Example usage for java.util Objects requireNonNull

Introduction

In this page you can find the example usage for java.util Objects requireNonNull.

Prototype

public static <T> T requireNonNull(T obj)

Source Link

Document

Checks that the specified object reference is not null .

Usage

From source file:applica.framework.licensing.LicenseManager.java

public void validate() throws InvalidLicenseException {
    Objects.requireNonNull(user);

    InputStream in = getClass().getResourceAsStream("/".concat(LICENSE_FILE));
    if (in == null) {
        throw new LicenseException(LICENSE_FILE + " not found");
    }/*w  w w  . ja  v a 2s. c  o  m*/

    try {
        byte[] bytes = IOUtils.toByteArray(in);
        License license = new License(user, bytes);
        license.validate();
    } catch (IOException e) {
        e.printStackTrace();
    } finally {
        IOUtils.closeQuietly(in);
    }
}

From source file:com.avanza.astrix.dashboard.web.ServiceRegistryController.java

@Autowired
public ServiceRegistryController(ServiceRegistryAdministrator serviceRegistryAdmin) {
    this.serviceRegistryAdmin = Objects.requireNonNull(serviceRegistryAdmin);
}

From source file:io.github.moosbusch.lumpi.gui.impl.SelectionAdapter.java

public SelectionAdapter(Component eventSource, T value, Expression expr) {
    this.eventSourceRef = new WeakReference<>(Objects.requireNonNull(eventSource));
    this.data = new Dictionary.Pair<>(expr, new WeakReference<>(Objects.requireNonNull(value)));
}

From source file:io.github.moosbusch.lumpi.gui.form.editor.io.spi.ListButtonStoreValueDelegate.java

public ListButtonStoreValueDelegate(FormEditor<T> formEditor) {
    this.formEditor = Objects.requireNonNull(formEditor);
}

From source file:org.eclipse.hono.service.cache.SpringBasedExpiringValueCache.java

@Override
public void put(final K key, final V value, final Instant expirationTime) {

    Objects.requireNonNull(key);
    Objects.requireNonNull(value);
    Objects.requireNonNull(expirationTime);

    if (Instant.now().isBefore(expirationTime)) {
        final ExpiringValue<V> expiringValue = new BasicExpiringValue<>(value, expirationTime);
        cache.put(key, expiringValue);//from w ww.ja  v  a2 s  . c  om
    } else {
        throw new IllegalArgumentException("value is already expired");
    }
}

From source file:io.github.moosbusch.lumpi.beans.impl.Options.java

public Options(Preferences preferences) {
    this.preferences = Objects.requireNonNull(preferences);
}

From source file:it.unibo.alchemist.language.protelis.datatype.AbstractField.java

/**
 * Reduce the desired {@link Iterable} using the provided
 * {@link BinaryOperator}, excluding an element and returning a default
 * value if the {@link Iterable} is empty or only contains the value to
 * exclude. If multiple elements to exclude are present in the iterable,
 * only the first will be discarded./*  w  w  w  .j  av a2 s  .co m*/
 * 
 * @param c
 *            the {@link Iterable}
 * @param op
 *            the {@link BinaryOperator} that selects which element should
 *            be kept
 * @param exclude
 *            element not to consider (can be null)
 * @param defaultVal
 *            the value to return if the iterator is empty or only contains
 *            the value to ignore
 * @param <T>
 *            return type
 * @return the reduced element
 * 
 */
protected static <T> T reduce(final Iterable<T> c, final BinaryOperator<T> op, final T exclude,
        final T defaultVal) {
    Objects.requireNonNull(c);
    Objects.requireNonNull(op);
    boolean filter = exclude != null;
    T result = null;
    for (final T el : c) {
        if (filter && el.equals(exclude)) {
            filter = false;
        } else {
            if (result != null) {
                result = op.apply(result, el);
            } else {
                result = el;
            }
        }
    }
    if (result == null) {
        return defaultVal;
    } else {
        return result;
    }
}

From source file:com.ait.tooling.server.core.security.SimpleKeyStringSigningProvider.java

@Override
public String makeSignature(final String text) {
    return hmac(Objects.requireNonNull(text));
}

From source file:io.github.moosbusch.lumpi.gui.impl.Expression.java

public Expression(String expression, char separatorChar) {
    this.separatorChar = Objects.requireNonNull(separatorChar);
    parseExpression(expression);
}

From source file:at.yawk.buycraft.BuycraftApiImpl.java

@Override
public InfoResponse info(String port, String onlineMode, String playerLimit, String version)
        throws IOException {
    Objects.requireNonNull(port);
    Objects.requireNonNull(onlineMode);
    Objects.requireNonNull(playerLimit);
    Objects.requireNonNull(version);
    JsonObject object = get("info",
            new URIBuilder().setParameter("serverPort", port).setParameter("onlineMode", onlineMode)
                    .setParameter("playersMax", playerLimit).setParameter("version", version));
    JsonObject payload = object.getAsJsonObject("payload");
    return new InfoResponse(payload.get("latestVersion").getAsDouble(),
            payload.get("latestDownload").getAsString(), payload.get("serverId").getAsInt(),
            payload.get("serverCurrency").getAsString(), payload.get("serverName").getAsString(),
            payload.get("serverStore").getAsString(), payload.get("updateUsernameInterval").getAsInt(),
            payload.get("onlineMode").getAsBoolean());
}