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/*******************************************************************************
* Copyright (c) 2011 WindRiver 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:
* WindRiver Corporation - initial API and implementation
* Ericsson AB - Ongoing development
* Ericsson AB (Pascal Rapicault)
* Ericsson AB (Hamdan Msheik)
*******************************************************************************/
package org.eclipse.equinox.internal.p2.ui.sdk.scheduler.migration;
import java.net.URI;
import java.util.*;
import org.eclipse.core.runtime.OperationCanceledException;
import org.eclipse.core.runtime.Platform;
import org.eclipse.equinox.internal.p2.core.helpers.ServiceHelper;
import org.eclipse.equinox.internal.p2.ui.ProvUIActivator;
import org.eclipse.equinox.internal.p2.ui.dialogs.ISelectableIUsPage;
import org.eclipse.equinox.internal.p2.ui.dialogs.InstallWizard;
import org.eclipse.equinox.internal.p2.ui.model.IUElementListRoot;
import org.eclipse.equinox.internal.p2.ui.sdk.scheduler.AutomaticUpdatePlugin;
import org.eclipse.equinox.p2.core.IProvisioningAgent;
import org.eclipse.equinox.p2.core.ProvisionException;
import org.eclipse.equinox.p2.engine.*;
import org.eclipse.equinox.p2.metadata.IInstallableUnit;
import org.eclipse.equinox.p2.operations.InstallOperation;
import org.eclipse.equinox.p2.repository.IRepositoryManager;
import org.eclipse.equinox.p2.repository.artifact.IArtifactRepositoryManager;
import org.eclipse.equinox.p2.repository.metadata.IMetadataRepositoryManager;
import org.eclipse.equinox.p2.ui.LoadMetadataRepositoryJob;
import org.eclipse.equinox.p2.ui.ProvisioningUI;
import org.eclipse.jface.dialogs.IDialogConstants;
import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.jface.resource.ImageDescriptor;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.jface.wizard.IWizardPage;
import org.eclipse.ui.IImportWizard;
import org.eclipse.ui.IWorkbench;
public class MigrationWizard extends InstallWizard implements IImportWizard {
private IProfile toImportFrom;
Collection<IInstallableUnit> unitsToMigrate;
private URI[] reposToMigrate;
private List<URI> addedRepos = new ArrayList<URI>();
private boolean firstTime = false;
public MigrationWizard() {
this(ProvisioningUI.getDefaultUI(), null, null, null);
}
public MigrationWizard(IProfile toImportFrom, Collection<IInstallableUnit> unitsToMigrate, URI[] reposToMigrate, boolean firstTime) {
this(ProvisioningUI.getDefaultUI(), null, null, null);
this.toImportFrom = toImportFrom;
this.unitsToMigrate = unitsToMigrate;
this.reposToMigrate = reposToMigrate;
this.firstTime = firstTime;
addRepos();
}
public MigrationWizard(ProvisioningUI ui, InstallOperation operation, Collection<IInstallableUnit> initialSelections, LoadMetadataRepositoryJob preloadJob) {
super(ui, operation, initialSelections, preloadJob);
}
public void init(IWorkbench workbench, IStructuredSelection selection) {
setWindowTitle(firstTime ? ProvUIMessages.MigrationWizard_WINDOWTITLE_FIRSTRUN : ProvUIMessages.MigrationWizard_WINDOWTITLE);
setDefaultPageImageDescriptor(ImageDescriptor.createFromURL(Platform.getBundle(ProvUIActivator.PLUGIN_ID).getEntry("icons/install_wiz.gif"))); //$NON-NLS-1$
setNeedsProgressMonitor(true);
}
@Override
protected ISelectableIUsPage createMainPage(IUElementListRoot input, Object[] selections) {
if (unitsToMigrate != null)
return new MigrationPage(ui, this, toImportFrom, unitsToMigrate, firstTime);
return new MigrationPage(ui, this, firstTime);
}
@Override
protected ProvisioningContext getProvisioningContext() {
