Examples with ResourceImpl org.apache.felix.utils.resource.ResourceImpl used on opensource projects

Example 1 with ResourceImpl

use of org.apache.felix.utils.resource.ResourceImpl in project karaf by apache.

the class OfflineResolver method readRepository.

private static Repository readRepository(Object repository) throws BundleException {
    List<Resource> resources = new ArrayList<>();
    Collection<Map<String, List<String>>> metadatas;
    if (repository instanceof Map) {
        metadatas = ((Map<String, Map<String, List<String>>>) repository).values();
    } else {
        metadatas = (Collection<Map<String, List<String>>>) repository;
    }
    for (Map<String, List<String>> metadata : metadatas) {
        ResourceImpl res = new ResourceImpl();
        for (String cap : metadata.get("capabilities")) {
            res.addCapabilities(ResourceBuilder.parseCapability(res, cap));
        }
        if (metadata.containsKey("requirements")) {
            for (String req : metadata.get("requirements")) {
                res.addRequirements(ResourceBuilder.parseRequirement(res, req));
            }
        }
        resources.add(res);
    }
    return new BaseRepository(resources);
}

Example 2 with ResourceImpl

use of org.apache.felix.utils.resource.ResourceImpl in project karaf by apache.

the class Subsystem method requireFeature.

public void requireFeature(String name, String range, boolean mandatory) {
    if (mandatory) {
        ResourceUtils.addIdentityRequirement(this, name, TYPE_FEATURE, range);
    } else {
        ResourceImpl res = new ResourceImpl();
        ResourceUtils.addIdentityRequirement(res, name, TYPE_FEATURE, range, false);
        dependentFeatures.addAll(res.getRequirements(null));
    }
}

Example 3 with ResourceImpl

use of org.apache.felix.utils.resource.ResourceImpl in project karaf by apache.

the class Subsystem method cloneResource.

ResourceImpl cloneResource(Resource resource) {
    ResourceImpl res = new ResourceImpl();
    for (Capability cap : resource.getCapabilities(null)) {
        res.addCapability(new CapabilityImpl(res, cap.getNamespace(), new StringArrayMap<>(cap.getDirectives()), new StringArrayMap<>(cap.getAttributes())));
    }
    for (Requirement req : resource.getRequirements(null)) {
        SimpleFilter sf;
        if (req instanceof RequirementImpl) {
            sf = ((RequirementImpl) req).getFilter();
        } else if (req.getDirectives().containsKey(REQUIREMENT_FILTER_DIRECTIVE)) {
            sf = SimpleFilter.parse(req.getDirectives().get(REQUIREMENT_FILTER_DIRECTIVE));
        } else {
            sf = SimpleFilter.convert(req.getAttributes());
        }
        res.addRequirement(new RequirementImpl(res, req.getNamespace(), new StringArrayMap<>(req.getDirectives()), new StringArrayMap<>(req.getAttributes()), sf));
    }
    return res;
}

Example 4 with ResourceImpl

use of org.apache.felix.utils.resource.ResourceImpl in project karaf by apache.

the class Subsystem method downloadBundles.

