Difference between revisions of "Web Services"

Line 2: Line 2:
  
 
==[[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.