85 lines
2.9 KiB
Java
85 lines
2.9 KiB
Java
/**
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*
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*/
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package org.gcube.datatransfer.resolver.catalogue.resource;
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import static org.gcube.resources.discovery.icclient.ICFactory.client;
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import java.io.StringReader;
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import java.util.List;
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import javax.xml.parsers.DocumentBuilder;
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import javax.xml.parsers.DocumentBuilderFactory;
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import org.gcube.common.resources.gcore.utils.XPathHelper;
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import org.gcube.common.scope.api.ScopeProvider;
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import org.gcube.datatransfer.resolver.applicationprofile.ApplicationProfileNotFoundException;
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import org.gcube.resources.discovery.client.api.DiscoveryClient;
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import org.gcube.resources.discovery.client.queries.api.Query;
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import org.gcube.resources.discovery.client.queries.impl.QueryBox;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import org.w3c.dom.Node;
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import org.xml.sax.InputSource;
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/**
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* The Class CkanPorltetApplicationProfile.
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*
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* @author Francesco Mangiacrapa francesco.mangiacrapa@isti.cnr.it
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* May 16, 2017
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*/
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public class CkanPorltetApplicationProfile {
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private static final Logger logger = LoggerFactory.getLogger(CkanPorltetApplicationProfile.class);
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private final static String APPLICATION_PROFILE_NAME = "CkanPortlet";
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/**
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* Gets the portlet url from infrastrucure.
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*
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* @return the portlet url from infrastrucure
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* @throws Exception the exception
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*/
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public static String getPortletUrlFromInfrastrucure() throws Exception {
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String scope = ScopeProvider.instance.get();
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logger.debug("Trying to fetch applicationProfile profile from the infrastructure for " +
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APPLICATION_PROFILE_NAME + " scope: " + scope);
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try {
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Query q =
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new QueryBox(
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"for $profile in collection('/db/Profiles/GenericResource')//Resource " +
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"where $profile/Profile/SecondaryType/string() eq 'ApplicationProfile' and $profile/Profile/Name/string() " +
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" eq '" +
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APPLICATION_PROFILE_NAME +
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"'" +
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"return $profile");
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DiscoveryClient<String> client = client();
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List<String> appProfile = client.submit(q);
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if (appProfile == null || appProfile.size() == 0)
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throw new ApplicationProfileNotFoundException(
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"Your applicationProfile is not registered in the infrastructure");
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else {
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String elem = appProfile.get(0);
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DocumentBuilder docBuilder =
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DocumentBuilderFactory.newInstance().newDocumentBuilder();
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Node node = docBuilder.parse(new InputSource(new StringReader(elem))).getDocumentElement();
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XPathHelper helper = new XPathHelper(node);
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List<String> currValue = null;
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currValue =
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helper.evaluate("/Resource/Profile/Body/url/text()");
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if (currValue != null && currValue.size() > 0) {
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logger.debug("CKAN Portlet url found is " + currValue.get(0));
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return currValue.get(0);
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}
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}
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}
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catch (Exception e) {
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throw new Exception("Error while trying to fetch applicationProfile profile for name "+APPLICATION_PROFILE_NAME+"from the infrastructure, using scope: "+scope);
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}
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return null;
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}
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}
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