framework/bundles/org.eclipse.ecf.sharedobject/src/org/eclipse/ecf/internal/core/sharedobject/Activator.java - gerrit/ecf/org.eclipse.ecf - Git at Google

 package org.eclipse.ecf.internal.core.sharedobject;

 import java.util.Map;
 import java.util.Properties;
 import org.eclipse.core.runtime.*;
 import org.eclipse.ecf.core.sharedobject.*;
 import org.eclipse.ecf.core.sharedobject.provider.ISharedObjectInstantiator;
 import org.eclipse.ecf.core.util.*;
 import org.osgi.framework.*;
 import org.osgi.service.log.LogService;
 import org.osgi.util.tracker.ServiceTracker;

 /**
  * The activator class controls the plug-in life cycle
  */
 public class Activator implements BundleActivator {

 	// The plug-in ID
 	public static final String PLUGIN_ID = "org.eclipse.ecf.sharedobject"; //$NON-NLS-1$

 	protected static final String CLASS_ATTRIBUTE = "class"; //$NON-NLS-1$

 	protected static final String NAME_ATTRIBUTE = "name"; //$NON-NLS-1$

 	protected static final String PROPERTY_ELEMENT_NAME = "property"; //$NON-NLS-1$

 	protected static final String VALUE_ATTRIBUTE = "value"; //$NON-NLS-1$

 	protected static final String NAMESPACE_NAME = "sharedObjectFactory"; //$NON-NLS-1$

 	protected static final String SHAREDOBJECT_FACTORY_EPOINT = PLUGIN_ID + "." //$NON-NLS-1$
 			+ NAMESPACE_NAME;

 	protected static final String DESCRIPTION_ATTRIBUTE = "description"; //$NON-NLS-1$

 	private static final int REMOVE_SHAREDOBJECT_ERRORCODE = 1001;

 	private static final int FACTORY_NAME_COLLISION_ERRORCODE = 2001;

 	// The shared instance
 	private static Activator plugin;

 	private BundleContext context = null;

 	private IRegistryChangeListener registryManager = null;

 	private ServiceTracker extensionRegistryTracker = null;

 	private ServiceTracker logServiceTracker = null;

 	private ServiceTracker adapterManagerTracker = null;

 	/**
 	 * The constructor
 	 */
 	public Activator() {
 		// null constructor
 	}

 	public IExtensionRegistry getExtensionRegistry() {
 		return (IExtensionRegistry) extensionRegistryTracker.getService();
 	}

 	/*
 	 * (non-Javadoc)
 	 *
 	 * @see org.eclipse.core.runtime.Plugins#start(org.osgi.framework.BundleContext)
 	 */
 	@SuppressWarnings("unchecked")
 	public void start(BundleContext ctxt) throws Exception {
 		this.context = ctxt;
 		plugin = this;
 		this.extensionRegistryTracker = new ServiceTracker(ctxt, IExtensionRegistry.class.getName(), null);
 		this.extensionRegistryTracker.open();
 		IExtensionRegistry registry = getExtensionRegistry();
 		if (registry != null) {
 			this.registryManager = new SharedObjectRegistryManager();
 			registry.addRegistryChangeListener(registryManager);
 		}
 		setupSharedObjectExtensionPoint(ctxt);
 		Trace.exiting(Activator.PLUGIN_ID, SharedObjectDebugOptions.METHODS_ENTERING, Activator.class, "start"); //$NON-NLS-1$
 	}

 	/*
 	 * (non-Javadoc)
 	 *
 	 * @see org.eclipse.core.runtime.Plugin#stop(org.osgi.framework.BundleContext)
 	 */
 	public void stop(BundleContext ctxt) throws Exception {
 		Trace.entering(Activator.PLUGIN_ID, SharedObjectDebugOptions.METHODS_EXITING, Activator.class, "stop"); //$NON-NLS-1$
 		IExtensionRegistry reg = getExtensionRegistry();
 		if (reg != null)
 			reg.removeRegistryChangeListener(registryManager);
 		this.registryManager = null;
 		if (extensionRegistryTracker != null) {
 			extensionRegistryTracker.close();
 			extensionRegistryTracker = null;
 		}
 		if (adapterManagerTracker != null) {
 			adapterManagerTracker.close();
 			adapterManagerTracker = null;
 		}
 		plugin = null;
 		this.context = null;
 	}

