Example usage for java.util.function Supplier get

Introduction

In this page you can find the example usage for java.util.function Supplier get.

Prototype

T get();

Source Link

Document

Gets a result.

Usage

From source file:onl.area51.filesystem.http.client.HttpUtils.java

public static void send(char[] path, Function<char[], String> remoteUri, Function<char[], Path> getPath,
        Supplier<String> userAgent) throws IOException {
    if (path == null || path.length == 0) {
        throw new FileNotFoundException("/");
    }//ww w  .  ja  v a 2 s  .c o m

    String uri = remoteUri.apply(path);
    if (uri != null) {

        HttpEntity entity = new PathEntity(getPath.apply(path));

        LOG.log(Level.FINE, () -> "Sending " + uri);

        HttpPut put = new HttpPut(uri);
        put.setHeader(USER_AGENT, userAgent.get());
        put.setEntity(entity);

        try (CloseableHttpClient client = HttpClients.createDefault()) {
            try (CloseableHttpResponse response = client.execute(put)) {

                int returnCode = response.getStatusLine().getStatusCode();
                LOG.log(Level.FINE,
                        () -> "ReturnCode " + returnCode + ": " + response.getStatusLine().getReasonPhrase());
            }
        }
    }
}

From source file:cz.lbenda.gui.controls.TextAreaFrmController.java

public static EventHandler<ActionEvent> openEventHandler(String windowTitle,
        @Nonnull Supplier<String> oldValueSupplier, @Nonnull Consumer<String> newValueConsumer) {
    String title = windowTitle == null ? msgDefaultWindowTitle : windowTitle;
    return event -> {
        Tuple2<Parent, TextAreaFrmController> tuple2 = TextAreaFrmController.createNewInstance();
        tuple2.get2().textProperty().setValue(oldValueSupplier.get());
        tuple2.get2().textProperty()/* w  w  w  . j a v a2s  .  co  m*/
                .addListener((observable, oldValue, newValue) -> newValueConsumer.accept(newValue));
        Stage stage = (Stage) ((Node) event.getSource()).getScene().getWindow();
        DialogHelper.getInstance().openWindowInCenterOfStage(stage, tuple2.get2().getMainPane(), title);
    };
}

From source file:me.rojo8399.placeholderapi.impl.utils.TypeUtils.java

public static <T> T tryOrNull(Supplier<T> funct) {
    try {//from  w ww  . ja  va  2  s . c om
        return funct.get();
    } catch (Exception e) {
        return null;
    }
}

From source file:me.rojo8399.placeholderapi.impl.utils.TypeUtils.java

/**
 * Will only work on unchecked but catchable exceptions.
 *///from ww  w.  j a  v a 2s  .  c  o  m
public static <T> Optional<T> tryOptional(Supplier<T> fun) {
    try {
        return Optional.ofNullable(fun.get());
    } catch (Exception e) {
        return Optional.empty();
    }
}

From source file:fr.landel.utils.commons.MapUtils2.java

/**
 * Create a map from {@code objects}.//from  ww  w. j  a v a 2  s. c  om
 * 
 * <pre>
 * Map&lt;String, String&gt; map = MapUtils2.newMap(TreeMap::new, Pair.of("key1", "value1"), Pair.of("key2", "value2"));
 * 
 * // equivalent
 * Map&lt;String, String&gt; map = new TreeMap&lt;&gt;();
 * map.put("key1", "value1");
 * map.put("key2", "value2");
 * </pre>
 * 
 * @param mapProvider
 *            map constructor supplier
 * @param objects
 *            objects pair to put in the new {@link Map}
 * @param <K>
 *            the type of map key
 * @param <V>
 *            the type of map value
 * @param <M>
 *            the type of map
 * @return the new {@link Map}
 * @throws NullPointerException
 *             if {@code mapProvider} is {@code null}
 * @throws IllegalArgumentException
 *             if {@code objects} is {@code null} or empty
 */
@SafeVarargs
public static <K, V, M extends Map<K, V>> M newMap(final Supplier<M> mapProvider, Pair<K, V>... objects) {
    Objects.requireNonNull(mapProvider);
    ObjectUtils.requireNonNull(objects, ERROR_OBJECTS_SUPPLIER);

