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package eu.dnetlib.enabling.is.store;
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import java.io.IOException;
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import java.io.StringWriter;
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import java.net.URL;
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import javax.xml.parsers.ParserConfigurationException;
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import javax.xml.xpath.XPathExpressionException;
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import org.apache.commons.io.FilenameUtils;
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import org.apache.commons.io.IOUtils;
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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.Required;
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import org.xml.sax.SAXException;
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import eu.dnetlib.enabling.is.registry.rmi.ISRegistryException;
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import eu.dnetlib.enabling.is.registry.rmi.ISRegistryService;
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import eu.dnetlib.enabling.tools.ServiceLocator;
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import eu.dnetlib.enabling.tools.StreamOpaqueResource;
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/**
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* Abstract resource loading code.
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*
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* @author marko, michele
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*
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*/
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public class AbstractContentInitializer {
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/**
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* logger.
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*/
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private static final Log log = LogFactory.getLog(AbstractContentInitializer.class); // NOPMD by marko on 11/24/08 5:02 PM
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/**
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* store service locator.
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*/
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private ServiceLocator<ISRegistryService> registryLocator;
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/**
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* helper class used to bypass the registry and import resources as-is from a backup dump.
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*/
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private BulkResourceImporter bulkImporter;
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private int timeToSleep;
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/**
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* register a schema from a local resource.
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*
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* @param url
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* url
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* @throws IOException
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* happens
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* @throws ISRegistryException
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* could happen
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*/
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protected void registerSchema(final URL url) throws IOException, ISRegistryException {
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final String resourceType = FilenameUtils.getBaseName(url.getPath());
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log.debug("registering schema: " + resourceType);
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final StringWriter writer = new StringWriter();
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IOUtils.copy(url.openStream(), writer);
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ISRegistryService service = null;
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while (service == null) {
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try {
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service = registryLocator.getService();
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service.addResourceType(resourceType, writer.getBuffer().toString());
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log.info("The is registry service is ready ");
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} catch (Exception e) {
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log.fatal("The is registry service is not ready ", e);
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try {
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Thread.sleep(timeToSleep);
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} catch (InterruptedException e1) {
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log.error(e1);
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}
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}
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}
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}
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/**
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* register a profile from a local resource.
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*
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* @param url
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* url
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* @throws IOException
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* could happen
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* @throws ISRegistryException
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* could happen
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* @throws ParserConfigurationException
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* could happen
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* @throws SAXException
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* could happen
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* @throws XPathExpressionException
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* could happen
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*/
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protected void registerProfile(final URL url) throws IOException, ISRegistryException, XPathExpressionException, SAXException, ParserConfigurationException {
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log.debug("registering profile: " + url);
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bulkImporter.importResource(new StreamOpaqueResource(url.openStream()));
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}
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public void setRegistryLocator(final ServiceLocator<ISRegistryService> registryLocator) {
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this.registryLocator = registryLocator;
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}
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public ServiceLocator<ISRegistryService> getRegistryLocator() {
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return registryLocator;
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}
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@Required
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public void setBulkImporter(final BulkResourceImporter bulkImporter) {
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this.bulkImporter = bulkImporter;
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}
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public BulkResourceImporter getBulkImporter() {
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return bulkImporter;
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}
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/**
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* @return the timeToSleep
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*/
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public int getTimeToSleep() {
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return timeToSleep;
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}
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/**
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* @param timeToSleep
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* the timeToSleep to set
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*/
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@Required
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public void setTimeToSleep(final int timeToSleep) {
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this.timeToSleep = timeToSleep;
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}
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}
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