/*******************************************************************************
* Copyright (c) 2000, 2008 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
*******************************************************************************/
package org.eclipse.pde.internal.ui.views.dependencies;
import java.util.*;
import org.eclipse.jface.viewers.IStructuredContentProvider;
import org.eclipse.osgi.service.resolver.*;
import org.eclipse.pde.core.plugin.IPluginModelBase;
import org.eclipse.pde.core.plugin.PluginRegistry;
import org.osgi.framework.Constants;
public class CalleesListContentProvider extends CalleesContentProvider implements IStructuredContentProvider {
boolean fShowOptional;
public CalleesListContentProvider(DependenciesView view) {
super(view);
}
public void setShowOptional(boolean showOptional) {
fShowOptional = showOptional;
}
public boolean getShowOptional() {
return fShowOptional;
}
/**
* @see IStructuredContentProvider#getElements(Object)
*/
public Object[] getElements(Object inputElement) {
if (inputElement instanceof IPluginModelBase) {
Map elements = new HashMap();
Set candidates = new HashSet();
candidates.addAll(Arrays.asList(findCallees(((IPluginModelBase) inputElement))));
while (!candidates.isEmpty()) {
Set newCandidates = new HashSet();
for (Iterator it = candidates.iterator(); it.hasNext();) {
Object candidate = it.next();
BundleDescription desc = null;
it.remove();
if (candidate instanceof BundleSpecification) {
if (!fShowOptional && ((BundleSpecification) candidate).isOptional())
continue;
desc = (BundleDescription) ((BundleSpecification) candidate).getSupplier();
// include unresolved require-bundles
if (desc == null)
elements.put(((BundleSpecification) candidate).getName(), candidate);
} else if (candidate instanceof BundleDescription) {
desc = (BundleDescription) candidate;
} else if (candidate instanceof ImportPackageSpecification) {
if (!fShowOptional && Constants.RESOLUTION_OPTIONAL.equals(((ImportPackageSpecification) candidate).getDirective(Constants.RESOLUTION_DIRECTIVE)))
continue;
desc = ((ExportPackageDescription) (((ImportPackageSpecification) candidate).getSupplier())).getExporter();
}
if (desc == null)
continue;
IPluginModelBase callee = PluginRegistry.findModel(desc.getSymbolicName());
if (!elements.containsKey(desc.getSymbolicName())) {
elements.put(desc.getSymbolicName(), candidate);
if (callee != null) {
newCandidates.addAll(Arrays.asList(findCallees(desc)));
}
}
}
candidates = newCandidates;
}
return elements.values().toArray();
}
return new Object[0];
}
}
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