bundles/org.eclipse.equinox.p2.ui/src/org/eclipse/equinox/p2/ui/operations/ProvisioningUtil.java - equinox/rt.equinox.p2 - Git at Google

 /*******************************************************************************
  * Copyright (c) 2007 IBM Corporation and others.
  * All rights reserved. This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License v1.0
  * which accompanies this distribution, and is available at
  * http://www.eclipse.org/legal/epl-v10.html
  *
  * Contributors:
  *     IBM Corporation - initial API and implementation
  *******************************************************************************/

 package org.eclipse.equinox.p2.ui.operations;

 import java.net.URL;
 import java.util.ArrayList;
 import java.util.EventObject;
 import org.eclipse.core.runtime.*;
 import org.eclipse.equinox.internal.p2.ui.ProvUIMessages;
 import org.eclipse.equinox.p2.artifact.repository.IArtifactRepository;
 import org.eclipse.equinox.p2.artifact.repository.IArtifactRepositoryManager;
 import org.eclipse.equinox.p2.core.ProvisionException;
 import org.eclipse.equinox.p2.core.helpers.ServiceHelper;
 import org.eclipse.equinox.p2.director.IPlanner;
 import org.eclipse.equinox.p2.director.ProvisioningPlan;
 import org.eclipse.equinox.p2.engine.*;
 import org.eclipse.equinox.p2.engine.phases.Sizing;
 import org.eclipse.equinox.p2.metadata.IInstallableUnit;
 import org.eclipse.equinox.p2.metadata.IInstallableUnitConstants;
 import org.eclipse.equinox.p2.metadata.repository.IMetadataRepository;
 import org.eclipse.equinox.p2.metadata.repository.IMetadataRepositoryManager;
 import org.eclipse.equinox.p2.ui.IProvisioningListener;
 import org.eclipse.equinox.p2.ui.ProvUIActivator;
 import org.eclipse.osgi.util.NLS;

 /**
  * Utility methods for clients using the provisioning UI
  *
  * @since 3.4
  */
 public class ProvisioningUtil {

 	public static IMetadataRepository addMetadataRepository(URL location, IProgressMonitor monitor) throws ProvisionException {
 		IMetadataRepositoryManager manager = (IMetadataRepositoryManager) ServiceHelper.getService(ProvUIActivator.getContext(), IMetadataRepositoryManager.class.getName());
 		if (manager == null)
 			throw new ProvisionException(ProvUIMessages.ProvisioningUtil_NoRepositoryManager);
 		IMetadataRepository repo = manager.loadRepository(location, monitor);
 		if (repo == null) {
 			throw new ProvisionException(NLS.bind(ProvUIMessages.ProvisioningUtil_AddRepositoryFailure, location.toExternalForm()));
 		}
 		EventObject event = new EventObject(IProvisioningListener.REPO_ADDED);
 		ProvUIActivator.getDefault().notifyListeners(event);
 		return repo;
 	}

 	public static IMetadataRepository createMetadataRepository(String name, String type, URL location, IProgressMonitor monitor) throws ProvisionException {
 		IMetadataRepositoryManager manager = (IMetadataRepositoryManager) ServiceHelper.getService(ProvUIActivator.getContext(), IMetadataRepositoryManager.class.getName());
 		if (manager == null)
 			throw new ProvisionException(ProvUIMessages.ProvisioningUtil_NoRepositoryManager);
 		IMetadataRepository repo = manager.createRepository(location, name, type);
 		if (repo == null) {
 			throw new ProvisionException(NLS.bind(ProvUIMessages.ProvisioningUtil_CreateRepositoryFailure, location.toExternalForm()));
 		}
 		EventObject event = new EventObject(IProvisioningListener.REPO_ADDED);
 		ProvUIActivator.getDefault().notifyListeners(event);
 		return repo;
 	}