 	/**
 	 * Returns the shared instance
 	 *
 	 * @return the shared instance
 	 */
 	public static Activator getDefault() {
 		if (plugin == null) {
 			plugin = new Activator();
 		}
 		return plugin;
 	}

 	public Bundle getBundle() {
 		if (context == null)
 			return null;
 		return context.getBundle();
 	}

 	private LogService systemLogService = null;

 	@SuppressWarnings("unchecked")
 	protected LogService getLogService() {
 		if (context == null) {
 			if (systemLogService == null)
 				systemLogService = new SystemLogService(PLUGIN_ID);
 			return systemLogService;
 		}
 		if (logServiceTracker == null) {
 			logServiceTracker = new ServiceTracker(this.context, LogService.class.getName(), null);
 			logServiceTracker.open();
 		}
 		return (LogService) logServiceTracker.getService();
 	}

 	public void log(IStatus status) {
 		LogService logService = getLogService();
 		if (logService != null) {
 			logService.log(LogHelper.getLogCode(status), LogHelper.getLogMessage(status), status.getException());
 		}
 	}

 	@SuppressWarnings("unchecked")
 	public IAdapterManager getAdapterManager() {
 		if (context == null)
 			return null;
 		// First, try to get the adapter manager via
 		if (adapterManagerTracker == null) {
 			adapterManagerTracker = new ServiceTracker(this.context, IAdapterManager.class.getName(), null);
 			adapterManagerTracker.open();
 		}
 		IAdapterManager adapterManager = (IAdapterManager) adapterManagerTracker.getService();
 		// Then, if the service isn't there, try to get from Platform class via
 		// PlatformHelper class
 		if (adapterManager == null)
 			adapterManager = PlatformHelper.getPlatformAdapterManager();
 		if (adapterManager == null)
 			getDefault().log(new Status(IStatus.ERROR, PLUGIN_ID, IStatus.ERROR, "Cannot get adapter manager", null)); //$NON-NLS-1$
 		return adapterManager;
 	}

 	/**
 	 * Remove extensions for shared object extension point
 	 *
 	 * @param members
 	 *            the members to remove
 	 */
 	protected void removeSharedObjectExtensions(IConfigurationElement[] members) {
 		for (int m = 0; m < members.length; m++) {
 			IConfigurationElement member = members[m];
 			String name = null;
 			try {
 				name = member.getAttribute(NAME_ATTRIBUTE);
 				if (name == null) {
 					name = member.getAttribute(CLASS_ATTRIBUTE);
 				}
 				if (name == null)
 					continue;
 				ISharedObjectFactory factory = SharedObjectFactory.getDefault();
 				SharedObjectTypeDescription sd = factory.getDescriptionByName(name);
 				if (sd == null || !factory.containsDescription(sd)) {
 					continue;
 				}
 				// remove
 				factory.removeDescription(sd);
 				org.eclipse.ecf.core.util.Trace.trace(Activator.PLUGIN_ID, SharedObjectDebugOptions.DEBUG, "removeSharedObjectExtensions.removedDescription(" + sd //$NON-NLS-1$
 						+ ")"); //$NON-NLS-1$
 			} catch (Exception e) {
 				org.eclipse.ecf.core.util.Trace.catching(Activator.PLUGIN_ID, SharedObjectDebugOptions.EXCEPTIONS_CATCHING, Activator.class, "removeSharedObjectExtensions", e); //$NON-NLS-1$
 				getDefault().log(new Status(IStatus.ERROR, Activator.PLUGIN_ID, REMOVE_SHAREDOBJECT_ERRORCODE, "Exception removing sharedobject extension", e)); //$NON-NLS-1$
 			}
 		}
 	}

