CollectionDataProvider

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Revision as of 16:34, 9 November 2012 by Anonymous (talk)
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Description

This DataProvider, reads an XML with a pull/push parser and executes fields bound to xml events. At the moment, only pull parser is handled, using the AXIOM implementation. Called fields are the following:

  • START_DOCUMENT
  • END_DOCUMENT
  • NAMESPACE
  • PROCESSING_INSTRUCTION
  • ENTITY_REFERENCE
  • DTD
  • ATTRIBUTE
  • START_ELEMENT
  • END_ELEMENT
  • CHARACTERS

In addition to 'input' and 'output' variables, following are bound to the context of expressions:

  • environment: an helper map to pass objects between field;
  • parser: the pull/push parser.

GreenVulcano® ESB Configuration

The following table shows the CollectionDataProvider element's attributes:

Attribute Type Description
name required The attribute's value cannot be null.
type fixed This attribute must assume the value dataProvider.
class fixed This attribute must assume the value it.greenvulcano.gvesb.gvdp.impl.CollectionDataProvider.
source-selector optional OGNL expression to provide the root object to be passed to the expression stated in the 'Field' items.

Might contain one or more sub-element Field.