Examples with Task org.apache.pivot.util.concurrent.Task used on opensource projects

Example 6 with Task

use of org.apache.pivot.util.concurrent.Task in project pivot by apache.

the class WebQueries method startup.

@Override
public void startup(Display display, Map<String, String> properties) throws Exception {
    BXMLSerializer bxmlSerializer = new BXMLSerializer();
    window = (Window) bxmlSerializer.readObject(WebQueries.class, "web_queries.bxml");
    listView = (ListView) bxmlSerializer.getNamespace().get("listView");
    loadingLabel = (Label) bxmlSerializer.getNamespace().get("loadingLabel");
    // Execute the query:
    // http://pipes.yahoo.com/pipes/pipe.run?_id=43115761f2da5af5341ae2e56a93d646&_render=json
    GetQuery getQuery = new GetQuery("pipes.yahoo.com", "/pipes/pipe.run");
    getQuery.getParameters().put("_id", "43115761f2da5af5341ae2e56a93d646");
    getQuery.getParameters().put("_render", "json");
    getQuery.execute(new TaskAdapter<>(new TaskListener<Object>() {

        @Override
        public void taskExecuted(Task<Object> task) {
            List<?> items = (List<?>) JSON.get(task.getResult(), "value.items");
            if (items.getLength() > 0) {
                listView.setListData(items);
                loadingLabel.setVisible(false);
            } else {
                loadingLabel.setText("No results.");
            }
        }

        @Override
        public void executeFailed(Task<Object> task) {
            loadingLabel.setText(task.getFault().getMessage());
        }
    }));
    window.open(display);
}

Example 7 with Task

use of org.apache.pivot.util.concurrent.Task in project pivot by apache.

the class StockTrackerWindow method refreshTable.

private void refreshTable() {
    // Abort any outstanding query
    if (getQuery != null) {
        synchronized (getQuery) {
            if (getQuery.isPending()) {
                getQuery.abort();
            }
        }
    }
    // Execute the query
    if (symbols.getLength() > 0) {
        getQuery = new GetQuery(SERVICE_HOSTNAME, SERVICE_PATH);
        StringBuilder symbolsParameterBuilder = new StringBuilder();
        for (int i = 0, n = symbols.getLength(); i < n; i++) {
            if (i > 0) {
                symbolsParameterBuilder.append(",");
            }
            symbolsParameterBuilder.append(symbols.get(i));
        }
        // Format:
        // s - symbol
        // n - company name
        // l1 - most recent value
        // o - opening value
        // h - high value
        // g - low value
        // c1 - change percentage
        // v - volume
        String symbolsParameter = symbolsParameterBuilder.toString();
        getQuery.getParameters().put("s", symbolsParameter);
        getQuery.getParameters().put("f", "snl1ohgc1v");
        CSVSerializer quoteSerializer = new CSVSerializer(StockQuote.class);
        quoteSerializer.setKeys("symbol", "companyName", "value", "openingValue", "highValue", "lowValue", "change", "volume");
        getQuery.setSerializer(quoteSerializer);
        getQuery.execute(new TaskAdapter<>(new TaskListener<Object>() {

            @Override
            public void taskExecuted(Task<Object> task) {
                if (task == getQuery) {
                    @SuppressWarnings("unchecked") List<Object> quotes = (List<Object>) task.getResult();
                    // Preserve any existing sort and selection
                    Sequence<?> selectedStocks = stocksTableView.getSelectedRows();
                    @SuppressWarnings("unchecked") List<Object> tableData = (List<Object>) stocksTableView.getTableData();
                    Comparator<Object> comparator = tableData.getComparator();
                    quotes.setComparator(comparator);
                    stocksTableView.setTableData(quotes);
                    if (selectedStocks.getLength() > 0) {
                        // Select current indexes of selected stocks
                        for (int i = 0, n = selectedStocks.getLength(); i < n; i++) {
                            Object selectedStock = selectedStocks.get(i);
                            int index = 0;
                            for (Object stock : stocksTableView.getTableData()) {
                                String symbol = JSON.get(stock, "symbol");
                                String selectedSymbol = JSON.get(selectedStock, "symbol");
                                if (symbol.equals(selectedSymbol)) {
                                    stocksTableView.addSelectedIndex(index);
                                    break;
                                }
                                index++;
                            }
                        }
                    } else {
                        if (quotes.getLength() > 0) {
                            stocksTableView.setSelectedIndex(0);
                        }
                    }
                    refreshDetail();
                    DateFormat dateFormat = DateFormat.getDateTimeInstance(DateFormat.LONG, DateFormat.MEDIUM, Locale.getDefault());
                    lastUpdateLabel.setText(dateFormat.format(new Date()));
                    getQuery = null;
                }
            }

            @Override
            public void executeFailed(Task<Object> task) {
                if (task == getQuery) {
                    System.err.println(task.getFault());
                    getQuery = null;
                }
            }
        }));
    }
}

Example 8 with Task

use of org.apache.pivot.util.concurrent.Task in project pivot by apache.

the class SplashScreenTest method startup.

