114 lines
3.8 KiB
Java
114 lines
3.8 KiB
Java
package eu.dnetlib.openaire.context;
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import java.io.IOException;
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import java.util.List;
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import java.util.Map;
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import java.util.stream.Collectors;
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import java.util.stream.Stream;
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import org.apache.commons.lang3.StringUtils;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
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import org.springframework.stereotype.Component;
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import com.google.common.base.Splitter;
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import com.google.common.collect.Lists;
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import eu.dnetlib.openaire.common.ISClient;
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@Component
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@ConditionalOnProperty(value = "openaire.exporter.enable.context", havingValue = "true")
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public class ContextApiCore {
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private static final String SEPARATOR = "::";
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@Autowired
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private ISClient isClient;
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public List<ContextSummary> listContexts(final List<String> type) throws ContextException {
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return getContextMap(type).values()
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.stream()
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.map(c -> new ContextSummary()
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.setId(c.getId())
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.setType(c.getType())
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.setLabel(c.getLabel())
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.setStatus(c.getParams().containsKey("status") ? c.getParams().get("status").get(0).getValue() : ""))
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.collect(Collectors.toList());
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}
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public List<CategorySummary> listCategories(final String contextId, final Boolean all) throws ContextException {
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final Stream<Category> categories = getContextMap().get(contextId).getCategories().values().stream();
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return all ? asCategorySummaries(categories) : asCategorySummaries(categories.filter(Category::isClaim));
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}
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private List<CategorySummary> asCategorySummaries(final Stream<Category> categories) {
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return categories
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.map(c -> new CategorySummary()
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.setId(c.getId())
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.setLabel(c.getLabel())
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.setHasConcept(c.hasConcepts()))
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.collect(Collectors.toList());
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}
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public List<ConceptSummary> listConcepts(final String categoryId, final Boolean all) throws ContextException {
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final String contextId = StringUtils.substringBefore(categoryId, SEPARATOR);
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final Stream<Concept> concepts = getContextMap().get(contextId)
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.getCategories()
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.get(categoryId)
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.getConcepts()
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.stream();
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return all ? asConceptSummaries(concepts) : asConceptSummaries(concepts.filter(Concept::isClaim));
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}
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private List<ConceptSummary> asConceptSummaries(final Stream<Concept> concepts) {
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return concepts
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.map(c -> new ConceptSummary()
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.setId(c.getId())
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.setLabel(c.getLabel())
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.setHasSubConcept(c.hasSubConcepts()))
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.collect(Collectors.toList());
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}
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public List<ConceptSummary> listSubConcepts(final String conceptId, final Boolean all) throws ContextException {
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final List<String> ids = Splitter.on(SEPARATOR).splitToList(conceptId);
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if (ids.size() < 3) { throw new ContextException(""); }
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final String contextId = ids.get(0);
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final String categoryId = contextId + SEPARATOR + ids.get(1);
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final Stream<Concept> concepts = getContextMap().get(contextId)
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.getCategories()
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.get(categoryId)
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.getConcepts()
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.stream()
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.filter(c -> conceptId.equals(c.getId()));
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return all ? mapConcepts(concepts.filter(Concept::isClaim).collect(Collectors.toList())) : mapConcepts(concepts.collect(Collectors.toList()));
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}
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private List<ConceptSummary> mapConcepts(final List<Concept> concepts) {
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if (concepts == null || concepts.isEmpty()) { return null; }
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return concepts.stream()
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.map(c -> new ConceptSummary()
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.setId(c.getId())
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.setLabel(c.getLabel())
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.setHasSubConcept(c.hasSubConcepts())
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.setConcept(mapConcepts(c.getConcepts())))
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.collect(Collectors.toList());
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}
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private Map<String, Context> getContextMap() throws ContextException {
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return getContextMap(Lists.newArrayList());
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}
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private Map<String, Context> getContextMap(final List<String> type) throws ContextException {
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try {
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return isClient.getContextMap(type);
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} catch (final IOException e) {
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throw new ContextException(e);
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}
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}
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}
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