 	/**
 	 * Add shared object extension point extensions
 	 *
 	 * @param members
 	 *            to add
 	 */
 	protected void addSharedObjectExtensions(IConfigurationElement[] members) {
 		String bundleName = getDefault().getBundle().getSymbolicName();
 		// For each configuration element
 		for (int m = 0; m < members.length; m++) {
 			IConfigurationElement member = members[m];
 			// Get the label of the extender plugin and the ID of the extension.
 			IExtension extension = member.getDeclaringExtension();
 			ISharedObjectInstantiator exten = null;
 			String name = null;
 			try {
 				// The only required attribute is "class"
 				exten = (ISharedObjectInstantiator) member.createExecutableExtension(CLASS_ATTRIBUTE);
 				name = member.getAttribute(NAME_ATTRIBUTE);
 				if (name == null) {
 					name = member.getAttribute(CLASS_ATTRIBUTE);
 				}
 				// Get description, if present
 				String description = member.getAttribute(DESCRIPTION_ATTRIBUTE);
 				if (description == null) {
 					description = ""; //$NON-NLS-1$
 				}
 				// Get any property elements
 				Map properties = getProperties(member.getChildren(PROPERTY_ELEMENT_NAME));
 				// Now make description instance
 				SharedObjectTypeDescription scd = new SharedObjectTypeDescription(name, exten, description, properties);
 				org.eclipse.ecf.core.util.Trace.trace(Activator.PLUGIN_ID, SharedObjectDebugOptions.DEBUG, "setupSharedObjectExtensionPoint:createdDescription(" //$NON-NLS-1$
 						+ scd + ")"); //$NON-NLS-1$
 				ISharedObjectFactory factory = SharedObjectFactory.getDefault();
 				if (factory.containsDescription(scd))
 					throw new CoreException(new Status(IStatus.ERROR, bundleName, FACTORY_NAME_COLLISION_ERRORCODE, "name=" //$NON-NLS-1$
 							+ name + ";extension point id=" //$NON-NLS-1$
 							+ extension.getExtensionPointUniqueIdentifier(), null));

 				// Now add the description and we're ready to go.
 				factory.addDescription(scd);
 				org.eclipse.ecf.core.util.Trace.trace(Activator.PLUGIN_ID, SharedObjectDebugOptions.DEBUG, "setupSharedObjectExtensionPoint.addedDescriptionToFactory(" //$NON-NLS-1$
 						+ scd + ")"); //$NON-NLS-1$
 			} catch (CoreException e) {
 				getDefault().log(e.getStatus());
 				org.eclipse.ecf.core.util.Trace.catching(Activator.PLUGIN_ID, SharedObjectDebugOptions.EXCEPTIONS_CATCHING, Activator.class, "addSharedObjectExtensions", e); //$NON-NLS-1$
 			} catch (Exception e) {
 				getDefault().log(new Status(IStatus.ERROR, bundleName, FACTORY_NAME_COLLISION_ERRORCODE, "name=" //$NON-NLS-1$
 						+ name + ";extension point id=" //$NON-NLS-1$
 						+ extension.getExtensionPointUniqueIdentifier(), null));
 				org.eclipse.ecf.core.util.Trace.catching(Activator.PLUGIN_ID, SharedObjectDebugOptions.EXCEPTIONS_CATCHING, Activator.class, "addSharedObjectExtensions", e); //$NON-NLS-1$
 			}
 		}
 	}

 	/**
 	 * Setup shared object extension point
 	 *
 	 * @param bc
 	 *            the BundleContext for this bundle
 	 */
 	protected void setupSharedObjectExtensionPoint(BundleContext bc) {
 		IExtensionRegistry reg = getExtensionRegistry();
 		if (reg != null) {
 			IExtensionPoint extensionPoint = reg.getExtensionPoint(SHAREDOBJECT_FACTORY_EPOINT);
 			if (extensionPoint == null) {
 				return;
 			}
 			addSharedObjectExtensions(extensionPoint.getConfigurationElements());
 		}
 	}

 	protected Map getProperties(IConfigurationElement[] propertyElements) {
 		Properties props = new Properties();
 		if (propertyElements != null) {
 			if (propertyElements.length > 0) {
 				for (int i = 0; i < propertyElements.length; i++) {
 					String name = propertyElements[i].getAttribute(NAME_ATTRIBUTE);
 					String value = propertyElements[i].getAttribute(VALUE_ATTRIBUTE);
 					if (name != null && !name.equals("") && value != null //$NON-NLS-1$
 							&& !value.equals("")) { //$NON-NLS-1$
 						props.setProperty(name, value);
 					}
 				}
 			}
 		}
 		return props;
 	}

 	protected class SharedObjectRegistryManager implements IRegistryChangeListener {
 		public void registryChanged(IRegistryChangeEvent event) {
 			IExtensionDelta delta[] = event.getExtensionDeltas(PLUGIN_ID, NAMESPACE_NAME);
 			for (int i = 0; i < delta.length; i++) {
 				switch (delta[i].getKind()) {
 					case IExtensionDelta.ADDED :
 						addSharedObjectExtensions(delta[i].getExtension().getConfigurationElements());
 						break;
 					case IExtensionDelta.REMOVED :
 						removeSharedObjectExtensions(delta[i].getExtension().getConfigurationElements());
 						break;
 				}
 			}
 		}
 	}