    final M map = mapProvider.get();

    for (Pair<K, V> pair : objects) {
        map.put(pair.getKey(), pair.getValue());
    }

    return map;
}

From source file:com.evolveum.midpoint.schema.SelectorOptions.java

public static <T> Collection<SelectorOptions<T>> updateRootOptions(Collection<SelectorOptions<T>> options,
        Consumer<T> updater, Supplier<T> newValueSupplier) {
    if (options == null) {
        options = new ArrayList<>();
    }/* w  ww  . j a  v a  2 s.c om*/
    T rootOptions = findRootOptions(options);
    if (rootOptions == null) {
        rootOptions = newValueSupplier.get();
        options.add(new SelectorOptions<>(rootOptions));
    }
    updater.accept(rootOptions);
    return options;
}

From source file:com.wrmsr.kleist.util.Itertools.java

public static <T> Iterator<T> lazyIterator(Supplier<? extends T> supplier) {
    return new Iterator<T>() {
        private boolean done;

        @Override//  w  ww. j a  va2 s . c o m
        public boolean hasNext() {
            return !done;
        }

        @Override
        public T next() {
            if (done) {
                throw new IllegalStateException();
            }
            done = true;
            return supplier.get();
        }
    };
}

From source file:org.apache.jena.rdfconnection.RDFConnectionRemote.java

/** Convert HTTP status codes to exceptions */
static protected <X> X exec(Supplier<X> action) {
    try {//ww  w .j ava  2  s .  c  o  m
        return action.get();
    } catch (HttpException ex) {
        handleHttpException(ex, true);
        return null;
    }
}

From source file:com.simiacryptus.mindseye.applications.ArtistryUtil.java

/**
 * Log exception with default t./*from  w w w. j  a  v a 2  s.com*/
 *
 * @param <T>          the type parameter
 * @param log          the log
 * @param fn           the fn
 * @param defaultValue the default value
 * @return the t
 */
public static <T> T logExceptionWithDefault(@Nonnull final NotebookOutput log, Supplier<T> fn, T defaultValue) {
    try {
        return fn.get();
    } catch (Throwable throwable) {
        try {
            log.code(() -> {
                return throwable;
            });
        } catch (Throwable e2) {
        }
        return defaultValue;
    }
}

From source file:fr.landel.utils.commons.MapUtils2.java

/**
 * Create a map from {@code objects}.//from  w w w.  j av  a 2s  .co m
 * 
 * <pre>
 * Map&lt;String, String&gt; map = MapUtils2.newMap(TreeMap::new, "key1", "value1", "key2", "value2");
 * 
 * // equivalent
 * Map&lt;String, String&gt; map = new TreeMap&lt;&gt;();
 * map.put("key1", "value1");
 * map.put("key2", "value2");
 * </pre>
 * 
 * @param mapProvider
 *            map constructor supplier
 * @param objects
 *            objects pair to put in the new {@link Map}
 * @param <K>
 *            the type of map key
 * @param <V>
 *            the type of map value
 * @param <M>
 *            the type of map
 * @return the new {@link Map}
 * @throws NullPointerException
 *             if {@code mapProvider} is {@code null}
 * @throws IllegalArgumentException
 *             if {@code objects} is {@code null} or empty or if
 *             {@code objects} length is even
 */
@SuppressWarnings("unchecked")
@SafeVarargs
public static <K, V, M extends Map<K, V>> M newMap(final Supplier<M> mapProvider, Object... objects) {
    Objects.requireNonNull(mapProvider);
    if (objects == null || objects.length % 2 != 0) {
        throw new IllegalArgumentException(ERROR_OBJECTS_ODD);
    }

    final M map = mapProvider.get();

    for (int i = 0; i < objects.length; i += 2) {
        map.put((K) objects[i], (V) objects[i + 1]);
    }

    return map;
}