/**
* @param systemContext
* @throws MalformedURLException
* @throws FileNotFoundException
* @throws IOException
*/
private void update() throws Exception {
trace("Updating framework with %s", parms.runbundles);
// Turn the bundle location paths into files
List<File> desired = new ArrayList<File>();
for (Object o : parms.runbundles) {
File file = new File((String) o).getAbsoluteFile();
if (!file.exists()) error("Bundle files does not exist: " + file);
else desired.add(file);
}
// deleted = old - new
List<File> tobedeleted = new ArrayList<File>(installedBundles.keySet());
tobedeleted.removeAll(desired);
// updated = old /\ new
List<File> tobeupdated = new ArrayList<File>(installedBundles.keySet());
tobeupdated.retainAll(desired);
// install = new - old
List<File> tobeinstalled = new ArrayList<File>(desired);
tobeinstalled.removeAll(installedBundles.keySet());
List<Bundle> tobestarted = new ArrayList<Bundle>();
for (File f : tobedeleted)
try {
trace("uninstalling %s", f);
installedBundles.get(f).uninstall();
installedBundles.remove(f);
} catch (Exception e) {
error("Failed to uninstall bundle %s, exception %s", f, e);
}
for (File f : tobeinstalled)
try {
trace("installing %s", f);
Bundle b = install(f);
installedBundles.put(f, b);
tobestarted.add(b);
} catch (Exception e) {
error("Failed to uninstall bundle %s, exception %s", f, e);
}
for (File f : tobeupdated)
try {
Bundle b = installedBundles.get(f);
if (b.getLastModified() < f.lastModified()) {
trace("updating %s", f);
if (b.getState() == Bundle.ACTIVE) {
tobestarted.add(b);
b.stop();
}
b.update();
} else trace("bundle is still current according to timestamp %s", f);
} catch (Exception e) {
error("Failed to update bundle %s, exception %s", f, e);
}
if (padmin != null) padmin.refreshPackages(null);
trace("bundles administered %s", installedBundles.keySet());
// From now on, the bundles are on their own. They have
// by default AllPermission, but if they install bundles
// they will not automatically get AllPermission anymore
// Get the resolved status
if (padmin != null && padmin.resolveBundles(null) == false) {
error("could not resolve the bundles");
// return LauncherConstants.RESOLVE_ERROR;
}
// Now start all the installed bundles in the same order
// (unless they're a fragment)
trace("Will start bundles: %s", tobestarted);
for (Bundle b : tobestarted) {
try {
trace("starting %s", b.getSymbolicName());
if (!isFragment(b)) b.start(Bundle.START_ACTIVATION_POLICY);
trace("started %s", b.getSymbolicName());
} catch (BundleException e) {
error("Failed to start bundle %s-%s, exception %s", b.getSymbolicName(), b.getVersion(), e);
}
}
}
/**
* Install all bundles contained in the specified crates from the given crate location.
*
* @param context The bundle context to use for interacting with OSGi.
* @param location The location containing the crates.
* @param crates The set of crates to activate.
* @return an ordered list of bundles whose 'start' flag is set to true in their containing crate
* @throws CrateException on read error.
*/
public static List<Bundle> installBundles(
BundleContext context, InstallLocation location, Crate... crates) throws CrateException {
Logger logger = Logger.getLogger(CrateStarterElf.class);
List<Crate> toLoad = expandDependencies(location, crates);
Map<String, Bundle> installed = new HashMap<String, Bundle>();
for (Bundle bundle : context.getBundles()) {
installed.put(bundle.getSymbolicName(), bundle);
}
// prevent osgi from trying to be installed.
installed.put("org.eclipse.osgi", null);
ServiceReference reference = context.getServiceReference(StartLevel.class.getName());
StartLevel start = (StartLevel) context.getService(reference);
List<Bundle> bundles = new ArrayList<Bundle>();
List<Bundle> toStart = new LinkedList<Bundle>();
for (Crate crate : toLoad) {
for (CrateBundle bundle : crate.getBundles()) {
if (installed.containsKey(bundle.getId())) {
if (bundle.isStart()) {
Bundle alreadyInstalledBundle = installed.get(bundle.getId());
if (alreadyInstalledBundle != null) {
int state = alreadyInstalledBundle.getState();
if (state != Bundle.ACTIVE && state != Bundle.STARTING) {
toStart.add(alreadyInstalledBundle);
}
}
}
continue;
}
installed.put(bundle.getId(), null);
// exclude fragments not applicable for the platform.
if (!location.isApplicable(bundle)) {
continue;
}
File file = getFileForBundle(location.getRoot(), bundle);
try {
Bundle b = context.installBundle("reference:file:" + file.toString());
bundles.add(b);
if (bundle.getStartLevel() > 0) {
start.setBundleStartLevel(b, bundle.getStartLevel());
}
if (bundle.isStart()) {
toStart.add(b);
}
logger.debug("Installed bundle: " + bundle.getId());
} catch (BundleException e) {
logger.warn("Error installing bundle: " + bundle.getId(), e);
}
}
}
context.ungetService(reference);
reference = context.getServiceReference(PackageAdmin.class.getName());
PackageAdmin packageAdmin = (PackageAdmin) context.getService(reference);
packageAdmin.resolveBundles(bundles.toArray(new Bundle[bundles.size()]));
context.ungetService(reference);
return toStart;
}
