--- /dev/null
+/*
+ * Copyright (C) 2007-2012 Argeo GmbH
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.argeo.cms.ui.workbench.osgi;
+
+import java.util.ArrayList;
+import java.util.Comparator;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.Set;
+import java.util.TreeMap;
+import java.util.TreeSet;
+
+import org.argeo.cms.ui.workbench.WorkbenchUiPlugin;
+import org.argeo.eclipse.ui.TreeParent;
+import org.eclipse.jface.viewers.ITreeContentProvider;
+import org.eclipse.jface.viewers.LabelProvider;
+import org.eclipse.jface.viewers.TreeViewer;
+import org.eclipse.jface.viewers.Viewer;
+import org.eclipse.swt.SWT;
+import org.eclipse.swt.widgets.Composite;
+import org.eclipse.ui.part.ViewPart;
+import org.osgi.framework.Bundle;
+import org.osgi.framework.BundleContext;
+import org.osgi.framework.ServiceReference;
+import org.osgi.service.packageadmin.ExportedPackage;
+import org.osgi.service.packageadmin.PackageAdmin;
+
+/** <b>Experimental</b> The OSGi runtime from a module perspective. */
+@SuppressWarnings({ "deprecation", "rawtypes", "unchecked" })
+public class MultiplePackagesView extends ViewPart {
+ private TreeViewer viewer;
+ private PackageAdmin packageAdmin;
+ private Comparator<ExportedPackage> epc = new Comparator<ExportedPackage>() {
+ public int compare(ExportedPackage o1, ExportedPackage o2) {
+ if (!o1.getName().equals(o2.getName()))
+ return o1.getName().compareTo(o2.getName());
+ else
+ return o1.getVersion().compareTo(o2.getVersion());
+ }
+ };
+
+ @Override
+ public void createPartControl(Composite parent) {
+ viewer = new TreeViewer(parent, SWT.MULTI | SWT.H_SCROLL | SWT.V_SCROLL);
+ viewer.setContentProvider(new ModulesContentProvider());
+ viewer.setLabelProvider(new LabelProvider());
+ viewer.setInput(WorkbenchUiPlugin.getDefault().getBundle()
+ .getBundleContext());
+ }
+
+ @Override
+ public void setFocus() {
+ viewer.getTree().setFocus();
+ }
+
+ private class ModulesContentProvider implements ITreeContentProvider {
+ private static final long serialVersionUID = 3819934804640641721L;
+
+ public Object[] getElements(Object inputElement) {
+ return getChildren(inputElement);
+ }
+
+ public Object[] getChildren(Object parentElement) {
+ if (parentElement instanceof BundleContext) {
+ BundleContext bundleContext = (BundleContext) parentElement;
+ Bundle[] bundles = bundleContext.getBundles();
+
+ // scan packages
+ ServiceReference paSr = bundleContext
+ .getServiceReference(PackageAdmin.class.getName());
+ // TODO: make a cleaner referencing
+ packageAdmin = (PackageAdmin) bundleContext.getService(paSr);
+
+ Map<Bundle, Set<ExportedPackage>> imported = new HashMap<Bundle, Set<ExportedPackage>>();
+ Map<String, Set<ExportedPackage>> packages = new TreeMap<String, Set<ExportedPackage>>();
+ for (Bundle bundle : bundles) {
+ processBundle(bundle, imported, packages);
+ }
+
+ List<MultiplePackagesNode> multiplePackages = new ArrayList<MultiplePackagesNode>();
+ for (String packageName : packages.keySet()) {
+ Set<ExportedPackage> pkgs = packages.get(packageName);
+ if (pkgs.size() > 1) {
+ MultiplePackagesNode mpn = new MultiplePackagesNode(
+ packageName, pkgs);
+ multiplePackages.add(mpn);
+ }
+ }
+
+ return multiplePackages.toArray();
+ } else if (parentElement instanceof TreeParent) {
+ return ((TreeParent) parentElement).getChildren();
+ } else {
+ return null;
+ }
+ }
+
+ protected void processBundle(Bundle bundle,
+ Map<Bundle, Set<ExportedPackage>> imported,
+ Map<String, Set<ExportedPackage>> packages) {
+ ExportedPackage[] pkgs = packageAdmin.getExportedPackages(bundle);
+ if (pkgs == null)
+ return;
+ for (ExportedPackage pkg : pkgs) {
+ if (!packages.containsKey(pkg.getName()))
+ packages.put(pkg.getName(), new TreeSet<ExportedPackage>(
+ epc));
+ Set<ExportedPackage> expPackages = packages.get(pkg.getName());
+ expPackages.add(pkg);
+
+ // imported
+ for (Bundle b : pkg.getImportingBundles()) {
+ if (bundle.getBundleId() != b.getBundleId()) {
+ if (!imported.containsKey(b)) {
+ imported.put(b, new TreeSet<ExportedPackage>(epc));
+ }
+ Set<ExportedPackage> impPackages = imported.get(b);
+ impPackages.add(pkg);
+ }
+ }
+ }
+ }
+
+ public Object getParent(Object element) {
+ // TODO Auto-generated method stub
+ return null;
+ }
+
+ public boolean hasChildren(Object element) {
+ if (element instanceof TreeParent) {
+ return ((TreeParent) element).hasChildren();
+ }
+ return false;
+ }
+
+ public void dispose() {
+ }
+
+ public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {
+ }
+ }
+
+ private class MultiplePackagesNode extends TreeParent {
+ public MultiplePackagesNode(String packageName,
+ Set<ExportedPackage> exportedPackages) {
+ super(packageName);
+ for (ExportedPackage pkg : exportedPackages) {
+ addChild(new ExportedPackageNode(pkg));
+ }
+ }
+ }
+
+ private class ExportedPackageNode extends TreeParent {
+ public ExportedPackageNode(ExportedPackage exportedPackage) {
+ super(exportedPackage.getName() + " - "
+ + exportedPackage.getVersion() + " ("
+ + exportedPackage.getExportingBundle() + ")");
+ for (Bundle bundle : exportedPackage.getImportingBundles()) {
+ addChild(new BundleNode(bundle, true));
+ }
+ }
+ }
+}
projects / lgpl / argeo-commons.git / blobdiff