update/org.eclipse.update.ui/src/org/eclipse/update/internal/ui/model/DiscoveryFolder.java

package org.eclipse.update.internal.ui.model;

import org.eclipse.update.internal.ui.UpdateUIPlugin;
import org.eclipse.update.core.*;
import org.eclipse.update.configuration.*;
import org.eclipse.core.runtime.CoreException;

public class DiscoveryFolder extends BookmarkFolder {
	public DiscoveryFolder() {
		super(UpdateUIPlugin.getResourceString("DiscoveryFolder"));
		setModel(UpdateUIPlugin.getDefault().getUpdateModel());
	}
	public void initialize() {
		children.clear();
		try {
			ILocalSite site = SiteManager.getLocalSite();
			IInstallConfiguration config = site.getCurrentConfiguration();
			IConfiguredSite [] csites = config.getConfiguredSites();
			for (int i=0; i<csites.length; i++) {
				IConfiguredSite csite = csites[i];
				IFeatureReference [] refs = csite.getConfiguredFeatures();
				for (int j=0; j<refs.length; j++) {
					IFeatureReference ref = refs[j];
					IFeature feature = ref.getFeature();
					IURLEntry [] entries = feature.getDiscoverySiteEntries();
					addBookmarks(entries);
				}
			}
		}
		catch (CoreException e) {
			UpdateUIPlugin.logException(e);
		}
	}
	private void addBookmarks(IURLEntry [] entries) {
		for (int i=0; i<entries.length; i++) {
			IURLEntry entry = entries[i];
			SiteBookmark bookmark = new SiteBookmark(entry.getAnnotation(), entry.getURL());
			internalAdd(bookmark);
		}
	}
	public Object [] getChildren(Object parent) {
		if (hasChildren()==false) initialize();
		return super.getChildren(parent);
	}
}