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gcubedatacatalogue-metadata-discovery
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4184: Create datacatalogue-metadata-discovery library 

Task-Url: https://support.d4science.org/issues/4184

DataCatalogueMetadataFormatReader completed

git-svn-id: https://svn.d4science.research-infrastructures.eu/gcube/trunk/data-catalogue/gcubedatacatalogue-metadata-discovery@129014 82a268e6-3cf1-43bd-a215-b396298e98cf
This commit is contained in:
Francesco Mangiacrapa 2016-06-08 10:14:15 +00:00
parent fc1993dd43
commit 65b39783b3
9 changed files with 261 additions and 74 deletions
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10
src/main/java/org/gcube/datacatalogue/metadatadiscovery/DataCalogueDiscovery.java
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@ -1,10 +0,0 @@
package org.gcube.datacatalogue.metadatadiscovery;
/**
* Entry point classes define <code>onModuleLoad()</code>.
*/
public class DataCalogueDiscovery {
}

82
src/main/java/org/gcube/datacatalogue/metadatadiscovery/DataCalogueMetadataFormatReader.java Normal file
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@ -0,0 +1,82 @@
package org.gcube.datacatalogue.metadatadiscovery;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import org.gcube.common.scope.api.ScopeProvider;
import org.gcube.common.scope.impl.ScopeBean;
import org.gcube.datacatalogue.metadatadiscovery.bean.MetadataType;
import org.gcube.datacatalogue.metadatadiscovery.bean.jaxb.MetadataFormat;
import org.gcube.datacatalogue.metadatadiscovery.reader.MedataFormatDiscovery;
import org.gcube.datacatalogue.metadatadiscovery.reader.MedataFormatReader;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* The Class DataCalogueMetadataReader.
*
* @author Francesco Mangiacrapa francesco.mangiacrapa@isti.cnr.it
* Jun 8, 2016
*/
public class DataCalogueMetadataFormatReader implements DataCatalogueMetadataDiscovery{
private MedataFormatDiscovery medataFormatDiscovery;
private final ScopeBean scope;
private Map<String, MetadataFormat> hash = new HashMap<String, MetadataFormat>();
private static Logger logger = LoggerFactory.getLogger(DataCalogueMetadataFormatReader.class);
/**
* Instantiates a new data calogue metadata format reader.
*
* @throws Exception the exception
*/
public DataCalogueMetadataFormatReader() throws Exception {
String scopeString = ScopeProvider.instance.get();
logger.debug("DataCalogueMetadataFormatReader read scope "+scopeString +" from ScopeProvider");
if(scopeString==null || scopeString.isEmpty())
throw new Exception("Please set a valid scope into ScopeProvider");
scope = new ScopeBean(scopeString);
medataFormatDiscovery = new MedataFormatDiscovery(scope);
logger.info("MedataFormatDiscovery has retrieved: "+medataFormatDiscovery.getMetadataTypes().size() +" metadata type/s");
logger.debug("filling cache for MedataFormat");
for (MetadataType mT : medataFormatDiscovery.getMetadataTypes()) {
MedataFormatReader reader = new MedataFormatReader(scope, mT.getId());
hash.put(mT.getId(), reader.getMetadataFormat());
logger.debug("MetadataType id: "+mT.getId() +" cached as: "+reader.getMetadataFormat());
}
}
/* (non-Javadoc)
* @see org.gcube.datacatalogue.metadatadiscovery.DataCatalogueMetadataDiscovery#getListOfMetadataTypes()
*/
@Override
public List<MetadataType> getListOfMetadataTypes() throws Exception {
return medataFormatDiscovery.getMetadataTypes();
}
/* (non-Javadoc)
* @see org.gcube.datacatalogue.metadatadiscovery.DataCatalogueMetadataDiscovery#getMetadataFormatForMetadataType(org.gcube.datacatalogue.metadatadiscovery.bean.MetadataType)
*/
@Override
public MetadataFormat getMetadataFormatForMetadataType(MetadataType type) throws Exception {
if(type==null)
throw new Exception("MetadataType is null");
MetadataFormat format = hash.get(type.getId());
if(format!=null)
return format;
MedataFormatReader reader = new MedataFormatReader(scope, type.getId());
return reader.getMetadataFormat();
}
}

