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

org.osgi.framework.Bundle.update()
Updates this bundle from an InputStream.
If the specified InputStream is null, the Framework must create the InputStream from which to read the updated bundle by interpreting, in an implementation dependent manner, this bundle's {@link Constants#BUNDLE_UPDATELOCATION Bundle-UpdateLocation} Manifest header, if present, or this bundle'soriginal location.
If this bundle's state is ACTIVE, it must be stopped before the update and started after the update successfully completes.
If this bundle has exported any packages that are imported by another bundle, these packages must not be updated. Instead, the previous package version must remain exported until the PackageAdmin.refreshPackages method has been has been called or the Framework is relaunched.
The following steps are required to update a bundle:
1. If this bundle's state is UNINSTALLED then an IllegalStateException is thrown.
2. If this bundle's state is ACTIVE, STARTING or STOPPING, this bundle is stopped as described in the Bundle.stop method. If Bundle.stop throws an exception, the exception is rethrown terminating the update.
3. The updated version of this bundle is read from the input stream and installed. If the Framework is unable to install the updated version of this bundle, the original version of this bundle must be restored and a BundleException must be thrown after completion of the remaining steps.
4. This bundle's state is set to INSTALLED.
5. If the updated version of this bundle was successfully installed, a bundle event of type {@link BundleEvent#UPDATED} is fired.
6. If this bundle's state was originally ACTIVE, the updated bundle is started as described in the Bundle.start method. If Bundle.start throws an exception, a Framework event of type {@link FrameworkEvent#ERROR} is fired containing theexception.
Preconditions
- getState() not in { UNINSTALLED }.
Postconditions, no exceptions thrown
- getState() in { INSTALLED, RESOLVED, ACTIVE }.
- This bundle has been updated.
Postconditions, when an exception is thrown
- getState() in { INSTALLED, RESOLVED, ACTIVE }.
- Original bundle is still used; no update occurred.
@param input The InputStream from which to read the newbundle or null to indicate the Framework must create the input stream from this bundle's {@link Constants#BUNDLE_UPDATELOCATION Bundle-UpdateLocation}Manifest header, if present, or this bundle's original location. The input stream must always be closed when this method completes, even if an exception is thrown. @throws BundleException If the input stream cannot be read or the updatefails. @throws IllegalStateException If this bundle has been uninstalled or thisbundle tries to change its own state. @throws SecurityException If the caller does not have the appropriateAdminPermission[this,LIFECYCLE] for both the current bundle and the updated bundle, and the Java Runtime Environment supports permissions. @see #stop() @see #start()

                            "A bundle with the same symbolic name ("
                            + sn + ") and version (" + vStr
                            + ") is already installed.  Updating this bundle instead.", null);
                        stopTransient(b);
                        Util.storeChecksum(b, checksum, context);
                        b.update(is);
                    }
                    return b;
                }
            }
        }

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                InputStream in = (transformed != null)
                    ? transformed.openStream()
                    : new FileInputStream(path);
                try
                {
                    bundle.update(in);
                }
                finally
                {
                    in.close();
                }

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                stopTransient(bundle);
                Util.storeChecksum(bundle, artifact.getChecksum(), context);
                InputStream in = new FileInputStream(transformed != null ? transformed : path);
                try
                {
                    bundle.update(in);
                }
                finally
                {
                    in.close();
                }

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            if (framework != null) {
                framework.update();
            } else {
                Bundle bundle = visitor.getBundle(0);
                if (bundle != null) {
                    bundle.update();
                }
            }
        } catch (Exception e) {
            logVisitor.warning("restartFramework error", e);
            throw new IOException(e.getMessage());

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                try {
                    Bundle bundle = visitor.getBundle(bundleId);
                    if (bundle == null) {
                        throw new IllegalArgumentException("Bundle ID is wrong: " + bundleId);
                    }
                    bundle.update();
                    completedBundles.add(bundleId);
                } catch (BundleException e) {
                    logVisitor.warning("Bundle start error", e);
                    isSuccess = false;
                    errorBundleId = bundleId;

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            Bundle bundle = visitor.getBundle(bundleIdentifier);
            if (bundle == null) {
                throw new IllegalArgumentException("Bundle ID is wrong: " + bundleIdentifier);
            }
            try {
                bundle.update();
            } catch (Exception e) {
                throw new IOException("Unable to update bundle: " + bundleIdentifier);
            }
        } catch (IllegalArgumentException e) {
            logVisitor.warning("updateBundle error", e);

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            Bundle bundle = visitor.getBundle(bundleIdentifier);
            if (bundle == null) {
                throw new IllegalArgumentException("Bundle ID is wrong: " + bundleIdentifier);
            }
            try {
                bundle.update(new URL(url).openStream());
            } catch (Exception e) {
                throw new IOException("Unable to update bundle: " + bundleIdentifier);
            }
        } catch (IllegalArgumentException e) {
            logVisitor.warning("updateBundleFromURL error", e);

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                try {
                    Bundle bundle = visitor.getBundle(bundleId);
                    if (bundle == null) {
                        throw new IllegalArgumentException("Bundle ID is wrong: " + bundleId);
                    }
                    bundle.update();
                    completedBundles.add(bundleId);
                } catch (BundleException e) {
                    logVisitor.warning("Bundle update error", e);
                    isSuccess = false;
                    errorBundleId = bundleId;

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                    try {
                        Bundle bundle = visitor.getBundle(bundleId);
                        if (bundle == null) {
                            throw new IllegalArgumentException("Bundle ID is wrong: " + bundleId);
                        }
                        bundle.update(new URL(urls[i]).openStream());
                        completedBundles.add(bundleId);
                    } catch (Exception e) {
                        logVisitor.warning("Bundle update from URL error", e);
                        isSuccess = false;
                        errorBundleId = bundleId;

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    public void updateFramework() throws IOException {
        try {
            Bundle bundle = visitor.getBundle(0);
            if (bundle != null) {
                bundle.update();
            }
        } catch (Exception e) {
            logVisitor.warning("updateFramework error", e);
            throw new IOException(e.getMessage());
        }

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