 }
	package org.eclipse.ecf.internal.core.sharedobject;

	import java.util.Map;
	import java.util.Properties;
	import org.eclipse.core.runtime.*;
	import org.eclipse.ecf.core.sharedobject.*;
	import org.eclipse.ecf.core.sharedobject.provider.ISharedObjectInstantiator;
	import org.eclipse.ecf.core.util.*;
	import org.osgi.framework.*;
	import org.osgi.service.log.LogService;
	import org.osgi.util.tracker.ServiceTracker;

	/**
	* The activator class controls the plug-in life cycle
	*/
	public class Activator implements BundleActivator {

	// The plug-in ID
	public static final String PLUGIN_ID = "org.eclipse.ecf.sharedobject"; //$NON-NLS-1$

	protected static final String CLASS_ATTRIBUTE = "class"; //$NON-NLS-1$

	protected static final String NAME_ATTRIBUTE = "name"; //$NON-NLS-1$

	protected static final String PROPERTY_ELEMENT_NAME = "property"; //$NON-NLS-1$

	protected static final String VALUE_ATTRIBUTE = "value"; //$NON-NLS-1$

	protected static final String NAMESPACE_NAME = "sharedObjectFactory"; //$NON-NLS-1$

	protected static final String SHAREDOBJECT_FACTORY_EPOINT = PLUGIN_ID + "." //$NON-NLS-1$
	+ NAMESPACE_NAME;

	protected static final String DESCRIPTION_ATTRIBUTE = "description"; //$NON-NLS-1$

	private static final int REMOVE_SHAREDOBJECT_ERRORCODE = 1001;

	private static final int FACTORY_NAME_COLLISION_ERRORCODE = 2001;

	// The shared instance
	private static Activator plugin;

	private BundleContext context = null;

	private IRegistryChangeListener registryManager = null;

	private ServiceTracker extensionRegistryTracker = null;

	private ServiceTracker logServiceTracker = null;

	private ServiceTracker adapterManagerTracker = null;

	/**
	* The constructor
	*/
	public Activator() {
	// null constructor
	}

	public IExtensionRegistry getExtensionRegistry() {
	return (IExtensionRegistry) extensionRegistryTracker.getService();
	}

	/*
	* (non-Javadoc)
	*
	* @see org.eclipse.core.runtime.Plugins#start(org.osgi.framework.BundleContext)
	*/
	@SuppressWarnings("unchecked")
	public void start(BundleContext ctxt) throws Exception {
	this.context = ctxt;
	plugin = this;
	this.extensionRegistryTracker = new ServiceTracker(ctxt, IExtensionRegistry.class.getName(), null);
	this.extensionRegistryTracker.open();
	IExtensionRegistry registry = getExtensionRegistry();
	if (registry != null) {
	this.registryManager = new SharedObjectRegistryManager();
	registry.addRegistryChangeListener(registryManager);
	}
	setupSharedObjectExtensionPoint(ctxt);
	Trace.exiting(Activator.PLUGIN_ID, SharedObjectDebugOptions.METHODS_ENTERING, Activator.class, "start"); //$NON-NLS-1$
	}

	/*
	* (non-Javadoc)
	*
	* @see org.eclipse.core.runtime.Plugin#stop(org.osgi.framework.BundleContext)
	*/
	public void stop(BundleContext ctxt) throws Exception {
	Trace.entering(Activator.PLUGIN_ID, SharedObjectDebugOptions.METHODS_EXITING, Activator.class, "stop"); //$NON-NLS-1$
	IExtensionRegistry reg = getExtensionRegistry();
	if (reg != null)
	reg.removeRegistryChangeListener(registryManager);
	this.registryManager = null;
	if (extensionRegistryTracker != null) {
	extensionRegistryTracker.close();
	extensionRegistryTracker = null;
	}
	if (adapterManagerTracker != null) {
	adapterManagerTracker.close();
	adapterManagerTracker = null;
	}
	plugin = null;
	this.context = null;
	}

