Monday, June 2, 2008
Web Applications Services - How To Use
A Web application Service Arizona Lemon Laws defined by the accident at work compensation claim as a software system designed to support Machine to Machine (M2M) interaction over a Internet i.e. Network. Web services are just Web APIs that can be accessed over a network, such as the Internet, and executed on a remote system hosting the requested services also.
The W3C Web service definition encompasses many different systems, but in common usage the term refers to client and server that communicate IRS lawyer some types of messages that follow the SOAP standard. Common in both the field and the terminology is the assumption that there is also a machine readable description of the operations supported by the server written in the WSDL(Web Services Description Language).
The latter is not a requirement of a SOAP endpoint, but it is a prerequisite for automated client-side code generation in many Java and .Net OAP frameworks (frameworks such as Spring and Apache CFX being notable exceptions). Some industry organizations, such as the WS-I mandate both SOAP and WSDL in their definition of a Web service.
A new outline of web site design proceeds to use of web applications services more and more. The target of this article is to show some possibilities of their usage. Usually, services providing content for web pages are included into their code. The integration of other sources is possible in a few different ways:
by i-Frame (Inline frame)
By Using Framesets
by Using Ajax
and using server technologies
Web applications integration
Inline-frame
The integration by using the inline frame i-frame technology is quite easy and does not require much special knowledge. A webmaster (or an editor) only needs to know where to include the content, the expected size and the URL.
Frameset
Framesets should be used only when it is not possible to do it the other way. Frames are necessary in some of internet applications, because they lower data flows' volume. A good example of such an application is an internet chat. In spite of that, there are AJAX techniques, which are able to avoid the use of framesets.
AJAX
AJAX and JavaScript technology is one of the most modern ways how to enrich a functionality of web applications. The term AJAX for Asynchronous JavaScript and XML has been used for the first time on February 2005, though JavaScript had supported asynchronous requests already since 2004.
AJAX uses XML Http Request object (XHR) for remote calls for data. It is used in some well known services like Goggle's Gmail, Mambo, Goggle Maps, Windows Live's Virtual Earth or the Map Quest. Unfortunately this technology has a lot of versions (like HTML) and therefore there were attempts to standardize it's functionality and many projects supporting object-like look of JavaScript like Prototype's or ASP.net AJAX had arised.
This technology has one security-based restriction against iframe or framesets. That is an unavailability of pages (data) not located at the same web server (or even in the same URL path).
Server technologies
Restriction of AJAX still can be suppressed by the use of server-side techniques. Server programming languages can read remote web pages too. ASP Example:
In combination of server-side and client-side methods, there is a chance for building interactive web sites rich in user supporting elements.
With a server programming interaction, several web application services have been prepared. We would like to present some of our own solutions.
Examples of services for web sites:
a short message service support
a meteorological forecast
calendar services
rss feeds
RSS feeds:
The RSS service has four different versions up to now. These are versions 0.9, 0.9x, 1.0 and 2.0. Every home refinance bad credit has its own specifics, but all of them are based on XML. The 1.0 version is applied using RDF. The simplest versions for developers are 0.9x and 2.0. Those are using a light XML code and are the easiest to understand.
Syndication has different types of use, but always it is connected with some types of readers. There are AJAX readers like Google Reader, PHP and ASP readers or even standalone applications.
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