bundles/org.eclipse.equinox.p2.installer/src/org/eclipse/equinox/internal/p2/installer/InstallUpdateProductOperation.java - equinox/rt.equinox.p2 - Git at Google

 /*******************************************************************************
  * Copyright (c) 2007, 2008 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.internal.p2.installer;

 import java.net.URL;
 import java.util.*;
 import org.eclipse.core.runtime.*;
 import org.eclipse.equinox.internal.p2.core.helpers.ServiceHelper;
 import org.eclipse.equinox.internal.provisional.p2.artifact.repository.IArtifactRepositoryManager;
 import org.eclipse.equinox.internal.provisional.p2.core.ProvisionException;
 import org.eclipse.equinox.internal.provisional.p2.director.IDirector;
 import org.eclipse.equinox.internal.provisional.p2.director.ProfileChangeRequest;
 import org.eclipse.equinox.internal.provisional.p2.engine.IProfile;
 import org.eclipse.equinox.internal.provisional.p2.engine.IProfileRegistry;
 import org.eclipse.equinox.internal.provisional.p2.installer.IInstallOperation;
 import org.eclipse.equinox.internal.provisional.p2.installer.InstallDescription;
 import org.eclipse.equinox.internal.provisional.p2.metadata.IInstallableUnit;
 import org.eclipse.equinox.internal.provisional.p2.metadata.query.InstallableUnitQuery;
 import org.eclipse.equinox.internal.provisional.p2.metadata.repository.IMetadataRepositoryManager;
 import org.eclipse.equinox.internal.provisional.p2.query.Collector;
 import org.eclipse.equinox.internal.provisional.p2.query.Query;
 import org.eclipse.osgi.service.environment.EnvironmentInfo;
 import org.eclipse.osgi.service.resolver.VersionRange;
 import org.eclipse.osgi.util.NLS;
 import org.osgi.framework.*;

 /**
  * This operation performs installation or update of an Eclipse-based product.
  */
 public class InstallUpdateProductOperation implements IInstallOperation {

 	private IArtifactRepositoryManager artifactRepoMan;
 	private BundleContext bundleContext;
 	private IDirector director;
 	private final InstallDescription installDescription;
 	private boolean isInstall = true;
 	private IMetadataRepositoryManager metadataRepoMan;
 	private IProfileRegistry profileRegistry;
 	private IStatus result;

 	private ArrayList serviceReferences = new ArrayList();

 	public InstallUpdateProductOperation(BundleContext context, InstallDescription description) {
 		this.bundleContext = context;
 		this.installDescription = description;
 	}

 	/**
 	 * Determine what top level installable units should be installed by the director
 	 */
 	private IInstallableUnit[] computeUnitsToInstall() throws CoreException {
 		return new IInstallableUnit[] {findUnit(installDescription.getRootId(), installDescription.getRootVersion())};
 	}

 	/**
 	 * This profile is being updated; return the units to uninstall from the profile.
 	 */
 	private IInstallableUnit[] computeUnitsToUninstall(IProfile p) {
 		return (IInstallableUnit[]) p.query(InstallableUnitQuery.ANY, new Collector(), null).toArray(IInstallableUnit.class);
 	}

 	/**
 	 * Create and return the profile into which units will be installed.
 	 */
 	private IProfile createProfile() {
 		IProfile profile = getProfile();
 		if (profile == null) {
 			Map properties = new HashMap();
 			properties.put(IProfile.PROP_INSTALL_FOLDER, installDescription.getInstallLocation().toString());
 			EnvironmentInfo info = (EnvironmentInfo) ServiceHelper.getService(InstallerActivator.getDefault().getContext(), EnvironmentInfo.class.getName());
 			String env = "osgi.os=" + info.getOS() + ",osgi.ws=" + info.getWS() + ",osgi.arch=" + info.getOSArch(); //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
 			properties.put(IProfile.PROP_ENVIRONMENTS, env);
 			properties.putAll(installDescription.getProfileProperties());
 			profile = profileRegistry.addProfile(getProfileId(), properties);
 		}
 		return profile;
 	}

 	/**
 	 * Performs the actual product install or update.
 	 */
 	private void doInstall(SubMonitor monitor) throws CoreException {
 		prepareMetadataRepository();
 		prepareArtifactRepository();
 		IProfile p = createProfile();
 		IInstallableUnit[] toInstall = computeUnitsToInstall();
 		monitor.worked(5);

 		IStatus s;
 		ProfileChangeRequest request = new ProfileChangeRequest(p);
 		if (isInstall) {
 			monitor.setTaskName(NLS.bind(Messages.Op_Installing, installDescription.getProductName()));
 			request.addInstallableUnits(toInstall);
 			s = director.provision(request, null, monitor.newChild(90));
 		} else {
 			monitor.setTaskName(NLS.bind(Messages.Op_Updating, installDescription.getProductName()));
 			IInstallableUnit[] toUninstall = computeUnitsToUninstall(p);
 			request.removeInstallableUnits(toUninstall);
 			request.addInstallableUnits(toInstall);
 			s = director.provision(request, null, monitor.newChild(90));
 		}
 		if (!s.isOK())
 			throw new CoreException(s);
 	}

