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Generisches Import-Plugin für JSON-Dateien

Dieses generische Import-Plugin erlaubt den Massenimport von Daten aus JSON-Dateien

Übersicht

Einführung

Dieses dies die technische Dokumentation für das Workflow-Plugin für Goobi workflow, das dazu dient, Metadaten aus mehreren JSON-Dateien auszulesen und darauf Vorgänge zu erstellen.

Installation

Zur Installation des Plugins müssen folgende beiden Dateien installiert werden:

/opt/digiverso/goobi/plugins/workflow/plugin-intranda-workflow-import-json-base.jar
/opt/digiverso/goobi/plugins/GUI/plugin-intranda-workflow-import-json-gui.jar

Um zu konfigurieren, wie sich das Plugin verhalten soll, können verschiedene Werte in der Konfigurationsdatei angepasst werden. Die Konfigurationsdatei befindet sich üblicherweise hier:

/opt/digiverso/goobi/config/plugin_intranda_workflow_import_json.xml

Konfiguration

Der Inhalt der Konfigurationsdatei sieht wie folgt aus:

<config_plugin>
	<!-- folder that contains the json files -->
	<jsonFolder>/opt/digiverso/goobi/import/</jsonFolder>

	<!-- folder used to hold the downloaded images temporarily -->
	<importFolder>/opt/digiverso/goobi/tmp/</importFolder>

	<!-- which workflow to use -->
	<workflow>Sample_Workflow</workflow>

	<!-- which publication type to use -->
	<publicationType>Monograph</publicationType>

	<!-- URL types that hold downloadable resources, could be none or multiple -->
	<downloadableUrl>GizaPhotosMain</downloadableUrl>
	<downloadableUrl>GizaPrimaryDisplayMain</downloadableUrl>

	<!-- whether or not to save the partner url, DEFAULT false -->
	<partnerUrl save="true">
		<!-- at most one urlBase should be configured, DEFAULT "" -->
		<urlBase>giza.fas.harvard.edu</urlBase>
		<!-- there could be multiple urlParts-->
		<urlPart>$._type</urlPart>
		<urlPart>$._id</urlPart>
		<!-- at most one urlTail should be configured, DEFAULT "" -->
		<urlTail>full</urlTail>
		<!-- MetadataType that is to hold the value of the partner url -->
		<urlMetadata>GizaPartnerUrl</urlMetadata>
	</partnerUrl>

	<!-- same source could be used multiple times for different MetadataTypes -->
	<metadata source="$._source.id" target="TitleDocMain" />
	<metadata source="$._source.id" target="CatalogIDDigital" />
	<!-- source that does not start with $ or @ will be regarded as value -->
	<metadata source="Giza" target="singleDigCollection" />
	<!-- source that ends with [:] is an array -->
	<metadata source="$._source.allnumbers[:]" target="GizaAllNumbers" />

	<!-- group is for MetadataGroups, there could be multiple -->
	<!-- no need to add the [:] to the end of @source -->
	<!-- @type is the name of the MetadataGroupType -->
	<group source="$._source.sitedates" type="GizaSiteDatesGroup">
		<!-- source that starts with @ will be regarded as relative json path -->
		<metadata source="@.type" target="GizaSiteDateType" />
		<metadata source="@.date" target="GizaSiteDate" />
	</group>

	<!-- @altType is the name of an alternative MetadataGroupType, which will be used to create another MetadataGroup for all items that are filtered out. OPTIONAL. -->
	<!-- @key is the filtering key that is used to retrieve the value from the JSONObject. OPTIONAL. -->
	<!-- @value is used to compare with the value retrieved from the JSONObject. OPTIONAL. DEFAULT "". -->
	<!-- @method defines the logic for comparing values. Options are is, not, startsWith, endsWith, contains. OPTIONAL. DEFAULT 'is'. -->
	<group source="$._source.relateditems.modernpeople" type="ModernPeopleGroup" altType="_ModernPeopleGroupHidden" key="role" value="Excavator" method="is">
		<metadata source="@.role" target="GizaModernPeopleRole" />
		<!-- same source could be used multiple times for different MetadataTypes -->
		<metadata source="@.id" target="GizaModernPeopleId" />
		<metadata source="@.id" target="GizaModernPeopleId2" />
	</group>

	<!-- if no @altType is configured, then all items that are filtered out will not be imported. -->
	<group source="$._source.relateditems.ancientpeople" type="AncientPeopleGroup" key="role" value="Tomb Owner">
		<metadata source="@.role" target="GizaAncientPeopleRole" />
		<metadata source="@.id" target="GizaAncientPeopleId" />
	</group>

	<!-- child is for child DocStructs, there could be multiple -->
	<!-- no need to add the [:] to the end of @source-->
	<!-- the attributes @key, @value, @method are the same as in group -->
	<!-- there is NO @altType attribute for child, all items that are filtered out will not be imported -->
	<child source="$._source.relateditems.photos" type="GizaPhoto" key="number" value="KHM_AEOS_" method="startsWith">
		<!-- same source could be used multiple times for different MetadataTypes -->
		<metadata source="@.drs_id" target="GizaPhotosDrsId" />
		<metadata source="@.drs_id" target="CatalogIDDigital" />
	</child>

</config_plugin>

Die Konfiguration des Plugins gestaltet sich wie folgt:

Konfiguration der Attribute eines MetadataGroups

Die folgenden Attribute können in einem group-Element konfiguriert werden:

Konfiguration der Attribute eines DocStructs als Kind

Die folgenden Attribute können in einem child-Element konfiguriert werden:

Konfiguration des Metadatums für den URL des Partners

Es gibt eine Möglichkeit, ein Metadatum für die URL des Partners zu erzeugen und zu speichern. Die zu erzeugende URL wird wie folgt festlegt: {urlBase}/{urlPart_1}/{urlPart_2}/.../{urlPart_k}/{urlTail}/

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