blob: 6e6b2c15eed0c972c514e5ea898e947e7b7def91 [file] [log] [blame]
/*******************************************************************************
* Copyright (c) 2000, 2003 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Common Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/cpl-v10.html
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.update.internal.core;
import java.io.*;
import java.net.*;
import java.util.*;
import org.eclipse.core.runtime.*;
import org.eclipse.update.configuration.*;
import org.eclipse.update.core.*;
import org.eclipse.update.core.model.*;
import org.eclipse.update.internal.model.*;
import org.eclipse.update.configurator.*;
/**
* This class manages the reconciliation.
*/
public class SiteReconciler extends ModelObject implements IWritable {
private SiteLocal siteLocal;
private List newFoundFeatures;
private Date date;
private static final String DEFAULT_INSTALL_CHANGE_NAME = "delta.xml";
//$NON-NLS-1$
/**
*
*/
public SiteReconciler(SiteLocal siteLocal) {
this.siteLocal = siteLocal;
}
/**
*
*/
/*package */
URL resolveSiteEntry(IPlatformConfiguration.ISiteEntry newSiteEntry) throws CoreException {
URL resolvedURL = null;
try {
resolvedURL = Platform.resolve(newSiteEntry.getURL());
} catch (IOException e) {
throw Utilities.newCoreException(Policy.bind("SiteLocal.UnableToResolve", newSiteEntry.getURL().toExternalForm()), e);
//$NON-NLS-1$
}
return resolvedURL;
}
/*
* Enable feature if:
* This is an optimistic reconciliation OR
* The feature is considered optional by ALL its parents AND at least one of them is enable
* Otherwise disable the feature.
*
* If all its parent consider the feature as optional but none are enable,
* do not add in the list of new found features. Just disable it.
*/
private void configureNewFoundFeature(boolean isOptimistic, ConfigurationPolicy newSitePolicy, ConfigurationPolicy oldSitePolicy, IFeatureReference foundFeature, IFeatureReference[] possibleParents) throws CoreException {
// TRACE
if (UpdateCore.DEBUG && UpdateCore.DEBUG_SHOW_RECONCILER) {
String reconciliationType = isOptimistic ? "enable (optimistic)" : "disable (pessimistic)";
UpdateCore.debug("This feature is new: " + foundFeature.getURL() + " reconciled as " + reconciliationType);
}
if (isOptimistic) {
newSitePolicy.configure(foundFeature, true, false);
return;
}
IFeatureReference[] allOptionalParents = UpdateManagerUtils.getParentFeatures(foundFeature, possibleParents, true);
IFeatureReference[] allParents = UpdateManagerUtils.getParentFeatures(foundFeature, possibleParents, false);
// none of my parents consider me as optional OR I have no parents,
// consider as root feature
if (allOptionalParents.length == 0) {
if (UpdateCore.DEBUG && UpdateCore.DEBUG_SHOW_RECONCILER) {
UpdateCore.debug("There are no features who consider the feature as optional. Treat as root feature.");
}
newSitePolicy.unconfigure(foundFeature, true, false);
newFoundFeatures.add(foundFeature);
return;
}
//At least one of my parent considers me non optional
// consider root feature
if (allParents.length > allOptionalParents.length) {
if (UpdateCore.DEBUG && UpdateCore.DEBUG_SHOW_RECONCILER) {
UpdateCore.debug("At least one parent considers the feature as NON optional. Treat as root feature.");
}
newSitePolicy.unconfigure(foundFeature, true, false);
newFoundFeatures.add(foundFeature);
return;
}
for (int i = 0; i < allOptionalParents.length; i++) {
// one parent that consider me optional is enable, enable feature
if (oldSitePolicy.isConfigured(allOptionalParents[i])) {
if (UpdateCore.DEBUG && UpdateCore.DEBUG_SHOW_RECONCILER) {
UpdateCore.debug("Found parent feature:" + allOptionalParents[i] + " as enable: Enable optional child feature:" + foundFeature);
}
newSitePolicy.configure(foundFeature, true, false);
return;
}
}
// found parent that consider me optional but they are all disable
// unconfigure feature without adding it to the list fo new found features
if (UpdateCore.DEBUG && UpdateCore.DEBUG_SHOW_RECONCILER) {
UpdateCore.debug("No parents are enable. Disable feature.");
}
newSitePolicy.unconfigure(foundFeature, true, false);
}
/**
* Validate we have only one configured feature per site
* even if we found multiples
*
* If we find 2 features, the one with a higher version is configured
* If they have the same version, the first feature is configured
*
* DO NOT check across sites [17980]
* If Feature1 is installed natively on Site A
* If Feature1 is installed on Site B
* If Feature1 from SiteA is removed...
