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Merge pull request #37 from agentlab/Baeva
Добавление данных в репозиторий без учета контекста
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.../src/main/java/org/eclipse/rdf4j/http/server/repository/AddDataToRepositoryComponent.java
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package org.eclipse.rdf4j.http.server.repository; | ||
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import org.eclipse.rdf4j.model.IRI; | ||
import org.eclipse.rdf4j.model.ValueFactory; | ||
import org.eclipse.rdf4j.repository.Repository; | ||
import org.eclipse.rdf4j.repository.RepositoryConnection; | ||
import org.eclipse.rdf4j.repository.RepositoryException; | ||
import org.eclipse.rdf4j.repository.config.ConfigTemplate; | ||
import org.eclipse.rdf4j.repository.config.RepositoryConfig; | ||
import org.eclipse.rdf4j.repository.manager.RepositoryManager; | ||
import org.eclipse.rdf4j.rio.RDFFormat; | ||
import org.osgi.service.component.annotations.Component; | ||
import org.osgi.service.component.annotations.Reference; | ||
import org.slf4j.Logger; | ||
import org.slf4j.LoggerFactory; | ||
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import javax.ws.rs.PUT; | ||
import javax.ws.rs.Path; | ||
import javax.ws.rs.PathParam; | ||
import javax.ws.rs.QueryParam; | ||
import javax.ws.rs.core.Context; | ||
import javax.ws.rs.core.UriInfo; | ||
import java.io.ByteArrayInputStream; | ||
import java.io.IOException; | ||
import java.io.InputStream; | ||
import java.util.HashMap; | ||
import java.util.Map; | ||
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@Path("/rdf4j2-server") | ||
@Component(service = AddDataToRepositoryComponent.class, property = { "osgi.jaxrs.resource=true" }) | ||
public class AddDataToRepositoryComponent { | ||
@Reference | ||
private RepositoryManager repositoryManager; | ||
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@Reference | ||
RepositoryConfigController rcc; | ||
public AddDataToRepositoryComponent(){ | ||
System.out.println("NewComponent started!"); | ||
} | ||
private final Logger logger = LoggerFactory.getLogger(this.getClass()); | ||
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@PUT | ||
@Path("/repositories/{repId}/statements") | ||
public Object method(@Context UriInfo uriInfo, | ||
@PathParam("repId") String repId, | ||
@QueryParam("context") String context, | ||
@QueryParam("baseURI") IRI baseURI, | ||
String body) throws RepositoryException, IOException { | ||
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ConfigTemplate ct = rcc.getConfigTemplate("native"); | ||
System.out.println("ConfigTemplate: " + ct); | ||
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Map<String, String> queryParams = new HashMap<>(); | ||
queryParams.put("Repository ID", repId); | ||
String strConfTemplate = ct.render(queryParams); | ||
System.out.println("ConfigTemplate render: " + strConfTemplate); | ||
RepositoryConfig rc = rcc.updateRepositoryConfig(strConfTemplate); | ||
System.out.println("RepositoryConfig.id: " + rc.getID()); | ||
System.out.println("RepositoryConfig: " + rc.toString()); | ||
for (String s : repositoryManager.getRepositoryIDs()) { | ||
System.out.println(s); | ||
} | ||
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Repository repository = null; | ||
try { | ||
System.out.println("Ищем в менеджере \"" + repId + "\""); | ||
repository = repositoryManager.getRepository(repId); | ||
} catch (Exception e) { | ||
logger.debug("Не получили репозиторий из менеджера"); | ||
e.printStackTrace(); | ||
} | ||
try { | ||
repository.init(); | ||
} catch (Exception e) { | ||
logger.debug("Не проинициализировался репозиторий."); | ||
e.printStackTrace(); | ||
} | ||
RepositoryConnection repositoryCon = null; | ||
try { | ||
repositoryCon = repository.getConnection(); | ||
} catch (Exception e) { | ||
logger.debug("Не создалось подключение к репозиторию."); | ||
e.printStackTrace(); | ||
} | ||
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ValueFactory vf = repository.getValueFactory(); | ||
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System.out.println("uriInfo = " + uriInfo); | ||
System.out.println("repId=" + repId); | ||
System.out.println("context=" + context); | ||
System.out.println("baseURI=" + baseURI); | ||
System.out.println("body=" + body); | ||
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if (baseURI == null) { | ||
baseURI = vf.createIRI("foo:bar"); | ||
} | ||
try { | ||
repositoryCon.begin(); | ||
InputStream in = new ByteArrayInputStream(body.getBytes()); | ||
repositoryCon.add(in, baseURI.toString(), RDFFormat.RDFXML); | ||
repositoryCon.commit(); | ||
System.out.println("Данные успешно добавлены! Successful"); | ||
} catch (Exception e) { | ||
repositoryCon.rollback(); | ||
logger.debug("Данные не добавлены! Fail."); | ||
e.printStackTrace(); | ||
} | ||
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repositoryCon.close(); | ||
return null; | ||
} | ||
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} |