 	public static void removeMetadataRepository(URL location, IProgressMonitor monitor) throws ProvisionException {
 		IMetadataRepositoryManager manager = (IMetadataRepositoryManager) ServiceHelper.getService(ProvUIActivator.getContext(), IMetadataRepositoryManager.class.getName());
 		if (manager == null) {
 			throw new ProvisionException(ProvUIMessages.ProvisioningUtil_NoRepositoryManager);
 		}
 		IMetadataRepository repo = manager.getRepository(location);
 		if (repo != null)
 			manager.removeRepository(repo);
 		EventObject event = new EventObject(IProvisioningListener.REPO_REMOVED);
 		ProvUIActivator.getDefault().notifyListeners(event);

 	}

 	public static IArtifactRepository addArtifactRepository(URL location, IProgressMonitor monitor) throws ProvisionException {
 		IArtifactRepositoryManager manager = (IArtifactRepositoryManager) ServiceHelper.getService(ProvUIActivator.getContext(), IArtifactRepositoryManager.class.getName());
 		if (manager == null) {
 			throw new ProvisionException(ProvUIMessages.ProvisioningUtil_NoRepositoryManager);
 		}
 		IArtifactRepository repo = manager.loadRepository(location, monitor);
 		if (repo == null) {
 			throw new ProvisionException(NLS.bind(ProvUIMessages.ProvisioningUtil_AddRepositoryFailure, location));
 		}
 		EventObject event = new EventObject(IProvisioningListener.REPO_ADDED);
 		ProvUIActivator.getDefault().notifyListeners(event);

 		return repo;
 	}

 	public static IArtifactRepository createArtifactRepository(String name, String type, URL location, IProgressMonitor monitor) throws ProvisionException {
 		IArtifactRepositoryManager manager = (IArtifactRepositoryManager) ServiceHelper.getService(ProvUIActivator.getContext(), IArtifactRepositoryManager.class.getName());
 		if (manager == null) {
 			throw new ProvisionException(ProvUIMessages.ProvisioningUtil_NoRepositoryManager);
 		}
 		IArtifactRepository repo = manager.createRepository(location, name, type);
 		if (repo == null) {
 			throw new ProvisionException(NLS.bind(ProvUIMessages.ProvisioningUtil_CreateRepositoryFailure, location));
 		}
 		EventObject event = new EventObject(IProvisioningListener.REPO_ADDED);
 		ProvUIActivator.getDefault().notifyListeners(event);

 		return repo;
 	}

 	public static void removeArtifactRepository(URL location, IProgressMonitor monitor) throws ProvisionException {
 		IArtifactRepositoryManager manager = (IArtifactRepositoryManager) ServiceHelper.getService(ProvUIActivator.getContext(), IArtifactRepositoryManager.class.getName());
 		if (manager == null) {
 			throw new ProvisionException(ProvUIMessages.ProvisioningUtil_NoRepositoryManager);
 		}
 		IArtifactRepository[] repos = manager.getKnownRepositories();
 		for (int i = 0; i < repos.length; i++) {
 			IArtifactRepository repo = repos[i];
 			if (repo.getLocation().equals(location)) {
 				manager.removeRepository(repo);
 				EventObject event = new EventObject(IProvisioningListener.REPO_REMOVED);
 				ProvUIActivator.getDefault().notifyListeners(event);
 				return;
 			}
 		}
 	}

 	public static IArtifactRepository[] getArtifactRepositories(IProgressMonitor monitor) throws ProvisionException {
 		IArtifactRepositoryManager manager = (IArtifactRepositoryManager) ServiceHelper.getService(ProvUIActivator.getContext(), IArtifactRepositoryManager.class.getName());
 		if (manager == null)
 			throw new ProvisionException(ProvUIMessages.ProvisioningUtil_NoRepositoryManager);
 		IArtifactRepository[] repos = manager.getKnownRepositories();
 		if (repos != null) {
 			return repos;
 		}
 		return new IArtifactRepository[0];
 	}

