// Check to see if it is already installed. This may alter the request.
Collector alreadyInstalled = profile.query(new InstallableUnitQuery(iu.getId()), new Collector(), null);
if (alreadyInstalled.size() > 0) {
IInstallableUnit installedIU = (IInstallableUnit) alreadyInstalled.iterator().next();
int compareTo = iu.getVersion().compareTo(installedIU.getVersion());
// If the iu is a newer version of something already installed, consider this an
// update request
if (compareTo > 0) {
boolean lockedForUpdate = false;
String value = profile.getInstallableUnitProperty(installedIU,
IInstallableUnit.PROP_PROFILE_LOCKED_IU);
if (value != null) {
lockedForUpdate = (Integer.parseInt(value) & IInstallableUnit.LOCK_UPDATE) ==
IInstallableUnit.LOCK_UPDATE;
}
if (lockedForUpdate) {
// Add a status telling the user that this implies an update, but the
// iu should not be updated
status.merge(new Status(IStatus.WARNING, "temp", 10013, installedIU.getId() + "-" +
installedIU.getVersion() +
" will be ignored because it is already installed, " +
"and updates are not permitted.", null));
} else {
request.addInstallableUnits(new IInstallableUnit[]{iu});
request.removeInstallableUnits(new IInstallableUnit[]{installedIU});
// Add a status informing the user that the update has been inferred
status.merge(new Status(IStatus.WARNING, "temp", 10013, installedIU.getId() + "-" +
installedIU.getVersion() +
" is already installed, so an update will be performed instead.", null));
// Mark it as a root if it hasn't been already
if (!Boolean.toString(true).equals(profile.getInstallableUnitProperty(installedIU,
IInstallableUnit.PROP_PROFILE_ROOT_IU))) {
request.setInstallableUnitProfileProperty(iu, IInstallableUnit.PROP_PROFILE_ROOT_IU,
Boolean.toString(true));
}
}
} else if (compareTo < 0) {
// An implied downgrade. We will not put this in the plan, add a status informing the user
status.merge(new Status(IStatus.WARNING, "temp", 10004, installedIU.getId() + "-" +
installedIU.getVersion() +
" will be ignored because a newer version is already installed.", null));
} else {
if (Boolean.toString(true).equals(profile.getInstallableUnitProperty(installedIU,
IInstallableUnit.PROP_PROFILE_ROOT_IU)))
// It is already a root, nothing to do. We tell the user it was already installed
{
status.merge(new Status(IStatus.WARNING, "temp", 10005, installedIU.getId() + "-" +
installedIU.getVersion() + " will be ignored because it is already installed.", null));
} else {
// It was already installed but not as a root.
// Tell the user that parts of it are already installed and mark it as a root.
status.merge(new Status(IStatus.WARNING, "temp", 10006, installedIU.getId() + "-" +
installedIU.getVersion() +
" is already present because other installed software requires it. " +
"It will be added to the installed software list.", null));
request.setInstallableUnitProfileProperty(iu, "org.eclipse.equinox.p2.type.root",
Boolean.toString(true));
}