 	/**
 	 * Returns an exception of severity error with the given error message.
 	 */
 	private CoreException fail(String message) {
 		return fail(message, null);
 	}

 	/**
 	 * Returns an exception of severity error with the given error message.
 	 */
 	private CoreException fail(String message, Throwable throwable) {
 		return new CoreException(new Status(IStatus.ERROR, InstallerActivator.PI_INSTALLER, message, throwable));
 	}

 	/**
 	 * Finds and returns the installable unit with the given id, and optionally the
 	 * given version.
 	 */
 	private IInstallableUnit findUnit(String id, Version version) throws CoreException {
 		if (id == null)
 			throw fail(Messages.Op_NoId);
 		VersionRange range = VersionRange.emptyRange;
 		if (version != null && !version.equals(Version.emptyVersion))
 			range = new VersionRange(version, true, version, true);
 		Query query = new InstallableUnitQuery(id, range);
 		Collector collector = new Collector();
 		Iterator matches = metadataRepoMan.query(query, collector, null).iterator();
 		//pick the newest match
 		IInstallableUnit newest = null;
 		while (matches.hasNext()) {
 			IInstallableUnit candidate = (IInstallableUnit) matches.next();
 			if (newest == null || (newest.getVersion().compareTo(candidate.getVersion()) < 0))
 				newest = candidate;
 		}
 		if (newest == null)
 			throw fail(Messages.Op_IUNotFound + id);
 		return newest;
 	}

 	/**
 	 * Returns the profile being installed into.
 	 */
 	private IProfile getProfile() {
 		return profileRegistry.getProfile(getProfileId());
 	}

 	/**
 	 * Returns the id of the profile to use for install/update based on this operation's install description.
 	 */
 	private String getProfileId() {
 		IPath location = installDescription.getInstallLocation();
 		if (location != null)
 			return location.toString();
 		return installDescription.getProductName();
 	}

 	/**
 	 * Returns the result of the install operation, or <code>null</code> if
 	 * no install operation has been run.
 	 */
 	public IStatus getResult() {
 		return result;
 	}

 	private Object getService(String name) throws CoreException {
 		ServiceReference ref = bundleContext.getServiceReference(name);
 		if (ref == null)
 			throw fail(Messages.Op_NoService + name);
 		Object service = bundleContext.getService(ref);
 		if (service == null)
 			throw fail(Messages.Op_NoServiceImpl + name);
 		serviceReferences.add(ref);
 		return service;
 	}

 	/* (non-Javadoc)
 	 * @see org.eclipse.equinox.internal.provisional.p2.installer.IInstallOperation#install(org.eclipse.core.runtime.IProgressMonitor)
 	 */
 	public IStatus install(IProgressMonitor pm) {
 		SubMonitor monitor = SubMonitor.convert(pm, Messages.Op_Preparing, 100);
 		try {
 			try {
 				preInstall();
 				isInstall = getProfile() == null;
 				doInstall(monitor);
 				result = new Status(IStatus.OK, InstallerActivator.PI_INSTALLER, isInstall ? Messages.Op_InstallComplete : Messages.Op_UpdateComplete, null);
 				monitor.setTaskName(Messages.Op_Cleanup);
 			} finally {
 				postInstall();
 			}
 		} catch (CoreException e) {
 			result = e.getStatus();
 		} finally {
 			monitor.done();
 		}
 		return result;
 	}

 	/**
 	 * Returns whether this operation represents the product being installed
 	 * for the first time, in a new profile.
 	 */
 	public boolean isFirstInstall() {
 		return isInstall;
 	}

 	private void postInstall() {
 		for (Iterator it = serviceReferences.iterator(); it.hasNext();) {
 			ServiceReference sr = (ServiceReference) it.next();
 			bundleContext.ungetService(sr);
 		}
 		serviceReferences.clear();
 	}

 	private void preInstall() throws CoreException {
 		//obtain required services
 		serviceReferences.clear();
 		director = (IDirector) getService(IDirector.class.getName());
 		metadataRepoMan = (IMetadataRepositoryManager) getService(IMetadataRepositoryManager.class.getName());
 		artifactRepoMan = (IArtifactRepositoryManager) getService(IArtifactRepositoryManager.class.getName());
 		profileRegistry = (IProfileRegistry) getService(IProfileRegistry.class.getName());
 	}

 	private void prepareArtifactRepository() throws ProvisionException {
 		URL artifactRepo = installDescription.getArtifactRepository();
 		if (artifactRepo != null)
 			artifactRepoMan.loadRepository(artifactRepo, null);
 	}

