| /******************************************************************************* |
| * Copyright (c) 2009, 2018 SAP AG and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v2.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v20.html |
| * |
| * Contributors: |
| * SAP AG - initial API and implementation |
| ******************************************************************************/ |
| package org.eclipse.ocl.examples.impactanalyzer.benchmark.preparation.ocl; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| import org.eclipse.emf.ecore.EClass; |
| import org.eclipse.emf.ecore.EPackage; |
| import org.eclipse.ocl.OCLInput; |
| import org.eclipse.ocl.ParserException; |
| import org.eclipse.ocl.ecore.Constraint; |
| import org.eclipse.ocl.ecore.OCL; |
| import org.eclipse.ocl.ecore.OCLExpression; |
| import org.eclipse.ocl.examples.impactanalyzer.benchmark.preparation.ocl.OCLTestExpressionContainer.OclExpressionWithPackage; |
| import org.eclipse.ocl.utilities.ExpressionInOCL; |
| |
| |
| /** |
| * The {@link OCLExpressionFromClassTcsPicker} parses the OCL expressions which were extracted |
| * out of the FURCAS/MOIN Class.tcs file. This extracted expressions are retrieved |
| * in a textual representation by using the {@link OCLTestExpressionContainer} |
| * and are then parsed within this class |
| * |
| * @author Manuel Holzleitner (D049667) |
| */ |
| public class OCLExpressionFromClassTcsPicker implements OCLExpressionPicker { |
| |
| public List<OCLExpressionWithContext> pickUpExpressions() { |
| ArrayList<OCLExpressionWithContext> result = new ArrayList<OCLExpressionWithContext>(); |
| |
| for (OclExpressionWithPackage expression : OCLTestExpressionContainer.getExpressionList()) { |
| result.add(parse(expression.getOcl(), expression.getPackage(), expression)); |
| } |
| |
| return result; |
| } |
| |
| public OCLExpressionWithContext pickUpExpression(int index){ |
| return parse(OCLTestExpressionContainer.getExpressionList().get(index).getOcl(), OCLTestExpressionContainer.getExpressionList().get(index).getPackage(), OCLTestExpressionContainer.getExpressionList().get(index)); |
| } |
| |
| /** |
| * @param expression |
| * to parse |
| * @return a list of {@link Constraint}s parsed from given expression |
| */ |
| protected OCLExpressionWithContext parse(String expression, EPackage basePackage, |
| OclExpressionWithPackage oclWithPackage) { |
| OCLInput exp = new OCLInput(expression); |
| String nsPrefix = basePackage.getNsPrefix(); |
| EPackage.Registry.INSTANCE.put(nsPrefix, basePackage); |
| ArrayList<String> path = new ArrayList<String>(); |
| path.add(nsPrefix); |
| OCL ocl = org.eclipse.ocl.examples.impactanalyzer.util.OCL.newInstance(); |
| ocl = OCL.newInstance(new EnvironmentFactory().createPackageContext(ocl.getEnvironment(), basePackage)); |
| OCLExpressionWithContext result = null; |
| try { |
| @SuppressWarnings("rawtypes") |
| ExpressionInOCL specification = ocl.parse(exp).iterator().next().getSpecification(); |
| OCLExpression expr = (OCLExpression) specification.getBodyExpression(); |
| |
| result = new OCLExpressionWithContext(expr, (EClass) specification.getContextVariable().getType(), |
| oclWithPackage); |
| |
| } catch (ParserException e) { |
| System.err.println("Error while parsing Expression:" + exp); |
| e.printStackTrace(); |
| System.exit(0); |
| } |
| return result; |
| } |
| |
| } |