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package eu.dnetlib.msro.workflows.nodes.transform;
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import java.io.IOException;
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import java.util.List;
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import javax.xml.ws.wsaddressing.W3CEndpointReference;
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import org.antlr.stringtemplate.StringTemplate;
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import org.apache.commons.io.IOUtils;
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import org.springframework.beans.factory.annotation.Required;
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import org.springframework.core.io.Resource;
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import com.googlecode.sarasvati.Arc;
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import com.googlecode.sarasvati.NodeToken;
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import eu.dnetlib.enabling.is.lookup.rmi.ISLookUpDocumentNotFoundException;
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import eu.dnetlib.enabling.is.lookup.rmi.ISLookUpException;
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import eu.dnetlib.enabling.is.lookup.rmi.ISLookUpService;
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import eu.dnetlib.enabling.locators.UniqueServiceLocator;
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import eu.dnetlib.enabling.resultset.XSLTMappedResultSetFactory;
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import eu.dnetlib.enabling.resultset.client.utils.EPRUtils;
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import eu.dnetlib.msro.rmi.MSROException;
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import eu.dnetlib.msro.workflows.nodes.SimpleJobNode;
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public class MdBuilderJobNode extends SimpleJobNode {
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private Resource mdBuilderTemplateXslt;
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private String inputEprParam;
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private String outputEprParam;
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private String datasourceId;
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private String datasourceInterface;
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private XSLTMappedResultSetFactory xsltMappedResultSetFactory;
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@javax.annotation.Resource
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private UniqueServiceLocator serviceLocator;
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@Override
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protected String execute(final NodeToken token) throws MSROException {
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final String inputEpr = token.getEnv().getAttribute(inputEprParam);
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if (inputEpr == null || inputEpr.isEmpty()) { throw new MSROException("InputEprParam (" + inputEprParam + ") not found in ENV"); }
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String xQuery = "for $x in collection('/db/DRIVER/RepositoryServiceResources/RepositoryServiceResourceType') "
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+ "return $x//INTERFACE[@id='{interfaceId}']/INTERFACE_EXTRA_FIELD[@name='metadata_identifier_path']/string()";
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xQuery = xQuery.replace("{interfaceId}", datasourceInterface);
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final ISLookUpService lookupService = serviceLocator.getService(ISLookUpService.class);
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try {
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final StringTemplate st = new StringTemplate(IOUtils.toString(getMdBuilderTemplateXslt().getInputStream()));
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st.setAttribute("xpath", lookupService.getResourceProfileByQuery(xQuery));
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st.setAttribute("datasourceId", datasourceId);
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/*
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* If namespacePrefix has been already pushed to env by some custom JobNode e.g. ObtainOpenaireDataSourceParamsJobNode then push
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* it to ST. Else: a) try to get it from EXTRAFIELDS of the datasource b) try to get it from DATASOURCE_ORIGINAL_ID of the
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* datasource c) if any of the is present, then push to ST the datasourceId
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*/
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if (token.getEnv().hasAttribute("namespacePrefix")) {
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st.setAttribute("namespacePrefix", token.getEnv().getAttribute("namespacePrefix"));
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} else {
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List<String> namespacePrefix;
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xQuery = "/*[.//RESOURCE_IDENTIFIER/@value='" + datasourceId + "']//EXTRA_FIELDS/FIELD/value[../key='NamespacePrefix']/string()";
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namespacePrefix = lookupService.quickSearchProfile(xQuery);
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if (namespacePrefix.size() != 0) {
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st.setAttribute("namespacePrefix", namespacePrefix.get(0));
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} else {
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xQuery = "/*[.//RESOURCE_IDENTIFIER/@value='" + datasourceId + "']//DATASOURCE_ORIGINAL_ID/string()";
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namespacePrefix = lookupService.quickSearchProfile(xQuery);
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if (namespacePrefix.size() != 0) {
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st.setAttribute("namespacePrefix", namespacePrefix.get(0));
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} else {
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st.setAttribute("namespacePrefix", datasourceId);
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}
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}
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}
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final W3CEndpointReference epr = xsltMappedResultSetFactory.createMappedResultSet(new EPRUtils().getEpr(inputEpr), st.toString());
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token.getEnv().setAttribute(outputEprParam, epr.toString());
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return Arc.DEFAULT_ARC;
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} catch (ISLookUpDocumentNotFoundException e) {
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throw new MSROException("Missing metadata_identifier_path extra field for ds: " + datasourceId, e);
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} catch (ISLookUpException e) {
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throw new MSROException("Error searching metadata_identifier_path extra field for ds: " + datasourceId, e);
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} catch (IOException e) {
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throw new MSROException("Error parsing template: " + getMdBuilderTemplateXslt().getFilename(), e);
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}
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}
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public String getInputEprParam() {
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return inputEprParam;
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}
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public void setInputEprParam(final String inputEprParam) {
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this.inputEprParam = inputEprParam;
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}
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public String getOutputEprParam() {
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return outputEprParam;
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}
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public void setOutputEprParam(final String outputEprParam) {
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this.outputEprParam = outputEprParam;
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}
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public XSLTMappedResultSetFactory getXsltMappedResultSetFactory() {
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return xsltMappedResultSetFactory;
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}
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public String getDatasourceId() {
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return datasourceId;
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}
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public void setDatasourceId(final String datasourceId) {
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this.datasourceId = datasourceId;
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}
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public String getDatasourceInterface() {
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return datasourceInterface;
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}
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public void setDatasourceInterface(final String datasourceInterface) {
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this.datasourceInterface = datasourceInterface;
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}
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@Required
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public void setXsltMappedResultSetFactory(final XSLTMappedResultSetFactory xsltMappedResultSetFactory) {
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this.xsltMappedResultSetFactory = xsltMappedResultSetFactory;
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}
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public Resource getMdBuilderTemplateXslt() {
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return mdBuilderTemplateXslt;
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}
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@Required
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public void setMdBuilderTemplateXslt(final Resource mdBuilderTemplateXslt) {
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this.mdBuilderTemplateXslt = mdBuilderTemplateXslt;
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}
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}
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