| /******************************************************************************* |
| * Copyright (c) 2000, 2004 IBM Corporation and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Common Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/cpl-v10.html |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.update.core; |
| |
| import org.eclipse.core.runtime.*; |
| import org.eclipse.update.configuration.*; |
| import org.eclipse.update.core.model.*; |
| import org.eclipse.update.internal.core.*; |
| |
| /** |
| * This is a utility class representing the options of a nested feature. |
| * Feature will include other features. This class will represent the options of the inclusion. |
| * <p> |
| * Clients may instantiate; not intended to be subclassed by clients. |
| * </p> |
| * <p> |
| * <b>Note:</b> This class/interface is part of an interim API that is still under development and expected to |
| * change significantly before reaching stability. It is being made available at this early stage to solicit feedback |
| * from pioneering adopters on the understanding that any code that uses this API will almost certainly be broken |
| * (repeatedly) as the API evolves. |
| * </p> |
| * @see org.eclipse.update.core.VersionedIdentifier |
| * @since 2.0.1 |
| */ |
| public class IncludedFeatureReference |
| extends IncludedFeatureReferenceModel |
| implements IIncludedFeatureReference { |
| |
| /** |
| * Construct a included feature reference |
| * |
| * @since 2.1 |
| */ |
| public IncludedFeatureReference() { |
| super(); |
| } |
| |
| /** |
| * Construct a feature options |
| * |
| * @param includedFeatureRef reference to clone |
| * @since 2.0.2 |
| */ |
| public IncludedFeatureReference(IIncludedFeatureReference includedFeatureRef) { |
| super((IncludedFeatureReferenceModel) includedFeatureRef); |
| } |
| |
| /** |
| * Constructor IncludedFeatureReference. |
| * @param featureReference |
| */ |
| public IncludedFeatureReference(IFeatureReference featureReference) { |
| super(featureReference); |
| } |
| |
| /* |
| * Method isDisabled. |
| * @return boolean |
| */ |
| private boolean isDisabled() { |
| IConfiguredSite cSite = getSite().getCurrentConfiguredSite(); |
| if (cSite == null) |
| return false; |
| IFeatureReference[] configured = cSite.getConfiguredFeatures(); |
| for (int i = 0; i < configured.length; i++) { |
| if (this.equals(configured[i])) |
| return false; |
| } |
| return true; |
| // // FIXME: the above code was commented out and returned false. |
| // // Should this be commented out again? |
| // return false; |
| } |
| |
| /* |
| * Method isInstalled. |
| * @return boolean |
| */ |
| private boolean isUninstalled() { |
| if (!isDisabled()) |
| return false; |
| IFeatureReference[] installed = getSite().getFeatureReferences(); |
| for (int i = 0; i < installed.length; i++) { |
| if (this.equals(installed[i])) |
| return false; |
| } |
| // if we reached this point, the configured site exists and it does not |
| // contain this feature reference, so clearly the feature is uninstalled |
| return true; |
| } |
| |
| /** |
| * @see org.eclipse.update.core.IIncludedFeatureReference#getFeature(boolean, |
| * IConfiguredSite) |
| * @deprecated use getFeature(IProgressMonitor) |
| */ |
| public IFeature getFeature( |
| boolean perfectMatch, |
| IConfiguredSite configuredSite) |
| throws CoreException { |
| return getFeature(null); |
| } |
| |
| /** |
| * @see org.eclipse.update.core.IIncludedFeatureReference#getFeature(boolean, |
| * IConfiguredSite,IProgressMonitor) |
| * @deprecated use getFeature(IProgressMonitor) |
| */ |
| public IFeature getFeature( |
| boolean perfectMatch, |
| IConfiguredSite configuredSite, |
| IProgressMonitor monitor) |
| throws CoreException { |
| return getFeature(monitor); |
| } |
| |
| /** |
| * @see org.eclipse.update.core.IFeatureReference#getFeature() |
| * @deprecated use getFeature(IProgressMonitor) |
| */ |
| public IFeature getFeature() throws CoreException { |
| return getFeature(null); |
| } |
| /** |
| * @see org.eclipse.update.core.IFeatureReference#getFeature |
| * (IProgressMonitor) |
| */ |
| public IFeature getFeature(IProgressMonitor monitor) throws CoreException { |
| if (isUninstalled()) |
| throw new CoreException(new Status(IStatus.ERROR, UpdateCore.getPlugin().getBundle().getSymbolicName(), IStatus.OK, Policy.bind("IncludedFeatureReference.featureUninstalled", //$NON-NLS-1$ |
| getFeatureIdentifier()), null)); |
| else |
| return super.getFeature(monitor); |
| } |
| } |