	/**
	* Returns the shared instance
	*
	* @return the shared instance
	*/
	public static Activator getDefault() {
	if (plugin == null) {
	plugin = new Activator();
	}
	return plugin;
	}

	public Bundle getBundle() {
	if (context == null)
	return null;
	return context.getBundle();
	}

	private LogService systemLogService = null;

	@SuppressWarnings("unchecked")
	protected LogService getLogService() {
	if (context == null) {
	if (systemLogService == null)
	systemLogService = new SystemLogService(PLUGIN_ID);
	return systemLogService;
	}
	if (logServiceTracker == null) {
	logServiceTracker = new ServiceTracker(this.context, LogService.class.getName(), null);
	logServiceTracker.open();
	}
	return (LogService) logServiceTracker.getService();
	}

	public void log(IStatus status) {
	LogService logService = getLogService();
	if (logService != null) {
	logService.log(LogHelper.getLogCode(status), LogHelper.getLogMessage(status), status.getException());
	}
	}

	@SuppressWarnings("unchecked")
	public IAdapterManager getAdapterManager() {
	if (context == null)
	return null;
	// First, try to get the adapter manager via
	if (adapterManagerTracker == null) {
	adapterManagerTracker = new ServiceTracker(this.context, IAdapterManager.class.getName(), null);
	adapterManagerTracker.open();
	}
	IAdapterManager adapterManager = (IAdapterManager) adapterManagerTracker.getService();
	// Then, if the service isn't there, try to get from Platform class via
	// PlatformHelper class
	if (adapterManager == null)
	adapterManager = PlatformHelper.getPlatformAdapterManager();
	if (adapterManager == null)
	getDefault().log(new Status(IStatus.ERROR, PLUGIN_ID, IStatus.ERROR, "Cannot get adapter manager", null)); //$NON-NLS-1$
	return adapterManager;
	}

	/**
	* Remove extensions for shared object extension point
	*
	* @param members
	* the members to remove
	*/
	protected void removeSharedObjectExtensions(IConfigurationElement[] members) {
	for (int m = 0; m < members.length; m++) {
	IConfigurationElement member = members[m];
	String name = null;
	try {
	name = member.getAttribute(NAME_ATTRIBUTE);
	if (name == null) {
	name = member.getAttribute(CLASS_ATTRIBUTE);
	}
	if (name == null)
	continue;
	ISharedObjectFactory factory = SharedObjectFactory.getDefault();
	SharedObjectTypeDescription sd = factory.getDescriptionByName(name);
	if (sd == null \|\| !factory.containsDescription(sd)) {
	continue;
	}
	// remove
	factory.removeDescription(sd);
	org.eclipse.ecf.core.util.Trace.trace(Activator.PLUGIN_ID, SharedObjectDebugOptions.DEBUG, "removeSharedObjectExtensions.removedDescription(" + sd //$NON-NLS-1$
	+ ")"); //$NON-NLS-1$
	} catch (Exception e) {
	org.eclipse.ecf.core.util.Trace.catching(Activator.PLUGIN_ID, SharedObjectDebugOptions.EXCEPTIONS_CATCHING, Activator.class, "removeSharedObjectExtensions", e); //$NON-NLS-1$
	getDefault().log(new Status(IStatus.ERROR, Activator.PLUGIN_ID, REMOVE_SHAREDOBJECT_ERRORCODE, "Exception removing sharedobject extension", e)); //$NON-NLS-1$
	}
	}
	}

