Examples of org.osgi.framework.Bundle.adapt()

org.osgi.framework.Bundle.adapt()
Adapt this bundle to the specified type.
Adapting this bundle to the specified type may require certain checks, including security checks, to succeed. If a check does not succeed, then this bundle cannot be adapted and {@code null} is returned. @param < A> The type to which this bundle is to be adapted. @param type Class object for the type to which this bundle is to beadapted. @return The object, of the specified type, to which this bundle has beenadapted or {@code null} if this bundle cannot be adapted to thespecified type. @throws SecurityException If the caller does not have the appropriate{@code AdaptPermission[type,this,ADAPT]}, and the Java Runtime Environment supports permissions. @since 1.6

        try {
            final Bundle b = ctx.installBundle(bundleRef, url.openStream());
            
            final int level = getStartLevel(crankstartContext);
            if(level > 0) {
                final BundleStartLevel bsl = (BundleStartLevel)b.adapt(BundleStartLevel.class);
                if(bsl == null) {
                    log.warn("Bundle does not adapt to BundleStartLevel, cannot set start level", bundleRef);
                }
                bsl.setStartLevel(level);
            }

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            throw new IOException("No bundle associated with resource: " + url);
        }
        m_contentTime = bundle.getLastModified();


        // Get the bundle's revisions to find the target revision.
        BundleRevisions revisions = bundle.adapt(BundleRevisions.class);
        if ((revisions == null) || revisions.getRevisions().isEmpty())
        {
            throw new IOException("Resource does not exist: " + url);
        }

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    {
        Bundle sysBundle = Mockito.mock(Bundle.class);
        Mockito.when(sysBundle.getHeaders()).thenReturn(new Hashtable<String, String>());


        BundleRevision br = Mockito.mock(BundleRevision.class);
        Mockito.when(sysBundle.adapt(BundleRevision.class)).thenReturn(br);
        Capability cap1 = new OSGiCapabilityImpl("some.system.cap",
                Collections.<String, Object>singletonMap("sys.cap", "something"),
                Collections.singletonMap("x", "y"));
        Capability cap2 = new OSGiCapabilityImpl("some.system.cap",
                Collections.<String, Object>singletonMap("sys.cap", "somethingelse"),

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    private RepositoryAdminImpl createRepositoryAdmin() throws Exception
    {
        Bundle sysBundle = Mockito.mock(Bundle.class);
        Mockito.when(sysBundle.getHeaders()).thenReturn(new Hashtable<String, String>());
        BundleRevision br = Mockito.mock(BundleRevision.class);
        Mockito.when(sysBundle.adapt(BundleRevision.class)).thenReturn(br);


        BundleContext bc = Mockito.mock(BundleContext.class);
        Mockito.when(bc.getBundle(0)).thenReturn(sysBundle);
        Mockito.when(sysBundle.getBundleContext()).thenReturn(bc);

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        EasyMock.expect(systemBundle.getHeaders()).andReturn(new Hashtable());
        EasyMock.expect(systemBundle.getRegisteredServices()).andReturn(null);
        EasyMock.expect(new Long(systemBundle.getBundleId())).andReturn(new Long(0)).anyTimes();
        EasyMock.expect(systemBundle.getBundleContext()).andReturn(bundleContext);
        EasyMock.expect(systemBundleRevision.getCapabilities(null)).andReturn(Collections.<Capability>emptyList());
        EasyMock.expect(systemBundle.adapt(BundleRevision.class)).andReturn(systemBundleRevision);
        bundleContext.addBundleListener((BundleListener) EasyMock.anyObject());
        bundleContext.addServiceListener((ServiceListener) EasyMock.anyObject());
        EasyMock.expect(bundleContext.getBundles()).andReturn(new Bundle[] { systemBundle });
        final Capture c = new Capture();
        EasyMock.expect(bundleContext.createFilter((String) capture(c))).andAnswer(new IAnswer() {

