Examples with RequiredBundle org.osgi.service.packageadmin.RequiredBundle used on opensource projects

Example 1 with RequiredBundle

use of org.osgi.service.packageadmin.RequiredBundle in project aries by apache.

the class FrameworkUtils method isBundleRequiredByOthers.

/**
     * Checks if the given bundle is currently required by other bundles
     * 
     * @param bundle
     * @param packageAdmin
     * @return
     * @throws IllegalArgumentException
     *             if bundle or packageAdmin are null
     */
public static boolean isBundleRequiredByOthers(Bundle bundle, PackageAdmin packageAdmin) throws IllegalArgumentException {
    if (bundle == null) {
        throw new IllegalArgumentException("Argument bundle cannot be null");
    }
    if (packageAdmin == null) {
        throw new IllegalArgumentException("Argument packageAdmin cannot be null");
    }
    boolean result = false;
    // Check imported packages (statically or dynamically)
    ExportedPackage[] exportedPackages = packageAdmin.getExportedPackages(bundle);
    if (exportedPackages != null) {
        for (ExportedPackage exportedPackage : exportedPackages) {
            Bundle[] importingBundles = exportedPackage.getImportingBundles();
            if (importingBundles != null && importingBundles.length > 0) {
                result = true;
                break;
            }
        }
    }
    if (!result) {
        // Check required bundles
        RequiredBundle[] requiredBundles = packageAdmin.getRequiredBundles(bundle.getSymbolicName());
        if (requiredBundles != null) {
            for (RequiredBundle requiredBundle : requiredBundles) {
                Bundle required = requiredBundle.getBundle();
                if (required == bundle) {
                    Bundle[] requiring = requiredBundle.getRequiringBundles();
                    if (requiring != null && requiring.length > 0) {
                        result = true;
                        break;
                    }
                }
            }
        }
    }
    if (!result) {
        // Check fragment bundles
        Bundle[] fragments = packageAdmin.getFragments(bundle);
        if (fragments != null && fragments.length > 0) {
            result = true;
        }
    }
    return result;
}

Example 2 with RequiredBundle

use of org.osgi.service.packageadmin.RequiredBundle in project aries by apache.

the class FrameworkUtils method getDependentBundles.

/**
     * Returns an array of ids of bundles that depend on the given bundle
     * 
     * @param bundle
     * @param packageAdmin
     * @return
     * @throws IllegalArgumentException
     *             if bundle or packageAdmin are null
     */
public static long[] getDependentBundles(Bundle bundle, PackageAdmin packageAdmin) throws IllegalArgumentException {
    if (bundle == null) {
        throw new IllegalArgumentException("Argument bundle cannot be null");
    }
    if (packageAdmin == null) {
        throw new IllegalArgumentException("Argument packageAdmin cannot be null");
    }
    Set<Bundle> dependencies = new HashSet<Bundle>();
    // Handle imported packages (statically or dynamically)
    ExportedPackage[] exportedPackages = packageAdmin.getExportedPackages(bundle);
    if (exportedPackages != null) {
        for (ExportedPackage exportedPackage : exportedPackages) {
            Bundle[] importingBundles = exportedPackage.getImportingBundles();
            if (importingBundles != null) {
                for (Bundle importingBundle : importingBundles) {
                    dependencies.add(importingBundle);
                }
            }
        }
    }
    // Handle required bundles
    RequiredBundle[] requiredBundles = packageAdmin.getRequiredBundles(bundle.getSymbolicName());
    if (requiredBundles != null) {
        for (RequiredBundle requiredBundle : requiredBundles) {
            Bundle required = requiredBundle.getBundle();
            if (required == bundle) {
                Bundle[] requiringBundles = requiredBundle.getRequiringBundles();
                if (requiringBundles != null) {
                    for (Bundle requiringBundle : requiringBundles) {
                        dependencies.add(requiringBundle);
                    }
                }
            }
        }
    }
    // Handle fragment bundles
    Bundle[] fragments = packageAdmin.getFragments(bundle);
    if (fragments != null) {
        for (Bundle fragment : fragments) {
            dependencies.add(fragment);
        }
    }
    return getBundleIds(dependencies.toArray(new Bundle[dependencies.size()]));
}

Example 3 with RequiredBundle

use of org.osgi.service.packageadmin.RequiredBundle in project aries by apache.

the class FrameworkUtils method getBundleDependencies.