*/
private void checkConfiguredFeatures(IInstallConfiguration newDefaultConfiguration) throws CoreException {
IConfiguredSite[] configuredSites = newDefaultConfiguration.getConfiguredSites();
// each configured site
for (int indexConfiguredSites = 0; indexConfiguredSites < configuredSites.length; indexConfiguredSites++) {
checkConfiguredFeatures(configuredSites[indexConfiguredSites]);
}
}
/**
* Validate we have only one configured feature of a specific id
* per configured site
*/
public static void checkConfiguredFeaturesOld(IConfiguredSite configuredSite) throws CoreException {
// NOT USED
ConfiguredSite cSite = (ConfiguredSite) configuredSite;
IFeatureReference[] configuredFeatures = cSite.getConfiguredFeatures();
ConfigurationPolicy cPolicy = cSite.getConfigurationPolicy();
// TRACE
if (UpdateCore.DEBUG && UpdateCore.DEBUG_SHOW_RECONCILER) {
UpdateCore.debug("Compare features within :" + configuredSite.getSite().getURL());
}
for (int indexConfiguredFeatures = 0; indexConfiguredFeatures < configuredFeatures.length - 1; indexConfiguredFeatures++) {
IFeatureReference featureToCompare = configuredFeatures[indexConfiguredFeatures];
// within the configured site
// compare with the other configured features of this site
for (int restOfConfiguredFeatures = indexConfiguredFeatures + 1; restOfConfiguredFeatures < configuredFeatures.length; restOfConfiguredFeatures++) {
int result = compare(featureToCompare, configuredFeatures[restOfConfiguredFeatures]);
if (result != 0) {
if (result == 1) {
cPolicy.unconfigure(configuredFeatures[restOfConfiguredFeatures], true, false);
}
if (result == 2) {
cPolicy.unconfigure(featureToCompare, true, false);
}
}
}
}
}
/**
* compare two feature references
* returns 0 if the feature are different
* returns 1 if the version of feature 1 is greater than the version of feature 2
* returns 2 if opposite
*/
private static int compare(IFeatureReference featureRef1, IFeatureReference featureRef2) throws CoreException {
// TRACE
if (UpdateCore.DEBUG && UpdateCore.DEBUG_SHOW_RECONCILER) {
UpdateCore.debug("Compare: " + featureRef1 + " && " + featureRef2);
}
if (featureRef1 == null)
return 0;
IFeature feature1 = null;
IFeature feature2 = null;
try {
feature1 = featureRef1.getFeature(null);
feature2 = featureRef2.getFeature(null);
} catch (CoreException e) {
UpdateCore.warn(null, e);
return 0;
}
if (feature1 == null || feature2 == null) {
return 0;
}
VersionedIdentifier id1 = feature1.getVersionedIdentifier();
VersionedIdentifier id2 = feature2.getVersionedIdentifier();
if (id1 == null || id2 == null) {
return 0;
}
if (id1.getIdentifier() != null && id1.getIdentifier().equals(id2.getIdentifier())) {
PluginVersionIdentifier version1 = id1.getVersion();
PluginVersionIdentifier version2 = id2.getVersion();
if (version1 != null) {
if (version1.isGreaterThan(version2)) {
return 1;
} else {
return 2;
}
} else {
return 2;
}
}
return 0;
}
/*
*
*/
private ConfiguredSite createNewConfigSite(IConfiguredSite oldConfiguredSiteToReconcile) throws CoreException {
// create a copy of the ConfigSite based on old ConfigSite
// this is not a clone, do not copy any features
ConfiguredSite cSiteToReconcile = (ConfiguredSite) oldConfiguredSiteToReconcile;
SiteModel siteModel = cSiteToReconcile.getSiteModel();
int policy = cSiteToReconcile.getConfigurationPolicy().getPolicy();
// copy values of the old ConfigSite that should be preserved except Features
ConfiguredSite newConfigurationSite = (ConfiguredSite) new BaseSiteLocalFactory().createConfigurationSiteModel(siteModel, policy);
newConfigurationSite.setUpdatable(cSiteToReconcile.isUpdatable());
newConfigurationSite.setEnabled(cSiteToReconcile.isEnabled());
newConfigurationSite.setPlatformURLString(cSiteToReconcile.getPlatformURLString());
