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AXIS SOAP Engine

Axis is basically a SOAP engine; a framework for constructing SOAP processors such as clients, servers, gateways, etc.

The current version of Axis is written in Java, but a C++ implementation of the client side of Axis is also being developed.

In addition to acting as a SOAP engine, Axis also includes:

a simple stand-alone server,
a server which plugs into servlet engines such as Tomcat,
extensive support for the Web Service Description Language (WSDL),
emitter tooling that generates Java classes from WSDL.
sample programs and a tool for monitoring TCP/IP packets

Axis is the third generation of Apache SOAP to handle both SOAP and the upcoming XML Protocol specification from the W3C.

Axis Features

Key features of Axis include:

Speed - Axis uses SAX (event-based) parsing to acheive significantly greater speed than earlier versions of Apache SOAP.

Flexibility - the Axis architecture gives the developer complete freedom to insert extensions into the engine for custom header processing, system management, or anything else you can imagine.

Stability - Axis defines a set of published interfaces which change relatively slowly compared to the rest of Axis.

Component-oriented deployment - can easily define reusable networks of Handlers to implement common patterns of processing for your applications, or to distribute to partners.

Transport framework - a clean and simple abstraction for designing transports (i.e., senders and listeners for SOAP over various protocols such as SMTP, FTP, message-oriented middleware, etc), and the core of the engine is completely transport-independent.

WSDL support - supports WSDL version 1.1, which allows you to easily build stubs to access remote services, and also to automatically export machine-readable descriptions of your deployed services from Axis.

For more information on SOAP and AXIS

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