 	private void prepareMetadataRepository() throws ProvisionException {
 		URL metadataRepo = installDescription.getMetadataRepository();
 		if (metadataRepo != null)
 			metadataRepoMan.loadRepository(metadataRepo, null);
 	}
 }
	/*******************************************************************************
	* Copyright (c) 2007, 2008 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.internal.p2.installer;

	import java.net.URL;
	import java.util.*;
	import org.eclipse.core.runtime.*;
	import org.eclipse.equinox.internal.p2.core.helpers.ServiceHelper;
	import org.eclipse.equinox.internal.provisional.p2.artifact.repository.IArtifactRepositoryManager;
	import org.eclipse.equinox.internal.provisional.p2.core.ProvisionException;
	import org.eclipse.equinox.internal.provisional.p2.director.IDirector;
	import org.eclipse.equinox.internal.provisional.p2.director.ProfileChangeRequest;
	import org.eclipse.equinox.internal.provisional.p2.engine.IProfile;
	import org.eclipse.equinox.internal.provisional.p2.engine.IProfileRegistry;
	import org.eclipse.equinox.internal.provisional.p2.installer.IInstallOperation;
	import org.eclipse.equinox.internal.provisional.p2.installer.InstallDescription;
	import org.eclipse.equinox.internal.provisional.p2.metadata.IInstallableUnit;
	import org.eclipse.equinox.internal.provisional.p2.metadata.query.InstallableUnitQuery;
	import org.eclipse.equinox.internal.provisional.p2.metadata.repository.IMetadataRepositoryManager;
	import org.eclipse.equinox.internal.provisional.p2.query.Collector;
	import org.eclipse.equinox.internal.provisional.p2.query.Query;
	import org.eclipse.osgi.service.environment.EnvironmentInfo;
	import org.eclipse.osgi.service.resolver.VersionRange;
	import org.eclipse.osgi.util.NLS;
	import org.osgi.framework.*;

	/**
	* This operation performs installation or update of an Eclipse-based product.
	*/
	public class InstallUpdateProductOperation implements IInstallOperation {

	private IArtifactRepositoryManager artifactRepoMan;
	private BundleContext bundleContext;
	private IDirector director;
	private final InstallDescription installDescription;
	private boolean isInstall = true;
	private IMetadataRepositoryManager metadataRepoMan;
	private IProfileRegistry profileRegistry;
	private IStatus result;

	private ArrayList serviceReferences = new ArrayList();

	public InstallUpdateProductOperation(BundleContext context, InstallDescription description) {
	this.bundleContext = context;
	this.installDescription = description;
	}

	/**
	* Determine what top level installable units should be installed by the director
	*/
	private IInstallableUnit[] computeUnitsToInstall() throws CoreException {
	return new IInstallableUnit[] {findUnit(installDescription.getRootId(), installDescription.getRootVersion())};
	}

	/**
	* This profile is being updated; return the units to uninstall from the profile.
	*/
	private IInstallableUnit[] computeUnitsToUninstall(IProfile p) {
	return (IInstallableUnit[]) p.query(InstallableUnitQuery.ANY, new Collector(), null).toArray(IInstallableUnit.class);
	}

	/**
	* Create and return the profile into which units will be installed.
	*/
	private IProfile createProfile() {
	IProfile profile = getProfile();
	if (profile == null) {
	Map properties = new HashMap();
	properties.put(IProfile.PROP_INSTALL_FOLDER, installDescription.getInstallLocation().toString());
	EnvironmentInfo info = (EnvironmentInfo) ServiceHelper.getService(InstallerActivator.getDefault().getContext(), EnvironmentInfo.class.getName());
	String env = "osgi.os=" + info.getOS() + ",osgi.ws=" + info.getWS() + ",osgi.arch=" + info.getOSArch(); //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
	properties.put(IProfile.PROP_ENVIRONMENTS, env);
	properties.putAll(installDescription.getProfileProperties());
	profile = profileRegistry.addProfile(getProfileId(), properties);
	}
	return profile;
	}

	/**
	* Performs the actual product install or update.
	*/
	private void doInstall(SubMonitor monitor) throws CoreException {
	prepareMetadataRepository();
	prepareArtifactRepository();
	IProfile p = createProfile();
	IInstallableUnit[] toInstall = computeUnitsToInstall();
	monitor.worked(5);

	IStatus s;
	ProfileChangeRequest request = new ProfileChangeRequest(p);
	if (isInstall) {
	monitor.setTaskName(NLS.bind(Messages.Op_Installing, installDescription.getProductName()));
	request.addInstallableUnits(toInstall);
	s = director.provision(request, null, monitor.newChild(90));
	} else {
	monitor.setTaskName(NLS.bind(Messages.Op_Updating, installDescription.getProductName()));
	IInstallableUnit[] toUninstall = computeUnitsToUninstall(p);
	request.removeInstallableUnits(toUninstall);
	request.addInstallableUnits(toInstall);
	s = director.provision(request, null, monitor.newChild(90));
	}
	if (!s.isOK())
	throw new CoreException(s);
	}