 	public static void addProfile(Profile profile, IProgressMonitor monitor) throws ProvisionException {
 		IProfileRegistry profileRegistry = (IProfileRegistry) ServiceHelper.getService(ProvUIActivator.getContext(), IProfileRegistry.class.getName());
 		if (profileRegistry == null) {
 			throw new ProvisionException(ProvUIMessages.ProvisioningUtil_NoProfileRegistryFound);
 		}
 		profileRegistry.addProfile(profile);
 	}

 	public static void removeProfile(String profileId, IProgressMonitor monitor) throws ProvisionException {
 		IProfileRegistry profileRegistry = (IProfileRegistry) ServiceHelper.getService(ProvUIActivator.getContext(), IProfileRegistry.class.getName());
 		if (profileRegistry == null) {
 			throw new ProvisionException(ProvUIMessages.ProvisioningUtil_NoProfileRegistryFound);
 		}
 		Profile profile = profileRegistry.getProfile(profileId);
 		if (profile != null)
 			profileRegistry.removeProfile(profile);
 	}

 	public static Profile[] getProfiles(IProgressMonitor monitor) throws ProvisionException {
 		IProfileRegistry profileRegistry = (IProfileRegistry) ServiceHelper.getService(ProvUIActivator.getContext(), IProfileRegistry.class.getName());
 		if (profileRegistry == null) {
 			throw new ProvisionException(ProvUIMessages.ProvisioningUtil_NoProfileRegistryFound);
 		}
 		return profileRegistry.getProfiles();
 	}

 	public static Profile getProfile(String id) throws ProvisionException {
 		IProfileRegistry profileRegistry = (IProfileRegistry) ServiceHelper.getService(ProvUIActivator.getContext(), IProfileRegistry.class.getName());
 		if (profileRegistry == null) {
 			throw new ProvisionException(ProvUIMessages.ProvisioningUtil_NoProfileRegistryFound);
 		}
 		return profileRegistry.getProfile(id);
 	}

 	public static IMetadataRepository[] getMetadataRepositories(IProgressMonitor monitor) throws ProvisionException {
 		IMetadataRepositoryManager manager = (IMetadataRepositoryManager) ServiceHelper.getService(ProvUIActivator.getContext(), IMetadataRepositoryManager.class.getName());
 		if (manager == null) {
 			throw new ProvisionException(ProvUIMessages.ProvisioningUtil_NoRepositoryManager);
 		}
 		return manager.getKnownRepositories();
 	}

 	/*
 	 * Get the plan for the specified install operation
 	 */
 	public static ProvisioningPlan getInstallPlan(IInstallableUnit[] toInstall, Profile profile, IProgressMonitor monitor) throws ProvisionException {
 		Assert.isNotNull(profile);
 		Assert.isNotNull(toInstall);
 		return getPlanner().getInstallPlan(toInstall, profile, monitor);
 	}

 	/*
 	 * Get the plan for the specified update operation
 	 */
 	public static ProvisioningPlan getReplacePlan(IInstallableUnit[] toUninstall, IInstallableUnit[] replacements, Profile profile, IProgressMonitor monitor) throws ProvisionException {
 		Assert.isNotNull(profile);
 		Assert.isNotNull(toUninstall);
 		Assert.isNotNull(replacements);
 		return getPlanner().getReplacePlan(toUninstall, replacements, profile, monitor);
 	}

 	/*
 	 * See what updates might be available for a single IU.
 	 * Useful when checking for updates and letting the user decide
 	 * which IU's to update.
 	 */
 	public static IInstallableUnit[] updatesFor(IInstallableUnit toUpdate, IProgressMonitor monitor) throws ProvisionException {
 		Assert.isNotNull(toUpdate);
 		return getPlanner().updatesFor(toUpdate);
 	}

