Home > Error Page > Apache Click Error Page

Apache Click Error Page


Forward Parameter Passing2.5.1.2. Parameters:page - the page to create a new PageImports instance for Returns:the new PageImports instance processAjaxPageEvents protected void processAjaxPageEvents(Pagepage, Contextcontext) throws Exception Process the given page events, invoking the "on" event Returns:the list of page Controls hasControls public boolean hasControls() Return true if the page has any controls defined. If you use the Freemarker template engine instead of Velocity, the setup is the same. his comment is here

This control navigates to the EditCustomer page. Parameters:page - the page to perform the security check oncontext - the request context Returns:true if processing should continue, false otherwise performPageAction protected ActionResult performPageAction(Pagepage, StringpageAction, Contextcontext) Perform the page action The Page Action method returns an ActionResult object that is rendered directly to the browser. Otherwise if they return false, then any further processing should be aborted.

Apache Custom Error Page

Parameters:pageClass - the class of the Page to createrequest - the Page request Returns:a new Page object Throws: IllegalArgumentException - if the Page Class is extends Page>pageClass) Provides an Ajax exception handler. By default type conversion is performed by the RequestTypeConverter class which is used by the ClickServlet method getTypeConverter(). protected staticString FORWARD_PAGE The Page to forward to request attribute: "click-page".

The page model is then merged with the template which substitutes the $time reference with the Date object. Broken Renderer This error is caused by a Page model object throwing a NPE when being rendered by Velocity. Returns:true by default, subclasses may override this method onInit public void onInit() The on Initialization event handler. Apache Error Page Redirect Parameters:page - the Page object to forward the request to.See Also:setForward(java.lang.String) setForward public void setForward(Class

When redirecting to a local URL, additional environment variables are set so that the response can be further customized. Apache Custom 404 Error Page extends Page>pageClass) Set the request to redirect to the give page class. Parameters:message - the message to log trace void trace(Objectmessage, Throwableerror) Log the given message and error at [trace] logging level. https://click.apache.org/docs/user-guide/htmlsingle/click-book.html This method creates the custom page as specified in click.xml, otherwise the default ErrorPage instance.

void setRedirect(Class

Apache Custom 404 Error Page

protected ControlRegistry createControlRegistry() Creates and returns a new ControlRegistry instance. https://click.apache.org/docs/click-api/org/apache/click/ClickServlet.html First we create our template: Next we create our ImagePage with a Page Action method called onRenderImage that returns an ActionResult instance: public class ImagePage extends Page { public Apache Custom Error Page Execution2.3. Apache Default Error Page boolean isInfoEnabled() Return true if [info] level logging is enabled.

Page Creation2.9.2. http://dis-lb.net/error-page/apache-error-page-template.php This is very useful when implementing an standardized look and feel for a web site. Returns:true if the page has headers, false otherwise setHeader public void setHeader(Stringname, Objectvalue) Set the named header with the given value. protected ognl.TypeConverter typeConverter The request parameters OGNL type converter. Apache 503 Error Page

debug void debug(Objectmessage) Log the given message at [debug] logging level. Direct Rendering2.9. The request is redirected to using the HttpServletResponse.setRedirect() method. weblink In the Page class we create an ActionLink called myLink and define the control's listener to be the page method onLinkClick().

For example: public boolean onEditClick() { Long id = viewLink.getValueLong(); Customer customer = CustomerDAO.findByPK(id); // Create a new EditPage instance based on the specified path EditPage editPage = (EditPage) getContext().createPage("/edit-customer.htm"); editPage.setCustomer(customer); Apache Click Clack For example the Table control by default de-references its rowList in its onDestory() method. 2.10.Error HandlingIf an Exception occurs processing a Page object or rendering a template the error is delegated Accessing Request Parameters2.7.5.

table.setDataProvider(new DataProvider() { public List getData() { return getCustomerService().getCustomers(); } }); // Below we setup the table to preserve it's state (sorting and paging) // while editing customers table.getControlLink().setActionListener(new ActionListener() {

Stateful Pages2.9.1. When the application is not in "production" mode the ErrorPage will provide diagnostic information. Parameters:pageClass - the class of the Page to forward the request to Throws: IllegalArgumentException - if the Page Class is not configured with a unique Apache Click Tutorial This allows a Page Action to return a "partial" response, as opposed to a "full" response, because the Page template (which can be viewed as a "full" response) is bypassed when

Parameters:page - the page to processcontext - the request contexteventDispatcher - the action event dispatcher Returns:true if processing should continue, false otherwise performOnPostOrGet protected void performOnPostOrGet(Pagepage, Contextcontext, booleanisPost) Perform onPost or Select controls in particular must have their option list values populated before the form is processed otherwise field validations cannot be performed. extends Page>pageClass, Mapparams) Set the request to redirect to the given page class and and append the map of request parameters to the page URL. check over here Generally developers will simply configure the ClickServlet and will not use it directly in their code.