/** @see org.apache.maven.plugin.Mojo#execute() */
@Override
public void execute() throws MojoExecutionException, MojoFailureException {
getLog().info("-------------------------------------------------"); // $NON-NLS-1$
getLog().info("Generating Karaf compatible features.xml file to:"); // $NON-NLS-1$
getLog().info(" " + outputFile); // $NON-NLS-1$
getLog().info("-------------------------------------------------"); // $NON-NLS-1$
try {
FeaturesXml featuresXml = new FeaturesXml();
generate(featuresXml);
File file = new File(outputFile);
file.getParentFile().mkdirs();
featuresXml.writeTo(file);
if ("true".equals(attach)) { // $NON-NLS-1$
attachToBuild(file);
}
} catch (Exception e) {
throw new MojoExecutionException(e.getMessage(), e);
}
}
/** @param featuresXml */
private void generate(FeaturesXml featuresXml) throws Exception {
// Add the repositories
if (this.repositories != null) {
for (String repo : repositories) {
featuresXml.addRepository(repo);
}
}
// Collect all dependencies (bundle candidates)
ScopeArtifactFilter filter = new ScopeArtifactFilter(DefaultArtifact.SCOPE_RUNTIME);
DependencyNode dependencyGraph = dependencyGraphBuilder.buildDependencyGraph(project, filter);
CollectingDependencyNodeVisitor collectingVizzy = new CollectingDependencyNodeVisitor();
dependencyGraph.accept(collectingVizzy);
List<DependencyNode> nodes = collectingVizzy.getNodes();
// Iterate all features
for (Feature feature : features) {
getLog().info("Generating feature '" + feature.getName() + "'"); // $NON-NLS-1$ //$NON-NLS-2$
// Create the feature
featuresXml.addFeature(feature.getName(), feature.getVersion(), feature.getComment());
// Add any feature dependencies
List<Feature> onFeatures = feature.getDependsOnFeatures();
if (onFeatures != null && !onFeatures.isEmpty()) {
for (Feature onFeature : onFeatures) {
getLog()
.info(
" Depends on feature: "
+ onFeature.getName()
+ "/"
+ onFeature.getVersion()); // $NON-NLS-1$ //$NON-NLS-2$
featuresXml.addFeatureDependency(
feature.getName(), feature.getVersion(), onFeature.getName(), onFeature.getVersion());
}
}
// Add any included or non-excluded bundles (from artifact
// dependency graph)
PatternIncludesArtifactFilter includesFilter =
new PatternIncludesArtifactFilter(feature.getIncludes());
PatternExcludesArtifactFilter excludesFilter =
new PatternExcludesArtifactFilter(feature.getExcludes());
String startLevel = feature.getStartLevel();
for (DependencyNode dependencyNode : nodes) {
if (isSelf(dependencyNode)) continue;
Artifact artifact = dependencyNode.getArtifact();
// If no includes, assume everything
boolean includeBundle = feature.getIncludes() == null || feature.getIncludes().isEmpty();
if (includeBundle) {
getLog()
.debug(
" Artifact "
+ artifact
+ " matches default [all] filter (including)."); //$NON-NLS-1$ //$NON-NLS-2$
}
if (includesFilter.include(artifact)) {
getLog()
.debug(
" Artifact "
+ artifact
+ " matched include filter (including)."); //$NON-NLS-1$ //$NON-NLS-2$
includeBundle = true;
}
// Excludes must be explicit.
if (!excludesFilter.include(artifact)) {
getLog()
.debug(
" Artifact "
+ artifact
+ " matched exclude filter (excluding)."); //$NON-NLS-1$ //$NON-NLS-2$
includeBundle = false;
}
if (includeBundle) {
featuresXml.addBundle(
feature.getName(),
feature.getVersion(),
formatArtifactAsBundle(artifact),
startLevel);
}
}
// Add additional explicit bundles specified in the config
List<String> bundles = feature.getBundles();
if (bundles != null && !bundles.isEmpty()) {
for (String bundle : bundles) {
getLog().debug(" Adding explicit bundle: " + bundle); // $NON-NLS-1$
featuresXml.addBundle(feature.getName(), feature.getVersion(), bundle, startLevel);
}
}
// Add config files if any are specified in the pom
List<ConfigFile> configFiles = feature.getConfigFiles();
if (configFiles != null && !configFiles.isEmpty()) {
for (ConfigFile configFile : configFiles) {
getLog().debug(" Adding config file: " + configFile.getValue()); // $NON-NLS-1$
featuresXml.addConfigFile(
feature.getName(),
feature.getVersion(),
configFile.getFinalName(),
configFile.getValue());
}
}
}
}