Example usage for java.util.concurrent.atomic AtomicReference wait

Introduction

In this page you can find the example usage for java.util.concurrent.atomic AtomicReference wait.

Prototype

public final void wait() throws InterruptedException 

Source Link

Document

Causes the current thread to wait until it is awakened, typically by being notified or interrupted.

Usage

From source file:com.heliosdecompiler.helios.tasks.DecompileAndSaveTask.java

@Override
public void run() {
    File file = FileChooserUtil.chooseSaveLocation(Settings.LAST_DIRECTORY.get().asString(),
            Collections.singletonList("zip"));
    if (file == null)
        return;/*from w ww.j  a v  a2 s  . c om*/
    if (file.exists()) {
        boolean delete = SWTUtil.promptForYesNo(Constants.REPO_NAME + " - Overwrite existing file",
                "The selected file already exists. Overwrite?");
        if (!delete) {
            return;
        }
    }

    AtomicReference<Transformer> transformer = new AtomicReference<>();

    Display display = Display.getDefault();
    display.asyncExec(() -> {
        Shell shell = new Shell(Display.getDefault());
        FillLayout layout = new FillLayout();
        layout.type = SWT.VERTICAL;
        shell.setLayout(layout);
        Transformer.getAllTransformers(t -> {
            return t instanceof Decompiler || t instanceof Disassembler;
        }).forEach(t -> {
            Button button = new Button(shell, SWT.RADIO);
            button.setText(t.getName());
            button.addSelectionListener(new SelectionAdapter() {
                @Override
                public void widgetSelected(SelectionEvent e) {
                    transformer.set(t);
                }
            });
        });
        Button ok = new Button(shell, SWT.NONE);
        ok.setText("OK");
        ok.addSelectionListener(new SelectionAdapter() {
            @Override
            public void widgetSelected(SelectionEvent e) {
                shell.close();
                shell.dispose();
                synchronized (transformer) {
                    transformer.notify();
                }
            }
        });
        shell.pack();
        SWTUtil.center(shell);
        shell.open();
    });

    synchronized (transformer) {
        try {
            transformer.wait();
        } catch (InterruptedException e) {
            ExceptionHandler.handle(e);
        }
    }

    FileOutputStream fileOutputStream = null;
    ZipOutputStream zipOutputStream = null;

    try {
        file.createNewFile();
        fileOutputStream = new FileOutputStream(file);
        zipOutputStream = new ZipOutputStream(fileOutputStream);
        Set<String> written = new HashSet<>();
        for (Pair<String, String> pair : data) {
            LoadedFile loadedFile = Helios.getLoadedFile(pair.getValue0());
            if (loadedFile != null) {
                String innerName = pair.getValue1();
                byte[] bytes = loadedFile.getAllData().get(innerName);
                if (bytes != null) {
                    if (loadedFile.getClassNode(pair.getValue1()) != null) {
                        StringBuilder buffer = new StringBuilder();
                        transformer.get().transform(loadedFile.getClassNode(pair.getValue1()), bytes, buffer);
                        String name = innerName.substring(0, innerName.length() - 6) + ".java";
                        if (written.add(name)) {
                            zipOutputStream.putNextEntry(new ZipEntry(name));
                            zipOutputStream.write(buffer.toString().getBytes(StandardCharsets.UTF_8));
                            zipOutputStream.closeEntry();
                        } else {
                            SWTUtil.showMessage("Duplicate entry occured: " + name);
                        }
                    } else {
                        if (written.add(pair.getValue1())) {
                            zipOutputStream.putNextEntry(new ZipEntry(pair.getValue1()));
                            zipOutputStream.write(loadedFile.getAllData().get(pair.getValue1()));
                            zipOutputStream.closeEntry();
                        } else {
                            SWTUtil.showMessage("Duplicate entry occured: " + pair.getValue1());
                        }
                    }
                }
            }
        }
    } catch (Exception e) {
        ExceptionHandler.handle(e);
    } finally {
        IOUtils.closeQuietly(zipOutputStream);
        IOUtils.closeQuietly(fileOutputStream);
    }
}

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From source file:org.alfresco.repo.imap.AlfrescoImapServer.java

public void checkForOpeningExceptions(AtomicReference<Exception> serverOpeningExceptionRef) {
    synchronized (serverOpeningExceptionRef) {
        try {//from   w  w w. j  a va2 s.  c om
            //wait for openServerSocket() method to finish 
            serverOpeningExceptionRef.wait();
            if (serverOpeningExceptionRef.get() != null) {
                throw new RuntimeException(serverOpeningExceptionRef.get());
            }
        } catch (InterruptedException e) {
            if (logger.isDebugEnabled()) {
                logger.debug(e.getMessage(), e);
            }
        }
    }
}

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