/**
 * Downloads bundles for all the features in current and child subsystems. But also collects bundles
 * as {@link DependencyInfo}.
 *
 * @param manager The {@link DownloadManager} to use.
 * @param featureResolutionRange The feature resolution range to use.
 * @param serviceRequirements The {@link FeaturesService.ServiceRequirementsBehavior} behavior to use.
 * @param repos The {@link RepositoryManager} to use.
 * @param callback The {@link SubsystemResolverCallback} to use.
 */
@SuppressWarnings("InfiniteLoopStatement")
public void downloadBundles(DownloadManager manager, String featureResolutionRange, final FeaturesService.ServiceRequirementsBehavior serviceRequirements, RepositoryManager repos, SubsystemResolverCallback callback) throws Exception {
    for (Subsystem child : children) {
        child.downloadBundles(manager, featureResolutionRange, serviceRequirements, repos, callback);
    }
    // collect BundleInfos for given feature - both direct <feature>/<bundle>s and <feature>/<conditional>/<bundle>s
    final Map<BundleInfo, Conditional> infos = new HashMap<>();
    final Downloader downloader = manager.createDownloader();
    if (feature != null) {
        for (Conditional cond : feature.getConditional()) {
            if (!cond.isBlacklisted()) {
                for (final BundleInfo bi : cond.getBundles()) {
                    // bundles from conditional features will be added as non-mandatory requirements
                    infos.put(bi, cond);
                }
            }
        }
        for (BundleInfo bi : feature.getBundles()) {
            infos.put(bi, null);
        }
    }
    // infos.keySet().removeIf(Blacklisting::isBlacklisted);
    for (Iterator<BundleInfo> iterator = infos.keySet().iterator(); iterator.hasNext(); ) {
        BundleInfo bi = iterator.next();
        if (bi.isBlacklisted()) {
            iterator.remove();
            if (callback != null) {
                callback.bundleBlacklisted(bi);
            }
        }
    }
    // all downloaded bundles
    final Map<String, ResourceImpl> bundles = new ConcurrentHashMap<>();
    // resources for locations that were overriden in OSGi mode - to check whether the override should actually
    // take place, by checking resource's headers
    final Map<String, ResourceImpl> overrides = new ConcurrentHashMap<>();
    boolean removeServiceRequirements = serviceRequirementsBehavior(feature, serviceRequirements);
    // download collected BundleInfo locations
    for (Map.Entry<BundleInfo, Conditional> entry : infos.entrySet()) {
        final BundleInfo bi = entry.getKey();
        final String loc = bi.getLocation();
        downloader.download(loc, provider -> {
            // always download location (could be overriden)
            ResourceImpl resource = createResource(loc, getMetadata(provider), removeServiceRequirements);
            bundles.put(loc, resource);
            if (bi.isOverriden() == BundleInfo.BundleOverrideMode.OSGI) {
                // also download original from original bundle URI to check if we should override by comparing
                // symbolic name - requires MANIFEST.MF header access. If there should be no override, we'll get
                // back to original URI
                downloader.download(bi.getOriginalLocation(), provider2 -> {
                    ResourceImpl originalResource = createResource(bi.getOriginalLocation(), getMetadata(provider2), removeServiceRequirements);
                    bundles.put(bi.getOriginalLocation(), originalResource);
                    // an entry in overrides map means that given location was overriden
                    overrides.put(loc, originalResource);
                });
            }
        });
    }
    // download direct bundle: requirements - without consulting overrides
    for (Clause bundle : Parser.parseClauses(this.bundles.toArray(new String[this.bundles.size()]))) {
        final String loc = bundle.getName();
        downloader.download(loc, provider -> bundles.put(loc, createResource(loc, getMetadata(provider), removeServiceRequirements)));
    }
    // resolution process
    if (feature != null) {
        for (Library library : feature.getLibraries()) {
            if (library.isExport()) {
                final String loc = library.getLocation();
                downloader.download(loc, provider -> bundles.put(loc, createResource(loc, getMetadata(provider), removeServiceRequirements)));
            }
        }
    }
    downloader.await();
    // opposite to what we had before. Currently bundles are already overriden at model level, but
    // as we finally have access to headers, we can compare symbolic names and if override mode is OSGi, then
    // we can restore original resource if there should be no override.
    Overrides.override(bundles, overrides);
    if (feature != null) {
        // Add conditionals
        Map<Conditional, Resource> resConds = new HashMap<>();
        for (Conditional cond : feature.getConditional()) {
            if (cond.isBlacklisted()) {
                continue;
            }
            FeatureResource resCond = FeatureResource.build(feature, cond, featureResolutionRange, bundles);
            // feature's subsystem will optionally require conditional feature resource
            addIdentityRequirement(this, resCond, false);
            // but it's a mandatory requirement in other way
            addIdentityRequirement(resCond, this, true);
            installable.add(resCond);
            resConds.put(cond, resCond);
        }
        // Add features and make it require given subsystem that represents logical feature requirement
        FeatureResource resFeature = FeatureResource.build(feature, featureResolutionRange, bundles);
        addIdentityRequirement(resFeature, this);
        installable.add(resFeature);
        // Add dependencies
        for (Map.Entry<BundleInfo, Conditional> entry : infos.entrySet()) {
            final BundleInfo bi = entry.getKey();
            final String loc = bi.getLocation();
            final Conditional cond = entry.getValue();
            ResourceImpl res = bundles.get(loc);
            int sl = bi.getStartLevel() <= 0 ? feature.getStartLevel() : bi.getStartLevel();
            if (cond != null) {
                // bundle of conditional feature will have mandatory requirement on it
                addIdentityRequirement(res, resConds.get(cond), true);
            }
            boolean mandatory = !bi.isDependency() && cond == null;
            if (bi.isDependency()) {
                addDependency(res, mandatory, bi.isStart(), sl, bi.isBlacklisted());
            } else {
                doAddDependency(res, mandatory, bi.isStart(), sl, bi.isBlacklisted());
            }
        }
        for (Library library : feature.getLibraries()) {
            if (library.isExport()) {
                final String loc = library.getLocation();
                ResourceImpl res = bundles.get(loc);
                addDependency(res, false, false, 0, false);
            }
        }
        for (String uri : feature.getResourceRepositories()) {
            BaseRepository repo = repos.getRepository(feature.getRepositoryUrl(), uri);
            for (Resource resource : repo.getResources()) {
                ResourceImpl res = cloneResource(resource);
                addDependency(res, false, true, 0, false);
            }
        }
    }
    for (Clause bundle : Parser.parseClauses(this.bundles.toArray(new String[this.bundles.size()]))) {
        final String loc = bundle.getName();
        boolean dependency = Boolean.parseBoolean(bundle.getAttribute("dependency"));
        boolean start = bundle.getAttribute("start") == null || Boolean.parseBoolean(bundle.getAttribute("start"));
        boolean blacklisted = bundle.getAttribute("blacklisted") != null && Boolean.parseBoolean(bundle.getAttribute("blacklisted"));
        int startLevel = 0;
        try {
            startLevel = Integer.parseInt(bundle.getAttribute("start-level"));
        } catch (NumberFormatException e) {
        // Ignore
        }
        if (dependency) {
            addDependency(bundles.get(loc), false, start, startLevel, blacklisted);
        } else {
            doAddDependency(bundles.get(loc), true, start, startLevel, blacklisted);
            // non dependency bundle will be added as osgi.identity req on type=osgi.bundle
            addIdentityRequirement(this, bundles.get(loc));
        }
    }
    // Compute dependencies
    for (DependencyInfo info : dependencies.values()) {
        installable.add(info.resource);
        // bundle resource will have a requirement on its feature's subsystem too
        // when bundle is declared with dependency="true", it will have a requirement on its region's subsystem
        addIdentityRequirement(info.resource, this, info.mandatory);
    }
}