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        EasyMock.expect(systemBundle.getHeaders()).andReturn(new Hashtable());
        EasyMock.expect(systemBundle.getRegisteredServices()).andReturn(null);
        EasyMock.expect(new Long(systemBundle.getBundleId())).andReturn(new Long(0)).anyTimes();
        EasyMock.expect(systemBundle.getBundleContext()).andReturn(bundleContext);
        EasyMock.expect(systemBundleRevision.getCapabilities(null)).andReturn(Collections.<Capability>emptyList());
        EasyMock.expect(systemBundle.adapt(BundleRevision.class)).andReturn(systemBundleRevision);
        bundleContext.addBundleListener((BundleListener) EasyMock.anyObject());
        bundleContext.addServiceListener((ServiceListener) EasyMock.anyObject());
        EasyMock.expect(bundleContext.getBundles()).andReturn(new Bundle[] { systemBundle });
        final Capture c = new Capture();
        EasyMock.expect(bundleContext.createFilter((String) capture(c))).andAnswer(new IAnswer() {

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        EasyMock.expect(systemBundle.getHeaders()).andReturn(new Hashtable());
        EasyMock.expect(systemBundle.getRegisteredServices()).andReturn(null);
        EasyMock.expect(new Long(systemBundle.getBundleId())).andReturn(new Long(0)).anyTimes();
        EasyMock.expect(systemBundle.getBundleContext()).andReturn(bundleContext);
        EasyMock.expect(systemBundleRevision.getCapabilities(null)).andReturn(Collections.<Capability>emptyList());
        EasyMock.expect(systemBundle.adapt(BundleRevision.class)).andReturn(systemBundleRevision);
        bundleContext.addBundleListener((BundleListener) EasyMock.anyObject());
        bundleContext.addServiceListener((ServiceListener) EasyMock.anyObject());
        EasyMock.expect(bundleContext.getBundles()).andReturn(new Bundle[] { systemBundle });
        EasyMock.expect(bundleContext.createFilter(null)).andReturn(new Filter() {
            public boolean match(ServiceReference reference) {

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        EasyMock.expect(systemBundle.getHeaders()).andReturn(new Hashtable());
        EasyMock.expect(systemBundle.getRegisteredServices()).andReturn(null);
        EasyMock.expect(new Long(systemBundle.getBundleId())).andReturn(new Long(0)).anyTimes();
        EasyMock.expect(systemBundle.getBundleContext()).andReturn(bundleContext);
        EasyMock.expect(systemBundleRevision.getCapabilities(null)).andReturn(Collections.<Capability>emptyList());
        EasyMock.expect(systemBundle.adapt(BundleRevision.class)).andReturn(systemBundleRevision);
        bundleContext.addBundleListener((BundleListener) EasyMock.anyObject());
        bundleContext.addServiceListener((ServiceListener) EasyMock.anyObject());
        EasyMock.expect(bundleContext.getBundles()).andReturn(new Bundle[] { systemBundle });
        final Capture c = new Capture();
        EasyMock.expect(bundleContext.createFilter((String) capture(c))).andAnswer(new IAnswer() {

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                // bundle JAR file is represented as a revision ordered from
                // newest to oldest. We assume that the first revision found to
                // be exporting the package is the provider of the package,
                // which makes sense since it must have been resolved first.
                List<BundleRevision> originRevisions =
                    bundle.adapt(BundleRevisions.class).getRevisions();
                for (int i = originRevisions.size() - 1; i >= 0; i--)
                {
                    BundleRevision originBr = originRevisions.get(i);
                    List<BundleRevision> revisions = Collections.singletonList(originBr);

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        assertEquals("The Bundle should not directly expose osgi.wiring.package",
                0, bbr.getCapabilities("osgi.wiring.package").size());


        // Check the fragment's capabilities.
        // First check the capabilities on the Bundle Revision, which is available on installed fragments
        BundleRevision fbr = f.adapt(BundleRevision.class);
        List<Capability> fwpCaps = fbr.getCapabilities("osgi.wiring.package");
        assertEquals(1, fwpCaps.size());


        Map<String, Object> expectedFWAttrs = new HashMap<String, Object>();
        expectedFWAttrs.put("osgi.wiring.package", "org.foo.bar");

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