+++ /dev/null
-/*
- * Copyright (c) 2014 Cisco Systems, Inc. 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
- */
-package org.opendaylight.controller.configpusherfeature.internal;
-
-import com.google.common.base.Optional;
-import com.google.common.base.Preconditions;
-import java.util.LinkedHashSet;
-import java.util.List;
-import java.util.Set;
-import org.apache.felix.utils.version.VersionRange;
-import org.apache.felix.utils.version.VersionTable;
-import org.apache.karaf.features.Dependency;
-import org.apache.karaf.features.Feature;
-import org.apache.karaf.features.FeaturesService;
-import org.osgi.framework.Version;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-/*
- * Wrap a Feature for the purposes of extracting the FeatureConfigSnapshotHolders from
- * its underlying ConfigFileInfo's and those of its children recursively
- *
- * Delegates the the contained feature and provides additional methods.
- */
-public class ChildAwareFeatureWrapper extends AbstractFeatureWrapper implements Feature {
- private static final Logger LOG = LoggerFactory.getLogger(ChildAwareFeatureWrapper.class);
- private FeaturesService featuresService= null;
-
- protected ChildAwareFeatureWrapper(final Feature f) {
- // Don't use without a feature service
- }
-
- /*
- * @param f Feature to wrap
- * @param s FeaturesService to look up dependencies
- */
- ChildAwareFeatureWrapper(final Feature f, final FeaturesService s) throws Exception {
- super(s.getFeature(f.getName(), f.getVersion()));
- Preconditions.checkNotNull(s, "FeatureWrapper requires non-null FeatureService in constructor");
- this.featuresService = s;
- }
-
- protected FeaturesService getFeaturesService() {
- return featuresService;
- }
-
- /*
- * Get FeatureConfigSnapshotHolders appropriate to feed to the config subsystem
- * from the underlying Feature Config files and those of its children recursively
- */
- public Set<? extends ChildAwareFeatureWrapper> getChildFeatures() throws Exception {
- List<Dependency> dependencies = feature.getDependencies();
- Set<ChildAwareFeatureWrapper> childFeatures = new LinkedHashSet<>();
- if(dependencies != null) {
- for(Dependency dependency: dependencies) {
- Feature fi = extractFeatureFromDependency(dependency);
- if (fi != null) {
- if (featuresService.getFeature(fi.getName(), fi.getVersion()) == null) {
- LOG.warn("Feature: {}, {} is missing from features service. Skipping", fi.getName(), fi.getVersion());
- } else {
- ChildAwareFeatureWrapper wrappedFeature = new ChildAwareFeatureWrapper(fi, featuresService);
- childFeatures.add(wrappedFeature);
- }
- }
- }
- }
- return childFeatures;
- }
-
- @Override
- public Set<FeatureConfigSnapshotHolder> getFeatureConfigSnapshotHolders() throws Exception {
- Set<FeatureConfigSnapshotHolder> snapShotHolders = new LinkedHashSet<>();
- for(ChildAwareFeatureWrapper c: getChildFeatures()) {
- for(FeatureConfigSnapshotHolder h: c.getFeatureConfigSnapshotHolders()) {
- final Optional<FeatureConfigSnapshotHolder> featureConfigSnapshotHolder = getFeatureConfigSnapshotHolder(h.getFileInfo());
- if(featureConfigSnapshotHolder.isPresent()) {
- snapShotHolders.add(featureConfigSnapshotHolder.get());
- }
- }
- }
- snapShotHolders.addAll(super.getFeatureConfigSnapshotHolders());
- return snapShotHolders;
- }
-
- protected Feature extractFeatureFromDependency(final Dependency dependency) throws Exception {
- Feature[] features = featuresService.listFeatures();
- VersionRange range = org.apache.karaf.features.internal.model.Feature.DEFAULT_VERSION.equals(dependency.getVersion())
- ? VersionRange.ANY_VERSION : new VersionRange(dependency.getVersion(), true, true);
- Feature fi = null;
- for(Feature f: features) {
- if (f.getName().equals(dependency.getName())) {
- Version v = VersionTable.getVersion(f.getVersion());
- if (range.contains(v) &&
- (fi == null || VersionTable.getVersion(fi.getVersion()).compareTo(v) < 0)) {
- fi = f;
- break;
- }
- }
- }
- return fi;
- }
-
-}