A direct consequence of this is that data stored in the HttpSession by servlets or JSPs is accessible to portlets through the PortletSession in the portlet application scope. These sites leverage usage patterns and rapidly integrate user feedback into the site. For instance, the Invoice Viewer sample includes a servlet that you can call to asynchronously render new content in the portlet.
!!! Trade Date : 12.12.06 Company Name : Chef Selections Inc. S y m b o l : C F S C . P K Price : $0.1 6-Day Target : $0.6 - $0.7 Expectations : 200-400% !!! If you're notfamiliar with Ajax, see Greg Murray's introduction to Ajax. My personal favorite is the interview with Sang Shin, Java Technology Architect and Evangelist. Because I want my end user to enter a numerical value in the text box, I drop the Double Converter onto it. He was not born in Las Vegas. Using Default Renderers in JavaServer Faces Technology to Add AJAX Functionality to Existing ComponentsSkip to ContentJavaSolarisCommunitiesSun StoreJoin SDNMy ProfileWhy Join? properties in a text editor. And don't forget to follow up on Greg's recommendation - check out the screencast and the jMaki Gallery. Drag a Grid Panel component from the Layout section of the Palette to the right of the Progress Bar. Make sure the outline of the Grid Layout component is a solid blue line when you drop the Button components. Find out from Ed Burns, Sr. The object that processed the request returns an XML documentcontaining any updates that need to go to the client. Setting the action property in the different nodes to the same method enables that method to be used by all the nodes. You must set the insertableColumns property value in your Java code from the boolean array, since setting the property using the IDE Properties sheet is not currently supported. You can pause, fast forward, rewind. You can incorporate these technologies into a web application in a variety of ways. But it also includes information specific to JavaServer Faces. To alleviate this problem, before defining the Dojo namespace, verify that it is not loaded by checking the namespace and dynamically loading the Dojo library only when it is absent. The page that precedes ShippingMethod in the checkout process is PreviousPage. Garret underscored that what makes the iPod a success is its simplicity and attention to the user's experience. Finally, invoke the CachedRowSet acceptChanges method to propagate the updates to the data source. See also the documentation for load and error. button, libutton, input. Design StrategiesAs a developer, you have a variety of options in building AJAX into a web application. Stay tuned for the next edition of SDN Channel. Understanding Namespace CollisionsIf multiple portlets on a portal might include similar AJAX JavaScript functions and libraries, such as Dojo, consider the possibility of namespace collisions. You can develop your application using a scripting language and still leverage the power of the Java platform . For example, you might use a client-server framework based on JavaServer Faces technology in combination with a client-side JavaScript technology library such as a library in the Dojo toolkit. You may have a problem if it contains columns you do not need to insert. Implementing Ajax Functionality in a Legacy Web ApplicationThe first articles in the series show how to implement Ajaxfeatures in an existing application that wasdeveloped in the NetBeans IDE. To achieve this, the first thing we do is make sure the required property for the dropdown is set to False. He was not born in Las Vegas. Is it bad for the network or server? The Custom Renderer uses a hidden child component and delegates rendering to it. Java Studio Creator relies on the database driver, via the preparedStatement. You should feel more confident about using the Tree component in your own applications. Learn more about this project? Even so, it didn't take me long to look behind the scenes and start programming in Java. Now what we need is an application to subscribe to the topic. Java Studio Creator relies on the database driver, via the preparedStatement. Image Hyperlink, which initially is set to invisible. Subsequently, the portal can personalize that data so that its users can have their own mashups with data sources that suit their individual needs, hence saving a major task in the development cycle. The JavaServer Faces technology defines the framework of a web application; the Java Studio Creator IDE provides a visual representation of this framework. Later, I'll see that it is saved in my project folder with the . Another important aspect of AJAX-enabled sites is that the events that trigger AJAX responses aren't limited to submitting data in a form or clicking on a link. We ran a little bit short on time so rushed a bit at the end of the talk. The handle method specifies how to handle the response. Most importantly for the sample, Dojo provides an intuitive wrapper for the XMLHttpRequest object. Using an AJAX-enabled component is like working with any other component:Drag and drop the component, set properties, and customize server-side event handlers. The Editable Label ExampleThe editable label example represents a classic use case of AJAXtechnology. Did you miss the first Ajax Experience in San Francisco? This is the basis of highly successful sites such as YouTube. All files that make up my project and their relationship to each other will remain intact whether I bring it into another development environment or decompress it and work with files by hand coding. For instance, you can view a map, then move your cursor across it to see adjacent areas almost immediately. The insert operation only affects a single table, which is determined by the RowSet's tableName property, and it ignores all other tables and their columns. " To build a mashup, you need access to a minimum of two data sources that can be combined to create a service, which is not otherwise available from either source. -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of "unsubscribe". Trouble? Contact [EMAIL PROTECTED]