 	/*
 	 * See what updates might be available for the specified IU's.
 	 * Useful for bulk update that can be directly passed to the engine.
 	 */
 	public static IInstallableUnit[] updatesFor(IInstallableUnit[] toUpdate, IProgressMonitor monitor) throws ProvisionException {
 		Assert.isNotNull(toUpdate);

 		IPlanner planner = getPlanner();
 		ArrayList allUpdates = new ArrayList();
 		for (int i = 0; i < toUpdate.length; i++) {
 			IInstallableUnit[] updates = planner.updatesFor(toUpdate[i]);
 			for (int j = 0; j < updates.length; j++)
 				allUpdates.add(updates[j]);
 		}
 		return (IInstallableUnit[]) allUpdates.toArray(new IInstallableUnit[allUpdates.size()]);
 	}

 	/*
 	 * Get a plan for becoming
 	 */
 	public static ProvisioningPlan getBecomePlan(IInstallableUnit toBecome, Profile profile, IProgressMonitor monitor) throws ProvisionException {
 		Assert.isNotNull(profile);
 		Assert.isNotNull(toBecome);
 		return getPlanner().getBecomePlan(toBecome, profile, monitor);
 	}

 	/*
 	 * Get the plan to uninstall the specified IU's
 	 */
 	public static ProvisioningPlan getUninstallPlan(IInstallableUnit[] toUninstall, Profile profile, IProgressMonitor monitor) throws ProvisionException {
 		Assert.isNotNull(profile);
 		Assert.isNotNull(toUninstall);
 		return getPlanner().getUninstallPlan(toUninstall, profile, monitor);
 	}

 	/*
 	 * Get sizing info for the specified IU's
 	 */
 	public static Sizing getSizeInfo(ProvisioningPlan plan, Profile profile, IProgressMonitor monitor) throws ProvisionException {
 		SizingPhaseSet set = new SizingPhaseSet();
 		IStatus status = getEngine().perform(profile, set, plan.getOperands(), monitor);
 		if (status.isOK())
 			return set.getSizing();
 		return null;
 	}

 	public static IStatus performInstall(ProvisioningPlan plan, Profile profile, IInstallableUnit[] installRoots, IProgressMonitor monitor) throws ProvisionException {
 		String taskMessage;
 		if (installRoots.length == 1)
 			taskMessage = NLS.bind(ProvUIMessages.ProvisioningUtil_InstallOneTask, installRoots[0].getId(), profile.getProfileId());
 		else
 			taskMessage = NLS.bind(ProvUIMessages.ProvisioningUtil_InstallManyTask, Integer.toString(installRoots.length), profile.getProfileId());
 		try {
 			SubMonitor sub = SubMonitor.convert(monitor, 100);
 			sub.setTaskName(taskMessage);
 			IStatus engineResult = performProvisioningPlan(plan, new DefaultPhaseSet(), profile, sub.newChild(100));
 			if (engineResult.isOK()) {
 				// mark the roots as such
 				for (int i = 0; i < installRoots.length; i++)
 					profile.setInstallableUnitProfileProperty(installRoots[i], IInstallableUnitConstants.PROFILE_ROOT_IU, Boolean.toString(true));
 			}
 			return engineResult;
 		} finally {
 			monitor.done();
 		}
 	}

 	public static IStatus performProvisioningPlan(ProvisioningPlan plan, PhaseSet phaseSet, Profile profile, IProgressMonitor monitor) throws ProvisionException {
 		PhaseSet set;
 		if (phaseSet == null)
 			set = new DefaultPhaseSet();
 		else
 			set = phaseSet;
 		return getEngine().perform(profile, set, plan.getOperands(), monitor);
 	}

 	private static Engine getEngine() throws ProvisionException {
 		Engine engine = (Engine) ServiceHelper.getService(ProvUIActivator.getContext(), Engine.class.getName());
 		if (engine == null) {
 			throw new ProvisionException(ProvUIMessages.ProvisioningUtil_NoEngineFound);
 		}
 		return engine;
 	}