@Override
public void startup(final Display display, final Map<String, String> properties) throws Exception {
    File splashFile = new File("org/apache/pivot/tests/splash.png");
    System.out.println("Startup the application at " + new Date());
    System.out.println("To show the Splash Screen, remember to run as a Standard Java Application this way:\n" + "java -splash:" + splashFile.getPath() + " <mainclassname> --preserveSplashScreen=true\n" + "or no splash screen will be shown.");
    // Create a Task that will load a BXML file and simulate some other
    // processing while updating a progress meter on the SplashScreen
    final Task<Void> prepareApplicationTask = new Task<Void>() {

        final SplashScreenProgressOverlay progressOverlay = new SplashScreenProgressOverlay();

        @Override
        public Void execute() throws TaskExecutionException {
            // Load the main BXML
            progressOverlay.increment(0);
            loadBXML(display, 0.1);
            // Simulate other tasks until the progress meter has been filled
            final Random random = new Random();
            while (progressOverlay.getPercentage() < 1.0) {
                // Short random sleep to simulate some processing
                try {
                    Thread.sleep(random.nextInt(50) + 100);
                } catch (InterruptedException e) {
                    e.printStackTrace();
                }
                // Update the progress meter by a random amount
                progressOverlay.increment((1 + random.nextInt(10)) / 100.0);
            }
            return null;
        }

        // Load the Pivot UI
        private void loadBXML(final Display displayArgument, final double weight) {
            try {
                ApplicationContext.queueCallback(() -> {
                    Window window = null;
                    try {
                        window = (Window) new BXMLSerializer().readObject(this.getClass().getResource("splash.bxml"));
                    } catch (Exception e) {
                        throw new RuntimeException(e);
                    }
                    if (window != null) {
                        window.open(displayArgument);
                        progressOverlay.increment(weight);
                    }
                });
            } catch (Exception e) {
                throw new RuntimeException(e);
            }
        }
    };
    // Hide the SplashScreen when the Task finishes by making the Pivot host
    // window visible.
    final TaskListener<Void> taskListener = new TaskListener<Void>() {

        @Override
        public void taskExecuted(final Task<Void> task) {
            finished();
        }

        @Override
        public void executeFailed(final Task<Void> task) {
            System.err.println(String.format("Failed\n%s", task.getFault()));
            task.getFault().printStackTrace();
            finished();
        }

        private void finished() {
            DesktopApplicationContext.replaceSplashScreen(display);
        }
    };
    // Run the Task asynchronously
    prepareApplicationTask.execute(new TaskAdapter<>(taskListener));
}

Example 9 with Task

use of org.apache.pivot.util.concurrent.Task in project pivot by apache.

the class SuggestionDemo method getSuggestions.

private void getSuggestions() {
    if (suggestionQuery != null && suggestionQuery.isPending()) {
        suggestionQuery.abort();
    }
    // Get the query text
    String text;
    try {
        text = URLEncoder.encode(textInput.getText(), "UTF-8");
    } catch (UnsupportedEncodingException exception) {
        throw new RuntimeException(exception);
    }
    // Create query
    suggestionQuery = new GetQuery("search.yahooapis.com", "/WebSearchService/V1/relatedSuggestion");
    suggestionQuery.getParameters().put("appid", getClass().getName());
    suggestionQuery.getParameters().put("query", text);
    suggestionQuery.getParameters().put("output", "json");
    suggestionQuery.execute(new TaskAdapter<>(new TaskListener<Object>() {

        @Override
        public void taskExecuted(Task<Object> task) {
            if (task == suggestionQuery) {
                List<?> suggestions = null;
                Object result = JSON.get(task.getResult(), "ResultSet.Result");
                if (result instanceof List<?>) {
                    suggestions = (List<?>) result;
                }
                if (suggestions == null || suggestions.getLength() == 0) {
                    suggestionPopup.close();
                } else {
                    suggestionPopup.setSuggestionData(suggestions);
                    suggestionPopup.open(textInput, new SuggestionPopupCloseListener() {

                        @Override
                        public void suggestionPopupClosed(SuggestionPopup suggestionPopupArgument) {
                            if (suggestionPopupArgument.getResult()) {
                                String textLocal;
                                try {
                                    textLocal = URLEncoder.encode(textInput.getText(), "UTF-8");
                                } catch (UnsupportedEncodingException exception) {
                                    throw new RuntimeException(exception);
                                }
                                String location = "http://search.yahoo.com/search?p=" + textLocal;
                                try {
                                    Desktop.getDesktop().browse(new URI(location));
                                } catch (IOException exception) {
                                    System.err.println(exception);
                                } catch (URISyntaxException exception) {
                                    System.err.println(exception);
                                }
                            }
                        }
                    });
                }
                activityIndicator.setActive(false);
                suggestionQuery = null;
            }
        }

        @Override
        public void executeFailed(Task<Object> task) {
            if (task == suggestionQuery) {
                System.err.println(task.getFault());
                activityIndicator.setActive(false);
                suggestionQuery = null;
            }
        }
    }));
    activityIndicator.setActive(true);
}

Example 10 with Task

use of org.apache.pivot.util.concurrent.Task in project pivot by apache.

the class SearchDemo method updateArtwork.

/**
 * Updates the artwork to reflect the current selection.
 */
public void updateArtwork() {
    @SuppressWarnings("unchecked") Map<String, Object> result = (Map<String, Object>) resultsTableView.getSelectedRow();
    URL artworkURL = null;
    if (result != null) {
        try {
            artworkURL = new URL((String) result.get("artworkUrl100"));
        } catch (MalformedURLException exception) {
        // ignore exception
        }
    }
    if (artworkURL == null) {
        artworkImageView.setImage((Image) null);
    } else {
        Image.load(artworkURL, new TaskAdapter<>(new TaskListener<Image>() {

            @Override
            public void taskExecuted(Task<Image> task) {
                artworkImageView.setImage(task.getResult());
            }

            @Override
            public void executeFailed(Task<Image> task) {
                artworkImageView.setImage((Image) null);
            }
        }));
    }
    previewButton.setEnabled(result != null);
}