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added method to validate (via xml schema) the DataMinerInvocationModel 

git-svn-id: http://svn.research-infrastructures.eu/public/d4science/gcube/trunk/data-analysis/dataminer-invocation-model@174710 82a268e6-3cf1-43bd-a215-b396298e98cf
This commit is contained in:
Francesco Mangiacrapa 2018-12-10 11:22:11 +00:00
parent 50af1a5cfe
commit 11392bfa6e
3 changed files with 85 additions and 59 deletions
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108
src/main/java/org/gcube/data/analysis/dminvocation/DataMinerInvocationManager.java
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@ -25,29 +25,70 @@ import org.gcube.data.analysis.dminvocation.model.DataMinerInvocation;
import org.xml.sax.SAXException;
/**
* The Class DataMinerInvocationManager.
*
* @author Francesco Mangiacrapa at ISTI-CNR (francesco.mangiacrapa@isti.cnr.it)
* Dec 4, 2018
* Dec 10, 2018
*/
public class DataMinerInvocationManager {
private static DataMinerInvocationManager singleInstance = null;
private JAXBContext jaxbContext;
private Schema schema;
/*
*
* JAXBContext is thread safe and should only be created once and reused to avoid the cost of initializing the metadata multiple times.
* Marshaller and Unmarshaller are not thread safe, but are lightweight to create and could be created per operation.
*/
/**
* Instantiates a new data miner invocation manager.
*
* @throws JAXBException the JAXB exception
* @throws IOException Signals that an I/O exception has occurred.
* @throws SAXException the SAX exception
*/
private DataMinerInvocationManager() throws JAXBException, IOException, SAXException{
jaxbContext= JAXBContext.newInstance(DataMinerInvocation.class);
schema = generateSchema();
}
/**
* Gets the single instance of DataMinerInvocationManager.
*
* @return single instance of DataMinerInvocationManager
* @throws JAXBException the JAXB exception
* @throws IOException Signals that an I/O exception has occurred.
* @throws SAXException the SAX exception
*/
public static DataMinerInvocationManager getInstance() throws JAXBException, IOException, SAXException {
if (singleInstance == null)
singleInstance = new DataMinerInvocationManager();
return singleInstance;
}
/**
* Marshaling.
*
* @param dmInvocation the dm invocation
* @param mediaType the media type
* @param validateModel the validate model. If true performs model validation against the xml schema generated for {@link DataMinerInvocation}
* @return the byte array output stream
* @throws JAXBException the JAXB exception
* @throws SAXException
* @throws IOException
*/
public static ByteArrayOutputStream marshaling(DataMinerInvocation dmInvocation, MediaType mediaType) throws JAXBException, IOException, SAXException
public ByteArrayOutputStream marshaling(DataMinerInvocation dmInvocation, MediaType mediaType, boolean validateModel) throws JAXBException
{
JAXBContext jaxbContext = JAXBContext.newInstance(DataMinerInvocation.class);
Marshaller jaxbMarshaller = jaxbContext.createMarshaller();
jaxbMarshaller = generateAndSetSchema(jaxbMarshaller);
Marshaller jaxbMarshaller = jaxbContext.createMarshaller();
if(validateModel)
jaxbMarshaller.setSchema(schema);
jaxbMarshaller.setProperty(Marshaller.JAXB_FORMATTED_OUTPUT, Boolean.TRUE);
@ -71,20 +112,18 @@ public class DataMinerInvocationManager {
/**
* Unmarshaling.
*
* @param dmInvocationXMLStream the dm invocation xml file
* @param dmInvocationXMLStream the dm invocation xml stream
* @param mediaType the media type
* @param validateModel the validate model. If true performs model validation against the xml schema generated for {@link DataMinerInvocation}
* @return the data miner invocation
* @throws JAXBException the JAXB exception
* @throws IOException Signals that an I/O exception has occurred.
* @throws SAXException the SAX exception
*/
public static DataMinerInvocation unmarshaling(InputStream dmInvocationXMLStream, MediaType mediaType) throws JAXBException, IOException, SAXException
public DataMinerInvocation unmarshaling(InputStream dmInvocationXMLStream, MediaType mediaType, boolean validateModel) throws JAXBException
{
//unMarshalingCategories();
JAXBContext jaxbContext = JAXBContext.newInstance(DataMinerInvocation.class);
Unmarshaller jaxbUnmarshaller = jaxbContext.createUnmarshaller();
jaxbUnmarshaller = generateAndSetSchema(jaxbUnmarshaller);
if(validateModel)
jaxbUnmarshaller.setSchema(schema);
if(mediaType==null)
mediaType = MediaType.ApplicationXML;
@ -97,62 +136,31 @@ public class DataMinerInvocationManager {
jaxbUnmarshaller.setProperty(MarshallerProperties.MEDIA_TYPE, mediaType.getMimeType());
}
//We had written this file in marshalling example
return (DataMinerInvocation) jaxbUnmarshaller.unmarshal(dmInvocationXMLStream);
}
/**
* Generate and set schema.
* Generate schema.
*
* @param unmarshaller the unmarshaller
* @return the unmarshaller
* @return the schema
* @throws JAXBException the JAXB exception
* @throws IOException Signals that an I/O exception has occurred.
* @throws SAXException the SAX exception
*/
private static Unmarshaller generateAndSetSchema(Unmarshaller unmarshaller) throws JAXBException, IOException, SAXException {
private Schema generateSchema() throws JAXBException, IOException, SAXException {
// generate schema
ByteArrayStreamOutputResolver schemaOutput = new ByteArrayStreamOutputResolver();
JAXBContext jaxbContext = JAXBContext.newInstance(DataMinerInvocation.class);
jaxbContext.generateSchema(schemaOutput);
// load schema
ByteArrayInputStream schemaInputStream = new ByteArrayInputStream(schemaOutput.getSchemaContent());
SchemaFactory sf = SchemaFactory.newInstance(XMLConstants.W3C_XML_SCHEMA_NS_URI);
Schema schema = sf.newSchema(new StreamSource(schemaInputStream));
// set schema on unmarshaller
unmarshaller.setSchema(schema);
return unmarshaller;
return sf.newSchema(new StreamSource(schemaInputStream));
}
/**
* Generate and set schema.
*
* @param unmarshaller the unmarshaller
* @return the unmarshaller
* @throws JAXBException the JAXB exception
* @throws IOException Signals that an I/O exception has occurred.
* @throws SAXException the SAX exception
*/
private static Marshaller generateAndSetSchema(Marshaller marshaller) throws JAXBException, IOException, SAXException {
// generate schema
ByteArrayStreamOutputResolver schemaOutput = new ByteArrayStreamOutputResolver();
JAXBContext jaxbContext = JAXBContext.newInstance(DataMinerInvocation.class);
jaxbContext.generateSchema(schemaOutput);
// load schema
ByteArrayInputStream schemaInputStream = new ByteArrayInputStream(schemaOutput.getSchemaContent());
SchemaFactory sf = SchemaFactory.newInstance(XMLConstants.W3C_XML_SCHEMA_NS_URI);
Schema schema = sf.newSchema(new StreamSource(schemaInputStream));
// set schema on unmarshaller
marshaller.setSchema(schema);
return marshaller;
}
/**