 	public static IPlanner getPlanner() throws ProvisionException {
 		IPlanner planner = (IPlanner) ServiceHelper.getService(ProvUIActivator.getContext(), IPlanner.class.getName());
 		if (planner == null) {
 			throw new ProvisionException(ProvUIMessages.ProvisioningUtil_NoPlannerFound);
 		}
 		return planner;
 	}
 }
	/*******************************************************************************
	* Copyright (c) 2007 IBM Corporation and others.
	* All rights reserved. This program and the accompanying materials
	* are made available under the terms of the Eclipse Public License v1.0
	* which accompanies this distribution, and is available at
	* http://www.eclipse.org/legal/epl-v10.html
	*
	* Contributors:
	* IBM Corporation - initial API and implementation
	*******************************************************************************/

	package org.eclipse.equinox.p2.ui.operations;

	import java.net.URL;
	import java.util.ArrayList;
	import java.util.EventObject;
	import org.eclipse.core.runtime.*;
	import org.eclipse.equinox.internal.p2.ui.ProvUIMessages;
	import org.eclipse.equinox.p2.artifact.repository.IArtifactRepository;
	import org.eclipse.equinox.p2.artifact.repository.IArtifactRepositoryManager;
	import org.eclipse.equinox.p2.core.ProvisionException;
	import org.eclipse.equinox.p2.core.helpers.ServiceHelper;
	import org.eclipse.equinox.p2.director.IPlanner;
	import org.eclipse.equinox.p2.director.ProvisioningPlan;
	import org.eclipse.equinox.p2.engine.*;
	import org.eclipse.equinox.p2.engine.phases.Sizing;
	import org.eclipse.equinox.p2.metadata.IInstallableUnit;
	import org.eclipse.equinox.p2.metadata.IInstallableUnitConstants;
	import org.eclipse.equinox.p2.metadata.repository.IMetadataRepository;
	import org.eclipse.equinox.p2.metadata.repository.IMetadataRepositoryManager;
	import org.eclipse.equinox.p2.ui.IProvisioningListener;
	import org.eclipse.equinox.p2.ui.ProvUIActivator;
	import org.eclipse.osgi.util.NLS;

	/**
	* Utility methods for clients using the provisioning UI
	*
	* @since 3.4
	*/
	public class ProvisioningUtil {

	public static IMetadataRepository addMetadataRepository(URL location, IProgressMonitor monitor) throws ProvisionException {
	IMetadataRepositoryManager manager = (IMetadataRepositoryManager) ServiceHelper.getService(ProvUIActivator.getContext(), IMetadataRepositoryManager.class.getName());
	if (manager == null)
	throw new ProvisionException(ProvUIMessages.ProvisioningUtil_NoRepositoryManager);
	IMetadataRepository repo = manager.loadRepository(location, monitor);
	if (repo == null) {
	throw new ProvisionException(NLS.bind(ProvUIMessages.ProvisioningUtil_AddRepositoryFailure, location.toExternalForm()));
	}
	EventObject event = new EventObject(IProvisioningListener.REPO_ADDED);
	ProvUIActivator.getDefault().notifyListeners(event);
	return repo;
	}

	public static IMetadataRepository createMetadataRepository(String name, String type, URL location, IProgressMonitor monitor) throws ProvisionException {
	IMetadataRepositoryManager manager = (IMetadataRepositoryManager) ServiceHelper.getService(ProvUIActivator.getContext(), IMetadataRepositoryManager.class.getName());
	if (manager == null)
	throw new ProvisionException(ProvUIMessages.ProvisioningUtil_NoRepositoryManager);
	IMetadataRepository repo = manager.createRepository(location, name, type);
	if (repo == null) {
	throw new ProvisionException(NLS.bind(ProvUIMessages.ProvisioningUtil_CreateRepositoryFailure, location.toExternalForm()));
	}
	EventObject event = new EventObject(IProvisioningListener.REPO_ADDED);
	ProvUIActivator.getDefault().notifyListeners(event);
	return repo;
	}