Example 5 with ResourceImpl

use of org.apache.felix.utils.resource.ResourceImpl in project karaf by apache.

the class SubsystemResolver method prepare.

@Override
public void prepare(Map<String, List<Feature>> allFeatures, Map<String, Set<String>> requirements, Map<String, Set<BundleRevision>> system) throws Exception {
    // related requirements. Each region's subsystem will also _require_ all child subsystems
    for (Map.Entry<String, Set<String>> entry : requirements.entrySet()) {
        String[] parts = entry.getKey().split("/");
        if (root == null) {
            root = new Subsystem(parts[0]);
        } else if (!root.getName().equals(parts[0])) {
            throw new IllegalArgumentException("Can not use multiple roots: " + root.getName() + ", " + parts[0]);
        }
        Subsystem ss = root;
        for (int i = 1; i < parts.length; i++) {
            String childName = String.join("/", Arrays.copyOfRange(parts, 0, i + 1));
            ss = getOrCreateChild(ss, childName, parts[i]);
        }
        for (String requirement : entry.getValue()) {
            // #1a. each "[feature:]*" and "requirement:*" requirements are added directly as resource requirements:
            // - feature: ns=osgi.identity, 'osgi.identity=f1; type=karaf.feature; filter:="(&(osgi.identity=f1)(type=karaf.feature))"'
            // - requirement: as-is
            // - bundle: added only as downloadable bundle - used only by assembly builder
            ss.require(requirement);
        }
    }
    if (root == null) {
        return;
    }
    // #2. Pre-resolve
    // - for each region's subsystem X, feature requirements are changed into child subsystems of X
    // - for each feature, any dependant features (<feature>/<feature>) will become non-mandatory (why?)
    // child subsystem of the same region's subsystem as original feature
    // - for each feature, any conditional (<feature>/<conditional>) will become mandatory (why?)
    // child subsystem of the original feature's subsystem
    root.build(allFeatures);
    // #3. Add system resources
    // - from all unmanaged bundles we'll gather Provide-Capability headers' clauses in "osgi.service" namespace
    // and Export-Service headers
    // - these capabilities will be added to "dummy" Resource added as o.a.k.features.internal.region.Subsystem.installable
    BundleRevision sysBundleRev = null;
    boolean hasEeCap = false;
    for (Map.Entry<String, Set<BundleRevision>> entry : system.entrySet()) {
        Subsystem ss = null;
        String[] parts = entry.getKey().split("/");
        String path = parts[0];
        if (path.equals(root.getName())) {
            ss = root;
        }
        for (int i = 1; ss != null && i < parts.length; i++) {
            path += "/" + parts[i];
            ss = ss.getChild(path);
        }
        if (ss != null) {
            ResourceImpl dummy = new ResourceImpl("dummy", "dummy", Version.emptyVersion);
            for (BundleRevision res : entry.getValue()) {
                // We need to explicitely provide service capabilities for bundles
                // We use both actual services and services declared from the headers
                // TODO: use actual services
                Map<String, String> headers = new DictionaryAsMap<>(res.getBundle().getHeaders());
                Resource tmp = ResourceBuilder.build(res.getBundle().getLocation(), headers);
                for (Capability cap : tmp.getCapabilities(ServiceNamespace.SERVICE_NAMESPACE)) {
                    dummy.addCapability(new CapabilityImpl(dummy, cap.getNamespace(), cap.getDirectives(), cap.getAttributes()));
                }
                ss.addSystemResource(res);
                for (Capability cap : res.getCapabilities(null)) {
                    hasEeCap |= cap.getNamespace().equals(EXECUTION_ENVIRONMENT_NAMESPACE);
                }
                if (res.getBundle().getBundleId() == 0) {
                    sysBundleRev = res;
                }
            }
            ss.addSystemResource(dummy);
        }
    }
    // Under Equinox, the osgi.ee capabilities are not provided by the system bundle
    if (!hasEeCap && sysBundleRev != null) {
        String provideCaps = sysBundleRev.getBundle().getHeaders().get(PROVIDE_CAPABILITY);
        environmentResource = new ResourceImpl("environment", "karaf.environment", Version.emptyVersion);
        environmentResource.addCapabilities(ResourceBuilder.parseCapability(environmentResource, provideCaps));
        root.addSystemResource(environmentResource);
    }
}