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/*******************************************************************************
* Copyright (c) 2008, 2010 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
* Cloudsmith Inc. - converted into expression based query
*******************************************************************************/
package org.eclipse.equinox.p2.touchpoint.eclipse.query;
import org.eclipse.equinox.p2.metadata.IInstallableUnit;
import org.eclipse.equinox.p2.metadata.expression.ExpressionUtil;
import org.eclipse.equinox.p2.metadata.expression.IMatchExpression;
import org.eclipse.equinox.p2.query.ExpressionMatchQuery;
/**
* A query matching every {@link IInstallableUnit} that describes an OSGi bundle.
* @since 2.0
*/
public final 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 <code>true</code> if the parameter describes an OSGi bundle.
*/
public static boolean isOSGiBundle(IInstallableUnit iu) {
return bundleTest.isMatch(iu);
}
}
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