40
src/main/java/org/gcube/datacatalogue/metadatadiscovery/DataCatalogueMetadataDiscovery.java Normal file
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@ -0,0 +1,40 @@
/**
*
*/
package org.gcube.datacatalogue.metadatadiscovery;
import java.util.List;
import org.gcube.datacatalogue.metadatadiscovery.bean.MetadataType;
import org.gcube.datacatalogue.metadatadiscovery.bean.jaxb.MetadataFormat;
/**
* The Interface DataCatalogueMetadataDiscovery.
*
* @author Francesco Mangiacrapa francesco.mangiacrapa@isti.cnr.it
* Jun 8, 2016
*/
public interface DataCatalogueMetadataDiscovery {
/**
* Gets the list of metadata types.
*
* @return the list of metadata types
* @throws Exception
*/
List<MetadataType> getListOfMetadataTypes() throws Exception;
/**
* Gets the metadata format for metadata type.
*
* @param type the type
* @return the metadata format for metadata type
* @throws Exception
*/
MetadataFormat getMetadataFormatForMetadataType(MetadataType type) throws Exception;
}

32
src/main/java/org/gcube/datacatalogue/metadatadiscovery/reader/MedataFormatDiscovery.java
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@ -30,7 +30,7 @@ import org.xml.sax.InputSource;
*/
public class MedataFormatDiscovery {
public static Logger logger = LoggerFactory.getLogger(MedataFormatDiscovery.class);
private static Logger logger = LoggerFactory.getLogger(MedataFormatDiscovery.class);
protected static final String DATA_CATALOGUE_METADATA_SECONDARY_TYPE = "DataCatalogueMetadata";
private String secondaryType;
private ScopeBean scope;
@ -190,34 +190,4 @@ public class MedataFormatDiscovery {
return metadataTypes;
}
/**
* The main method.
*
* @param args the arguments
* @throws InterruptedException the interrupted exception
*/
public static void main(String[] args) throws InterruptedException {
String scopeString = "/gcube/devsec/devVRE";
final ScopeBean scope = new ScopeBean(scopeString);
MedataFormatDiscovery reader;
try {
reader = new MedataFormatDiscovery(scope);
System.out.println(reader.getMetadataTypes());
// String value = "true";
// if (value != null){
// boolean isBase = Boolean.parseBoolean(value);
// System.out.println(isBase);
//// logger.trace("isBaseLayer : "+isBase);
// }
} catch (Exception e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
}

47
src/main/java/org/gcube/datacatalogue/metadatadiscovery/reader/MedataFormatReader.java
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@ -34,7 +34,7 @@ import org.xml.sax.InputSource;
*/
public class MedataFormatReader {
public static Logger logger = LoggerFactory.getLogger(MedataFormatReader.class);
private static Logger logger = LoggerFactory.getLogger(MedataFormatReader.class);
private ScopeBean scope;
private MetadataFormat metadataFormat;
private String resourceID;
@ -117,7 +117,7 @@ public class MedataFormatReader {
*
* @param helper the helper
* @return the metadata fields from resource
* @throws ApplicationProfileNotFoundException the application profile not found exception
* @throws Exception the exception
*/
private List<MetadataField> getMetadataFieldsFromResource(XPathHelper helper) throws Exception{
@ -158,6 +158,12 @@ public class MedataFormatReader {
}
/**
* Gets the quesry string for generic resource by id.
*
* @param resourceId the resource id
* @return the quesry string for generic resource by id
*/
public synchronized String getQuesryStringForGenericResourceById(String resourceId){
return String.format("declare namespace ic = 'http://gcube-system.org/namespaces/informationsystem/registry'; " +
@ -167,6 +173,8 @@ public class MedataFormatReader {
/**
* Gets the scope.
*
* @return the scope
*/
public ScopeBean getScope() {
@ -176,6 +184,8 @@ public class MedataFormatReader {
/**
* Gets the metadata format.
*
* @return the metadataFormat
*/
public MetadataFormat getMetadataFormat() {
@ -185,41 +195,12 @@ public class MedataFormatReader {
/**
* Gets the resource id.
*
* @return the resourceID
*/
public String getResourceID() {
return resourceID;
}
/**
* The main method.
*
* @param args the arguments
* @throws InterruptedException the interrupted exception
*/
public static void main(String[] args) throws InterruptedException {
String scopeString = "/gcube/devsec/devVRE";
final ScopeBean scope = new ScopeBean(scopeString);
MedataFormatReader reader;
try {
reader = new MedataFormatReader(scope, "78355412-b45a-4519-adce-679452583aa2");
System.out.println(reader.getMetadataFormat());
// String value = "true";
// if (value != null){
// boolean isBase = Boolean.parseBoolean(value);
// System.out.println(isBase);
//// logger.trace("isBaseLayer : "+isBase);
// }
} catch (Exception e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
}

