public List findSourceReferences()

in src/main/java/org/apache/sling/tooling/support/source/impl/FelixJettySourceReferenceFinder.java [45:72]

25 lines of code
6 McCabe index (conditional complexity)


    public List<SourceReference> findSourceReferences(Bundle bundle) throws SourceReferenceException {
        // the org.apache.felix.http.jetty bundle does not retain references to the source bundles
        // so infer them from the X-Jetty-Version header
        if (!"org.apache.felix.http.jetty".equals(bundle.getSymbolicName())) {
            return Collections.emptyList();
        }
            
        final Object jettyVersion = bundle.getHeaders().get("X-Jetty-Version");
        if ( !(jettyVersion instanceof String) ) {
            log.warn("Could not retrieve Jetty version from bundle '{}' because header 'X-Jetty-Version' is not set!", bundle);
            return Collections.emptyList();
        }
        Enumeration<URL> entries = bundle.findEntries("META-INF/maven", "pom.xml", true);
        if (entries != null && entries.hasMoreElements()) {
            URL entry = entries.nextElement();
            try (InputStream pom = entry.openStream()) {
                SAXParser parser = parserFactory.newSAXParser();
                PomHandler handler = new PomHandler((String) jettyVersion);
                parser.parse(new InputSource(pom), handler);
                return handler.getReferences();
            } catch (SAXException|ParserConfigurationException|IOException e) {
                throw new SourceReferenceException(e);
            }
        } else {
            log.warn("Could not find a pom.xml in bundle '{}'!", bundle);
            return Collections.emptyList();
        }
    }