Fix checkstyle issues to enforce it
[controller.git] / opendaylight / config / config-persister-feature-adapter / src / main / java / org / opendaylight / controller / configpusherfeature / internal / ChildAwareFeatureWrapper.java
index 2bff906..9129500 100644 (file)
@@ -7,10 +7,12 @@
  */
 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 javax.xml.bind.JAXBException;
+import java.util.Set;
 
 import org.apache.felix.utils.version.VersionRange;
 import org.apache.felix.utils.version.VersionTable;
@@ -21,8 +23,6 @@ import org.osgi.framework.Version;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
-import com.google.common.base.Preconditions;
-
 /*
  * Wrap a Feature for the purposes of extracting the FeatureConfigSnapshotHolders from
  * its underlying ConfigFileInfo's and those of its children recursively
@@ -30,21 +30,22 @@ import com.google.common.base.Preconditions;
  * Delegates the the contained feature and provides additional methods.
  */
 public class ChildAwareFeatureWrapper extends AbstractFeatureWrapper implements Feature {
-    private static final Logger LOGGER = LoggerFactory.getLogger(ChildAwareFeatureWrapper.class);
-    private FeaturesService featuresService= null;
+    private static final Logger LOG = LoggerFactory.getLogger(ChildAwareFeatureWrapper.class);
+    private FeaturesService featuresService = null;
 
-    protected ChildAwareFeatureWrapper(Feature f) {
+    protected ChildAwareFeatureWrapper(final Feature feature) {
         // Don't use without a feature service
     }
 
-    /*
-     * @param f Feature to wrap
-     * @param s FeaturesService to look up dependencies
+    /* Constructor.
+
+     * @param feature Feature to wrap
+     * @param featuresService FeaturesService to look up dependencies
      */
-    ChildAwareFeatureWrapper(Feature f, FeaturesService s) throws Exception {
-        super(s.getFeature(f.getName(), f.getVersion()));
-        Preconditions.checkNotNull(s, "FeatureWrapper requires non-null FeatureService in constructor");
-        this.featuresService = s;
+    ChildAwareFeatureWrapper(final Feature feature, final FeaturesService featuresService) throws Exception {
+        super(featuresService.getFeature(feature.getName(), feature.getVersion()));
+        Preconditions.checkNotNull(featuresService, "FeatureWrapper requires non-null FeatureService in constructor");
+        this.featuresService = featuresService;
     }
 
     protected FeaturesService getFeaturesService() {
@@ -55,31 +56,35 @@ public class ChildAwareFeatureWrapper extends AbstractFeatureWrapper implements
      * Get FeatureConfigSnapshotHolders appropriate to feed to the config subsystem
      * from the underlying Feature Config files and those of its children recursively
      */
-    public LinkedHashSet <? extends ChildAwareFeatureWrapper> getChildFeatures() throws Exception {
+    public Set<? extends ChildAwareFeatureWrapper> getChildFeatures() throws Exception {
         List<Dependency> dependencies = feature.getDependencies();
-        LinkedHashSet <ChildAwareFeatureWrapper> childFeatures = new LinkedHashSet<ChildAwareFeatureWrapper>();
-        if(dependencies != null) {
-            for(Dependency dependency: dependencies) {
+        Set<ChildAwareFeatureWrapper> childFeatures = new LinkedHashSet<>();
+        if (dependencies != null) {
+            for (Dependency dependency : dependencies) {
                 Feature fi = extractFeatureFromDependency(dependency);
-                if(fi != null){
-                    ChildAwareFeatureWrapper wrappedFeature = new ChildAwareFeatureWrapper(fi,featuresService);
-                    childFeatures.add(wrappedFeature);
+                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;
     }
 
-    public LinkedHashSet<FeatureConfigSnapshotHolder> getFeatureConfigSnapshotHolders() throws Exception {
-        LinkedHashSet <FeatureConfigSnapshotHolder> snapShotHolders = new LinkedHashSet<FeatureConfigSnapshotHolder>();
-        for(ChildAwareFeatureWrapper c: getChildFeatures()) {
-            for(FeatureConfigSnapshotHolder h: c.getFeatureConfigSnapshotHolders()) {
-                FeatureConfigSnapshotHolder f;
-                try {
-                    f = new FeatureConfigSnapshotHolder(h,this);
-                    snapShotHolders.add(f);
-                } catch (JAXBException e) {
-                    LOGGER.debug("{} is not a config subsystem config file",h.getFileInfo().getFinalname());
+    @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());
                 }
             }
         }
@@ -87,22 +92,21 @@ public class ChildAwareFeatureWrapper extends AbstractFeatureWrapper implements
         return snapShotHolders;
     }
 
-    protected Feature extractFeatureFromDependency(Dependency dependency) throws Exception {
+    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);
+        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) {
+        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;
+                Version version = VersionTable.getVersion(f.getVersion());
+                if (range.contains(version) && (fi == null || VersionTable.getVersion(fi.getVersion())
+                        .compareTo(version) < 0)) {
+                    fi = f;
+                    break;
                 }
             }
         }
         return fi;
     }
-
 }

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