Examples of org.osgi.framework.BundleContext.installBundle()

org.osgi.framework.BundleContext.installBundle()
Installs a bundle from the specified {@code InputStream} object.
If the specified {@code InputStream} is {@code null}, the Framework must create the {@code InputStream} from which to read the bundle byinterpreting, in an implementation dependent manner, the specified {@code location}.
The specified {@code location} identifier will be used as the identity ofthe bundle. Every installed bundle is uniquely identified by its location identifier which is typically in the form of a URL.
The following steps are required to install a bundle:
1. If a bundle containing the same location identifier is already installed, the {@code Bundle} object for that bundle is returned.
2. The bundle's content is read from the input stream. If this fails, a {@link BundleException} is thrown.
3. The bundle's associated resources are allocated. The associated resources minimally consist of a unique identifier and a persistent storage area if the platform has file system support. If this step fails, a {@code BundleException} is thrown.
4. The bundle's state is set to {@code INSTALLED}.
5. A bundle event of type {@link BundleEvent#INSTALLED} is fired.
6. The {@code Bundle} object for the newly or previously installedbundle is returned.
Postconditions, no exceptions thrown
- {@code getState()} in { {@code INSTALLED}, {@code RESOLVED}}.
- Bundle has a unique ID.
Postconditions, when an exception is thrown
- Bundle is not installed. If there was an existing bundle for the specified location, then that bundle must still be in the state it was prior to calling this method.
@param location The location identifier of the bundle to install. @param input The {@code InputStream} object from which this bundle willbe read or {@code null} to indicate the Framework must create theinput stream from the specified location identifier. The input stream must always be closed when this method completes, even if an exception is thrown. @return The {@code Bundle} object of the installed bundle. @throws BundleException If the installation failed. BundleException typesthrown by this method include: {@link BundleException#READ_ERROR}, {@link BundleException#DUPLICATE_BUNDLE_ERROR}, {@link BundleException#MANIFEST_ERROR}, and {@link BundleException#REJECTED_BY_HOOK}. @throws SecurityException If the caller does not have the appropriate{@code AdminPermission[installed bundle,LIFECYCLE]}, and the Java Runtime Environment supports permissions. @throws IllegalStateException If this BundleContext is no longer valid.

        Bundle installedBundle1 = EasyMock.createMock(Bundle.class);
        Bundle installedBundle2 = EasyMock.createMock(Bundle.class);


        // Installs feature f1 and f2
        expect(bundleContext.getBundles()).andReturn(new Bundle[0]);
        expect(bundleContext.installBundle(eq(bundle1), isA(InputStream.class))).andReturn(installedBundle1);
        expect(installedBundle1.getBundleId()).andReturn(12345L);
        expect(installedBundle1.getBundleId()).andReturn(12345L);
        expect(installedBundle1.getBundleId()).andReturn(12345L);
        installedBundle1.uninstall();

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        expect(installedBundle1.getBundleId()).andReturn(12345L);
        expect(installedBundle1.getBundleId()).andReturn(12345L);
        installedBundle1.uninstall();


        expect(bundleContext.getBundles()).andReturn(new Bundle[0]);
        expect(bundleContext.installBundle(eq(bundle2), isA(InputStream.class))).andReturn(installedBundle2);
        expect(installedBundle2.getBundleId()).andReturn(54321L);
        expect(installedBundle2.getBundleId()).andReturn(54321L);
        expect(installedBundle2.getBundleId()).andReturn(54321L);
        expect(installedBundle2.getHeaders()).andReturn(new Hashtable()).anyTimes();
        installedBundle2.start();

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        Bundle installedBundle1 = EasyMock.createMock(Bundle.class);
        Bundle installedBundle2 = EasyMock.createMock(Bundle.class);


        // Installs feature f1 and f2
        expect(bundleContext.getBundles()).andReturn(new Bundle[0]);
        expect(bundleContext.installBundle(eq(bundle1), isA(InputStream.class))).andReturn(installedBundle1);
        expect(installedBundle1.getBundleId()).andReturn(12345L);
        expect(installedBundle1.getBundleId()).andReturn(12345L);
        expect(installedBundle1.getBundleId()).andReturn(12345L);


        expect(bundleContext.getBundles()).andReturn(new Bundle[0]);