return newConfigurationSite;
}
/*
*
*/
private IFeatureReference[] getFeatureReferences() {
if (newFoundFeatures == null || newFoundFeatures.size() == 0)
return new IFeatureReference[0];
return (IFeatureReference[]) newFoundFeatures.toArray(arrayTypeFor(newFoundFeatures));
}
/*
*
*/
private boolean saveNewFeatures(IInstallConfiguration installConfig) throws CoreException {
if (getFeatureReferences().length == 0) {
UpdateCore.warn("No new features found");
return false;
}
// recompute list of new features to only keep root features [16496]
IFeatureReference[] refs = getFeatureReferences();
newFoundFeatures = new ArrayList();
for (int i = 0; i < refs.length; i++) {
IFeatureReference[] parents = UpdateManagerUtils.getParentFeatures(refs[i], refs, false);
if (parents.length == 0)
newFoundFeatures.add(refs[i]);
}
if (getFeatureReferences().length == 0) {
UpdateCore.warn("No root feature found when saving new features");
return false;
}
// remove efixes from the delta that patch disabled feature from the installConfig
// bug 71730
removeInvalidEfixes(installConfig);
if (getFeatureReferences().length == 0) {
UpdateCore.warn("No new features found after removing invalid efixes");
return false;
}
date = new Date();
String fileName = UpdateManagerUtils.getLocalRandomIdentifier(DEFAULT_INSTALL_CHANGE_NAME, date);
IPath path = UpdateCore.getPlugin().getStateLocation();
IPath filePath = path.append(fileName);
File file = filePath.toFile();
// persist list of new features
try {
UpdateManagerUtils.Writer writer = UpdateManagerUtils.getWriter(file, "UTF-8");
writer.write(this);
return true;
} catch (UnsupportedEncodingException e) {
throw Utilities.newCoreException(Policy.bind("SiteReconciler.UnableToEncodeConfiguration", file.getAbsolutePath()), e);
//$NON-NLS-1$
} catch (FileNotFoundException e) {
throw Utilities.newCoreException(Policy.bind("SiteReconciler.UnableToSaveStateIn", file.getAbsolutePath()), e);
//$NON-NLS-1$
}
}
/*
* @see IWritable#write(int, PrintWriter)
*/
public void write(int indent, PrintWriter w) {
String gap = ""; //$NON-NLS-1$
for (int i = 0; i < indent; i++)
gap += " "; //$NON-NLS-1$
String increment = ""; //$NON-NLS-1$
for (int i = 0; i < IWritable.INDENT; i++)
increment += " "; //$NON-NLS-1$
// CHANGE tag
w.print(gap + "<" + InstallChangeParser.CHANGE + " ");
//$NON-NLS-1$ //$NON-NLS-2$
long time = (date != null) ? date.getTime() : 0L;
w.println("date=\"" + time + "\" >"); //$NON-NLS-1$ //$NON-NLS-2$
// NEW FEATURE
w.println(gap + increment + "<" + InstallChangeParser.NEW_FEATURE + " >");
// FEATURE REF
IFeatureReference[] references = getFeatureReferences();
String URLFeatureString = null;
if (references != null) {
for (int index = 0; index < references.length; index++) {
IFeatureReference ref = references[index];
if (ref.getURL() != null) {
ISite featureSite = ref.getSite();
URLFeatureString = UpdateManagerUtils.getURLAsString(featureSite.getURL(), ref.getURL());
w.print(gap + increment + increment + "<" + InstallChangeParser.REFERENCE + " ");
//$NON-NLS-1$
w.println("siteURL = \"" + UpdateManagerUtils.Writer.xmlSafe(getURLSiteString(featureSite)) + "\" ");
//$NON-NLS-1$ //$NON-NLS-2$
w.println(gap + increment + increment + increment + "featureURL=\"" + UpdateManagerUtils.Writer.xmlSafe(URLFeatureString) + "\" />");
//$NON-NLS-1$ //$NON-NLS-2$
}
w.println(""); //$NON-NLS-1$
}
}
// END NEW FEATURE
w.println(gap + increment + "</" + InstallChangeParser.NEW_FEATURE + " >");
// end
w.println(gap + "</" + InstallChangeParser.CHANGE + ">");
//$NON-NLS-1$ //$NON-NLS-2$
}
/*
* Returns the Site URL, attempting to replace it by platform: URL if needed
*/
private String getURLSiteString(ISite site) {
