Examples with FrameworkEvent org.osgi.framework.FrameworkEvent used on opensource projects

Example 6 with FrameworkEvent

use of org.osgi.framework.FrameworkEvent in project bnd by bndtools.

the class Launcher method createFramework.

private Framework createFramework() throws Exception {
    Properties p = new Properties();
    p.putAll(properties);
    File workingdir = null;
    if (parms.storageDir != null)
        workingdir = parms.storageDir;
    else if (parms.keep && parms.name != null) {
        workingdir = new File(bnd, parms.name);
    }
    if (workingdir == null) {
        workingdir = File.createTempFile("osgi.", ".fw");
        final File wd = workingdir;
        Runtime.getRuntime().addShutdownHook(new Thread("launcher::delete temp working dir") {

            public void run() {
                deleteFiles(wd);
            }
        });
    }
    trace("using working dir: %s with keeping=%s", workingdir, parms.keep);
    if (!parms.keep && workingdir.exists()) {
        trace("deleting working dir %s because not kept", workingdir);
        delete(workingdir);
        p.setProperty(Constants.FRAMEWORK_STORAGE_CLEAN, "true");
    }
    IO.mkdirs(workingdir);
    if (!workingdir.isDirectory())
        throw new IllegalArgumentException("Cannot create a working dir: " + workingdir);
    if (System.getProperty(Constants.FRAMEWORK_STORAGE) == null)
        p.setProperty(Constants.FRAMEWORK_STORAGE, workingdir.getAbsolutePath());
    else
        p.setProperty(Constants.FRAMEWORK_STORAGE, System.getProperty(Constants.FRAMEWORK_STORAGE));
    if (parms.systemPackages != null) {
        p.setProperty(Constants.FRAMEWORK_SYSTEMPACKAGES_EXTRA, parms.systemPackages);
        trace("system packages used: %s", parms.systemPackages);
    }
    if (parms.systemCapabilities != null) {
        p.setProperty(FRAMEWORK_SYSTEM_CAPABILITIES_EXTRA, parms.systemCapabilities);
        trace("system capabilities used: %s", parms.systemCapabilities);
    }
    Framework systemBundle;
    if (parms.services) {
        trace("using META-INF/services");
        // 3) framework = null, lookup in META-INF/services
        ClassLoader loader = getClass().getClassLoader();
        // 3) Lookup in META-INF/services
        List<String> implementations = getMetaInfServices(loader, FrameworkFactory.class.getName());
        if (implementations.size() == 0)
            error("Found no fw implementation");
        if (implementations.size() > 1)
            error("Found more than one framework implementations: %s", implementations);
        String implementation = implementations.get(0);
        Class<?> clazz = loader.loadClass(implementation);
        FrameworkFactory factory = (FrameworkFactory) clazz.getConstructor().newInstance();
        trace("Framework factory %s", factory);
        @SuppressWarnings({ "unchecked", "rawtypes" }) Map<String, String> configuration = (Map) p;
        systemBundle = factory.newFramework(configuration);
        trace("framework instance %s", systemBundle);
    } else {
        trace("using embedded mini framework because we were told not to use META-INF/services");
        // we have to use our own dummy framework
        systemBundle = new MiniFramework(p);
    }
    systemBundle.init();
    try {
        systemBundle.getBundleContext().addFrameworkListener(new FrameworkListener() {

            public void frameworkEvent(FrameworkEvent event) {
                switch(event.getType()) {
                    case FrameworkEvent.ERROR:
                    case FrameworkEvent.WAIT_TIMEDOUT:
                        trace("Refresh will end due to error or timeout %s", event.toString());
                    case FrameworkEvent.PACKAGES_REFRESHED:
                        inrefresh = false;
                        trace("refresh ended");
                        break;
                }
            }
        });
    } catch (Exception e) {
        trace("could not register a framework listener: %s", e);
    }
    trace("inited system bundle %s", systemBundle);
    return systemBundle;
}

Example 7 with FrameworkEvent

use of org.osgi.framework.FrameworkEvent in project bnd by bndtools.

the class Launcher method doTimeoutHandler.

private void doTimeoutHandler() {
    // Ensure we properly close in a separate thread so that
    // we can leverage the main thread, which is required for macs
    Thread wait = new Thread("FrameworkWaiter") {

        @Override
        public void run() {
            try {
                FrameworkEvent result = systemBundle.waitForStop(parms.timeout);
                if (!active.get()) {
                    trace("ignoring timeout handler because framework is already no longer active, shutdown is orderly handled");
                    return;
                }
                trace("framework event " + result + " " + result.getType());
                switch(result.getType()) {
                    case FrameworkEvent.STOPPED:
                        trace("framework event stopped");
                        System.exit(LauncherConstants.STOPPED);
                        break;
                    case FrameworkEvent.WAIT_TIMEDOUT:
                        trace("framework event timedout");
                        System.exit(LauncherConstants.TIMEDOUT);
                        break;
                    case FrameworkEvent.ERROR:
                        System.exit(ERROR);
                        break;
                    case FrameworkEvent.WARNING:
                        System.exit(WARNING);
                        break;
                    case FrameworkEvent.STOPPED_BOOTCLASSPATH_MODIFIED:
                    case FrameworkEvent.STOPPED_UPDATE:
                        trace("framework event update");
                        System.exit(UPDATE_NEEDED);
                        break;
                }
            } catch (InterruptedException e) {
                System.exit(CANCELED);
            }
        }
    };
    wait.start();
}

Example 8 with FrameworkEvent

use of org.osgi.framework.FrameworkEvent in project atlas by alibaba.

the class Framework method notifyFrameworkListeners.

