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package eu.dnetlib.enabling.tools.registration;
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import java.util.ArrayList;
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import java.util.List;
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import javax.annotation.PostConstruct;
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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.beans.factory.annotation.Required;
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import eu.dnetlib.clients.ISLookUpClient;
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import eu.dnetlib.conf.ContainerConfiguration;
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import eu.dnetlib.services.BaseService;
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public class ServiceRegistrationManager {
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private static final Log log = LogFactory.getLog(ServiceRegistrationManager.class);
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@Autowired
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private ISLookUpClient isLookup;
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private ServiceRegistrator registrator;
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private boolean disabled = false;
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@Autowired(required = false)
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private List<BaseService> services = new ArrayList<>();
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@Autowired
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private ContainerConfiguration containerConfiguration;
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@PostConstruct
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public void registerAllServices() {
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if (disabled) { return; }
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disabled = true;
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services.stream()
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.filter(this::filterService)
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.forEach(this::registerService);
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}
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/**
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* check if we have already a registered service profile for this service.
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*
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* @throws
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*/
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private boolean filterService(final BaseService service) {
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try {
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final String query = "for $x in //RESOURCE_PROFILE[.//RESOURCE_URI/@value='" + containerConfiguration.getUrl() + "']"
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+ " where contains($x//RESOURCE_TYPE/@value/string(), 'Service') return $x//RESOURCE_IDENTIFIER/@value/string()";
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final List<String> profIds = isLookup.find(query);
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if (profIds.isEmpty()) {
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log.debug("there is no service registered for service: " + service.getServiceType());
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return true;
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} else {
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service.setProfileId(profIds.get(0));
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return false;
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}
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} catch (final Throwable e) {
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log.error("Error filtering endpoint", e);
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disabled = false;
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return false;
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}
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}
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private void registerService(final BaseService service) {
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try {
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final String profId = registrator.registerService(service, containerConfiguration.getUrl());
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service.setProfileId(profId);
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} catch (final Throwable e) {
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log.error("Error registering endpoint", e);
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disabled = false;
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}
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}
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public ServiceRegistrator getRegistrator() {
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return registrator;
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}
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@Required
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public void setRegistrator(final ServiceRegistrator registrator) {
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this.registrator = registrator;
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}
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public boolean isDisabled() {
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return disabled;
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}
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}
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