Example usage for com.google.common.base Predicates notNull

Introduction

In this page you can find the example usage for com.google.common.base Predicates notNull.

Prototype

@GwtCompatible(serializable = true)
public static <T> Predicate<T> notNull()

Source Link

Document

Returns a predicate that evaluates to true if the object reference being tested is not null.

Usage

From source file:org.jclouds.azurecompute.util.NetworkSecurityGroups.java

public static List<Rule> getCustomRules(final NetworkSecurityGroup networkSecurityGroup) {
    final List<Rule> rules = networkSecurityGroup.rules();
    return FluentIterable.from(rules).filter(Predicates.notNull()).filter(new Predicate<Rule>() {
        @Override//w w  w. j  a v  a2s . c o  m
        public boolean apply(final Rule rule) {
            return rule.isDefault() == null || !rule.isDefault();
        }
    }).toSortedList(new Comparator<Rule>() {
        @Override
        public int compare(final Rule r1, final Rule r2) {
            final int p1 = Integer.parseInt(r1.priority());
            final int p2 = Integer.parseInt(r2.priority());
            return p1 < p2 ? -1 : p1 == p2 ? 0 : 1;

        }
    });
}

From source file:com.isotrol.impe3.api.component.sitemap.Sitemap.java

private static <T> ImmutableList<T> create(Iterable<T> entries) {
    if (entries == null) {
        return ImmutableList.of();
    } else {//  ww  w.j a  v a  2  s .c  o  m
        return ImmutableList.copyOf(Iterables.filter(entries, Predicates.notNull()));
    }
}

From source file:org.robotframework.red.viewers.Selections.java

public static <T> List<T> getAdaptableElements(final IStructuredSelection selection,
        final Class<T> elementsClass) {
    final List<?> selectionAsList = selection.toList();
    return newArrayList(Iterables.filter(
            transform(selectionAsList, toObjectOfClassUsingAdapters(elementsClass)), Predicates.notNull()));
}

From source file:org.eclipse.buildship.ui.util.workbench.WorkingSetUtils.java

/**
 * Converts the given working set names to {@link org.eclipse.ui.IWorkingSet} instances. Filters
 * out working sets that cannot be found by the {@link IWorkingSetManager}.
 *
 * @param workingSetNames the names of the working sets
 * @return the {@link org.eclipse.ui.IWorkingSet} instances
 *///w  w w.ja v  a 2 s  .  co  m
public static IWorkingSet[] toWorkingSets(List<String> workingSetNames) {
    final IWorkingSetManager workingSetManager = PlatformUI.getWorkbench().getWorkingSetManager();
    return FluentIterable.from(workingSetNames).transform(new Function<String, IWorkingSet>() {

        @Override
        public IWorkingSet apply(String name) {
            return workingSetManager.getWorkingSet(name);
        }
    }).filter(Predicates.notNull()).toArray(IWorkingSet.class);
}

From source file:com.flowlogix.ejb.StatefulUtil.java

/**
 * Pings all pingable SFSBs in the session
 * /*from  w  w  w .  j  av  a2s. co m*/
 * @param session 
 * @return true if successful, false if any of the pings failed
 */
public static boolean pingStateful(Session session) {
    boolean rv = true;

    List<String> attrNames = FluentIterable.from(session.getAttributeKeys())
            .transform(new Function<Object, String>() {
                @Override
                public String apply(Object f) {
                    if (f instanceof String) {
                        return (String) f;
                    } else {
                        return null;
                    }
                }
            }).filter(Predicates.and(Predicates.notNull(), Predicates.contains(ejbPattern))).toList();
    for (String attrName : attrNames) {
        synchronized (session.getId().toString().intern()) {
            try {
                Object _pingable = session.getAttribute(attrName);
                if (_pingable instanceof Pingable) {
                    Pingable pingable = (Pingable) _pingable;
                    pingable.ping();
                }
            } catch (EJBException e) {
                log.debug("Failed to Ping Stateful EJB: ", e);
                rv = false; // signal failure if any of the pings fail
                session.removeAttribute(attrName);
            }
        }
    }

