Hey Mike, please make sure you are running the build; I am seeing checkstyle problems for this new file; No license added to the beginning of the file...
#fixed in revision 775217 -Matthias On Wed, May 13, 2009 at 5:10 PM, <mconc...@apache.org> wrote: > Author: mconcini > Date: Wed May 13 15:10:38 2009 > New Revision: 774395 > > URL: http://svn.apache.org/viewvc?rev=774395&view=rev > Log: > MYFACES-2219 - new ViewHandlerImpl class > > Added: > > myfaces/core/branches/2_0_0/impl/src/main/java/org/apache/myfaces/application/ViewHandlerImpl.java > > Added: > myfaces/core/branches/2_0_0/impl/src/main/java/org/apache/myfaces/application/ViewHandlerImpl.java > URL: > http://svn.apache.org/viewvc/myfaces/core/branches/2_0_0/impl/src/main/java/org/apache/myfaces/application/ViewHandlerImpl.java?rev=774395&view=auto > ============================================================================== > --- > myfaces/core/branches/2_0_0/impl/src/main/java/org/apache/myfaces/application/ViewHandlerImpl.java > (added) > +++ > myfaces/core/branches/2_0_0/impl/src/main/java/org/apache/myfaces/application/ViewHandlerImpl.java > Wed May 13 15:10:38 2009 > @@ -0,0 +1,358 @@ > +package org.apache.myfaces.application; > + > +import java.beans.BeanDescriptor; > +import java.beans.BeanInfo; > +import java.beans.PropertyDescriptor; > +import java.io.IOException; > +import java.util.ArrayList; > +import java.util.Collection; > +import java.util.HashMap; > +import java.util.Iterator; > +import java.util.List; > +import java.util.Locale; > +import java.util.Map; > + > +import javax.el.ExpressionFactory; > +import javax.el.MethodExpression; > +import javax.el.ValueExpression; > +import javax.faces.FacesException; > +import javax.faces.FactoryFinder; > +import javax.faces.application.Application; > +import javax.faces.application.StateManager; > +import javax.faces.application.ViewHandler; > +import javax.faces.component.ActionSource2; > +import javax.faces.component.EditableValueHolder; > +import javax.faces.component.UIComponent; > +import javax.faces.component.UIViewParameter; > +import javax.faces.component.UIViewRoot; > +import javax.faces.context.ExternalContext; > +import javax.faces.context.FacesContext; > +import javax.faces.event.ActionEvent; > +import javax.faces.event.MethodExpressionActionListener; > +import javax.faces.event.MethodExpressionValueChangeListener; > +import javax.faces.event.ValueChangeEvent; > +import javax.faces.render.RenderKitFactory; > +import javax.faces.render.ResponseStateManager; > +import javax.faces.validator.MethodExpressionValidator; > +import javax.faces.view.ActionSource2AttachedObjectHandler; > +import javax.faces.view.ActionSource2AttachedObjectTarget; > +import javax.faces.view.AttachedObjectHandler; > +import javax.faces.view.AttachedObjectTarget; > +import javax.faces.view.EditableValueHolderAttachedObjectHandler; > +import javax.faces.view.EditableValueHolderAttachedObjectTarget; > +import javax.faces.view.ValueHolderAttachedObjectHandler; > +import javax.faces.view.ValueHolderAttachedObjectTarget; > +import javax.faces.view.ViewDeclarationLanguage; > +import javax.faces.view.ViewDeclarationLanguageFactory; > +import javax.faces.view.ViewMetadata; > +import javax.servlet.http.HttpServletResponse; > + > +import org.apache.commons.logging.Log; > +import org.apache.commons.logging.LogFactory; > +import org.apache.myfaces.shared_impl.config.MyfacesConfig; > +import org.apache.myfaces.shared_impl.renderkit.html.util.JavascriptUtils; > + > +public class ViewHandlerImpl extends ViewHandler > +{ > + private static final Log log = LogFactory.getLog(ViewHandlerImpl.class); > + public static final String FORM_STATE_MARKER = > "<!--@@JSF_FORM_STATE_MARKER@@-->"; > + private ViewHandlerSupport _viewHandlerSupport; > + private ViewDeclarationLanguageFactory _vdlFactory; > + > + public ViewHandlerImpl() > + { > + _vdlFactory = > (ViewDeclarationLanguageFactory)FactoryFinder.getFactory(FactoryFinder.VIEW_DECLARATION_LANGUAGE_FACTORY); > + if (log.isTraceEnabled()) > + log.trace("New ViewHandler instance created"); > + } > + > + �...@override > + public String deriveViewId(FacesContext context, String input) > + { > + String calculatedViewId = input; > + try > + { > + //TODO: JSF 2.0 - need to make sure calculateViewId follows the > new algorithm from 7.5.2 > + calculatedViewId = > getViewHandlerSupport().calculateViewId(context, input); > + } > + catch (InvalidViewIdException e) > + { > + sendSourceNotFound(context, e.getMessage()); > + } > + return calculatedViewId; > + } > + > + �...