| /******************************************************************************* |
| * Copyright (c) 2006, 2008 IBM Corporation and others. |
| * |
| * This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License 2.0 |
| * which accompanies this distribution, and is available at |
| * https://www.eclipse.org/legal/epl-2.0/ |
| * |
| * SPDX-License-Identifier: EPL-2.0 |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.core.internal.expressions.propertytester; |
| |
| import org.osgi.framework.Bundle; |
| |
| import org.eclipse.core.expressions.PropertyTester; |
| |
| import org.eclipse.core.runtime.IProduct; |
| import org.eclipse.core.runtime.Platform; |
| |
| /** |
| * A property tester for testing platform properties. Can test whether or |
| * not a given bundle is installed in the running environment, as well as |
| * the id of the currently active product. |
| * <p> |
| * For example: |
| * </p> |
| * <pre> |
| * <test property="org.eclipse.core.runtime.product" value="org.eclipse.sdk.ide"/> |
| * <test property="org.eclipse.core.runtime.isBundleInstalled" args="org.eclipse.core.expressions"/> |
| * <test property="org.eclipse.core.runtime.bundleState" args="org.eclipse.core.expressions" value="ACTIVE"/> |
| * </pre> |
| */ |
| public class PlatformPropertyTester extends PropertyTester { |
| |
| private static final String PROPERTY_PRODUCT = "product"; //$NON-NLS-1$ |
| private static final String PROPERTY_IS_BUNDLE_INSTALLED = "isBundleInstalled"; //$NON-NLS-1$ |
| private static final String PROPERTY_BUNDLE_STATE = "bundleState"; //$NON-NLS-1$ |
| |
| @Override |
| public boolean test(Object receiver, String property, Object[] args, Object expectedValue) { |
| if (Platform.class.equals(receiver)) { |
| if (PROPERTY_PRODUCT.equals(property)) { |
| IProduct product= Platform.getProduct(); |
| if (product != null) { |
| return product.getId().equals(expectedValue); |
| } |
| return false; |
| } else if (PROPERTY_IS_BUNDLE_INSTALLED.equals(property) && args.length >= 1 && args[0] instanceof String) { |
| return Platform.getBundle((String)args[0]) != null; |
| } else if (PROPERTY_BUNDLE_STATE.equals(property) |
| && args.length >= 1 && args[0] instanceof String) { |
| Bundle b = Platform.getBundle((String) args[0]); |
| if (b != null) { |
| return bundleState(b.getState(), expectedValue); |
| } |
| return false; |
| } |
| } |
| return false; |
| } |
| |
| private boolean bundleState(int bundleState, Object expectedValue) { |
| if ("UNINSTALLED".equals(expectedValue)) { //$NON-NLS-1$ |
| return bundleState == Bundle.UNINSTALLED; |
| } |
| if ("INSTALLED".equals(expectedValue)) { //$NON-NLS-1$ |
| return bundleState == Bundle.INSTALLED; |
| } |
| if ("RESOLVED".equals(expectedValue)) { //$NON-NLS-1$ |
| return bundleState == Bundle.RESOLVED; |
| } |
| if ("STARTING".equals(expectedValue)) { //$NON-NLS-1$ |
| return bundleState == Bundle.STARTING; |
| } |
| if ("STOPPING".equals(expectedValue)) { //$NON-NLS-1$ |
| return bundleState == Bundle.STOPPING; |
| } |
| if ("ACTIVE".equals(expectedValue)) { //$NON-NLS-1$ |
| return bundleState == Bundle.ACTIVE; |
| } |
| return false; |
| } |
| } |