public Response index()

in remoting/server/web/nbindex.web.api/src/org/netbeans/modules/jackpot30/backend/usages/api/DownloadableIndex.java [74:135]
44 lines of code
13 McCabe index (conditional complexity)

    public Response index(@QueryParam("path") String segment) throws IOException, InterruptedException {
        CategoryStorage category = CategoryStorage.forId(segment);
        final FileObject idxRoot = category.getCacheRoot();

        if (idxRoot == null || !idxRoot.canRead()) return Response.status(Response.Status.NOT_FOUND).build();

        long totalSize = 0;

        for (String rel : PARTS_TO_COPY) {
            FileObject relFO = idxRoot.getFileObject(rel);

            if (relFO == null) continue;

            Iterable<? extends FileObject> children;

            if (relFO.isFolder()) children = NbCollections.iterable(relFO.getChildren(true));
            else children = Collections.singletonList(relFO);

            for (FileObject c : children) {
                if (c.isFolder()) continue;

                totalSize += c.getSize();
            }
        }

        return Response.ok().header("NB-Total-Unpacked-Size", String.valueOf(totalSize)).entity(new StreamingOutput() {
            @Override public void write(OutputStream output) throws IOException, WebApplicationException {
                JarOutputStream out = new JarOutputStream(output);

                try {
                    for (String rel : PARTS_TO_COPY) {
                        FileObject relFO = idxRoot.getFileObject(rel);

                        if (relFO == null) continue;

                        Iterable<? extends FileObject> children;

                        if (relFO.isFolder()) children = NbCollections.iterable(relFO.getChildren(true));
                        else children = Collections.singletonList(relFO);

                        for (FileObject c : children) {
                            if (c.isFolder()) continue;

                            out.putNextEntry(new ZipEntry(FileUtil.getRelativePath(idxRoot, c)));

                            InputStream in = c.getInputStream();

                            try {
                                FileUtil.copy(in, out);
                            } finally {
                                in.close();
                            }

                            out.closeEntry();
                        }
                    }
                } finally {
                    out.close();
                }
            }
        } ).build();
    }