| 1 | package org.biohackathon.SPARQLBuilder.endpointMetadata;
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| 2 |
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| 3 | import java.io.File;
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| 4 | import java.util.Calendar;
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| 5 |
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| 6 | import jp.riken.accc.db.rdf.crawler.dataStructure.sparql.URICollection;
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| 7 |
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| 8 | import org.apache.jena.riot.RDFDataMgr;
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| 9 |
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| 10 | import com.hp.hpl.jena.rdf.model.Literal;
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| 11 | import com.hp.hpl.jena.rdf.model.Model;
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| 12 | import com.hp.hpl.jena.rdf.model.NodeIterator;
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| 13 | import com.hp.hpl.jena.rdf.model.Property;
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| 14 | import com.hp.hpl.jena.rdf.model.RDFNode;
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| 15 | import com.hp.hpl.jena.rdf.model.Resource;
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| 16 |
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| 17 | public class MetadataFile {
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| 18 |
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| 19 | Model model = null;
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| 20 | String endpointURI = null;
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| 21 | Calendar startDateTime = null;
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| 22 | Calendar endDateTime = null;
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| 23 | long numTriples = 0;
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| 24 | long numClasses = 0;
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| 25 |
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| 26 |
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| 27 | public long getNumTriples(){
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| 28 | return numTriples;
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| 29 | }
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| 30 |
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| 31 | public long getNumClasses(){
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| 32 | return numClasses;
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| 33 | }
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| 34 |
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| 35 | public MetadataFile(File file) throws Exception{
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| 36 | readFile(file);
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| 37 | }
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| 38 |
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| 39 | public String getEndpointURI(){
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| 40 | return endpointURI;
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| 41 | }
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| 42 |
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| 43 | public Calendar getStartDateTime(){
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| 44 | return startDateTime;
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| 45 | }
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| 46 |
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| 47 | public Calendar getEndDateTime(){
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| 48 | return endDateTime;
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| 49 | }
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| 50 |
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| 51 |
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| 52 | private void readFile(File file) throws Exception{
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| 53 | model = RDFDataMgr.loadModel(file.getAbsolutePath());
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| 54 | Property sd_endpoint = model.getProperty(URICollection.PROPERTY_SD_ENDPOINT);
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| 55 | NodeIterator nit = model.listObjectsOfProperty(sd_endpoint);
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| 56 | Resource endPointRes = null;
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| 57 | endpointURI = null;
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| 58 | if( nit.hasNext() ){
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| 59 | RDFNode endPointNode = nit.next();
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| 60 | endPointRes = endPointNode.asResource();
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| 61 | endpointURI = endPointRes.getURI();
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| 62 | }
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| 63 |
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| 64 | Property sd_default_dataset = model.getProperty(URICollection.PROPERTY_SD_DEFAULT_DATA_SET);
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| 65 | nit = model.listObjectsOfProperty(sd_default_dataset);
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| 66 | Resource defaultDataSet = null;
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| 67 | if( nit.hasNext() ){
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| 68 | RDFNode node = nit.next();
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| 69 | defaultDataSet = node.asResource();
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| 70 | }
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| 71 | // log
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| 72 | Property sbm_crawlLog = model.getProperty(URICollection.PROPERTY_SB_CRAWL_LOG);
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| 73 | nit = model.listObjectsOfProperty(sbm_crawlLog);
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| 74 | Resource crawlLogBlankNode = null;
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| 75 | if( nit.hasNext() ){
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| 76 | RDFNode node = nit.next();
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| 77 | crawlLogBlankNode = node.asResource();
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| 78 | }
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| 79 | // start
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| 80 | Property sbm_startTime = model.getProperty(URICollection.PROPERTY_SB_CRAWL_START_TIME);
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| 81 | nit = model.listObjectsOfProperty(sbm_startTime);
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| 82 | startDateTime = null;
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| 83 | if( nit.hasNext() ){
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| 84 | Literal startTimeLit = null;
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| 85 | RDFNode node = nit.next();
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| 86 | startTimeLit = node.asLiteral();
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| 87 | startDateTime = ((com.hp.hpl.jena.datatypes.xsd.XSDDateTime)(startTimeLit.getValue())).asCalendar();
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| 88 | }
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| 89 | // end
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| 90 | Property sbm_endTime = model.getProperty(URICollection.PROPERTY_SB_CRAWL_END_TIME);
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| 91 | nit = model.listObjectsOfProperty(sbm_endTime);
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| 92 | endDateTime = null;
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| 93 | if( nit.hasNext() ){
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| 94 | Literal endTimeLit = null;
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| 95 | RDFNode node = nit.next();
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| 96 | endTimeLit = node.asLiteral();
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| 97 | endDateTime = ((com.hp.hpl.jena.datatypes.xsd.XSDDateTime)(endTimeLit.getValue())).asCalendar();
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| 98 | }
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| 99 | // numTriples
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| 100 | Property void_triples = model.getProperty(URICollection.PROPERTY_VOID_TRIPLES);
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| 101 | nit = model.listObjectsOfProperty(defaultDataSet, void_triples);
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| 102 | if( nit.hasNext()){
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| 103 | Literal numTriplesLit = nit.next().asLiteral();
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| 104 | numTriples = numTriplesLit.getLong();
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| 105 | }
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| 106 | // numClasses
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| 107 | Property void_classes = model.getProperty(URICollection.PROPERTY_VOID_CLASSES);
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| 108 | nit = model.listObjectsOfProperty(defaultDataSet, void_classes);
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| 109 | if( nit.hasNext()){
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| 110 | Literal numClassesLit = nit.next().asLiteral();
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| 111 | numClasses = numClassesLit.getLong();
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| 112 | }
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| 113 | }
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| 114 |
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| 115 | }
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