/**
     * notify all framework listeners.
     *
     * @param state the new state.
     * @param bundle the bundle.
     * @param throwable a throwable.
     */
static void notifyFrameworkListeners(final int state, final Bundle bundle, final Throwable throwable) {
    if (frameworkListeners.isEmpty()) {
        return;
    }
    final FrameworkEvent event = new FrameworkEvent(state, bundle, throwable);
    final FrameworkListener[] listeners = (FrameworkListener[]) frameworkListeners.toArray(new FrameworkListener[frameworkListeners.size()]);
    for (int i = 0; i < listeners.length; i++) {
        final FrameworkListener listener = listeners[i];
        listener.frameworkEvent(event);
    }
}

Example 9 with FrameworkEvent

use of org.osgi.framework.FrameworkEvent in project aries by apache.

the class BundleFrameworkImpl method increaseStartLevel.

private void increaseStartLevel(BundleContext context) {
    /*
       * Algorithm for doing this
       * 
       * 1. Set up a framework listener that will tell us when the start level has been set.
       * 
       * 2. Change the start level. This is asynchronous so by the time the method returned the event 
       *    could have been sent. This is why we set up the listener in step 1.
       * 
       * 3. Wait until the start level has been set appropriately. At this stage all the bundles are startable
       *    and some have been started (most notably lazy activated bundles it appears). Other bundles are still
       *    in resolved state.
       */
    ServiceReference ref = context.getServiceReference(StartLevel.class.getName());
    if (ref != null) {
        StartLevel sl = (StartLevel) context.getService(ref);
        if (sl != null) {
            final Semaphore waitForStartLevelChangedEventToOccur = new Semaphore(0);
            // step 1
            FrameworkListener listener = new FrameworkListener() {

                public void frameworkEvent(FrameworkEvent event) {
                    if (event.getType() == FrameworkEvent.STARTLEVEL_CHANGED) {
                        waitForStartLevelChangedEventToOccur.release();
                    }
                }
            };
            context.addFrameworkListener(listener);
            // step 2
            sl.setStartLevel(sl.getStartLevel() + 1);
            // step 3
            try {
                if (!!!waitForStartLevelChangedEventToOccur.tryAcquire(60, TimeUnit.SECONDS)) {
                    LOGGER.debug("Starting CBA child bundles took longer than 60 seconds");
                }
            } catch (InterruptedException e) {
                // restore the interrupted status
                Thread.currentThread().interrupt();
            }
            context.removeFrameworkListener(listener);
        }
        context.ungetService(ref);
    }
}

Example 10 with FrameworkEvent

use of org.osgi.framework.FrameworkEvent in project aries by apache.

the class BundleFrameworkManagerImpl method uninstallBundle.

public void uninstallBundle(Bundle b) throws BundleException {
    synchronized (BundleFrameworkManager.SHARED_FRAMEWORK_LOCK) {
        BundleFramework framework = getBundleFramework(b);
        if (framework != null) {
            for (Bundle bundle : new ArrayList<Bundle>(framework.getBundles())) {
                framework.uninstall(bundle);
            }
            BundleContext ctx = framework.getIsolatedBundleContext();
            ServiceReference ref = ctx.getServiceReference(PackageAdmin.class.getName());
            if (ref != null) {
                try {
                    PackageAdmin pa = (PackageAdmin) ctx.getService(ref);
                    if (pa != null) {
                        final Semaphore sem = new Semaphore(0);
                        FrameworkListener listener = new FrameworkListener() {

                            public void frameworkEvent(FrameworkEvent event) {
                                if (event.getType() == FrameworkEvent.PACKAGES_REFRESHED) {
                                    sem.release();
                                }
                            }
                        };
                        ctx.addFrameworkListener(listener);
                        pa.refreshPackages(null);
                        try {
                            sem.tryAcquire(60, TimeUnit.SECONDS);
                        } catch (InterruptedException ie) {
                        }
                        ctx.removeFrameworkListener(listener);
                    }
                } finally {
                    ctx.ungetService(ref);
                }
            }
            framework.close();
            // clean up our maps so we don't leak memory
            _frameworks.remove(b);
            Iterator<BundleFramework> it = _frameworksByAppScope.values().iterator();
            while (it.hasNext()) {
                if (it.next().equals(framework))
                    it.remove();
            }
        }
    }
}