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

Example 36 with Filter

use of org.osgi.framework.Filter in project felix by apache.

the class ResourceProvider method add.

@SuppressWarnings("deprecation")
public void add(ServiceReference ref, ResourceHandler handler) {
    String filterString = (String) ref.getProperty("filter");
    Filter filter = null;
    if (filterString != null) {
        try {
            filter = m_context.createFilter(filterString);
        } catch (InvalidSyntaxException e) {
            Assert.fail("Could not create filter for resource handler: " + e);
            return;
        }
    }
    for (int i = 0; i < m_resources.length; i++) {
        if (filter == null || filter.match(ResourceUtil.createProperties(m_resources[i]))) {
            synchronized (m_handlers) {
                m_handlers.put(handler, filter);
            }
            handler.added(m_resources[i]);
        }
    }
}

Example 37 with Filter

use of org.osgi.framework.Filter in project felix by apache.

the class ResourceProvider method destroy.

public void destroy() {
    Map<ResourceHandler, Filter> handlers = new HashMap<>();
    synchronized (m_handlers) {
        handlers.putAll(m_handlers);
    }
    for (Map.Entry<ResourceHandler, Filter> e : handlers.entrySet()) {
        ResourceHandler handler = e.getKey();
        Filter filter = e.getValue();
        removeResources(handler, filter);
    }
}

Example 38 with Filter

use of org.osgi.framework.Filter in project felix by apache.

the class EventDispatcher method fireEventImmediately.

private static void fireEventImmediately(EventDispatcher dispatcher, int type, Map<BundleContext, List<ListenerInfo>> listeners, EventObject event, Dictionary<String, ?> oldProps) {
    if (!listeners.isEmpty()) {
        // Notify appropriate listeners.
        for (Entry<BundleContext, List<ListenerInfo>> entry : listeners.entrySet()) {
            for (ListenerInfo info : entry.getValue()) {
                Bundle bundle = info.getBundle();
                EventListener l = info.getListener();
                Filter filter = info.getParsedFilter();
                Object acc = info.getSecurityContext();
                try {
                    if (type == Request.FRAMEWORK_EVENT) {
                        invokeFrameworkListenerCallback(bundle, l, event);
                    } else if (type == Request.BUNDLE_EVENT) {
                        invokeBundleListenerCallback(bundle, l, event);
                    } else if (type == Request.SERVICE_EVENT) {
                        invokeServiceListenerCallback(bundle, l, filter, acc, event, oldProps);
                    }
                } catch (Throwable th) {
                    if ((type != Request.FRAMEWORK_EVENT) || (((FrameworkEvent) event).getType() != FrameworkEvent.ERROR)) {
                        System.out.println("EventDispatcher: Error during dispatch.");
                        th.printStackTrace();
                        dispatcher.fireFrameworkEvent(new FrameworkEvent(FrameworkEvent.ERROR, bundle, th));
                    }
                }
            }
        }
    }
}

Example 39 with Filter

use of org.osgi.framework.Filter in project felix by apache.

the class EventDispatcher method updateListener.

public Filter updateListener(BundleContext bc, Class clazz, EventListener l, Filter filter) {
    if (clazz == ServiceListener.class) {
        synchronized (this) {
            // Verify that the bundle context is still valid.
            try {
                bc.getBundle();
            } catch (IllegalStateException ex) {
            // Bundle context is no longer valid, so just return.
            }
            // See if the service listener is already registered; if so then
            // update its filter per the spec.
            List<ListenerInfo> infos = m_svcListeners.get(bc);
            for (int i = 0; (infos != null) && (i < infos.size()); i++) {
                ListenerInfo info = infos.get(i);
                if (info.getBundleContext().equals(bc) && (info.getListenerClass() == clazz) && (info.getListener() == l)) {
                    // The spec says to update the filter in this case.
                    Filter oldFilter = info.getParsedFilter();
                    ListenerInfo newInfo = new ListenerInfo(info.getBundle(), info.getBundleContext(), info.getListenerClass(), info.getListener(), filter, info.getSecurityContext(), info.isRemoved());
                    m_svcListeners = updateListenerInfo(m_svcListeners, i, newInfo);
                    return oldFilter;
                }
            }
        }
    }
    return null;
}

Example 40 with Filter

use of org.osgi.framework.Filter in project felix by apache.

the class EventDispatcher method addListener.

public Filter addListener(BundleContext bc, Class clazz, EventListener l, Filter filter) {
    // Verify the listener.
    if (l == null) {
        throw new IllegalArgumentException("Listener is null");
    } else if (!clazz.isInstance(l)) {
        throw new IllegalArgumentException("Listener not of type " + clazz.getName());
    }
    // See if we can simply update the listener, if so then
    // return immediately.
    Filter oldFilter = updateListener(bc, clazz, l, filter);
    if (oldFilter != null) {
        return oldFilter;
    }
    // Lock the object to add the listener.
    synchronized (this) {
        // Verify that the bundle context is still valid.
        try {
            bc.getBundle();
        } catch (IllegalStateException ex) {
        // Bundle context is no longer valid, so just return.
        }
        Map<BundleContext, List<ListenerInfo>> listeners;
        Object acc = null;
        if (clazz == FrameworkListener.class) {
            listeners = m_fwkListeners;
        } else if (clazz == BundleListener.class) {
            if (SynchronousBundleListener.class.isInstance(l)) {
                listeners = m_syncBndlListeners;
            } else {
                listeners = m_bndlListeners;
            }
        } else if (clazz == ServiceListener.class) {
            // Remember security context for filtering service events.
            /* Object sm = System.getSecurityManager();
                 if (sm != null)
                 {
                 acc = ((SecurityManager) sm).getSecurityContext();
                 }*/
            // We need to create a Set for keeping track of matching service
            // registrations so we can fire ServiceEvent.MODIFIED_ENDMATCH
            // events. We need a Set even if filter is null, since the
            // listener can be updated and have a filter added later.
            listeners = m_svcListeners;
        } else {
            throw new IllegalArgumentException("Unknown listener: " + l.getClass());
        }
        // Add listener.
        ListenerInfo info = new ListenerInfo(bc.getBundle(), bc, clazz, l, filter, acc, false);
        listeners = addListenerInfo(listeners, info);
        if (clazz == FrameworkListener.class) {
            m_fwkListeners = listeners;
        } else if (clazz == BundleListener.class) {
            if (SynchronousBundleListener.class.isInstance(l)) {
                m_syncBndlListeners = listeners;
            } else {
                m_bndlListeners = listeners;
            }
        } else if (clazz == ServiceListener.class) {
            m_svcListeners = listeners;
        }
    }
    return null;
}