    return rv;
}

From source file:org.apache.aurora.common.base.Closures.java

/**
 * Combines multiple closures into a single closure, whose calls are replicated sequentially
 * in the order that they were provided.
 * If an exception is encountered from a closure it propagates to the top-level closure and the
 * remaining closures are not executed.//from w w w .  j  a v a2  s .  c o  m
 *
 * @param closures Closures to combine.
 * @param <T> Type accepted by the closures.
 * @return A single closure that will fan out all calls to {@link Closure#execute(Object)} to
 *    the wrapped closures.
 */
public static <T> Closure<T> combine(Iterable<Closure<T>> closures) {
    checkNotNull(closures);
    checkArgument(Iterables.all(closures, Predicates.notNull()));

    final Iterable<Closure<T>> closuresCopy = ImmutableList.copyOf(closures);

    return item -> {
        for (Closure<T> closure : closuresCopy) {
            closure.execute(item);
        }
    };
}

From source file:org.apache.aurora.common.base.Consumers.java

/**
 * Combines multiple consumers into a single consumer, whose calls are replicated sequentially
 * in the order that they were provided.
 * If an exception is encountered from a consumer it propagates to the top-level consumer and the
 * remaining consumer are not executed.//  ww w. j ava 2 s  .  c o m
 *
 * @param consumers Consumers to combine.
 * @param <T> Type accepted by the consumers.
 * @return A single consumer that will fan out all calls to {@link Consumer#accept(Object)} to
 *    the wrapped consumers.
 */
public static <T> Consumer<T> combine(List<Consumer<T>> consumers) {
    checkNotNull(consumers);
    checkArgument(Iterables.all(consumers, Predicates.notNull()));

    return consumers.stream().reduce(noop(), Consumer::andThen);
}

From source file:org.sonar.server.app.TomcatConnectors.java

static void configure(Tomcat tomcat, Props props) {
    List<Connector> connectors = from(asList(newHttpConnector(props), newAjpConnector(props)))
            .filter(Predicates.notNull()).toList();

    verify(connectors);/*from   w  w w . j  a  v  a2s .  c om*/

    tomcat.setConnector(connectors.get(0));
    for (Connector connector : connectors) {
        tomcat.getService().addConnector(connector);
    }
}

From source file:org.sfs.util.ConfigHelper.java

public static Iterable<String> getArrayFieldOrEnv(JsonObject config, String name,
        Iterable<String> defaultValue) {
    String envVar = formatEnvVariable(name);
    //USED_ENV_VARS.add(envVar);
    if (config.containsKey(name)) {
        JsonArray values = config.getJsonArray(name);
        if (values != null) {
            Iterable<String> iterable = FluentIterable.from(values).filter(Predicates.notNull())
                    .filter(input -> input instanceof String).transform(input -> input.toString());
            log(name, envVar, name, iterable);
            return iterable;
        }/* w  w  w.ja  v  a 2  s . c o m*/
    } else {
        String value = System.getenv(envVar);
        if (value != null) {
            log(name, envVar, envVar, value);
            return Splitter.on(',').split(value);
        }
    }
    log(name, envVar, null, defaultValue);
    return defaultValue;
}

From source file:org.apache.jackrabbit.oak.security.user.AuthorizableIterator.java

static AuthorizableIterator create(Iterator<String> authorizableOakPaths, UserManagerImpl userManager,
        AuthorizableType authorizableType) {
    Iterator it = Iterators.transform(authorizableOakPaths,
            new PathToAuthorizable(userManager, authorizableType));
    long size = getSize(authorizableOakPaths);
    return new AuthorizableIterator(Iterators.filter(it, Predicates.notNull()), size);
}