[Ccvssh-users] You can quickly add scripting support to your application using only a handful of in
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From: hearsay <xh...@mi...> - 2007-05-19 13:31:39
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Restricting access based on URLs allows you to restrict who can access your service, limit the number of accesses, and track usage. You said that there are three ways to integrate Ajax and JSF. The simplest way to use this API is to do the following: Create a ScriptEngineManager object. You can usually create new variables without predetermining the variable type, and you can reuse variables to store values of different types. With the Yahoo Geocoder there may be more than one set coordinates for any given location, as is the case with a request for the locaton "Sunnyvale. Using the namesListKey variable, the script can access the namesList object. Examples throughout the remainder of this article will show how to use scripting to provide customizable Java applications for your customers. com if you could help me! If a calculation problem occurs, the script tries to restore the stack and returns a NaN value to indicate an error. In the chat example, the polling will occurs after the Servlet. That sounds easy enough, but what does the code look like? A Bindings object is a map of key-value pairs that can be accessed from within an engine. You can copy and paste the URL right into your browser or use curl to readily see the results. If an engine implements this interface, you can call or invoke specific methods or functions that the engine has already evaluated. You can used the same technique to provide fine grained access to your services and track who uses your services. You can decide when polling will happens using the CometEngine. js, and it is located under the application directory. Although this specification is beyond the scope of this article, you can find more information in the JAR File Specification. com if you could help me! So the easiest way to access objects in the scripting environment is to return them from your script procedures or make sure that your script evaluates to the desired object. Jean-Francois Arcand's Blog: The Grizzly Comet or why space shuttle Discovery launch was delayed. It can also perform data conversions to restrict the format of data that you allow to come from a third party. The service provider can still track the usage and limit access if the application key is misused. each guide useful for me. What can we do to help you guys? The Yahoo Geocoder services returns an XML document containg the coordiantes which is transformed to JSON and returned to the client. If an engine implements this interface, you can call or invoke specific methods or functions that the engine has already evaluated. It then passes the JSON content to the XMLHttpProxyServlet instance, which passes it back to the client. Calculator Class-Path: . Ease of maintenance after application release. Next Steps for the XmlHttpProxy Client The XmlHttpProxy now supports various services from Flickr, Yahoo, and RSS feeds that may be acessed using a standard HTTP or HTTPS get request. Developers might use the Java programming language and platform for any of these tasks, but scripting languages sometimes perform the job as well or better. You can decide when polling will happens using the CometEngine. Although this specification is beyond the scope of this article, you can find more information in the JAR File Specification. The session management facilities of the servlet API may easily used to track whether or not a conversation has been established. Java EE provides role based security which you can use to restrict the server side resources such as EJB components, JDBC connections, or web services that your service may expose. The Java source for the XmlHttpProxy client is part of Project jMaki and may be accessed on java. No industry standard has defined or clarified how developers can use Java class files from other programming languages. If a calculation problem occurs, the script tries to restore the stack and returns a NaN value to indicate an error. Please send me a mail and guide . HTML Syntax: Allowed on Mark A. However, if you place scripts in a relative directory on the classpath or in a well-defined absolute location that the user defines, your application can reliably find the scripts. The next couple of paragraphs will introduce the API. This code iterates through all known factories, searching for one that meets specific criteria for language name and version. It can also perform data conversions to restrict the format of data that you allow to come from a third party. I didn't update my implementation based on Greg Wilkins' proposal, but hey, this is build on top of ARP and once the Servlet EG approves Comet support, it will be easy to implement it. You said that there are three ways to integrate Ajax and JSF. Now that you've seen it please go out and use the XmlHttpProxy and let us know what you think. |