| 1 | /** |
| 2 | * |
| 3 | */ |
| 4 | package de.uka.ipd.sdq.dsexplore.qml.reader; |
| 5 | |
| 6 | import java.io.File; |
| 7 | import java.util.List; |
| 8 | import java.util.ArrayList; |
| 9 | |
| 10 | import org.eclipse.emf.common.util.Diagnostic; |
| 11 | import org.eclipse.emf.common.util.URI; |
| 12 | import org.eclipse.emf.ecore.EObject; |
| 13 | import org.eclipse.emf.ecore.resource.Resource; |
| 14 | import org.eclipse.emf.ecore.resource.ResourceSet; |
| 15 | import org.eclipse.emf.ecore.resource.impl.ResourceSetImpl; |
| 16 | import org.eclipse.emf.ecore.util.Diagnostician; |
| 17 | import org.eclipse.emf.ecore.xmi.impl.XMIResourceFactoryImpl; |
| 18 | |
| 19 | import de.uka.ipd.sdq.dsexplore.qml.contracttype.QMLContractType.Dimension; |
| 20 | import de.uka.ipd.sdq.dsexplore.qml.declarations.QMLDeclarations.QMLDeclarationsPackage; |
| 21 | |
| 22 | /** |
| 23 | * Reads the Dimension defined in the file. Be sure the definition |
| 24 | * does not contain multiple dimension definitions. |
| 25 | * |
| 26 | * @author noorshams |
| 27 | * |
| 28 | */ |
| 29 | public class QMLDimensionReader { |
| 30 | |
| 31 | public List<Dimension> getDimensions(String[] dimensionPaths) { |
| 32 | List<Dimension> dimensions = new ArrayList<Dimension>(); |
| 33 | for (String dimensionPath : dimensionPaths) { |
| 34 | dimensions.add(this.getDimension(dimensionPath)); |
| 35 | } |
| 36 | return dimensions; |
| 37 | } |
| 38 | |
| 39 | public Dimension getDimension(String dimensionPath) { |
| 40 | // Create a resource set to hold the resources. |
| 41 | // |
| 42 | ResourceSet resourceSet = new ResourceSetImpl(); |
| 43 | |
| 44 | // Register the appropriate resource factory to handle all file |
| 45 | // extensions. |
| 46 | // |
| 47 | resourceSet.getResourceFactoryRegistry().getExtensionToFactoryMap() |
| 48 | .put(Resource.Factory.Registry.DEFAULT_EXTENSION, |
| 49 | new XMIResourceFactoryImpl()); |
| 50 | |
| 51 | // Register the package to ensure it is available during loading. |
| 52 | // |
| 53 | resourceSet.getPackageRegistry().put(QMLDeclarationsPackage.eNS_URI, |
| 54 | QMLDeclarationsPackage.eINSTANCE); |
| 55 | |
| 56 | // Construct the URI for the instance file. |
| 57 | // The argument is treated as a file path only if it denotes an existing |
| 58 | // file. |
| 59 | // Otherwise, it's directly treated as a URL. |
| 60 | // |
| 61 | File file = new File(dimensionPath); |
| 62 | URI uri = file.isFile() ? URI.createFileURI(file.getAbsolutePath()) |
| 63 | : URI.createURI(dimensionPath); |
| 64 | |
| 65 | // Demand load resource for this file. |
| 66 | // |
| 67 | Resource resource = resourceSet.getResource(uri, true); |
| 68 | |
| 69 | // Validate the contents of the loaded resource. |
| 70 | // |
| 71 | |
| 72 | Dimension dimension = null; |
| 73 | |
| 74 | for (EObject eObject : resource.getContents()) { |
| 75 | Diagnostic diagnostic = Diagnostician.INSTANCE.validate(eObject); |
| 76 | if (diagnostic.getSeverity() != Diagnostic.OK) { |
| 77 | new QMLDeclarationsReader().printDiagnostic(diagnostic, ""); |
| 78 | throw new RuntimeException("QML validation failed!"); |
| 79 | } |
| 80 | if(!(eObject instanceof Dimension)) { |
| 81 | throw new RuntimeException("Check QML definition! Dimension expected!"); |
| 82 | } |
| 83 | dimension = ((Dimension)eObject); |
| 84 | //XXX: first dimension found will be returned |
| 85 | break; |
| 86 | } |
| 87 | return dimension; |
| 88 | } |
| 89 | |
| 90 | } |