private static ElementDescription findElement()

in remoting/ide/usages/src/org/netbeans/modules/jackpot30/ide/usages/RemoteUsages.java [153:211]
49 lines of code
11 McCabe index (conditional complexity)

    private static ElementDescription findElement(final FileObject file, final int pos) {
        final ElementDescription[] handle = new ElementDescription[1];

        if ("text/x-java".equals(FileUtil.getMIMEType(file, "text/x-java"))) {
            final JavaSource js = JavaSource.forFileObject(file);

            ScanDialog.runWhenScanFinished(new Runnable() {
                @Override public void run() {
                    try {
                        js.runUserActionTask(new Task<CompilationController>() {
                            @Override public void run(CompilationController parameter) throws Exception {
                                parameter.toPhase(JavaSource.Phase.RESOLVED);

                                TreePath tp = parameter.getTreeUtilities().pathFor(pos);
                                Element el = parameter.getTrees().getElement(tp);

                                if (el != null && JavaUtils.SUPPORTED_KINDS.contains(el.getKind())) {
                                    handle[0] = new ElementDescription(parameter, el);
                                }
                            }
                        }, true);
                    } catch (IOException ex) {
                        Exceptions.printStackTrace(ex);
                    }
                }

            }, "Find Remote Usages");

            return handle[0];
        } else {
            RemoteSourceDescription rsd = org.netbeans.modules.jackpot30.remoting.api.Utilities.remoteSource(file);

            if (rsd != null) {
                try {
                    URI sourceURI = new URI(rsd.idx.remote.toExternalForm() + "/ui/target?path=" + WebUtilities.escapeForQuery(rsd.idx.remoteSegment) + "&relative=" + WebUtilities.escapeForQuery(rsd.relative) + "&position=" + pos);
                    Map<Object, Object> targetData = Pojson.load(HashMap.class, sourceURI.toURL().openStream());

                    String signature = (String) targetData.get("signature");

                    if (signature != null) {
                        List<String> baseMethodsSpec = (List<String>) targetData.get("superMethods");
                        baseMethodsSpec = baseMethodsSpec != null ? baseMethodsSpec : Collections.<String>emptyList();
                        List<ElementHandle<?>> baseMethods = new ArrayList<ElementHandle<?>>(baseMethodsSpec.size());
                        for (String spec : baseMethodsSpec) {
                            baseMethods.add(signature2Handle(spec));
                        }
                        return new ElementDescription(signature2Handle(signature),
                                                      baseMethods);
                    }
                } catch (URISyntaxException ex) {
                    Exceptions.printStackTrace(ex);
                } catch (IOException ex) {
                    Exceptions.printStackTrace(ex);
                }
            }

            return null;
        }
    }