| /******************************************************************************* |
| * Copyright (c) 2008, 2018 Borland Software Corporation 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: |
| * Borland Software Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.m2m.internal.qvt.oml.expressions.util; |
| |
| import org.eclipse.ocl.parser.ValidationVisitor; |
| import org.eclipse.ocl.util.ToStringVisitor; |
| import org.eclipse.ocl.utilities.Visitor; |
| |
| |
| public class ForeignVisitorDefaultValue { |
| |
| private ForeignVisitorDefaultValue() { |
| super(); |
| } |
| |
| @SuppressWarnings("unchecked") |
| public static <T> T getDefaultValueForVisitor(Visitor<T, ?, ?, ?, ?, ?, ?, ?, ?, ?> visitor) { |
| if(visitor != null) { |
| Class<?> visitorClass = visitor.getClass(); |
| if(visitorClass == ValidationVisitor.class) { |
| return (T)Boolean.TRUE; |
| } else if(visitorClass == ToStringVisitor.class) { |
| return (T)""; //$NON-NLS-1$ |
| } |
| } |
| |
| return null; |
| } |
| } |