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/*******************************************************************************
* Copyright (c) 2007, 2010 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
* Code 9 - ongoing development
* Sonatype, Inc. - ongoing development
*******************************************************************************/
package org.eclipse.equinox.internal.p2.installer;
import java.net.URI;
import java.util.*;
import org.eclipse.core.runtime.*;
import org.eclipse.equinox.internal.p2.core.helpers.ServiceHelper;
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.installer.IInstallOperation;
import org.eclipse.equinox.internal.provisional.p2.installer.InstallDescription;
import org.eclipse.equinox.p2.core.IProvisioningAgent;
import org.eclipse.equinox.p2.core.ProvisionException;
import org.eclipse.equinox.p2.engine.IProfile;
import org.eclipse.equinox.p2.engine.IProfileRegistry;
import org.eclipse.equinox.p2.metadata.*;
import org.eclipse.equinox.p2.query.*;
import org.eclipse.equinox.p2.repository.artifact.IArtifactRepositoryManager;
import org.eclipse.equinox.p2.repository.metadata.IMetadataRepositoryManager;
import org.eclipse.osgi.service.environment.EnvironmentInfo;
import org.eclipse.osgi.util.NLS;
/**
* This operation performs installation or update of an Eclipse-based product.
*/
public class InstallUpdateProductOperation implements IInstallOperation {
private IArtifactRepositoryManager artifactRepoMan;
private IProvisioningAgent agent;
private IDirector director;
private final InstallDescription installDescription;
private boolean isInstall = true;
private IMetadataRepositoryManager metadataRepoMan;
private IProfileRegistry profileRegistry;
private IStatus result;
public InstallUpdateProductOperation(IProvisioningAgent agent, InstallDescription description) {
this.agent = agent;
this.installDescription = description;
}
/**
* Determine what top level installable units should be installed by the director
*/
private Collection<IInstallableUnit> computeUnitsToInstall() throws CoreException {
ArrayList<IInstallableUnit> units = new ArrayList<IInstallableUnit>();
IVersionedId roots[] = installDescription.getRoots();
for (int i = 0; i < roots.length; i++) {
IVersionedId root = roots[i];
IInstallableUnit iu = findUnit(root);
if (iu != null)
units.add(iu);
}
return units;
}
/**
* This profile is being updated; return the units to uninstall from the profile.
*/
private IQueryResult<IInstallableUnit> computeUnitsToUninstall(IProfile p) {
return p.query(QueryUtil.createIUAnyQuery(), null);
}
/**
* Create and return the profile into which units will be installed.
*/
private IProfile createProfile() throws ProvisionException {
IProfile profile = getProfile();
if (profile == null) {
Map<String, String> properties = new HashMap<String, String>();
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.put(IProfile.PROP_NAME, installDescription.getProductName());
properties.putAll(installDescription.getProfileProperties());
IPath location = installDescription.getBundleLocation();
if (location != null)
properties.put(IProfile.PROP_CACHE, location.toOSString());
profile = profileRegistry.addProfile(getProfileId(), properties);
}
return profile;
}
/**
* Performs the actual product install or update.
*/
private void doInstall(SubMonitor monitor) throws CoreException {
prepareMetadataRepositories();
prepareArtifactRepositories();
IProfile p = createProfile();
Collection<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.addAll(toInstall);
s = director.provision(request, null, monitor.newChild(90));
} else {
monitor.setTaskName(NLS.bind(Messages.Op_Updating, installDescription.getProductName()));
IQueryResult<IInstallableUnit> toUninstall = computeUnitsToUninstall(p);
request.removeAll(toUninstall.toSet());
request.addAll(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(IVersionedId spec) throws CoreException {
String id = spec.getId();
if (id == null)
throw fail(Messages.Op_NoId);
Version version = spec.getVersion();
VersionRange range = VersionRange.emptyRange;
if (version != null && !version.equals(Version.emptyVersion))
range = new VersionRange(version, true, version, true);
IQuery<IInstallableUnit> query = QueryUtil.createIUQuery(id, range);
Iterator<IInstallableUnit> matches = metadataRepoMan.query(query, null).iterator();
// pick the newest match
IInstallableUnit newest = null;
while (matches.hasNext()) {
IInstallableUnit candidate = 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 {
Object service = agent.getService(name);
if (service == null)
throw fail(Messages.Op_NoServiceImpl + name);
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() {
//nothing to do
}
private void preInstall() throws CoreException {
//obtain required services
director = (IDirector) getService(IDirector.SERVICE_NAME);
metadataRepoMan = (IMetadataRepositoryManager) getService(IMetadataRepositoryManager.SERVICE_NAME);
artifactRepoMan = (IArtifactRepositoryManager) getService(IArtifactRepositoryManager.SERVICE_NAME);
profileRegistry = (IProfileRegistry) getService(IProfileRegistry.SERVICE_NAME);
}
private void prepareArtifactRepositories() throws ProvisionException {
URI[] repos = installDescription.getArtifactRepositories();
if (repos == null)
return;
// Repositories must be registered before they are loaded
// This is to avoid them being possibly overridden with the configuration as a referenced repository
for (int i = 0; i < repos.length; i++) {
artifactRepoMan.addRepository(repos[i]);
artifactRepoMan.loadRepository(repos[i], null);
}
}
private void prepareMetadataRepositories() throws ProvisionException {
URI[] repos = installDescription.getMetadataRepositories();
if (repos == null)
return;
// Repositories must be registered before they are loaded
// This is to avoid them being possibly overridden with the configuration as a referenced repository
for (int i = 0; i < repos.length; i++) {
metadataRepoMan.addRepository(repos[i]);
metadataRepoMan.loadRepository(repos[i], null);
}
}
}
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