22
src/test/java/DataMinerInvocationTest.java
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@ -31,17 +31,20 @@ public class DataMinerInvocationTest {
static Map<String,String> parameters = new HashMap<String,String>();
static DataMinerInvocationManager dmMng;
@Before
public void init(){
public void init() throws JAXBException, IOException, SAXException{
parameters.put("[key1]", "[value1]");
parameters.put("[key2]", "[value2]");
dmMng = DataMinerInvocationManager.getInstance();
}
@Test
//@Test
public void marshallingTest() throws JAXBException, IOException, SAXException {
System.out.println(DataMinerInvocationTest.class.getMethods()[0].getName()+" called");
//LOADING PARAMETERS
// List<DataMinerParam> inParams = new ArrayList<DataMinerParam>();
// for (String pm : parameters.keySet()) {
@ -60,29 +63,30 @@ public class DataMinerInvocationTest {
// ByteArrayOutputStream outStreamJSON = DataMinerInvocationManager.marshaling(dmInvocation, MediaType.ApplicationJSON);
// System.out.println(new String(outStreamJSON.toByteArray()));
ByteArrayOutputStream outStreamXML = DataMinerInvocationManager.marshaling(dmInvocation, MediaType.ApplicationXML);
ByteArrayOutputStream outStreamXML = dmMng.marshaling(dmInvocation, MediaType.ApplicationXML, true);
System.out.println(new String(outStreamXML.toByteArray()));
}
@Test
public void unmarshallingXMLTest() throws JAXBException, IOException, SAXException{
System.out.println(DataMinerInvocationTest.class.getMethods()[1].getName()+" called");
FileInputStream dmInvocationXMLFile = new FileInputStream(new File("./src/test/resources/DataMinerInvocation.xml"));
DataMinerInvocation dmInvocation = DataMinerInvocationManager.unmarshaling(dmInvocationXMLFile, MediaType.ApplicationXML);
DataMinerInvocation dmInvocation = dmMng.unmarshaling(dmInvocationXMLFile, MediaType.ApplicationXML, true);
System.out.println(dmInvocation);
// ByteArrayOutputStream outStreamJSON = DataMinerInvocationManager.marshaling(dmInvocation, MediaType.ApplicationXML);
// System.out.println(new String(outStreamJSON.toByteArray()));
ByteArrayOutputStream outStreamJSON = dmMng.marshaling(dmInvocation, MediaType.ApplicationXML, true);
System.out.println(new String(outStreamJSON.toByteArray()));
}
//@Test
public void unmarshallingJSONTest() throws JAXBException, IOException, SAXException{
FileInputStream dmInvocationJSONFile = new FileInputStream(new File("./src/test/resources/DataMinerInvocation.json"));
DataMinerInvocation dmInvocation = DataMinerInvocationManager.unmarshaling(dmInvocationJSONFile, MediaType.ApplicationJSON);
DataMinerInvocation dmInvocation = dmMng.unmarshaling(dmInvocationJSONFile, MediaType.ApplicationJSON, true);
System.out.println(dmInvocation);
ByteArrayOutputStream outStreamXML = DataMinerInvocationManager.marshaling(dmInvocation, MediaType.ApplicationXML);
ByteArrayOutputStream outStreamXML = dmMng.marshaling(dmInvocation, MediaType.ApplicationXML, true);
System.out.println(new String(outStreamXML.toByteArray()));
}

14
src/test/resources/DataMinerInvocation.xml
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@ -1,3 +1,17 @@
<dataminer-invocation>
<operator-id>org.gcube.dataanalysis.wps.statisticalmanager.synchserver.mappedclasses.transducerers.MPA_INTERSECT</operator-id>
<action>RUN</action>
<parameters>
<input>
<param>
<key>fileId</key>
<value>http://publicLinkToFile</value>
</param>
<param>
<key>param2</key>
<value>value2</value>
</param>
</input>
<output/>
</parameters>
</dataminer-invocation>