Examples with BundleRequirement org.osgi.framework.wiring.BundleRequirement used on opensource projects

Example 31 with BundleRequirement

use of org.osgi.framework.wiring.BundleRequirement in project karaf by apache.

the class BundleWiresTest method packageWire.

private BundleWire packageWire(String packageFilter, BundleCapability bundleRef) {
    BundleWire wire = c.createMock(BundleWire.class);
    BundleRequirement req = packageRequirement(packageFilter);
    expect(wire.getRequirement()).andReturn(req);
    expect(wire.getCapability()).andReturn(bundleRef);
    return wire;
}

Example 32 with BundleRequirement

use of org.osgi.framework.wiring.BundleRequirement in project karaf by apache.

the class BundleWiresTest method testFilterMatches.

@Test
public void testFilterMatches() throws IOException {
    BundleWires wires = readFromFile();
    BundleRequirement req = packageRequirement(packageFilter);
    BundleCapability candidate1 = bundleCap(targetBundleId, targetBundleVersion);
    List<BundleCapability> candidates = new ArrayList<>();
    candidates.add(candidate1);
    BundleCapability matchingCandidate = bundleCap(targetBundleId, "1.1.0");
    candidates.add(matchingCandidate);
    c.replay();
    wires.filterMatches(req, candidates);
    assertEquals(1, candidates.size());
    assertEquals(candidate1, candidates.iterator().next());
    c.verify();
}

Example 33 with BundleRequirement

use of org.osgi.framework.wiring.BundleRequirement in project felix by apache.

the class StatefulResolver method isAllowedDynamicImport.

// This method duplicates a lot of logic from:
// ResolverImpl.getDynamicImportCandidates()
// This is only a rough check since it doesn't include resolver hooks.
boolean isAllowedDynamicImport(BundleRevision revision, String pkgName) {
    // package be dynamically imported.
    if ((revision.getWiring() == null) || pkgName.length() == 0) {
        return false;
    }
    // If the revision doesn't have dynamic imports, then just return
    // immediately.
    List<BundleRequirement> dynamics = Util.getDynamicRequirements(revision.getWiring().getRequirements(null));
    if ((dynamics == null) || dynamics.isEmpty()) {
        return false;
    }
    // attempt to dynamically import it.
    for (BundleCapability cap : revision.getWiring().getCapabilities(null)) {
        if (cap.getNamespace().equals(BundleRevision.PACKAGE_NAMESPACE) && cap.getAttributes().get(BundleRevision.PACKAGE_NAMESPACE).equals(pkgName)) {
            return false;
        }
    }
    // we cannot dynamically import it.
    if (((BundleWiringImpl) revision.getWiring()).hasPackageSource(pkgName)) {
        return false;
    }
    // Loop through the importer's dynamic requirements to determine if
    // there is a matching one for the package from which we want to
    // load a class.
    Map<String, Object> attrs = Collections.singletonMap(BundleRevision.PACKAGE_NAMESPACE, (Object) pkgName);
    BundleRequirementImpl req = new BundleRequirementImpl(revision, BundleRevision.PACKAGE_NAMESPACE, Collections.EMPTY_MAP, attrs);
    List<BundleCapability> candidates = findProviders(req, false);
    // Try to find a dynamic requirement that matches the capabilities.
    BundleRequirementImpl dynReq = null;
    for (int dynIdx = 0; (candidates.size() > 0) && (dynReq == null) && (dynIdx < dynamics.size()); dynIdx++) {
        for (Iterator<BundleCapability> itCand = candidates.iterator(); (dynReq == null) && itCand.hasNext(); ) {
            Capability cap = itCand.next();
            if (CapabilitySet.matches(cap, ((BundleRequirementImpl) dynamics.get(dynIdx)).getFilter())) {
                dynReq = (BundleRequirementImpl) dynamics.get(dynIdx);
            }
        }
    }
    // any candidates that do not match it.
    if (dynReq != null) {
        for (Iterator<BundleCapability> itCand = candidates.iterator(); itCand.hasNext(); ) {
            Capability cap = itCand.next();
            if (!CapabilitySet.matches(cap, dynReq.getFilter())) {
                itCand.remove();
            }
        }
    } else {
        candidates.clear();
    }
    return !candidates.isEmpty();
}

Example 34 with BundleRequirement

use of org.osgi.framework.wiring.BundleRequirement in project felix by apache.

the class ManifestParserTest method testConvertNativeCode.

public void testConvertNativeCode() throws InvalidSyntaxException {
    List<NativeLibraryClause> nativeLibraryClauses = new ArrayList<NativeLibraryClause>();
    String[] libraryFiles = { "lib/http.dll", "lib/zlib.dll" };
    String[] osNames = { "Windows95", "Windows98", "WindowsNT" };
    String[] processors = { "x86" };
    String[] osVersions = null;
    String[] languages = { "en", "se" };
    String selectionFilter = "(com.acme.windowing=win32)";
    NativeLibraryClause clause = new NativeLibraryClause(libraryFiles, osNames, processors, osVersions, languages, selectionFilter);
    BundleRevision owner = mock(BundleRevision.class);
    nativeLibraryClauses.add(clause);
    List<BundleRequirement> nativeBundleReq = ManifestParser.convertNativeCode(owner, nativeLibraryClauses, false);
    BundleRequirement ir = findRequirement(nativeBundleReq, NativeNamespace.NATIVE_NAMESPACE);
    String filterStr = (String) ir.getDirectives().get(NativeNamespace.REQUIREMENT_FILTER_DIRECTIVE);
    Filter actualFilter = FrameworkUtil.createFilter(filterStr);
    Filter expectedFilter = FrameworkUtil.createFilter("(&(|" + "(osgi.native.osname~=windows95)(osgi.native.osname~=windows98)(osgi.native.osname~=windowsnt)" + ")" + "(osgi.native.processor~=x86)" + "(|(osgi.native.language~=en)" + "(osgi.native.language~=se)" + ")" + "(com.acme.windowing=win32))");
    assertEquals("Filter Should contain native requirements", expectedFilter, actualFilter);
}

Example 35 with BundleRequirement

use of org.osgi.framework.wiring.BundleRequirement in project felix by apache.

the class Inspect method aggregateRequirements.

private static Map<BundleRequirement, List<BundleWire>> aggregateRequirements(List<String> namespace, List<BundleWire> wires) {
    // Aggregate matching capabilities.
    Map<BundleRequirement, List<BundleWire>> map = new HashMap<BundleRequirement, List<BundleWire>>();
    for (BundleWire wire : wires) {
        if (matchNamespace(namespace, wire.getRequirement().getNamespace())) {
            List<BundleWire> providers = map.get(wire.getRequirement());
            if (providers == null) {
                providers = new ArrayList<BundleWire>();
                map.put(wire.getRequirement(), providers);
            }
            providers.add(wire);
        }
    }
    return map;
}