// since 2.0.2 ISite.getConfiguredSite();
ConfiguredSite cSite = (ConfiguredSite) site.getCurrentConfiguredSite();
if (cSite != null)
return cSite.getPlatformURLString();
return site.getURL().toExternalForm();
}
/*
* return true if the platformBase URL is not the same
* we thought it is. In this case we should reconcile in an optimistic way
*/
private boolean platformBaseChanged(IConfiguredSite[] oldConfiguredSites) {
if (oldConfiguredSites == null) {
UpdateCore.warn("No previous configured sites. Optimistic reconciliation.");
return true;
}
String platformString = "platform:/base/";
URL platformURL = null;
try {
platformURL = new URL(platformString);
} catch (MalformedURLException e) {
UpdateCore.warn("Unable to resolve platform:/base/. Check you are running a Platform", e);
return true;
}
URL resolvedCurrentBaseURL = null;
try {
resolvedCurrentBaseURL = Platform.resolve(platformURL);
} catch (IOException e) {
UpdateCore.warn("Error while resolving platform:/base/. Check you are running a Platform", e);
return true;
}
// find the 'platform:/base/' configuredSite
int index = 0;
boolean found = false;
ConfiguredSite cSite = null;
while (!found && index < oldConfiguredSites.length) {
if (oldConfiguredSites[index] instanceof ConfiguredSite) {
cSite = (ConfiguredSite) oldConfiguredSites[index];
if (platformString.equalsIgnoreCase(cSite.getPlatformURLString())) {
found = true;
}
}
index++;
}
if (!found) {
UpdateCore.warn("Unable to find an old configured site with platform:/base/ as a platform URL");
return true;
}
if (cSite == null) {
UpdateCore.warn("The configuredSite that contains the platform is null");
return true;
}
if (UpdateManagerUtils.sameURL(resolvedCurrentBaseURL, cSite.getSite().getURL())) {
UpdateCore.warn("Platform URL found are the same:" + resolvedCurrentBaseURL + " : " + cSite.getSite().getURL());
return false;
}
UpdateCore.warn("Platform URL found is different than the one previously saved. Reconcile optimistically:" + resolvedCurrentBaseURL + " : " + cSite.getSite().getURL());
return true;
}
/**
* Validate the list of configured features eliminating extra
* entries (if possible). Make sure we do not leave configured
* nested features with "holes" (ie. unconfigured children)
*/
public static void checkConfiguredFeatures(IConfiguredSite configuredSite) {
// Note: if we hit errors in the various computation
// methods and throw a CoreException, we will not catch it
// in this method. Consequently we will not attempt to
// unconfigure any "extra" features because we would
// likely get it wrong. The platform will run with extra features
// configured. The runtime will eliminate extra plugins based
// on runtime binding rules.
// determine "proposed" list of configured features
ConfiguredSite cSite = (ConfiguredSite) configuredSite;
// debug
if (UpdateCore.DEBUG && UpdateCore.DEBUG_SHOW_RECONCILER) {
UpdateCore.debug("Validate configuration of site " + cSite.getSite().getURL());
}
IFeatureReference[] configuredRefs = cSite.getConfiguredFeatures();
ArrayList allPossibleConfiguredFeatures = new ArrayList();
for (int i = 0; i < configuredRefs.length; i++) {
try {
IFeature feature = configuredRefs[i].getFeature(null);
allPossibleConfiguredFeatures.add(feature);
// debug
if (UpdateCore.DEBUG && UpdateCore.DEBUG_SHOW_RECONCILER) {
UpdateCore.debug(" configured feature " + feature.getVersionedIdentifier().toString());
}
} catch (CoreException e) {
UpdateCore.warn("", e);
}
}
// find top level features
ArrayList topFeatures = computeTopFeatures(allPossibleConfiguredFeatures);
// find non efix top level features
ArrayList topNonEfixFeatures = getNonEfixFeatures(topFeatures);
// expand non efix top level features (compute full nesting structures).