/**
     * Returns an array of ids of bundles the given bundle depends on
     * 
     * @param localBundleContext
     *            BundleContext object of this bundle/caller
     * @param bundle
     *            target Bundle object to query dependencies for
     * @param packageAdmin
     * 
     * @return
     * @throws IllegalArgumentException
     *             if bundle or packageAdmin are null
     */
@SuppressWarnings("unchecked")
public static long[] getBundleDependencies(BundleContext localBundleContext, Bundle bundle, PackageAdmin packageAdmin) throws IllegalArgumentException {
    if (bundle == null) {
        throw new IllegalArgumentException("Argument bundle cannot be null");
    }
    if (packageAdmin == null) {
        throw new IllegalArgumentException("Argument packageAdmin cannot be null");
    }
    Set<Bundle> dependencies = new HashSet<Bundle>();
    for (ExportedPackage ep : getBundleImportedPackagesRaw(localBundleContext, bundle, packageAdmin)) {
        dependencies.add(ep.getExportingBundle());
    }
    // Handle required bundles
    Dictionary<String, String> bundleHeaders = bundle.getHeaders();
    String requireBundleHeader = bundleHeaders.get(Constants.REQUIRE_BUNDLE);
    if (requireBundleHeader != null) {
        // only check if Require-Bundle is used
        List<String> bundleSymbolicNames = extractHeaderDeclaration(requireBundleHeader);
        for (String bundleSymbolicName : bundleSymbolicNames) {
            RequiredBundle[] candidateRequiredBundles = packageAdmin.getRequiredBundles(bundleSymbolicName);
            if (candidateRequiredBundles != null) {
                for (RequiredBundle candidateRequiredBundle : candidateRequiredBundles) {
                    Bundle[] bundlesRequiring = candidateRequiredBundle.getRequiringBundles();
                    if (bundlesRequiring != null && arrayContains(bundlesRequiring, bundle)) {
                        dependencies.add(candidateRequiredBundle.getBundle());
                    }
                }
            }
        }
    }
    // Handle fragment bundles
    Bundle[] hosts = packageAdmin.getHosts(bundle);
    if (hosts != null) {
        for (Bundle host : hosts) {
            dependencies.add(host);
        }
    }
    return getBundleIds(dependencies.toArray(new Bundle[dependencies.size()]));
}

Example 4 with RequiredBundle

use of org.osgi.service.packageadmin.RequiredBundle in project aries by apache.

the class BundleDataTest method testToCompositeData.

