private static IndexQuery createOrUpdateIndex()

in language/ide/indexing/src/org/netbeans/modules/jackpot30/indexing/batch/EnhancedScopes.java [199:263]
52 lines of code
10 McCabe index (conditional complexity)

    private static IndexQuery createOrUpdateIndex(final FileObject src, File indexRoot, boolean update, ProgressHandleWrapper progress, boolean recursive) throws IOException {
        final JavaIndexerPlugin index = new Indexer.FactoryImpl().create(src.toURL(), FileUtil.toFileObject(indexRoot));

        File timeStampsFile = new File(indexRoot, "timestamps.properties");
        Properties timeStamps = new Properties();

        if (timeStampsFile.exists()) {
            if (!update) {
                progress.startNextPart(1);
                return IndexQuery.open(src.toURL());
            }

            InputStream in = null;

            try {
                in = new BufferedInputStream(new FileInputStream(timeStampsFile));
                timeStamps.load(in);
            } catch (IOException ex) {
                Exceptions.printStackTrace(ex);
            } finally {
                try {
                    if (in != null)
                        in.close();
                } catch (IOException ex) {
                    Exceptions.printStackTrace(ex);
                }
            }
        }

        Collection<FileObject> collected = new LinkedList<FileObject>();
        Set<String> removed = new HashSet<String>(timeStamps.stringPropertyNames());

        org.netbeans.modules.java.hints.spiimpl.batch.BatchUtilities.recursive(src, src, collected, progress, 0, timeStamps, removed, recursive);

        for (String r : removed) {
            index.delete(SPIAccessor.getInstance().create(new FakeIndexableImpl(r)));
        }
        
        JavaSource js = JavaSource.create(ClasspathInfo.create(ClassPath.EMPTY, ClassPath.EMPTY, ClassPath.EMPTY), collected);
        
        js.runUserActionTask(new Task<CompilationController>() {
            @Override public void run(CompilationController parameter) throws Exception {
                if (parameter.toPhase(JavaSource.Phase.PARSED).compareTo(JavaSource.Phase.PARSED) < 0) return;
                
                index.process(parameter.getCompilationUnit(), SPIAccessor.getInstance().create(new FileObjectIndexable(src, parameter.getFileObject())), null);
            }
        }, true);
        
        OutputStream out = null;

        try {
            out = new BufferedOutputStream(new FileOutputStream(timeStampsFile));
            timeStamps.store(out, null);
        } finally {
            try {
                if (out != null) {
                    out.close();
                }
            } catch (IOException ex) {
                Exceptions.printStackTrace(ex);
            }
        }

        return IndexQuery.open(src.toURL());
    }