| /******************************************************************************* |
| * Copyright (c) 2008, 2010 IBM Corporation and others. |
| * 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: |
| * IBM Corporation - initial API and implementation |
| * Cloudsmith Inc. - converted into expression based query |
| *******************************************************************************/ |
| package org.eclipse.equinox.p2.touchpoint.eclipse.query; |
| |
| import org.eclipse.equinox.p2.query.ExpressionMatchQuery; |
| |
| import org.eclipse.equinox.p2.metadata.IInstallableUnit; |
| import org.eclipse.equinox.p2.metadata.expression.ExpressionUtil; |
| import org.eclipse.equinox.p2.metadata.expression.IMatchExpression; |
| |
| /** |
| * A query matching every {@link IInstallableUnit} that describes an OSGi bundle. |
| * @since 2.0 |
| */ |
| public class OSGiBundleQuery extends ExpressionMatchQuery<IInstallableUnit> { |
| |
| private static final IMatchExpression<IInstallableUnit> bundleTest = ExpressionUtil.getFactory().matchExpression(ExpressionUtil.parse("providedCapabilities.exists(p | p.namespace == 'osgi.bundle')")); //$NON-NLS-1$ |
| |
| public OSGiBundleQuery() { |
| super(IInstallableUnit.class, bundleTest); |
| } |
| |
| /** |
| * Test if the {@link IInstallableUnit} describes an OSGi bundle. |
| * @param iu the element being tested. |
| * @return <tt>true</tt> if the parameter describes an OSGi bundle. |
| */ |
| public static boolean isOSGiBundle(IInstallableUnit iu) { |
| return bundleTest.isMatch(iu); |
| } |
| } |