ArrayList configuredFeatures = expandFeatures(topNonEfixFeatures, configuredSite);
// retrieve efixes that patch enable feature
// they must be kept enabled
if (topFeatures.size() != topNonEfixFeatures.size()) {
Map patches = getPatchesAsFeature(allPossibleConfiguredFeatures);
if (!patches.isEmpty()) {
// calculate efixes to enable
List efixesToEnable = getPatchesToEnable(patches, configuredFeatures);
// add efies to keep enable
//add them to the enable list
for (Iterator iter = efixesToEnable.iterator(); iter.hasNext();) {
IFeature element = (IFeature) iter.next();
ArrayList expandedEfix = new ArrayList();
expandEfixFeature(element, expandedEfix, configuredSite);
configuredFeatures.addAll(expandedEfix);
}
}
}
// compute extra features
ArrayList extras = diff(allPossibleConfiguredFeatures, configuredFeatures);
// unconfigure extra features
ConfigurationPolicy cPolicy = cSite.getConfigurationPolicy();
for (int i = 0; i < extras.size(); i++) {
IFeature feature = (IFeature) extras.get(i);
IFeatureReference ref = cSite.getSite().getFeatureReference(feature);
try {
cPolicy.unconfigure(ref, true, false);
// debug
if (UpdateCore.DEBUG && UpdateCore.DEBUG_SHOW_RECONCILER) {
UpdateCore.debug("Unconfiguring \"extra\" feature " + feature.getVersionedIdentifier().toString());
}
} catch (CoreException e) {
UpdateCore.warn("", e);
}
}
}
/*
*
*/
private static ArrayList computeTopFeatures(ArrayList features) {
/* map of Feature by VersionedIdentifier */
Map topFeatures = new HashMap(features.size());
// start with the features passed in
for (Iterator it = features.iterator(); it.hasNext();) {
IFeature f = ((IFeature) it.next());
topFeatures.put(f.getVersionedIdentifier(), f);
}
// remove all features that nest in some other feature
for (Iterator it = features.iterator(); it.hasNext();) {
try {
IIncludedFeatureReference[] children = ((IFeature) it.next()).getIncludedFeatureReferences();
for (int j = 0; j < children.length; j++) {
try {
topFeatures.remove(children[j].getVersionedIdentifier());
} catch (CoreException e1) {
if (UpdateCore.DEBUG && UpdateCore.DEBUG_SHOW_WARNINGS)
UpdateCore.warn("", e1);
}
}
} catch (CoreException e) {
UpdateCore.warn("", e);
}
}
ArrayList list = new ArrayList();
list.addAll(topFeatures.values());
// debug
if (UpdateCore.DEBUG && UpdateCore.DEBUG_SHOW_RECONCILER) {
UpdateCore.debug("Computed top-level features");
for (int i = 0; i < topFeatures.size(); i++) {
UpdateCore.debug(" " + ((IFeature) list.get(i)).getVersionedIdentifier().toString());
}
}
return list;
}
/*
*
*/
private static ArrayList expandFeatures(ArrayList features, IConfiguredSite configuredSite) {
ArrayList result = new ArrayList();
// expand all top level features
for (int i = 0; i < features.size(); i++) {
expandFeature((IFeature) features.get(i), result, configuredSite);
}
return result;
}
/*
*
*/
private static void expandFeature(IFeature feature, ArrayList features, IConfiguredSite configuredSite) {
// add feature
if (!features.contains(feature)) {
features.add(feature);
// debug
if (UpdateCore.DEBUG && UpdateCore.DEBUG_SHOW_RECONCILER) {
UpdateCore.debug("Retaining configured feature " + feature.getVersionedIdentifier().toString());
}
}
// add nested children to the list
IIncludedFeatureReference[] children = null;
try {
children = feature.getIncludedFeatureReferences();
} catch (CoreException e) {
UpdateCore.warn("", e);
return;
}
for (int j = 0; j < children.length; j++) {
IFeature child = null;
try {
child = children[j].getFeature(null);
} catch (CoreException e) {
if (!UpdateManagerUtils.isOptional(children[j]))
UpdateCore.warn("", e);
// 25202 do not return right now, the peer children may be ok
}
if (child != null)
expandFeature(child, features, configuredSite);
}
}
/*
*
*/
private static ArrayList diff(ArrayList left, ArrayList right) {
ArrayList result = new ArrayList();
// determine difference (left "minus" right)
for (int i = 0; i < left.size(); i++) {
IFeature feature = (IFeature) left.get(i);
if (!right.contains(feature))
result.add(feature);
}
