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Merged in DSC-1631 (pull request DSpace#2014)
DSC-1631 Alternative names in submission & multiple affiliation handling
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dspace-api/src/main/java/org/dspace/discovery/ObjectNameIndexPlugin.java
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|---|---|---|
| @@ -0,0 +1,69 @@ | ||
| /** | ||
| * The contents of this file are subject to the license and copyright | ||
| * detailed in the LICENSE and NOTICE files at the root of the source | ||
| * tree and available online at | ||
| * | ||
| * http://www.dspace.org/license/ | ||
| */ | ||
| package org.dspace.discovery; | ||
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| import java.util.List; | ||
| import java.util.stream.Collectors; | ||
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| import org.apache.solr.common.SolrInputDocument; | ||
| import org.dspace.content.Item; | ||
| import org.dspace.content.MetadataValue; | ||
| import org.dspace.content.service.ItemService; | ||
| import org.dspace.core.Context; | ||
| import org.springframework.beans.factory.annotation.Autowired; | ||
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| /** | ||
| * Implementation of {@link ObjectNameIndexPlugin} which indexes the objectname | ||
| * to retrieve alternatives | ||
| * | ||
| * @author Stefano Maffei at 4science.com | ||
| * | ||
| */ | ||
| public class ObjectNameIndexPlugin implements SolrServiceIndexPlugin { | ||
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| @Autowired | ||
| private ItemService itemService; | ||
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| public static String OBJECT_NAME_INDEX = "objectname"; | ||
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| public static List<String> fields; | ||
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| @SuppressWarnings("rawtypes") | ||
| @Override | ||
| public void additionalIndex(Context context, IndexableObject dso, SolrInputDocument document) { | ||
| if (!(dso.getIndexedObject() instanceof Item)) { | ||
| return; | ||
| } | ||
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| Item item = (Item) dso.getIndexedObject(); | ||
| List<String> metadataValues = getMetadataValues(item, fields); | ||
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| metadataValues.forEach(textValue -> document.addField(OBJECT_NAME_INDEX, textValue)); | ||
| } | ||
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| private List<String> getMetadataValues(Item item, List<String> metadataFields) { | ||
| return metadataFields.stream() | ||
| .flatMap(metadataField -> getMetadataValues(item, metadataField).stream()) | ||
| .collect(Collectors.toList()); | ||
| } | ||
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| private List<String> getMetadataValues(Item item, String metadataField) { | ||
| return itemService.getMetadataByMetadataString(item, metadataField).stream() | ||
| .map(MetadataValue::getValue) | ||
| .collect(Collectors.toList()); | ||
| } | ||
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| public static List<String> getFields() { | ||
| return fields; | ||
| } | ||
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| public static void setFields(List<String> fields) { | ||
| ObjectNameIndexPlugin.fields = fields; | ||
| } | ||
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| } |
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