@override > + public String getBookmarkableURL(FacesContext context, String viewId, > + Map<String, List<String>> parameters, boolean includeViewParams) > + { > + Map<String, List<String>> viewParameters; > + ExternalContext externalContext = context.getExternalContext(); > + if (includeViewParams) > + { > + viewParameters = getViewParameterList(context, viewId, > parameters); > + } > + else > + { > + viewParameters = parameters; > + } > + > + String actionEncodedViewId = getActionURL(context, viewId); > + String bookmarkEncodedURL = > externalContext.encodeBookmarkableURL(actionEncodedViewId, viewParameters); > + return externalContext.encodeActionURL(bookmarkEncodedURL); > + } > + > + �...@override > + public String getRedirectURL(FacesContext context, String viewId, > + Map<String, List<String>> parameters, boolean includeViewParams) > + { > + Map<String, List<String>> viewParameters; > + ExternalContext externalContext = context.getExternalContext(); > + if (includeViewParams) > + { > + viewParameters = getViewParameterList(context, viewId, > parameters); > + } > + else > + { > + viewParameters = parameters; > + } > + > + String actionEncodedViewId = getActionURL(context, viewId); > + String redirectEncodedURL = > externalContext.encodeRedirectURL(actionEncodedViewId, viewParameters); > + return externalContext.encodeActionURL(redirectEncodedURL); > + } > + > + �...@override > + public ViewDeclarationLanguage getViewDeclarationLanguage( > + FacesContext context, String viewId) > + { > + return _vdlFactory.getViewDeclarationLanguage(viewId); > + } > + > + �...@override > + public void initView(FacesContext context) throws FacesException > + { > + if(context.getExternalContext().getRequestCharacterEncoding() == > null) > + { > + super.initView(context); > + } > + } > + > + /** > + * Get the locales specified as acceptable by the original request, > compare them to the > + * locales supported by this Application and return the best match. > + */ > + �...@override > + public Locale calculateLocale(FacesContext facesContext) > + { > + Application application = facesContext.getApplication(); > + for (Iterator<Locale> requestLocales = > facesContext.getExternalContext().getRequestLocales(); requestLocales > + .hasNext();) > + { > + Locale requestLocale = requestLocales.next(); > + for (Iterator<Locale> supportedLocales = > application.getSupportedLocales(); supportedLocales.hasNext();) > + { > + Locale supportedLocale = supportedLocales.next(); > + // higher priority to a language match over an exact match > + // that occurs further down (see JSTL Reference 1.0 8.3.1) > + if > (requestLocale.getLanguage().equals(supportedLocale.getLanguage()) > + && (supportedLocale.getCountry() == null || > supportedLocale.getCountry().length() == 0)) > + { > + return supportedLocale; > + } > + else if (supportedLocale.equals(requestLocale)) > + { > + return supportedLocale; > + } > + } > + } > + > + Locale defaultLocale = application.getDefaultLocale(); > + return defaultLocale != null ? defaultLocale : Locale.getDefault(); > + } > + > + �...@override > + public String calculateRenderKitId(FacesContext facesContext) > + { > + Object renderKitId = > facesContext.getExternalContext().getRequestMap().get( > + ResponseStateManager.RENDER_KIT_ID_PARAM); > + if (renderKitId == null) > + { > + renderKitId = > facesContext.getApplication().getDefaultRenderKitId(); > + } > + if (renderKitId == null) > + { > + renderKitId = RenderKitFactory.HTML_BASIC_RENDER_KIT; > + } > + return renderKitId.toString(); > + } > + > + �...@override > + public UIViewRoot createView(FacesContext context, String viewId) > + { > + checkNull(context, "facesContext"); > + String calculatedViewId = > getViewHandlerSupport().calculateViewId(context, viewId); > + return > getViewDeclarationLanguage(context,calculatedViewId).createView(context,calculatedViewId); > + } > + > + �...@override > + public String getActionURL(FacesContext context, String viewId) > + { > + return getViewHandlerSupport().calculateActionURL(context, viewId); > + } > + > + �...@override > + public String getResourceURL(FacesContext facesContext, String path) > + { > + if (path.length() > 0 && path.charAt(0) == '/') > + { > + return facesContext.getExternalContext().getRequestContextPath() > + path; > + } > + > + return path; > + > + } > + > + �...