	public static void removeMetadataRepository(URL location, IProgressMonitor monitor) throws ProvisionException {
	IMetadataRepositoryManager manager = (IMetadataRepositoryManager) ServiceHelper.getService(ProvUIActivator.getContext(), IMetadataRepositoryManager.class.getName());
	if (manager == null) {
	throw new ProvisionException(ProvUIMessages.ProvisioningUtil_NoRepositoryManager);
	}
	IMetadataRepository repo = manager.getRepository(location);
	if (repo != null)
	manager.removeRepository(repo);
	EventObject event = new EventObject(IProvisioningListener.REPO_REMOVED);
	ProvUIActivator.getDefault().notifyListeners(event);

	}

	public static IArtifactRepository addArtifactRepository(URL location, IProgressMonitor monitor) throws ProvisionException {
	IArtifactRepositoryManager manager = (IArtifactRepositoryManager) ServiceHelper.getService(ProvUIActivator.getContext(), IArtifactRepositoryManager.class.getName());
	if (manager == null) {
	throw new ProvisionException(ProvUIMessages.ProvisioningUtil_NoRepositoryManager);
	}
	IArtifactRepository repo = manager.loadRepository(location, monitor);
	if (repo == null) {
	throw new ProvisionException(NLS.bind(ProvUIMessages.ProvisioningUtil_AddRepositoryFailure, location));
	}
	EventObject event = new EventObject(IProvisioningListener.REPO_ADDED);
	ProvUIActivator.getDefault().notifyListeners(event);

	return repo;
	}

	public static IArtifactRepository createArtifactRepository(String name, String type, URL location, IProgressMonitor monitor) throws ProvisionException {
	IArtifactRepositoryManager manager = (IArtifactRepositoryManager) ServiceHelper.getService(ProvUIActivator.getContext(), IArtifactRepositoryManager.class.getName());
	if (manager == null) {
	throw new ProvisionException(ProvUIMessages.ProvisioningUtil_NoRepositoryManager);
	}
	IArtifactRepository repo = manager.createRepository(location, name, type);
	if (repo == null) {
	throw new ProvisionException(NLS.bind(ProvUIMessages.ProvisioningUtil_CreateRepositoryFailure, location));
	}
	EventObject event = new EventObject(IProvisioningListener.REPO_ADDED);
	ProvUIActivator.getDefault().notifyListeners(event);

	return repo;
	}

	public static void removeArtifactRepository(URL location, IProgressMonitor monitor) throws ProvisionException {
	IArtifactRepositoryManager manager = (IArtifactRepositoryManager) ServiceHelper.getService(ProvUIActivator.getContext(), IArtifactRepositoryManager.class.getName());
	if (manager == null) {
	throw new ProvisionException(ProvUIMessages.ProvisioningUtil_NoRepositoryManager);
	}
	IArtifactRepository[] repos = manager.getKnownRepositories();
	for (int i = 0; i < repos.length; i++) {
	IArtifactRepository repo = repos[i];
	if (repo.getLocation().equals(location)) {
	manager.removeRepository(repo);
	EventObject event = new EventObject(IProvisioningListener.REPO_REMOVED);
	ProvUIActivator.getDefault().notifyListeners(event);
	return;
	}
	}
	}

	public static IArtifactRepository[] getArtifactRepositories(IProgressMonitor monitor) throws ProvisionException {
	IArtifactRepositoryManager manager = (IArtifactRepositoryManager) ServiceHelper.getService(ProvUIActivator.getContext(), IArtifactRepositoryManager.class.getName());
	if (manager == null)
	throw new ProvisionException(ProvUIMessages.ProvisioningUtil_NoRepositoryManager);
	IArtifactRepository[] repos = manager.getKnownRepositories();
	if (repos != null) {
	return repos;
	}
	return new IArtifactRepository[0];
	}

