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

Example 11 with Filter

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

the class AbstractIntegrationTest method getOsgiService.

protected <T> T getOsgiService(BundleContext bc, Class<T> type, String filter, long timeout) {
    ServiceTracker tracker = null;
    try {
        String flt;
        if (filter != null) {
            if (filter.startsWith("(")) {
                flt = "(&(" + Constants.OBJECTCLASS + "=" + type.getName() + ")" + filter + ")";
            } else {
                flt = "(&(" + Constants.OBJECTCLASS + "=" + type.getName() + ")(" + filter + "))";
            }
        } else {
            flt = "(" + Constants.OBJECTCLASS + "=" + type.getName() + ")";
        }
        Filter osgiFilter = FrameworkUtil.createFilter(flt);
        tracker = new ServiceTracker(bc == null ? bundleContext : bc, osgiFilter, null);
        tracker.open();
        // add tracker to the list of trackers we close at tear down
        srs.add(tracker);
        Object x = tracker.waitForService(timeout);
        Object svc = type.cast(x);
        if (svc == null) {
            throw new RuntimeException("Gave up waiting for service " + flt);
        }
        return type.cast(svc);
    } catch (InvalidSyntaxException e) {
        throw new IllegalArgumentException("Invalid filter", e);
    } catch (InterruptedException e) {
        throw new RuntimeException(e);
    }
}

Example 12 with Filter

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

the class AbstractJPATransactionTest method getService.

protected <T> T getService(Class<T> clazz, String filter, long timeout) throws InvalidSyntaxException {
    Filter f = FrameworkUtil.createFilter(filter == null ? "(|(foo=bar)(!(foo=bar)))" : filter);
    ServiceTracker<T, T> tracker = new ServiceTracker<T, T>(context, clazz, null) {

        @Override
        public T addingService(ServiceReference<T> reference) {
            return f.match(reference) ? super.addingService(reference) : null;
        }
    };
    tracker.open();
    try {
        T t = tracker.waitForService(timeout);
        if (t == null) {
            throw new NoSuchElementException(clazz.getName());
        }
        return t;
    } catch (InterruptedException e) {
        throw new RuntimeException("Error waiting for service " + clazz.getName(), e);
    } finally {
        trackers.add(tracker);
    }
}

Example 13 with Filter

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

the class ImportedServiceImpl method generateAttributeFilter.

private Filter generateAttributeFilter(Map<String, String> attrsToPopulate) throws InvalidAttributeException {
    logger.debug(LOG_ENTRY, "generateAttributeFilter", new Object[] { attrsToPopulate });
    Filter result = null;
    try {
        attrsToPopulate.put(ModellingConstants.OBR_SERVICE, ModellingConstants.OBR_SERVICE);
        if (_blueprintFilter != null) {
            // We may get blueprint filters of the form (&(a=b)(c=d)). We can't put these in 'whole' because we'll 
            // end up generating a filter of the form (&(objectClass=foo)(&(a=b)(c=d)) which subsequent calls to 
            // parseFilter will choke on. So as an interim fix we'll strip off a leading &( and trailing ) if present. 
            String reducedBlueprintFilter;
            if (_blueprintFilter.startsWith("(&")) {
                reducedBlueprintFilter = _blueprintFilter.substring(2, _blueprintFilter.length() - 1);
            } else {
                reducedBlueprintFilter = _blueprintFilter;
            }
            attrsToPopulate.put(ManifestHeaderProcessor.NESTED_FILTER_ATTRIBUTE, reducedBlueprintFilter);
        }
        if (_componentName != null) {
            attrsToPopulate.put("osgi.service.blueprint.compname", _componentName);
        }
        if (_iface != null) {
            attrsToPopulate.put(Constants.OBJECTCLASS, _iface);
        }
        _attribFilterString = ManifestHeaderProcessor.generateFilter(_attributes);
        if (!"".equals(_attribFilterString)) {
            result = FrameworkUtil.createFilter(FilterUtils.removeMandatoryFilterToken(_attribFilterString));
        }
    } catch (InvalidSyntaxException isx) {
        InvalidAttributeException iax = new InvalidAttributeException("A syntax error occurred attempting to parse the blueprint filter string '" + _blueprintFilter + "' for element with id " + _id + ": " + isx.getLocalizedMessage(), isx);
        logger.debug(LOG_EXIT, "generateAttributeFilter", new Object[] { isx });
        throw iax;
    }
    logger.debug(LOG_EXIT, "generateAttributeFilter", new Object[] { result });
    return result;
}

Example 14 with Filter

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

the class ConsumerHeaderProcessor method processRequireCapabilityHeader.

private static Set<WeavingData> processRequireCapabilityHeader(String consumerHeader) throws InvalidSyntaxException {
    Set<WeavingData> weavingData = new HashSet<WeavingData>();
    List<GenericMetadata> requirements = ManifestHeaderProcessor.parseRequirementString(consumerHeader);
    GenericMetadata extenderRequirement = findRequirement(requirements, SpiFlyConstants.EXTENDER_CAPABILITY_NAMESPACE, SpiFlyConstants.PROCESSOR_EXTENDER_NAME);
    Collection<GenericMetadata> serviceLoaderRequirements = findAllMetadata(requirements, SpiFlyConstants.SERVICELOADER_CAPABILITY_NAMESPACE);
    if (extenderRequirement != null) {
        ArgRestrictions ar = new ArgRestrictions();
        ar.addRestriction(0, Class.class.getName());
        MethodRestriction mr = new MethodRestriction("load", ar);
        List<BundleDescriptor> allowedBundles = new ArrayList<BundleDescriptor>();
        for (GenericMetadata req : serviceLoaderRequirements) {
            String slFilterString = req.getDirectives().get(SpiFlyConstants.FILTER_DIRECTIVE);
            if (slFilterString != null) {
                Filter slFilter = FrameworkUtil.createFilter(slFilterString);
                allowedBundles.add(new BundleDescriptor(slFilter));
            }
        }
        weavingData.add(createWeavingData(ServiceLoader.class.getName(), "load", mr, allowedBundles));
    }
    return weavingData;
}

Example 15 with Filter

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

the class ProviderBundleTrackerCustomizer method findRequirement.

private static GenericMetadata findRequirement(List<GenericMetadata> requirements, String namespace, String type) throws InvalidSyntaxException {
    Dictionary<String, String> nsAttr = new Hashtable<String, String>();
    nsAttr.put(namespace, type);
    for (GenericMetadata req : requirements) {
        if (namespace.equals(req.getNamespace())) {
            String filterString = req.getDirectives().get(SpiFlyConstants.FILTER_DIRECTIVE);
            if (filterString != null) {
                Filter filter = FrameworkUtil.createFilter(filterString);
                if (filter.match(nsAttr)) {
                    return req;
                }
            }
        }
    }
    return null;
}