Difference between revisions of "Web Services"
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==[[WSDL Documents]]== | ==[[WSDL Documents]]== | ||
+ | An WSDL document describes a web service. It specifies the location of the service, and the methods of the service, using these major elements: | ||
+ | <source> | ||
+ | Element Description | ||
+ | <types> Defines the (XML Schema) data types used by the web service | ||
+ | <message> Defines the data elements for each operation | ||
+ | <portType> Describes the operations that can be performed and the messages involved. | ||
+ | <binding> Defines the protocol and data format for each port type | ||
+ | </source> | ||
+ | |||
==[[SOAP]]== | ==[[SOAP]]== | ||
===SOAP - Message Structure=== | ===SOAP - Message Structure=== |
Revision as of 03:25, 7 June 2018
WSDL Documents
An WSDL document describes a web service. It specifies the location of the service, and the methods of the service, using these major elements:
Element Description
<types> Defines the (XML Schema) data types used by the web service
<message> Defines the data elements for each operation
<portType> Describes the operations that can be performed and the messages involved.
<binding> Defines the protocol and data format for each port type
SOAP
SOAP - Message Structure
A SOAP message is an ordinary XML document containing the following elements −
Envelope − Defines the start and the end of the message. It is a mandatory element.
Header − Contains any optional attributes of the message used in processing the message, either at an intermediary point or at the ultimate end-point. It is an optional element.
Body − Contains the XML data comprising the message being sent. It is a mandatory element.
Fault − An optional Fault element that provides information about errors that occur while processing the message.