106 lines
3.8 KiB
Java
106 lines
3.8 KiB
Java
package org.gcube.vremanagement.contextmanager;
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import static org.gcube.resources.discovery.icclient.ICFactory.clientFor;
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import static org.gcube.resources.discovery.icclient.ICFactory.queryFor;
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import java.util.LinkedList;
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import java.util.List;
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import javax.enterprise.inject.Default;
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import javax.inject.Inject;
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import javax.inject.Singleton;
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import javax.xml.bind.JAXBException;
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import org.gcube.common.resources.gcore.GenericResource;
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import org.gcube.common.scope.impl.ScopeBean;
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import org.gcube.resources.discovery.client.api.DiscoveryClient;
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import org.gcube.resources.discovery.client.queries.api.SimpleQuery;
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import org.gcube.vremanagement.contextmanager.exceptions.ContextAlreadyExistsException;
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import org.gcube.vremanagement.contextmanager.handlers.ContextContainer;
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import org.gcube.vremanagement.contextmanager.model.exceptions.InvalidContextException;
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import org.gcube.vremanagement.contextmanager.model.types.Context;
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import org.gcube.vremanagement.contextmanager.model.types.Context.Type;
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import org.gcube.vremanagement.contextmanager.model.types.ScopedResource;
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import org.slf4j.Logger;
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@Singleton
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public class ScopeInitializer {
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@Inject Logger logger;
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@Inject
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@Default
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ContextContainer contextContainer;
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public void initScope(String currentContext) {
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logger.debug("current context is {}",currentContext);
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ScopeBean currentScopeBean = new ScopeBean(currentContext);
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if (currentScopeBean.is(ScopeBean.Type.VRE)) return;
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try {
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createEntireContext(currentScopeBean);
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} catch (InvalidContextException e) {
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logger.error("invalid context {}", currentContext,e);
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return;
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}
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logger.info("resource initialization started in {} ",currentContext);
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SimpleQuery query = queryFor(GenericResource.class);
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query.addCondition("$resource/Profile/SecondaryType/text() eq 'VRE' or $resource/Profile/SecondaryType/text() eq 'VO'");
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DiscoveryClient<GenericResource> client = clientFor(GenericResource.class);
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List<GenericResource> resources = client.submit(query);
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for (GenericResource resource : resources) {
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try {
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String body = resource.profile().bodyAsString();
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ScopeDescriptor scopeDescr = ResourceBinder.get().bind("<Body>"+body+"</Body>");
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String scope = scopeDescr.context;
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try {
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Context context = createEntireContext(new ScopeBean(scope));
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for (ScopedResource res : scopeDescr.scopedResources)
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contextContainer.addResource(context.getId(), res.getId());
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} catch (InvalidContextException e) {
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logger.error("invalid context {}", scope,e);
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}
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} catch (JAXBException e) {
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logger.error("cannot unmarshal resource",e);
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}
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}
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}
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private Context createEntireContext(ScopeBean originalContextBean) throws InvalidContextException{
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LinkedList<String> contextList = new LinkedList<>();
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contextList.addFirst(originalContextBean.toString());
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ScopeBean enclosingScope = originalContextBean.enclosingScope();
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while (enclosingScope!=null) {
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logger.debug("adding scope {} to list",enclosingScope.name());
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String scope = enclosingScope.toString();
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contextList.addFirst(scope);
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enclosingScope = enclosingScope.enclosingScope();
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}
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logger.debug("context list is {}",contextList);
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Context actual = null;
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for (String context : contextList) {
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logger.debug("adding context {}",context);
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int level = context.split("/").length-2;
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String name = context.substring(context.lastIndexOf("/")+1);
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logger.debug("adding context name {} and level is {}",name,level);
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try {
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Context parentContext = actual;
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actual = new Context(parentContext,context, name, Type.values()[level]);
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contextContainer.addContext(actual);
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} catch (ContextAlreadyExistsException e) {
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logger.warn("context {} already exists", context);
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} catch (InvalidContextException ice) {
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logger.warn(ice.getMessage());
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}
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}
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return actual;
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}
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}
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