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        expect(installedBundle1.getBundleId()).andReturn(12345L);
        expect(installedBundle1.getBundleId()).andReturn(12345L);
        expect(installedBundle1.getBundleId()).andReturn(12345L);


        expect(bundleContext.getBundles()).andReturn(new Bundle[0]);
        expect(bundleContext.installBundle(eq(bundle2), isA(InputStream.class))).andReturn(installedBundle2);
        expect(installedBundle2.getBundleId()).andReturn(54321L);
        expect(installedBundle2.getBundleId()).andReturn(54321L);
        expect(installedBundle2.getBundleId()).andReturn(54321L);
        installedBundle2.start();

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        Bundle installedBundle1 = EasyMock.createMock(Bundle.class);
        Bundle installedBundle2 = EasyMock.createMock(Bundle.class);


        // Installs feature f1 and f2
        expect(bundleContext.getBundles()).andReturn(new Bundle[0]);
        expect(bundleContext.installBundle(eq(bundle1), isA(InputStream.class))).andReturn(installedBundle1);
        expect(installedBundle1.getBundleId()).andReturn(12345L);
        expect(installedBundle1.getBundleId()).andReturn(12345L);
        expect(installedBundle1.getBundleId()).andReturn(12345L);
        installedBundle1.uninstall();

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        expect(installedBundle1.getBundleId()).andReturn(12345L);
        expect(installedBundle1.getBundleId()).andReturn(12345L);
        installedBundle1.uninstall();


        expect(bundleContext.getBundles()).andReturn(new Bundle[0]);
        expect(bundleContext.installBundle(eq(bundle2), isA(InputStream.class))).andReturn(installedBundle2);
        expect(installedBundle2.getBundleId()).andReturn(54321L);
        expect(installedBundle2.getBundleId()).andReturn(54321L);
        expect(installedBundle2.getBundleId()).andReturn(54321L);
        installedBundle2.uninstall();

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        expect(installedBundle1.getBundleId()).andReturn(12345L);
        expect(installedBundle1.getSymbolicName()).andReturn(headers.get(Constants.BUNDLE_SYMBOLICNAME)).anyTimes();
        expect(installedBundle1.getHeaders()).andReturn(headers).anyTimes();
        expect(bundleContext.getBundles()).andReturn(new Bundle[] { installedBundle1 });


        expect(bundleContext.installBundle(eq(bundle2), isA(InputStream.class))).andReturn(installedBundle2);
        expect(bundleContext.getBundles()).andReturn(new Bundle[] { installedBundle1, installedBundle2 });
        expect(installedBundle2.getBundleId()).andReturn(54321L);
        expect(installedBundle2.getBundleId()).andReturn(54321L);
        expect(installedBundle2.getBundleId()).andReturn(54321L);
        expect(installedBundle2.getSymbolicName()).andReturn("fragment").anyTimes();

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        verify(bundleContext, installedBundle);


        reset(bundleContext, installedBundle);


        expect(bundleContext.getBundles()).andReturn(new Bundle[0]);
        expect(bundleContext.installBundle(isA(String.class),
                                           isA(InputStream.class))).andReturn(installedBundle);
        expect(installedBundle.getBundleId()).andReturn(12345L);
        expect(installedBundle.getBundleId()).andReturn(12345L);
        expect(installedBundle.getBundleId()).andReturn(12345L);
        expect(bundleContext.getBundle(12345L)).andReturn(installedBundle);

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        reset(bundleContext, installedBundle);


        // Installs f1 and 0.1
        expect(bundleContext.getBundles()).andReturn(new Bundle[0]);
        expect(bundleContext.installBundle(isA(String.class),
                                           isA(InputStream.class))).andReturn(installedBundle);
        expect(installedBundle.getBundleId()).andReturn(12345L);
        expect(installedBundle.getBundleId()).andReturn(12345L);
        expect(installedBundle.getBundleId()).andReturn(12345L);
        expect(bundleContext.getBundle(12345L)).andReturn(installedBundle);

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        expect(installedBundle.getHeaders()).andReturn(new Hashtable());
        installedBundle.start();


        // Installs f1 and 0.2
        expect(bundleContext.getBundles()).andReturn(new Bundle[0]);
        expect(bundleContext.installBundle(isA(String.class),
                                           isA(InputStream.class))).andReturn(installedBundle);
        expect(installedBundle.getBundleId()).andReturn(123456L);
        expect(installedBundle.getBundleId()).andReturn(123456L);
        expect(installedBundle.getBundleId()).andReturn(123456L);
        expect(bundleContext.getBundle(123456L)).andReturn(installedBundle);

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