return result;
}
/*
* get the list of enabled patches
*/
private static Map getPatchesAsFeature(ArrayList allConfiguredFeatures) {
// get all efixes and the associated patched features
Map patches = new HashMap();
if (allConfiguredFeatures != null) {
Iterator iter = allConfiguredFeatures.iterator();
while (iter.hasNext()) {
List patchedFeaturesID = new ArrayList();
IFeature element = (IFeature) iter.next();
// add the patched feature identifiers
for (int i = 0; i < element.getImports().length; i++) {
if (element.getImports()[i].isPatch()) {
VersionedIdentifier id = element.getImports()[i].getVersionedIdentifier();
if (UpdateCore.DEBUG && UpdateCore.DEBUG_SHOW_RECONCILER)
UpdateCore.debug("Found patch " + element + " for feature identifier " + id);
patchedFeaturesID.add(id);
}
}
if (!patchedFeaturesID.isEmpty()) {
patches.put(element, patchedFeaturesID);
}
}
}
return patches;
}
/*
* retruns the list of pathes-feature who patch enabled features
*/
private static List getPatchesToEnable(Map efixes, ArrayList configuredFeatures) {
ArrayList enabledVersionedIdentifier = new ArrayList();
Iterator iter = configuredFeatures.iterator();
while (iter.hasNext()) {
IFeature element = (IFeature) iter.next();
enabledVersionedIdentifier.add(element.getVersionedIdentifier());
}
// loop through the patches
List result = new ArrayList();
iter = efixes.keySet().iterator();
while (iter.hasNext()) {
boolean toEnable = false;
IFeature efixFeature = (IFeature) iter.next();
List patchedFeatures = (List) efixes.get(efixFeature);
// loop through the 'patched features identifier' the for this patch
// see if it the patch patches at least one enable feature
Iterator patchedFeaturesIter = patchedFeatures.iterator();
while (patchedFeaturesIter.hasNext() && !toEnable) {
VersionedIdentifier patchedFeatureID = (VersionedIdentifier) patchedFeaturesIter.next();
if (enabledVersionedIdentifier.contains(patchedFeatureID)) {
toEnable = true;
}
}
if (!toEnable) {
if (UpdateCore.DEBUG && UpdateCore.DEBUG_SHOW_RECONCILER)
UpdateCore.debug("The Patch " + efixFeature + " does not patch any enabled features: it will be disabled");
} else {
if (UpdateCore.DEBUG && UpdateCore.DEBUG_SHOW_RECONCILER)
UpdateCore.debug("The patch " + efixFeature + " will be enabled.");
result.add(efixFeature);
}
}
return result;
}
/*
* returns the feature that are not patches
*/
private static ArrayList getNonEfixFeatures(ArrayList topFeatures) {
Map efixFeatures = getPatchesAsFeature(topFeatures);
Set keySet = efixFeatures.keySet();
if (keySet == null || keySet.isEmpty())
return topFeatures;
Iterator iter = topFeatures.iterator();
ArrayList result = new ArrayList();
while (iter.hasNext()) {
IFeature element = (IFeature) iter.next();
if (!keySet.contains(element)) {
result.add(element);
}
}
return result;
}
/*
* get the map of enabled patches (as feature reference) or an empty map
*/
private Map getPatchesAsFeatureReference(List listOfFeatureReferences) {
// get all efixes and the associated patched features
Map patches = new HashMap();
if (listOfFeatureReferences != null) {
Iterator iter = listOfFeatureReferences.iterator();
while (iter.hasNext()) {
List patchedFeaturesID = new ArrayList();
IFeatureReference element = (IFeatureReference) iter.next();
// add the patched feature identifiers
try {
IFeature feature = element.getFeature(null);
if (feature != null) {
IImport[] imports = feature.getImports();
for (int i = 0; i < imports.length; i++) {
if (imports[i].isPatch()) {
VersionedIdentifier id = imports[i].getVersionedIdentifier();
if (UpdateCore.DEBUG && UpdateCore.DEBUG_SHOW_RECONCILER)
UpdateCore.debug("Found patch " + element + " for feature identifier " + id);
patchedFeaturesID.add(id);
}
}
}
if (!patchedFeaturesID.isEmpty()) {
patches.put(element, patchedFeaturesID);
}
} catch (CoreException e) {
}
}
}
return patches;
}
/*
* Removes efixes from new found features if they do not patch an enable feature
* either from the found delta or from the file system
*/
private void removeInvalidEfixes(IInstallConfiguration installConfig) {
