| /******************************************************************************* |
| * Copyright (c) 2010, 2012 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; |
| |
| import org.eclipse.core.expressions.PropertyTester; |
| import org.eclipse.jst.common.project.facet.core.libprov.ILibraryProvider; |
| |
| /** |
| * Property tester for {@link ILibraryProvider}. |
| * See <code>org.eclipse.jpt.common.core/plugin.xml</code> |
| */ |
| public class LibraryProviderPropertyTester |
| extends PropertyTester |
| { |
| public static final String ID = "id"; //$NON-NLS-1$ |
| public static final String EXTENDS_ID = "extendsId"; //$NON-NLS-1$ |
| |
| public boolean test(Object receiver, String property, Object[] args, Object expectedValue) { |
| if (receiver instanceof ILibraryProvider) { |
| return this.test((ILibraryProvider) receiver, property, expectedValue); |
| } |
| return false; |
| } |
| |
| private boolean test(ILibraryProvider libraryProvider, String property, Object expectedValue) { |
| if (property.equals(ID)) { |
| return libraryProvider.getId().equals(expectedValue); |
| } |
| if (property.equals(EXTENDS_ID)) { |
| while (libraryProvider != null) { |
| if (libraryProvider.getId().equals(expectedValue)) { |
| return true; |
| } |
| libraryProvider = libraryProvider.getBaseProvider(); |
| } |
| return false; |
| } |
| return false; |
| } |
| } |