	public static void addProfile(Profile profile, IProgressMonitor monitor) throws ProvisionException {
	IProfileRegistry profileRegistry = (IProfileRegistry) ServiceHelper.getService(ProvUIActivator.getContext(), IProfileRegistry.class.getName());
	if (profileRegistry == null) {
	throw new ProvisionException(ProvUIMessages.ProvisioningUtil_NoProfileRegistryFound);
	}
	profileRegistry.addProfile(profile);
	}

	public static void removeProfile(String profileId, IProgressMonitor monitor) throws ProvisionException {
	IProfileRegistry profileRegistry = (IProfileRegistry) ServiceHelper.getService(ProvUIActivator.getContext(), IProfileRegistry.class.getName());
	if (profileRegistry == null) {
	throw new ProvisionException(ProvUIMessages.ProvisioningUtil_NoProfileRegistryFound);
	}
	Profile profile = profileRegistry.getProfile(profileId);
	if (profile != null)
	profileRegistry.removeProfile(profile);
	}

	public static Profile[] getProfiles(IProgressMonitor monitor) throws ProvisionException {
	IProfileRegistry profileRegistry = (IProfileRegistry) ServiceHelper.getService(ProvUIActivator.getContext(), IProfileRegistry.class.getName());
	if (profileRegistry == null) {
	throw new ProvisionException(ProvUIMessages.ProvisioningUtil_NoProfileRegistryFound);
	}
	return profileRegistry.getProfiles();
	}

	public static Profile getProfile(String id) throws ProvisionException {
	IProfileRegistry profileRegistry = (IProfileRegistry) ServiceHelper.getService(ProvUIActivator.getContext(), IProfileRegistry.class.getName());
	if (profileRegistry == null) {
	throw new ProvisionException(ProvUIMessages.ProvisioningUtil_NoProfileRegistryFound);
	}
	return profileRegistry.getProfile(id);
	}

	public static IMetadataRepository[] getMetadataRepositories(IProgressMonitor monitor) throws ProvisionException {
	IMetadataRepositoryManager manager = (IMetadataRepositoryManager) ServiceHelper.getService(ProvUIActivator.getContext(), IMetadataRepositoryManager.class.getName());
	if (manager == null) {
	throw new ProvisionException(ProvUIMessages.ProvisioningUtil_NoRepositoryManager);
	}
	return manager.getKnownRepositories();
	}

	/*
	* Get the plan for the specified install operation
	*/
	public static ProvisioningPlan getInstallPlan(IInstallableUnit[] toInstall, Profile profile, IProgressMonitor monitor) throws ProvisionException {
	Assert.isNotNull(profile);
	Assert.isNotNull(toInstall);
	return getPlanner().getInstallPlan(toInstall, profile, monitor);
	}

	/*
	* Get the plan for the specified update operation
	*/
	public static ProvisioningPlan getReplacePlan(IInstallableUnit[] toUninstall, IInstallableUnit[] replacements, Profile profile, IProgressMonitor monitor) throws ProvisionException {
	Assert.isNotNull(profile);
	Assert.isNotNull(toUninstall);
	Assert.isNotNull(replacements);
	return getPlanner().getReplacePlan(toUninstall, replacements, profile, monitor);
	}

	/*
	* See what updates might be available for a single IU.
	* Useful when checking for updates and letting the user decide
	* which IU's to update.
	*/
	public static IInstallableUnit[] updatesFor(IInstallableUnit toUpdate, IProgressMonitor monitor) throws ProvisionException {
	Assert.isNotNull(toUpdate);
	return getPlanner().updatesFor(toUpdate);
	}

	/*
	* See what updates might be available for the specified IU's.
	* Useful for bulk update that can be directly passed to the engine.
	*/
	public static IInstallableUnit[] updatesFor(IInstallableUnit[] toUpdate, IProgressMonitor monitor) throws ProvisionException {
	Assert.isNotNull(toUpdate);