@override > + public void renderView(FacesContext context, UIViewRoot viewToRender) > + throws IOException, FacesException > + { > + > + checkNull(context, "context"); > + checkNull(viewToRender, "viewToRender"); > + > + > getViewDeclarationLanguage(context,viewToRender.getViewId()).renderView(context, > viewToRender); > + } > + > + �...@override > + public UIViewRoot restoreView(FacesContext context, String viewId) > + { > + checkNull(context, "context"); > + > + String calculatedViewId = > getViewHandlerSupport().calculateViewId(context, viewId); > + return > getViewDeclarationLanguage(context,calculatedViewId).restoreView(context, > viewId); > + } > + > + �...@override > + public void writeState(FacesContext context) throws IOException > + { > + checkNull(context, "context"); > + > + if(context.getPartialViewContext().isAjaxRequest()) > + return; > + > + StateManager stateManager = > context.getApplication().getStateManager(); > + if (stateManager.isSavingStateInClient(context)) > + { > + // Only write state marker if javascript view state is disabled > + ExternalContext extContext = context.getExternalContext(); > + if (!(JavascriptUtils.isJavascriptAllowed(extContext) && > MyfacesConfig.getCurrentInstance(extContext).isViewStateJavascript())) { > + context.getResponseWriter().write(FORM_STATE_MARKER); > + } > + } > + else > + { > + stateManager.writeState(context, new Object[2]); > + } > + } > + > + private Map<String, List<String>> getViewParameterList(FacesContext > context, > + String viewId, Map<String, List<String>> parametersFromArg) > + { > + > + Map<String, List<String>> viewParameters; > + UIViewRoot viewRoot = context.getViewRoot(); > + String currentViewId = viewRoot.getViewId(); > + Collection<UIViewParameter> toViewParams; > + Collection<UIViewParameter> currentViewParams = > ViewMetadata.getViewParameters(viewRoot); > + > + if (currentViewId.equals(viewId)) > + { > + toViewParams = currentViewParams; > + } > + else > + { > + String calculatedViewId = > getViewHandlerSupport().calculateViewId(context, viewId); > + ViewDeclarationLanguage vdl = > getViewDeclarationLanguage(context,calculatedViewId); > + ViewMetadata viewMetadata = vdl.getViewMetadata(context, viewId); > + UIViewRoot viewFromMetaData = > viewMetadata.createMetadataView(context); > + toViewParams = ViewMetadata.getViewParameters(viewFromMetaData); > + } > + > + if (toViewParams.isEmpty()) > + { > + return parametersFromArg; > + } > + > + for (UIViewParameter viewParameter : toViewParams) > + { > + if (!parametersFromArg.containsKey(viewParameter.getName())) > + { > + String parameterValue = > viewParameter.getStringValueFromModel(context); > + if (parameterValue == null) > + { > + if(currentViewId.equals(viewId)) > + { > + parameterValue = > viewParameter.getStringValue(context); > + } > + else > + { > + boolean found = false; > + for (UIViewParameter curParam : currentViewParams) { > + if (curParam.getName() != null && > viewParameter.getName() != null && > + > curParam.getName().equals(viewParameter.getName())) > + { > + parameterValue = > curParam.getStringValue(context); > + found = true; > + } > + if (found) > + break; > + } > + } > + } > + if (parameterValue != null) > + { > + List<String> parameterValueList = > parametersFromArg.get(viewParameter.getName()); > + if (parameterValueList == null) > + { > + parameterValueList = new ArrayList<String>(); > + } > + parameterValueList.add(parameterValue); > + > parametersFromArg.put(viewParameter.getName(),parameterValueList); > + } > + } > + } > + return parametersFromArg; > + } > + > + private void checkNull(final Object o, final String param) > + { > + if (o == null) > + { > + throw new NullPointerException(param + " can not be null."); > + } > + } > + > + private void sendSourceNotFound(FacesContext context, String message) > + { > + HttpServletResponse response = (HttpServletResponse) > context.getExternalContext().getResponse(); > + try > + { > + context.responseComplete(); > + response.sendError(HttpServletResponse.SC_NOT_FOUND, message); > + } > + catch (IOException ioe) > + { > + throw new FacesException(ioe); > + } > + } > + > + protected ViewHandlerSupport getViewHandlerSupport() > + { > + if (_viewHandlerSupport == null) > + { > + _viewHandlerSupport = new DefaultViewHandlerSupport(); > + } > + return _viewHandlerSupport; > + } > +} > > > -- Matthias Wessendorf blog: http://matthiaswessendorf.wordpress.com/ sessions: http://www.slideshare.net/mwessendorf twitter: http://twitter.com/mwessendorf
