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package eu.dnetlib.openaire.exporter.community;
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import java.io.IOException;
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import java.nio.charset.Charset;
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import java.util.List;
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import java.util.Map;
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import java.util.Queue;
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import java.util.concurrent.LinkedBlockingQueue;
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import java.util.function.Function;
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import java.util.stream.Collectors;
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import com.google.common.collect.Lists;
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import com.google.common.escape.Escaper;
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import com.google.common.xml.XmlEscapers;
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import eu.dnetlib.OpenaireExporterConfig;
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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.openaire.exporter.context.Context;
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import eu.dnetlib.openaire.exporter.context.ContextMappingUtils;
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import org.apache.commons.io.IOUtils;
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import org.apache.commons.lang3.StringUtils;
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import org.apache.commons.logging.Log;
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import org.apache.commons.logging.LogFactory;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.cache.annotation.CacheEvict;
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import org.springframework.cache.annotation.Cacheable;
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import org.springframework.core.io.ClassPathResource;
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import org.springframework.stereotype.Component;
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/**
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* Created by claudio on 20/10/2016.
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*/
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@Component
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public class ISClientImpl implements ISClient {
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private static final Log log = LogFactory.getLog(ISClientImpl.class);
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@Autowired
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private OpenaireExporterConfig config;
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@Autowired
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private ISLookUpService isLookUpService;
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@Override
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@Cacheable("context-cache")
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public Map<String, Context> getFunderContextMap() throws IOException {
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return _processContext(
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new LinkedBlockingQueue<>(),
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_getQuery(config.getFindFunderContexts()));
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}
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@Override
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@Cacheable("context-cache")
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public Map<String, Context> getCommunityContextMap() throws IOException {
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return _processContext(
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new LinkedBlockingQueue<>(),
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_getQuery(config.getFindCommunityContexts()));
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}
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@Override
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@CacheEvict(value = "context-cache", allEntries = true)
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public void updateContextParam(final String id, final String name, final String value) {
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final Queue<Throwable> errors = Lists.newLinkedList();
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_quickSeachProfile(getXQuery(id, name, value), errors);
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if (!errors.isEmpty()) {
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errors.forEach(e -> log.error(e));
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}
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}
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@Override
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@CacheEvict(value = "context-cache", allEntries = true)
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public void updateContextAttribute(final String id, final String name, final String value) {
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final Queue<Throwable> errors = Lists.newLinkedList();
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final Escaper esc = XmlEscapers.xmlAttributeEscaper();
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_quickSeachProfile(String.format(
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"update value collection('/db/DRIVER/ContextDSResources/ContextDSResourceType')" +
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"/RESOURCE_PROFILE/BODY/CONFIGURATION/context[./@id = '%s']/@%s with '%s'", id, name, escape(esc, value)),
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errors);
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if (!errors.isEmpty()) {
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errors.forEach(e -> log.error(e));
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}
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}
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@Override
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@CacheEvict(value = "context-cache", allEntries = true)
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public void addConcept(final String id, final String categoryId, final String data) {
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final Queue<Throwable> errors = Lists.newLinkedList();
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_quickSeachProfile(String.format(
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"update insert %s into collection('/db/DRIVER/ContextDSResources/ContextDSResourceType')" +
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"/RESOURCE_PROFILE/BODY/CONFIGURATION/context[./@id = '%s']/category[./@id = '%s']", data, id, categoryId), errors);
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if (!errors.isEmpty()) {
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errors.forEach(e -> log.error(e));
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}
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}
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@Override
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@CacheEvict(value = "context-cache", allEntries = true)
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public void removeConcept(final String id, final String categoryId, final String conceptId) {
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final Queue<Throwable> errors = Lists.newLinkedList();
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_quickSeachProfile(String.format(
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"for $concept in collection('/db/DRIVER/ContextDSResources/ContextDSResourceType')" +
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"/RESOURCE_PROFILE/BODY/CONFIGURATION/context[./@id = '%s']" +
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"/category[./@id = '%s']/concept[./@id = '%s']" +
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"return update delete $concept", id, categoryId, conceptId),
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errors);
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if (!errors.isEmpty()) {
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errors.forEach(e -> log.error(e.getMessage()));
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}
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}
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/// HELPERS
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private String getXQuery(final String id, final String name, final String value) {
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final Escaper esc = XmlEscapers.xmlContentEscaper();
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if (StringUtils.isNotBlank(value)) {
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return String.format(
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"update replace collection('/db/DRIVER/ContextDSResources/ContextDSResourceType')" +
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"/RESOURCE_PROFILE/BODY/CONFIGURATION/context[./@id = '%s']/param[./@name = '%s'] with <param name='%s'>%s</param>", id, name, name,
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escape(esc, value));
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} else {
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return String.format(
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"update replace collection('/db/DRIVER/ContextDSResources/ContextDSResourceType')" +
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"/RESOURCE_PROFILE/BODY/CONFIGURATION/context[./@id = '%s']/param[./@name = '%s'] with <param name='%s'/>", id, name, name);
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}
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}
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public static String escape(final Escaper esc, final String value) {
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return StringUtils.isNotBlank(value) ? esc.escape(value) : "";
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}
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private Map<String, Context> _processContext(final Queue<Throwable> errors, final String xquery) throws IOException {
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try {
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return getContextProfiles(errors, xquery).stream()
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.filter(StringUtils::isNotBlank)
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.map(s -> ContextMappingUtils.parseContext(s, errors))
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.collect(Collectors.toMap(
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Context::getId,
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Function.identity()));
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} finally {
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if (!errors.isEmpty()) {
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log.error(errors);
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errors.forEach(e -> e.printStackTrace());
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}
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}
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}
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private List<String> getContextProfiles(final Queue<Throwable> errors, final String xquery) throws IOException {
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log.warn("getContextProfiles(): not using cache");
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return _quickSeachProfile(xquery, errors);
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}
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private String _getQuery(final ClassPathResource resource) throws IOException {
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return IOUtils.toString(resource.getInputStream(), Charset.defaultCharset());
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}
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private String _isLookUp(final String xquery) throws ISLookUpException {
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log.debug(String.format("running xquery:\n%s", xquery));
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final String res = isLookUpService.getResourceProfileByQuery(xquery);
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//log.debug(String.format("query result: %s", res));
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return res;
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}
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private List<String> _quickSeachProfile(final String xquery, final Queue<Throwable> errors) {
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final List<String> res = Lists.newArrayList();
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try {
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log.debug(String.format("running xquery:\n%s", xquery));
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final List<String> list = isLookUpService.quickSearchProfile(xquery);
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if (list != null) {
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res.addAll(list);
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}
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log.debug(String.format("query result size: %s", res.size()));
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} catch (Throwable e) {
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errors.add(e);
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return Lists.newArrayList();
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} finally {
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return res;
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}
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}
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@CacheEvict(cacheNames = { "context-cache" }, allEntries = true)
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public void dropCache() {
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log.info("dropped dsManager IS cache");
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}
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}
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