X-Git-Url: http://git.argeo.org/?a=blobdiff_plain;f=org.argeo.cms.ui.workbench%2Fsrc%2Forg%2Fargeo%2Fcms%2Fui%2Fworkbench%2Fosgi%2FMultiplePackagesView.java;fp=org.argeo.cms.ui.workbench%2Fsrc%2Forg%2Fargeo%2Fcms%2Fui%2Fworkbench%2Fosgi%2FMultiplePackagesView.java;h=a7f9a5335bd73ebb1cc18b172735e4c9b7cde276;hb=23b7a170cae60b500e9d45551f26b5075eba73a4;hp=0000000000000000000000000000000000000000;hpb=366986c3687b920a4b68eb0a0fadf3bc19dbb1bd;p=lgpl%2Fargeo-commons.git

diff --git a/org.argeo.cms.ui.workbench/src/org/argeo/cms/ui/workbench/osgi/MultiplePackagesView.java b/org.argeo.cms.ui.workbench/src/org/argeo/cms/ui/workbench/osgi/MultiplePackagesView.java
new file mode 100644
index 000000000..a7f9a5335
--- /dev/null
+++ b/org.argeo.cms.ui.workbench/src/org/argeo/cms/ui/workbench/osgi/MultiplePackagesView.java
@@ -0,0 +1,177 @@
+/*
+ * 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));
+			}
+		}
+	}
+}