// disable new found efixes if the feature is not in the list nor enabled features
// on the file system
Map newFoundEfixesAsReference = getPatchesAsFeatureReference(newFoundFeatures);
if (newFoundEfixesAsReference.size() > 0) {
// retrieve all enabled features on all the sites
ArrayList allEnabledFeatures = new ArrayList();
IConfiguredSite[] configSites = installConfig.getConfiguredSites();
for (int i = 0; i < configSites.length; i++) {
IFeatureReference[] references = configSites[i].getConfiguredFeatures();
for (int j = 0; j < references.length; j++) {
try {
allEnabledFeatures.add(references[j].getFeature(null));
} catch (CoreException e) {
}
}
}
// create a List of eFixes Features
List arrayOfNewFoundFeatures = new ArrayList();
for (Iterator iter = newFoundFeatures.iterator(); iter.hasNext();) {
IFeatureReference element = (IFeatureReference) iter.next();
try {
arrayOfNewFoundFeatures.add(element.getFeature(null));
} catch (CoreException e) {
}
}
// retrieve the efixes that patch enable features in delta and enabled features on the
// file system
List patchesForNewFoundFeatures = getFeatureReferencePatchesToEnable(newFoundEfixesAsReference, allEnabledFeatures);
List patchesForEnabledFeatures = getFeatureReferencePatchesToEnable(newFoundEfixesAsReference, arrayOfNewFoundFeatures);
// IMPORTANT: add efixes first so they will be processed first
newFoundFeatures.removeAll(newFoundEfixesAsReference.keySet());
newFoundFeatures.addAll(0,patchesForEnabledFeatures);
newFoundFeatures.addAll(0,patchesForNewFoundFeatures);
}
}
/*
* retruns the list of pathes-featureReference who patch enabled features
*/
private List getFeatureReferencePatchesToEnable(Map efixes, List configuredFeatures) {
ArrayList enabledVersionedIdentifier = new ArrayList();
Iterator iter = configuredFeatures.iterator();
while (iter.hasNext()) {
IFeature element = (IFeature) iter.next();
enabledVersionedIdentifier.add(element.getVersionedIdentifier());
}
// loop through the patches
List result = new ArrayList();
iter = efixes.keySet().iterator();
while (iter.hasNext()) {
boolean toEnable = false;
IFeatureReference efixFeatureReference = (IFeatureReference) iter.next();
List patchedFeatures = (List) efixes.get(efixFeatureReference);
// loop through the 'patched features identifier' the for this patch
// see if it the patch patches at least one enable feature
Iterator patchedFeaturesIter = patchedFeatures.iterator();
while (patchedFeaturesIter.hasNext() && !toEnable) {
VersionedIdentifier patchedFeatureID = (VersionedIdentifier) patchedFeaturesIter.next();
if (enabledVersionedIdentifier.contains(patchedFeatureID)) {
toEnable = true;
}
}
if (!toEnable) {
if (UpdateCore.DEBUG && UpdateCore.DEBUG_SHOW_RECONCILER)
UpdateCore.debug("The Patch " + efixFeatureReference + " does not patch any enabled features: it will be disabled");
} else {
if (UpdateCore.DEBUG && UpdateCore.DEBUG_SHOW_RECONCILER)
UpdateCore.debug("The patch " + efixFeatureReference + " will be enabled.");
result.add(efixFeatureReference);
}
}
return result;
}
/*
* only enable non-efix children recursively
*/
private static void expandEfixFeature(IFeature feature, ArrayList features, IConfiguredSite configuredSite) {
// add feature
if (!features.contains(feature)) {
features.add(feature);
// debug
if (UpdateCore.DEBUG && UpdateCore.DEBUG_SHOW_RECONCILER) {
UpdateCore.debug("Retaining configured feature " + feature.getVersionedIdentifier().toString());
}
}
// add nested children to the list
IIncludedFeatureReference[] children = null;
try {
children = feature.getIncludedFeatureReferences();
} catch (CoreException e) {
UpdateCore.warn("", e);
return;
}
for (int j = 0; j < children.length; j++) {
IFeature child = null;
try {
child = children[j].getFeature(null);
} catch (CoreException e) {
if (!children[j].isOptional())
UpdateCore.warn("", e);
// 25202 do not return right now, the peer children may be ok
}
if (child != null){
if (!UpdateCore.isPatch(child))
expandEfixFeature(child, features, configuredSite);
}
}
}
}