	IPlanner planner = getPlanner();
	ArrayList allUpdates = new ArrayList();
	for (int i = 0; i < toUpdate.length; i++) {
	IInstallableUnit[] updates = planner.updatesFor(toUpdate[i]);
	for (int j = 0; j < updates.length; j++)
	allUpdates.add(updates[j]);
	}
	return (IInstallableUnit[]) allUpdates.toArray(new IInstallableUnit[allUpdates.size()]);
	}

	/*
	* Get a plan for becoming
	*/
	public static ProvisioningPlan getBecomePlan(IInstallableUnit toBecome, Profile profile, IProgressMonitor monitor) throws ProvisionException {
	Assert.isNotNull(profile);
	Assert.isNotNull(toBecome);
	return getPlanner().getBecomePlan(toBecome, profile, monitor);
	}

	/*
	* Get the plan to uninstall the specified IU's
	*/
	public static ProvisioningPlan getUninstallPlan(IInstallableUnit[] toUninstall, Profile profile, IProgressMonitor monitor) throws ProvisionException {
	Assert.isNotNull(profile);
	Assert.isNotNull(toUninstall);
	return getPlanner().getUninstallPlan(toUninstall, profile, monitor);
	}

	/*
	* Get sizing info for the specified IU's
	*/
	public static Sizing getSizeInfo(ProvisioningPlan plan, Profile profile, IProgressMonitor monitor) throws ProvisionException {
	SizingPhaseSet set = new SizingPhaseSet();
	IStatus status = getEngine().perform(profile, set, plan.getOperands(), monitor);
	if (status.isOK())
	return set.getSizing();
	return null;
	}

	public static IStatus performInstall(ProvisioningPlan plan, Profile profile, IInstallableUnit[] installRoots, IProgressMonitor monitor) throws ProvisionException {
	String taskMessage;
	if (installRoots.length == 1)
	taskMessage = NLS.bind(ProvUIMessages.ProvisioningUtil_InstallOneTask, installRoots[0].getId(), profile.getProfileId());
	else
	taskMessage = NLS.bind(ProvUIMessages.ProvisioningUtil_InstallManyTask, Integer.toString(installRoots.length), profile.getProfileId());
	try {
	SubMonitor sub = SubMonitor.convert(monitor, 100);
	sub.setTaskName(taskMessage);
	IStatus engineResult = performProvisioningPlan(plan, new DefaultPhaseSet(), profile, sub.newChild(100));
	if (engineResult.isOK()) {
	// mark the roots as such
	for (int i = 0; i < installRoots.length; i++)
	profile.setInstallableUnitProfileProperty(installRoots[i], IInstallableUnitConstants.PROFILE_ROOT_IU, Boolean.toString(true));
	}
	return engineResult;
	} finally {
	monitor.done();
	}
	}

	public static IStatus performProvisioningPlan(ProvisioningPlan plan, PhaseSet phaseSet, Profile profile, IProgressMonitor monitor) throws ProvisionException {
	PhaseSet set;
	if (phaseSet == null)
	set = new DefaultPhaseSet();
	else
	set = phaseSet;
	return getEngine().perform(profile, set, plan.getOperands(), monitor);
	}

	private static Engine getEngine() throws ProvisionException {
	Engine engine = (Engine) ServiceHelper.getService(ProvUIActivator.getContext(), Engine.class.getName());
	if (engine == null) {
	throw new ProvisionException(ProvUIMessages.ProvisioningUtil_NoEngineFound);
	}
	return engine;
	}

	public static IPlanner getPlanner() throws ProvisionException {
	IPlanner planner = (IPlanner) ServiceHelper.getService(ProvUIActivator.getContext(), IPlanner.class.getName());
	if (planner == null) {
	throw new ProvisionException(ProvUIMessages.ProvisioningUtil_NoPlannerFound);
	}
	return planner;
	}
	}