43
src/test/java/org/gcube/datacatalogue/metadatadiscovery/TestDataCatalogueMetadataFormatReader.java Normal file
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@ -0,0 +1,43 @@
/**
*
*/
package org.gcube.datacatalogue.metadatadiscovery;
import org.gcube.common.scope.api.ScopeProvider;
import org.gcube.datacatalogue.metadatadiscovery.bean.MetadataType;
import org.junit.Test;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* The Class TestDataCatalogueMetadataFormatReader.
*
* @author Francesco Mangiacrapa francesco.mangiacrapa@isti.cnr.it
* Jun 8, 2016
*/
public class TestDataCatalogueMetadataFormatReader {
private static final Logger logger = LoggerFactory.getLogger(TestDataCatalogueMetadataFormatReader.class);
/**
* Test.
*/
@Test
public void test() {
try {
String scopeString = "/gcube/devsec/devVRE";
ScopeProvider.instance.set(scopeString);
DataCalogueMetadataFormatReader reader = new DataCalogueMetadataFormatReader();
logger.trace(""+reader.getListOfMetadataTypes());
for (MetadataType mt : reader.getListOfMetadataTypes()) {
logger.trace(""+reader.getMetadataFormatForMetadataType(mt));
}
} catch (Exception e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
}

14
src/test/java/org/gcube/datacatalogue/metadatadiscovery/TestJaxbMetadataMarshUnmarsh.java
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@ -20,6 +20,7 @@ import org.junit.Test;
/**
* The Class TestJaxbMetadataMarshUnmarsh.
*
* @author Francesco Mangiacrapa francesco.mangiacrapa@isti.cnr.it
* Jun 7, 2016
@ -30,6 +31,9 @@ public class TestJaxbMetadataMarshUnmarsh {
static MetadataFormat metadatas;
static String tmpFileXML = "." + File.separator + "CkanMetadatas.xml";
/**
* Test.
*/
@Test
public void test() {
@ -77,6 +81,11 @@ public class TestJaxbMetadataMarshUnmarsh {
}
}
/**
* Marshaling example.
*
* @throws JAXBException the JAXB exception
*/
private static void marshalingExample() throws JAXBException
{
JAXBContext jaxbContext = JAXBContext.newInstance(MetadataFormat.class);
@ -92,6 +101,11 @@ public class TestJaxbMetadataMarshUnmarsh {
}
/**
* Un marshaling example.
*
* @throws JAXBException the JAXB exception
*/
private static void unMarshalingExample() throws JAXBException
{
JAXBContext jaxbContext = JAXBContext.newInstance(MetadataFormat.class);

36
src/test/java/org/gcube/datacatalogue/metadatadiscovery/TestMetadataFormatDiscovery.java Normal file
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@ -0,0 +1,36 @@
/**
*
*/
package org.gcube.datacatalogue.metadatadiscovery;
import org.gcube.common.scope.impl.ScopeBean;
import org.gcube.datacatalogue.metadatadiscovery.reader.MedataFormatDiscovery;
import org.junit.Test;
/**
* The Class TestMetadataFormatDiscovery.
*
* @author Francesco Mangiacrapa francesco.mangiacrapa@isti.cnr.it
* Jun 8, 2016
*/
public class TestMetadataFormatDiscovery {
/**
* Test.
*/
@Test
public void test() {
String scopeString = "/gcube/devsec/devVRE";
final ScopeBean scope = new ScopeBean(scopeString);
MedataFormatDiscovery reader;
try {
reader = new MedataFormatDiscovery(scope);
System.out.println(reader.getMetadataTypes());
} catch (Exception e) {
e.printStackTrace();
}
}
}

31
src/test/java/org/gcube/datacatalogue/metadatadiscovery/TestMetadataFormatReader.java Normal file
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@ -0,0 +1,31 @@
/**
*
*/
package org.gcube.datacatalogue.metadatadiscovery;
import org.gcube.common.scope.impl.ScopeBean;
import org.gcube.datacatalogue.metadatadiscovery.reader.MedataFormatReader;
import org.junit.Test;
/**
*
* @author Francesco Mangiacrapa francesco.mangiacrapa@isti.cnr.it
* Jun 8, 2016
*/
public class TestMetadataFormatReader {
@Test
public void test() {
String scopeString = "/gcube/devsec/devVRE";
final ScopeBean scope = new ScopeBean(scopeString);
MedataFormatReader reader;
try {
reader = new MedataFormatReader(scope, "78355412-b45a-4519-adce-679452583aa2");
System.out.println(reader.getMetadataFormat());
} catch (Exception e) {
e.printStackTrace();
}
}
}