return ((MigrationPage) mainPage).getProvisioningContext();
}
@Override
public boolean performFinish() {
cleanupProfileRegistry();
boolean finished = super.performFinish();
if (finished) {
rememberMigrationCompleted();
}
return finished;
}
private void addRepos() {
IProvisioningAgent agent = (IProvisioningAgent) ServiceHelper.getService(AutomaticUpdatePlugin.getContext(), IProvisioningAgent.SERVICE_NAME);
IMetadataRepositoryManager metaManager = (IMetadataRepositoryManager) agent.getService(IMetadataRepositoryManager.SERVICE_NAME);
IArtifactRepositoryManager artifactManager = (IArtifactRepositoryManager) agent.getService(IArtifactRepositoryManager.SERVICE_NAME);
List<URI> currentMetaRepos = Arrays.asList(metaManager.getKnownRepositories(IRepositoryManager.REPOSITORIES_ALL));
if (reposToMigrate != null && metaManager != null && artifactManager != null) {
for (int i = 0; i < reposToMigrate.length; i++) {
if (!currentMetaRepos.contains(reposToMigrate[i])) {
metaManager.addRepository(reposToMigrate[i]);
artifactManager.addRepository(reposToMigrate[i]);
addedRepos.add(reposToMigrate[i]);
}
}
}
}
private void removeRepos() {
IProvisioningAgent agent = (IProvisioningAgent) ServiceHelper.getService(AutomaticUpdatePlugin.getContext(), IProvisioningAgent.SERVICE_NAME);
IMetadataRepositoryManager metaManager = (IMetadataRepositoryManager) agent.getService(IMetadataRepositoryManager.SERVICE_NAME);
IArtifactRepositoryManager artifactManager = (IArtifactRepositoryManager) agent.getService(IArtifactRepositoryManager.SERVICE_NAME);
if (metaManager != null && artifactManager != null) {
for (int i = 0; i < addedRepos.size(); i++) {
metaManager.removeRepository(reposToMigrate[i]);
artifactManager.removeRepository(reposToMigrate[i]);
}
}
}
//Remember that we completed the migration
private void rememberMigrationCompleted() {
new MigrationSupport().rememberMigrationCompleted();
}
//Purge the profile registry from all the entries that are no longer relevant
//We keep the base we import from on purpose to help with debugging
private void cleanupProfileRegistry() {
IProfileRegistry registry = (IProfileRegistry) ProvisioningUI.getDefaultUI().getSession().getProvisioningAgent().getService(IProfileRegistry.SERVICE_NAME);
long[] history = registry.listProfileTimestamps(toImportFrom.getProfileId());
for (int i = 0; i < history.length; i++) {
if (history[i] < toImportFrom.getTimestamp())
try {
registry.removeProfile(toImportFrom.getProfileId(), history[i]);
} catch (ProvisionException e) {
//Can't happen
}
}
}
public boolean performCancel() {
String[] buttons = new String[] {IDialogConstants.YES_LABEL, ProvUIMessages.MigrationPage_LATER_BUTTON, IDialogConstants.NO_LABEL};
MessageDialog dialog = new MessageDialog(getShell(), ProvUIMessages.MigrationPage_CONFIRMATION_TITLE, null, ProvUIMessages.MigrationPage_CONFIRMATION_DIALOG, MessageDialog.QUESTION, buttons, 2);
return rememberCancellationDecision(dialog.open());
}
//Method public for test
public boolean rememberCancellationDecision(int answer) {
boolean result = false;
switch (answer) {
case -1 : // if the user closes the dialog without clicking any button.
break;
case 0 :
result = true;
removeRepos();
rememberMigrationCompleted();
break;
case 1 :
result = true;
removeRepos();
break;
case 2 :
result = false;
break;
}
return result;
}
public IWizardPage getNextPage(IWizardPage page) {
IWizardPage toReturn = page;
try {
toReturn = super.getNextPage(page);
} catch (OperationCanceledException oce) {
// swallow and stay on the same page
}
return toReturn;
}
}
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