	/**
	* Returns an exception of severity error with the given error message.
	*/
	private CoreException fail(String message) {
	return fail(message, null);
	}

	/**
	* Returns an exception of severity error with the given error message.
	*/
	private CoreException fail(String message, Throwable throwable) {
	return new CoreException(new Status(IStatus.ERROR, InstallerActivator.PI_INSTALLER, message, throwable));
	}

	/**
	* Finds and returns the installable unit with the given id, and optionally the
	* given version.
	*/
	private IInstallableUnit findUnit(String id, Version version) throws CoreException {
	if (id == null)
	throw fail(Messages.Op_NoId);
	VersionRange range = VersionRange.emptyRange;
	if (version != null && !version.equals(Version.emptyVersion))
	range = new VersionRange(version, true, version, true);
	Query query = new InstallableUnitQuery(id, range);
	Collector collector = new Collector();
	Iterator matches = metadataRepoMan.query(query, collector, null).iterator();
	//pick the newest match
	IInstallableUnit newest = null;
	while (matches.hasNext()) {
	IInstallableUnit candidate = (IInstallableUnit) matches.next();
	if (newest == null \|\| (newest.getVersion().compareTo(candidate.getVersion()) < 0))
	newest = candidate;
	}
	if (newest == null)
	throw fail(Messages.Op_IUNotFound + id);
	return newest;
	}

	/**
	* Returns the profile being installed into.
	*/
	private IProfile getProfile() {
	return profileRegistry.getProfile(getProfileId());
	}

	/**
	* Returns the id of the profile to use for install/update based on this operation's install description.
	*/
	private String getProfileId() {
	IPath location = installDescription.getInstallLocation();
	if (location != null)
	return location.toString();
	return installDescription.getProductName();
	}

	/**
	* Returns the result of the install operation, or <code>null</code> if
	* no install operation has been run.
	*/
	public IStatus getResult() {
	return result;
	}

	private Object getService(String name) throws CoreException {
	ServiceReference ref = bundleContext.getServiceReference(name);
	if (ref == null)
	throw fail(Messages.Op_NoService + name);
	Object service = bundleContext.getService(ref);
	if (service == null)
	throw fail(Messages.Op_NoServiceImpl + name);
	serviceReferences.add(ref);
	return service;
	}

	/* (non-Javadoc)
	* @see org.eclipse.equinox.internal.provisional.p2.installer.IInstallOperation#install(org.eclipse.core.runtime.IProgressMonitor)
	*/
	public IStatus install(IProgressMonitor pm) {
	SubMonitor monitor = SubMonitor.convert(pm, Messages.Op_Preparing, 100);
	try {
	try {
	preInstall();
	isInstall = getProfile() == null;
	doInstall(monitor);
	result = new Status(IStatus.OK, InstallerActivator.PI_INSTALLER, isInstall ? Messages.Op_InstallComplete : Messages.Op_UpdateComplete, null);
	monitor.setTaskName(Messages.Op_Cleanup);
	} finally {
	postInstall();
	}
	} catch (CoreException e) {
	result = e.getStatus();
	} finally {
	monitor.done();
	}
	return result;
	}

	/**
	* Returns whether this operation represents the product being installed
	* for the first time, in a new profile.
	*/
	public boolean isFirstInstall() {
	return isInstall;
	}

	private void postInstall() {
	for (Iterator it = serviceReferences.iterator(); it.hasNext();) {
	ServiceReference sr = (ServiceReference) it.next();
	bundleContext.ungetService(sr);
	}
	serviceReferences.clear();
	}

	private void preInstall() throws CoreException {
	//obtain required services
	serviceReferences.clear();
	director = (IDirector) getService(IDirector.class.getName());
	metadataRepoMan = (IMetadataRepositoryManager) getService(IMetadataRepositoryManager.class.getName());
	artifactRepoMan = (IArtifactRepositoryManager) getService(IArtifactRepositoryManager.class.getName());
	profileRegistry = (IProfileRegistry) getService(IProfileRegistry.class.getName());
	}

	private void prepareArtifactRepository() throws ProvisionException {
	URL artifactRepo = installDescription.getArtifactRepository();
	if (artifactRepo != null)
	artifactRepoMan.loadRepository(artifactRepo, null);
	}

	private void prepareMetadataRepository() throws ProvisionException {
	URL metadataRepo = installDescription.getMetadataRepository();
	if (metadataRepo != null)
	metadataRepoMan.loadRepository(metadataRepo, null);
	}
	}