@Test
public void testToCompositeData() throws Exception {
    Bundle bundle = mock(Bundle.class);
    BundleContext context = mock(BundleContext.class);
    PackageAdmin packageAdmin = mock(PackageAdmin.class);
    StartLevel startLevel = mock(StartLevel.class);
    Bundle b1 = mock(Bundle.class);
    when(b1.getSymbolicName()).thenReturn("b1");
    when(b1.getBundleId()).thenReturn(new Long(44));
    Bundle b2 = mock(Bundle.class);
    when(b2.getSymbolicName()).thenReturn("b2");
    when(b2.getBundleId()).thenReturn(new Long(55));
    Bundle b3 = mock(Bundle.class);
    when(b3.getSymbolicName()).thenReturn("b3");
    when(b3.getBundleId()).thenReturn(new Long(66));
    when(context.getBundles()).thenReturn(new Bundle[] { bundle, b1, b2, b3 });
    when(bundle.getSymbolicName()).thenReturn("test");
    when(bundle.getVersion()).thenReturn(Version.emptyVersion);
    when(bundle.getBundleId()).thenReturn(new Long(1));
    when(bundle.getLastModified()).thenReturn(new Long(12345));
    when(bundle.getLocation()).thenReturn("location");
    //headers
    Dictionary<String, String> headers = new Hashtable<String, String>();
    headers.put(Constants.BUNDLE_SYMBOLICNAME, "test");
    headers.put(Constants.BUNDLE_VERSION, "0.0.0");
    when(bundle.getHeaders()).thenReturn(headers);
    //exported packages
    ExportedPackage exported = mock(ExportedPackage.class);
    when(exported.getName()).thenReturn("org.apache.aries.jmx");
    when(exported.getVersion()).thenReturn(new Version("1.0.0"));
    when(exported.getExportingBundle()).thenReturn(bundle);
    when(packageAdmin.getExportedPackages(bundle)).thenReturn(new ExportedPackage[] { exported });
    //imported packages
    ExportedPackage ep1 = mock(ExportedPackage.class);
    when(ep1.getImportingBundles()).thenReturn(new Bundle[] { bundle, b2, b3 });
    when(ep1.getName()).thenReturn("org.apache.aries.jmx.b1");
    when(ep1.getVersion()).thenReturn(Version.emptyVersion);
    when(ep1.getExportingBundle()).thenReturn(b1);
    ExportedPackage ep2 = mock(ExportedPackage.class);
    when(ep2.getImportingBundles()).thenReturn(new Bundle[] { bundle, b3 });
    when(ep2.getName()).thenReturn("org.apache.aries.jmx.b2");
    when(ep2.getVersion()).thenReturn(Version.parseVersion("2.0.1"));
    when(ep2.getExportingBundle()).thenReturn(b2);
    headers.put(Constants.DYNAMICIMPORT_PACKAGE, "*");
    when(packageAdmin.getExportedPackages(b1)).thenReturn(new ExportedPackage[] { ep1 });
    when(packageAdmin.getExportedPackages(b2)).thenReturn(new ExportedPackage[] { ep2 });
    when(packageAdmin.getExportedPackages(b3)).thenReturn(null);
    //required bundles
    RequiredBundle rb1 = mock(RequiredBundle.class);
    when(rb1.getBundle()).thenReturn(b1);
    when(rb1.getRequiringBundles()).thenReturn(new Bundle[] { bundle, b2 });
    RequiredBundle rb2 = mock(RequiredBundle.class);
    when(rb2.getBundle()).thenReturn(b2);
    when(rb2.getRequiringBundles()).thenReturn(new Bundle[] { b1 });
    RequiredBundle rb3 = mock(RequiredBundle.class);
    when(rb3.getBundle()).thenReturn(b3);
    when(rb3.getRequiringBundles()).thenReturn(new Bundle[] { bundle, b1, b2 });
    headers.put(Constants.REQUIRE_BUNDLE, "b1;bundle-version=\"1.0.0\",b3;bundle-version=\"2.0.0\"");
    when(packageAdmin.getRequiredBundles("b1")).thenReturn(new RequiredBundle[] { rb1 });
    when(packageAdmin.getRequiredBundles("b2")).thenReturn(new RequiredBundle[] { rb2 });
    when(packageAdmin.getRequiredBundles("b3")).thenReturn(new RequiredBundle[] { rb3 });
    //services in use
    ServiceReference s1 = mock(ServiceReference.class);
    when(s1.getProperty(Constants.SERVICE_ID)).thenReturn(new Long(15));
    ServiceReference s2 = mock(ServiceReference.class);
    when(s2.getProperty(Constants.SERVICE_ID)).thenReturn(new Long(16));
    ServiceReference s3 = mock(ServiceReference.class);
    when(s3.getProperty(Constants.SERVICE_ID)).thenReturn(new Long(17));
    when(bundle.getServicesInUse()).thenReturn(new ServiceReference[] { s1, s2, s3 });
    BundleData b = new BundleData(context, bundle, packageAdmin, startLevel);
    CompositeData compositeData = b.toCompositeData();
    assertEquals("test", compositeData.get(SYMBOLIC_NAME));
    assertEquals("0.0.0", compositeData.get(VERSION));
    TabularData headerTable = (TabularData) compositeData.get(HEADERS);
    assertEquals(4, headerTable.values().size());
    CompositeData header = headerTable.get(new Object[] { Constants.BUNDLE_SYMBOLICNAME });
    assertNotNull(header);
    String value = (String) header.get(VALUE);
    assertEquals("test", value);
    String key = (String) header.get(KEY);
    assertEquals(Constants.BUNDLE_SYMBOLICNAME, key);
    TabularData bundleTable = new TabularDataSupport(BUNDLES_TYPE);
    bundleTable.put(b.toCompositeData());
    CompositeData bundleData = bundleTable.get(new Object[] { Long.valueOf(1) });
    assertNotNull(bundleData);
    String location = (String) bundleData.get(LOCATION);
    assertEquals("location", location);
    assertArrayEquals(new String[] { "org.apache.aries.jmx;1.0.0" }, (String[]) compositeData.get(EXPORTED_PACKAGES));
    assertArrayEquals(new String[] { "org.apache.aries.jmx.b1;0.0.0", "org.apache.aries.jmx.b2;2.0.1" }, (String[]) compositeData.get(IMPORTED_PACKAGES));
    assertEquals(toSet(new long[] { 44, 55, 66 }), toSet((Long[]) compositeData.get(REQUIRED_BUNDLES)));
    assertArrayEquals(new Long[] { new Long(15), new Long(16), new Long(17) }, (Long[]) compositeData.get(SERVICES_IN_USE));
    //default no return stub
    assertEquals("UNKNOWN", compositeData.get(STATE));
    assertEquals(0, ((Long[]) compositeData.get(HOSTS)).length);
    assertEquals(0, ((Long[]) compositeData.get(FRAGMENTS)).length);
}

Example 5 with RequiredBundle

use of org.osgi.service.packageadmin.RequiredBundle in project aries by apache.

the class FrameworkUtils method isBundlePendingRemoval.

/**
     * Returns the status of pending removal
     * 
     * @param bundle
     * @return true if the bundle is pending removal
     * @throws IllegalArgumentException
     *             if bundle or packageAdmin are null
     */
public static boolean isBundlePendingRemoval(Bundle bundle, PackageAdmin packageAdmin) throws IllegalArgumentException {
    if (bundle == null) {
        throw new IllegalArgumentException("Argument bundle cannot be null");
    }
    if (packageAdmin == null) {
        throw new IllegalArgumentException("Argument packageAdmin cannot be null");
    }
    boolean result = false;
    ExportedPackage[] exportedPackages = packageAdmin.getExportedPackages(bundle);
    if (exportedPackages != null) {
        for (ExportedPackage exportedPackage : exportedPackages) {
            if (exportedPackage.isRemovalPending()) {
                result = true;
                break;
            }
        }
    }
    if (!result) {
        RequiredBundle[] requiredBundles = packageAdmin.getRequiredBundles(bundle.getSymbolicName());
        if (requiredBundles != null) {
            for (RequiredBundle requiredBundle : requiredBundles) {
                Bundle required = requiredBundle.getBundle();
                if (required == bundle) {
                    result = requiredBundle.isRemovalPending();
                    break;
                }
            }
        }
    }
    return result;
}