Web Services tools
Web services are simple, self contained applications which perform functions, from simple requests to complicated business processes. The "web services" model uses WSDL, UDDI and SOAP/XMLP. A WSDL description is retrieved from the UDDI directory. WSDL descriptions allow the software systems of one business to extend to use those of the other directly. The services are invoked over the World Wide Web using the SOAP/XMLP protocol. Each of the components is XML based.
From : www.agimo.gov.au/publications/2005/04/agtifv2/glossary
Apache XML-RPC
Apache XML-RPC is a Java implementation of XML-RPC, a popular protocol that uses XML over HTTP to implement remote procedure calls.
Version 3 of Apache XML-RPC is still compliant to the XML-RPC specification. However, the user may enable several vendor extensions are available, that greatly extend the power of XML-RPC:
- All primitive Java types are supported, including long, byte, short, and double.
- Calendar objects are supported. In particular, timezone settings, and milliseconds may be sent.
- DOM nodes, or JAXB objects, can be transmitted. So are objects implementing the java.io.Serializable interface.
- Both server and client can operate in a streaming mode, which preserves resources much better than the default mode, which is based on large internal byte arrays.
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