1 files changed, 56 insertions, 0 deletions

diff --git a/Application/hu.bme.mit.inf.dslreasoner.application/src/hu/bme/mit/inf/dslreasoner/application/linking/ApplicationConfigurationLinkingService.xtend b/Application/hu.bme.mit.inf.dslreasoner.application/src/hu/bme/mit/inf/dslreasoner/application/linking/ApplicationConfigurationLinkingService.xtend
new file mode 100644
index 00000000..15567f88
--- /dev/null
+++ b/Application/hu.bme.mit.inf.dslreasoner.application/src/hu/bme/mit/inf/dslreasoner/application/linking/ApplicationConfigurationLinkingService.xtend
@@ -0,0 +1,56 @@
+package hu.bme.mit.inf.dslreasoner.application.linking

+

+import com.google.inject.Inject

+import hu.bme.mit.inf.dslreasoner.application.applicationConfiguration.ApplicationConfigurationPackage

+import hu.bme.mit.inf.dslreasoner.application.applicationConfiguration.EPackageImport

+import hu.bme.mit.inf.dslreasoner.application.applicationConfiguration.ViatraImport

+import java.util.Collections

+import java.util.Optional

+import org.eclipse.emf.ecore.EObject

+import org.eclipse.emf.ecore.EReference

+import org.eclipse.viatra.query.patternlanguage.emf.scoping.IMetamodelProvider

+import org.eclipse.xtext.conversion.IValueConverterService

+import org.eclipse.xtext.conversion.ValueConverterException

+import org.eclipse.xtext.linking.impl.DefaultLinkingService

+import org.eclipse.xtext.nodemodel.ILeafNode

+import org.eclipse.xtext.nodemodel.INode

+

+class ApplicationConfigurationLinkingService extends DefaultLinkingService{

+

+    //@Inject Logger logger

+

+    @Inject IValueConverterService valueConverterService

+

+    @Inject IMetamodelProvider metamodelProvider

+    

+    public static extension ApplicationConfigurationPackage pac = ApplicationConfigurationPackage.eINSTANCE

+

+    override getLinkedObjects(EObject context, EReference ref, INode node) {

+        if(context instanceof EPackageImport) {

+                if(ref == EPackageImport_ImportedPackage && node instanceof ILeafNode) {

+                        return getEPackage(context as EPackageImport, node as ILeafNode)

+                }

+        } else if(context instanceof ViatraImport) {

+                super.getLinkedObjects(context, ref, node)

+        }

+        return super.getLinkedObjects(context, ref, node)

+    }

+

+    private def getEPackage(EPackageImport packageImport, ILeafNode node) {

+        getMetamodelNsUri(node).flatMap [ uri |

+            Optional.ofNullable(metamodelProvider.loadEPackage(uri, packageImport.eResource.resourceSet))

+        ].map [ ePackage |

+            Collections.singletonList(ePackage as EObject)

+        ].orElse(emptyList)

+    }

+

+    private def getMetamodelNsUri(ILeafNode node) {

+        try {

+            val convertedValue = valueConverterService.toValue(node.text,

+                linkingHelper.getRuleNameFrom(node.grammarElement), node)

+            Optional.of(convertedValue as String)

+        } catch (ValueConverterException e) {

+            Optional.empty

+        }

+    }

+}
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