private String generateExtensions()

in nbm-maven-plugin/src/main/java/org/apache/netbeans/nbm/CreateWebstartAppMojo.java [609:649]
33 lines of code
9 McCabe index (conditional complexity)

    private String generateExtensions(FileSet files, Project antProject, String masterPrefix)
            throws IOException {
        StringBuilder buff = new StringBuilder();
        for (String nm : files.getDirectoryScanner(antProject).getIncludedFiles()) {
            File jar = new File(files.getDir(antProject), nm);

            if (!jar.canRead()) {
                throw new IOException("Cannot read file: " + jar);
            }

            JarFile theJar = new JarFile(jar);
            Attributes attr = theJar.getManifest().getMainAttributes();
            String codenamebase = attr.getValue("OpenIDE-Module");
            if (codenamebase == null) {
                codenamebase = attr.getValue("Bundle-SymbolicName");
            }
            if (codenamebase == null) {
                throw new IOException("Not a NetBeans Module: " + jar);
            }

            // see http://hg.netbeans.org/main-silver/rev/87823abb86d9
            if (codenamebase.equals("org.objectweb.asm.all")
                    && jar.getParentFile().getName().equals("core")
                    && jar.getParentFile().getParentFile().getName().startsWith("platform")) {
                continue;
            }

            int slash = codenamebase.indexOf('/');
            if (slash >= 0) {
                codenamebase = codenamebase.substring(0, slash);
            }

            String dashcnb = codenamebase.replace('.', '-');

            buff.append("    <extension name='").append(codenamebase).append("' href='").append(masterPrefix).
                    append(dashcnb).append(".jnlp' />\n");
            theJar.close();
        }
        return buff.toString();

    }