent.setSubmitAction(null);
// if(ServletFileUpload.isMultipartContent(new ServletRequestContext(httpRequest))) {
// processMultipartRequest(uiForm, context) ;
// } else {
processNormalRequest(uicomponent, context);
// }
List<UIComponent> children = uicomponent.getChildren();
for (UIComponent uiChild : children)
{
uiChild.processDecode(context);
}
String action = uicomponent.getSubmitAction();
String subComponentId = context.getRequestParameter(UIForm.SUBCOMPONENT_ID);
if (subComponentId == null || subComponentId.trim().length() < 1)
{
Event<UIComponent> event = uicomponent.createEvent(action, Event.Phase.DECODE, context);
if (event != null)
{
event.broadcast();
}
return;
}
UIComponent uiSubComponent = uicomponent.findComponentById(subComponentId);
Event<UIComponent> event = uiSubComponent.createEvent(action, Event.Phase.DECODE, context);
if (event == null)
{
event = uicomponent.createEvent(action, Event.Phase.DECODE, context);
}
if (event != null)
{
event.broadcast();
}
}
public void processAction(UIForm uicomponent, WebuiRequestContext context) throws Exception
{
String action = context.getRequestParameter(UIForm.ACTION);
if (action == null)
{
action = uicomponent.getSubmitAction();
}
if (action == null)
{
return;
}
Event<UIComponent> event = uicomponent.createEvent(action, Event.Phase.PROCESS, context);
if (event == null)
{
event = uicomponent.<UIComponent>getParent().createEvent(action, Event.Phase.PROCESS, context);
}
if (event == null)
{
return;
}
UIApplication uiApp = uicomponent.getAncestorOfType(UIApplication.class);
List<UIComponent> children = uicomponent.getChildren();
validateChildren(children, uiApp, context);
/*List<Validator> validators = uiForm.getValidators() ;
if(validators != null) {
try {
for(Validator validator : validators) validator.validate(uiForm) ;
} catch (MessageException ex) {
uiApp.addMessage(ex.getDetailMessage()) ;
context.setProcessRender(true) ;
} catch(Exception ex) {
//TODO: This is a critical exception and should be handle in the UIApplication
uiApp.addMessage(new ApplicationMessage(ex.toString(), null)) ;
context.setProcessRender(true) ;
}
}*/
if (context.getProcessRender())
{
context.addUIComponentToUpdateByAjax(uiApp.getUIPopupMessages());
return;
}
event.broadcast();
}
private void processNormalRequest(UIForm uiForm, WebuiRequestContext context) throws Exception
{
List<UIFormInputBase> inputs = new ArrayList<UIFormInputBase>();
uiForm.findComponentOfType(inputs, UIFormInputBase.class);
uiForm.setSubmitAction(context.getRequestParameter(UIForm.ACTION));
for (UIFormInputBase input : inputs)
{
if (!input.isValid())
{
continue;
}
String inputValue = context.getRequestParameter(input.getId());
if (inputValue == null || inputValue.trim().length() == 0)
{
inputValue = context.getRequestParameter(input.getName());
}
input.decode(inputValue, context);
}
}
/*private void processMultipartRequest(UIForm uiForm, RequestContext context) throws Exception {
HttpServletRequest httpRequest = (HttpServletRequest)context.getRequest() ;
ServletFileUpload upload = new ServletFileUpload(new DiskFileItemFactory());
List items = upload.parseRequest(httpRequest);
Iterator iter = items.iterator();
while (iter.hasNext()) {
FileItem item = (FileItem) iter.next();
String fieldName = item.getFieldName();
if (item.isFormField()) { //Normal inputs
String inputValue = item.getString() ;
if (UIForm.ACTION.equals(fieldName)) {
uiForm.setSubmitAction(inputValue) ;
continue;
} else if(UIFormTabPane.RENDER_TAB.equals(fieldName)){
((UIFormTabPane)uiForm).setRenderTabId(inputValue);
continue;
}
UIFormInputBase input = uiForm.findComponentById(fieldName) ;
if(input != null) input.decode(inputValue, context) ;
continue;
}
UIFormInputBase input = uiForm.findComponentById(fieldName) ; // File input
if(input != null) input.decode(item, context) ;
}
}*/
@SuppressWarnings("unchecked")
private void validateChildren(List<UIComponent> children, UIApplication uiApp, WebuiRequestContext context)
{
for (UIComponent uiChild : children)
{
if (uiChild instanceof UIFormInputBase)
{
UIFormInputBase uiInput = (UIFormInputBase)uiChild;
if (!uiInput.isValid())
{
continue;
}
List<Validator> validators = uiInput.getValidators();
if (validators == null)
{
continue;
}
try
{
for (Validator validator : validators)
{
validator.validate(uiInput);
}
}
catch (MessageException ex)
{
uiApp.addMessage(ex.getDetailMessage());
context.setProcessRender(true);
}
catch (Exception ex)
{
//TODO: This is a critical exception and should be handle in the UIApplication
uiApp.addMessage(new ApplicationMessage(ex.getMessage(), null));
context.setProcessRender(true);
}
}
else if (uiChild instanceof UIFormInputSet)
{
UIFormInputSet uiInputSet = (UIFormInputSet)uiChild;
validateChildren(uiInputSet.getChildren(), uiApp, context);
}
else if (uiChild instanceof UIFormMultiValueInputSet)
{
UIFormMultiValueInputSet uiInput = (UIFormMultiValueInputSet)uiChild;
List<Validator> validators = uiInput.getValidators();
if (validators == null)
{
continue;
}
try
{
for (Validator validator : validators)
{
List<UIComponent> uiInputChild = uiInput.getChildren();
for (int i = 0; i < uiInputChild.size(); i++)
{
try
{
validator.validate((UIFormInput)uiInputChild.get(i));
}
catch (MessageException ex)
{
uiApp.addMessage(ex.getDetailMessage());
context.setProcessRender(true);
}
}
}
}
catch (Exception ex)
{
//TODO: This is a critical exception and should be handle in the UIApplication
uiApp.addMessage(new ApplicationMessage(ex.getMessage(), null));
context.setProcessRender(true);
}
}
else if (uiChild instanceof UIFormInputContainer)
{
UIFormInputContainer uiInput = (UIFormInputContainer)uiChild;
List<Validator> validators = uiInput.getValidators();
if (validators == null)
{
continue;
}
try
{
for (Validator validator : validators)
{
validator.validate(uiInput);
}
}
catch (MessageException ex)
{
uiApp.addMessage(ex.getDetailMessage());
context.setProcessRender(true);
}
catch (Exception ex)
{
//TODO: This is a critical exception and should be handle in the UIApplication
uiApp.addMessage(new ApplicationMessage(ex.getMessage(), null));
context.setProcessRender(true);
}
}
}
}
}