| /******************************************************************************* |
| * Copyright (c) 2010 Oracle. All rights reserved. |
| * This program and the accompanying materials are made available under the |
| * terms of the Eclipse Public License v1.0, which accompanies this distribution |
| * and is available at http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * Oracle - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.jpt.common.core.internal.libprov; |
| |
| import org.eclipse.core.expressions.PropertyTester; |
| import org.eclipse.jst.common.project.facet.core.libprov.ILibraryProvider; |
| |
| public class LibraryProviderPropertyTester |
| extends PropertyTester { |
| |
| public boolean test(Object receiver, String property, Object[] args, Object expectedValue) { |
| if (! (property.equals("id") || property.equals("extendsId")) //$NON-NLS-1$ //$NON-NLS-2$ |
| || ! (receiver instanceof ILibraryProvider) |
| || ! (expectedValue instanceof String)) { |
| return false; |
| } |
| |
| ILibraryProvider libraryProvider = (ILibraryProvider) receiver; |
| |
| if (property.equals("id")) { //$NON-NLS-1$ |
| return libraryProvider.getId().equals(expectedValue); |
| } |
| else if (property.equals("extendsId")) { //$NON-NLS-1$ |
| while (libraryProvider != null) { |
| if (libraryProvider.getId().equals(expectedValue)) { |
| return true; |
| } |
| libraryProvider = libraryProvider.getBaseProvider(); |
| } |
| } |
| |
| return false; |
| } |
| } |