	/**
	* Add shared object extension point extensions
	*
	* @param members
	* to add
	*/
	protected void addSharedObjectExtensions(IConfigurationElement[] members) {
	String bundleName = getDefault().getBundle().getSymbolicName();
	// For each configuration element
	for (int m = 0; m < members.length; m++) {
	IConfigurationElement member = members[m];
	// Get the label of the extender plugin and the ID of the extension.
	IExtension extension = member.getDeclaringExtension();
	ISharedObjectInstantiator exten = null;
	String name = null;
	try {
	// The only required attribute is "class"
	exten = (ISharedObjectInstantiator) member.createExecutableExtension(CLASS_ATTRIBUTE);
	name = member.getAttribute(NAME_ATTRIBUTE);
	if (name == null) {
	name = member.getAttribute(CLASS_ATTRIBUTE);
	}
	// Get description, if present
	String description = member.getAttribute(DESCRIPTION_ATTRIBUTE);
	if (description == null) {
	description = ""; //$NON-NLS-1$
	}
	// Get any property elements
	Map properties = getProperties(member.getChildren(PROPERTY_ELEMENT_NAME));
	// Now make description instance
	SharedObjectTypeDescription scd = new SharedObjectTypeDescription(name, exten, description, properties);
	org.eclipse.ecf.core.util.Trace.trace(Activator.PLUGIN_ID, SharedObjectDebugOptions.DEBUG, "setupSharedObjectExtensionPoint:createdDescription(" //$NON-NLS-1$
	+ scd + ")"); //$NON-NLS-1$
	ISharedObjectFactory factory = SharedObjectFactory.getDefault();
	if (factory.containsDescription(scd))
	throw new CoreException(new Status(IStatus.ERROR, bundleName, FACTORY_NAME_COLLISION_ERRORCODE, "name=" //$NON-NLS-1$
	+ name + ";extension point id=" //$NON-NLS-1$
	+ extension.getExtensionPointUniqueIdentifier(), null));

	// Now add the description and we're ready to go.
	factory.addDescription(scd);
	org.eclipse.ecf.core.util.Trace.trace(Activator.PLUGIN_ID, SharedObjectDebugOptions.DEBUG, "setupSharedObjectExtensionPoint.addedDescriptionToFactory(" //$NON-NLS-1$
	+ scd + ")"); //$NON-NLS-1$
	} catch (CoreException e) {
	getDefault().log(e.getStatus());
	org.eclipse.ecf.core.util.Trace.catching(Activator.PLUGIN_ID, SharedObjectDebugOptions.EXCEPTIONS_CATCHING, Activator.class, "addSharedObjectExtensions", e); //$NON-NLS-1$
	} catch (Exception e) {
	getDefault().log(new Status(IStatus.ERROR, bundleName, FACTORY_NAME_COLLISION_ERRORCODE, "name=" //$NON-NLS-1$
	+ name + ";extension point id=" //$NON-NLS-1$
	+ extension.getExtensionPointUniqueIdentifier(), null));
	org.eclipse.ecf.core.util.Trace.catching(Activator.PLUGIN_ID, SharedObjectDebugOptions.EXCEPTIONS_CATCHING, Activator.class, "addSharedObjectExtensions", e); //$NON-NLS-1$
	}
	}
	}

	/**
	* Setup shared object extension point
	*
	* @param bc
	* the BundleContext for this bundle
	*/
	protected void setupSharedObjectExtensionPoint(BundleContext bc) {
	IExtensionRegistry reg = getExtensionRegistry();
	if (reg != null) {
	IExtensionPoint extensionPoint = reg.getExtensionPoint(SHAREDOBJECT_FACTORY_EPOINT);
	if (extensionPoint == null) {
	return;
	}
	addSharedObjectExtensions(extensionPoint.getConfigurationElements());
	}
	}

	protected Map getProperties(IConfigurationElement[] propertyElements) {
	Properties props = new Properties();
	if (propertyElements != null) {
	if (propertyElements.length > 0) {
	for (int i = 0; i < propertyElements.length; i++) {
	String name = propertyElements[i].getAttribute(NAME_ATTRIBUTE);
	String value = propertyElements[i].getAttribute(VALUE_ATTRIBUTE);
	if (name != null && !name.equals("") && value != null //$NON-NLS-1$
	&& !value.equals("")) { //$NON-NLS-1$
	props.setProperty(name, value);
	}
	}
	}
	}
	return props;
	}

	protected class SharedObjectRegistryManager implements IRegistryChangeListener {
	public void registryChanged(IRegistryChangeEvent event) {
	IExtensionDelta delta[] = event.getExtensionDeltas(PLUGIN_ID, NAMESPACE_NAME);
	for (int i = 0; i < delta.length; i++) {
	switch (delta[i].getKind()) {
	case IExtensionDelta.ADDED :
	addSharedObjectExtensions(delta[i].getExtension().getConfigurationElements());
	break;
	case IExtensionDelta.REMOVED :
	removeSharedObjectExtensions(delta[i].getExtension().getConfigurationElements());
	break;
	}
	}
	}
	}

	}