Added methods to retrieve the String representation of Profile XSD

schema. Refs #17423

src/main/java/org/gcube/datacatalogue/metadatadiscovery/DataCalogueMetadataFormatReader.java

@@ -174,22 +174,28 @@ public class DataCalogueMetadataFormatReader implements DataCatalogueMetadataDis
 		namespaceCategories = null;
 	}
 	
+	
+	
 	@Override
 	public String getProfileSchema() {
 		if(profileSchema == null) {
-			InputStream inputStream = getProfileSchemaInputStream();
-			profileSchema = new BufferedReader(new InputStreamReader(inputStream)).lines()
-					.collect(Collectors.joining("\n"));
+			profileSchema = DataCalogueMetadataFormatReader.getProfileSchemaString();
 		}
 		return profileSchema;
 		
 	}
 	
-	static InputStream getProfileSchemaInputStream() {
+	public static String getProfileSchemaString() {
+		InputStream inputStream = DataCalogueMetadataFormatReader.getProfileSchemaInputStream();
+		return new BufferedReader(new InputStreamReader(inputStream)).lines()
+				.collect(Collectors.joining("\n"));
+	}
+	
+	public static InputStream getProfileSchemaInputStream() {
 		return DataCalogueMetadataFormatReader.class.getResourceAsStream(SCHEMA_FILENAME);
 	}
 	
-	static URL getProfileSchemaURL() {
+	public static URL getProfileSchemaURL() {
 		return DataCalogueMetadataFormatReader.class.getResource(SCHEMA_FILENAME);
 	}