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changes.mady.by.user Bram Luyten (Atmire)

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Each importer implementation must at least implement interface org.dspace.importer.external.service.othercomponents.ImportsMetadataSource and implement the inherited methods.

One can also choose to implement class org.dspace.importer.external.service.othercomponents.SourceAbstractRemoteMetadataSource next to the Imports MetadataSource interface. This class contains functionality to handle request timeouts and to retry requests.

A third option is to implement class org.dspace.importer.external.service.AbstractImportSourceService. This class already implements both the Imports MetadataSource interface and Source class. AbstractImportSourceService has a generic type set 'RecordType'. In the importer implementation this type set should be the class of the records received from the remote source's response (e.g. when using axiom to get the records from the remote source's XML response, the importer implementation's type set isorg.apache.axiom.om.OMElement).

Implementing the AbstractImportSourceService allows the importer implementation to use the framework's build-in support to transform a record received from the remote source to an object of class *org.dspace.importer.external.datamodel.ImportRecord containing DSpace metadata fields, as explained here: Metadata mapping.

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Method getImportSource() should return a unique identifier. Importer implementations should not be called directly, but class org.dspace.importer.external.service.ImportService should be called instead. This class contains the same methods as the importer implementatonsimplementations, but with an extra parameter 'url'. This url parameter should contain the same identifier that is returned by the getImportSource() method of the importer implementation you want to use.

The other inherited methods are used to query the remote source.

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