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/*******************************************************************************
* Copyright (c) 2006, 2016 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.osgi.tests.bundles;
import java.io.IOException;
import java.net.URL;
import java.security.*;
import java.util.*;
import org.eclipse.osgi.service.resolver.PlatformAdmin;
import org.eclipse.osgi.service.urlconversion.URLConverter;
import org.osgi.framework.*;
import org.osgi.service.packageadmin.PackageAdmin;
import org.osgi.service.startlevel.StartLevel;
import org.osgi.util.tracker.ServiceTracker;
public class BundleInstaller {
private BundleContext context;
private String rootLocation;
private HashMap bundles = new HashMap();
private ServiceTracker packageAdmin;
private ServiceTracker startlevel;
private ServiceTracker converter;
private ServiceTracker platformAdmin;
public BundleInstaller(String bundlesRoot, BundleContext context) throws InvalidSyntaxException {
this.context = context;
rootLocation = bundlesRoot;
converter = new ServiceTracker(context, context.createFilter("(&(objectClass=" + URLConverter.class.getName() + ")(protocol=bundleentry))"), null);
converter.open();
startlevel = new ServiceTracker(context, StartLevel.class.getName(), null);
startlevel.open();
packageAdmin = new ServiceTracker(context, PackageAdmin.class.getName(), null);
packageAdmin.open();
platformAdmin = new ServiceTracker(context, PlatformAdmin.class.getName(), null);
platformAdmin.open();
}
synchronized public Bundle installBundle(String name) throws BundleException {
return installBundle(name, true);
}
synchronized public Bundle installBundle(String name, boolean track) throws BundleException {
if (bundles == null && track)
return null;
String location = getBundleLocation(name);
Bundle bundle = context.installBundle(location);
if (track)
bundles.put(name, bundle);
return bundle;
}
public String getBundleLocation(final String name) throws BundleException {
if (System.getSecurityManager() == null)
return getBundleLocation0(name);
try {
return (String) AccessController.doPrivileged(new PrivilegedExceptionAction() {
public Object run() throws Exception {
return getBundleLocation0(name);
}
});
} catch (PrivilegedActionException e) {
throw (BundleException) e.getException();
}
}
String getBundleLocation0(String name) throws BundleException {
String bundleFileName = rootLocation + "/" + name;
URL bundleURL = context.getBundle().getEntry(bundleFileName + ".jar");
if (bundleURL == null)
bundleURL = context.getBundle().getEntry(bundleFileName);
if (bundleURL == null)
throw new BundleException("Could not find bundle to install at: " + name);
try {
bundleURL = ((URLConverter) converter.getService()).resolve(bundleURL);
} catch (IOException e) {
throw new BundleException("Converter error", e);
}
String location = bundleURL.toExternalForm();
if ("file".equals(bundleURL.getProtocol()))
location = "reference:" + location;
return location;
}
synchronized public Bundle updateBundle(String fromName, String toName) throws BundleException {
if (bundles == null)
return null;
Bundle fromBundle = (Bundle) bundles.get(fromName);
if (fromBundle == null)
throw new BundleException("The bundle to update does not exist!! " + fromName);
String bundleFileName = rootLocation + "/" + toName;
URL bundleURL = context.getBundle().getEntry(bundleFileName + ".jar");
if (bundleURL == null)
bundleURL = context.getBundle().getEntry(bundleFileName);
try {
bundleURL = ((URLConverter) converter.getService()).resolve(bundleURL);
} catch (IOException e) {
throw new BundleException("Converter error", e);
}
String location = bundleURL.toExternalForm();
if ("file".equals(bundleURL.getProtocol()))
location = "reference:" + location;
try {
fromBundle.update(new URL(location).openStream());
} catch (Exception e) {
throw new BundleException("Errors when updating bundle " + fromBundle, e);
}
bundles.remove(fromName);
bundles.put(toName, fromBundle);
return fromBundle;
}
synchronized public Bundle uninstallBundle(String name) throws BundleException {
if (bundles == null)
return null;
Bundle bundle = (Bundle) bundles.remove(name);
if (bundle == null)
return null;
bundle.uninstall();
return bundle;
}
synchronized public Bundle[] uninstallAllBundles() {
if (bundles == null)
return null;
ArrayList result = new ArrayList(bundles.size());
for (Iterator iter = bundles.values().iterator(); iter.hasNext();) {
Bundle bundle = (Bundle) iter.next();
try {
bundle.uninstall();
} catch (IllegalStateException e) {
// ignore; bundle probably already uninstalled
} catch (BundleException e) {
// ignore and move on, but print stacktrace for logs
e.printStackTrace();
}
result.add(bundle);
}
bundles.clear();
return (Bundle[]) result.toArray(new Bundle[result.size()]);
}
synchronized public Bundle[] shutdown() {
if (bundles == null)
return null;
Bundle[] result = uninstallAllBundles();
refreshPackages(result);
packageAdmin.close();
startlevel.close();
converter.close();
platformAdmin.close();
bundles = null;
return result;
}
synchronized public Bundle[] refreshPackages(Bundle[] refresh) {
if (bundles == null)
return null;
PackageAdmin pa = (PackageAdmin) packageAdmin.getService();
final boolean[] flag = new boolean[] {false};
FrameworkListener listener = new FrameworkListener() {
public void frameworkEvent(FrameworkEvent event) {
if (event.getType() == FrameworkEvent.PACKAGES_REFRESHED)
synchronized (flag) {
flag[0] = true;
flag.notifyAll();
}
}
};
context.addFrameworkListener(listener);
final HashSet refreshed = new HashSet();
BundleListener refreshBundleListener = new SynchronousBundleListener() {
public void bundleChanged(BundleEvent event) {
refreshed.add(event.getBundle());
}
};
context.addBundleListener(refreshBundleListener);
try {
pa.refreshPackages(refresh);
synchronized (flag) {
while (!flag[0]) {
try {
flag.wait(5000);
} catch (InterruptedException e) {
// do nothing
}
}
}
} finally {
context.removeFrameworkListener(listener);
context.removeBundleListener(refreshBundleListener);
}
return (Bundle[]) refreshed.toArray(new Bundle[refreshed.size()]);
}
synchronized public boolean resolveBundles(Bundle[] resolve) {
if (bundles == null)
return false;
PackageAdmin pa = (PackageAdmin) packageAdmin.getService();
return pa.resolveBundles(resolve);
}
synchronized public Bundle getBundle(String name) {
if (bundles == null)
return null;
return (Bundle) bundles.get(name);
}
public StartLevel getStartLevel() {
return (StartLevel) startlevel.getService();
}
public PackageAdmin getPackageAdmin() {
return (PackageAdmin) packageAdmin.getService();
}
public PlatformAdmin getPlatformAdmin() {
return (PlatformAdmin) platformAdmin.getService();
}
}
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