Example usage for com.google.common.collect Iterables tryFind

Introduction

In this page you can find the example usage for com.google.common.collect Iterables tryFind.

Prototype

public static <T> Optional<T> tryFind(Iterable<T> iterable, Predicate<? super T> predicate)

Source Link

Document

Returns an Optional containing the first element in iterable that satisfies the given predicate, if such an element exists.

Usage

From source file:com.eucalyptus.tokens.ws.TokensRequestLoggingFilter.java

@Override
public Collection<String> apply(final Collection<String> parametersOrBody) {
    if (Iterables.tryFind(ACTION_NVPS, Predicates.in(parametersOrBody)).isPresent()) {
        return parametersOrBody.stream()
                .map(parameterAndValue -> parameterAndValue.startsWith(WEB_ID_TOKEN_PARAMETER)
                        ? WEB_ID_TOKEN_PARAMETER_REDACTED
                        : parameterAndValue)
                .collect(Collectors.toList());
    }//from w w  w.j  a  v a2  s .c  o  m
    return parametersOrBody;
}

From source file:clocker.docker.networking.entity.OpenStackVirtualNetworkImpl.java

public NetworkProvisioningExtension findNetworkProvisioner(Collection<? extends Location> locations) {
    Optional<? extends Location> found = Iterables.tryFind(locations, new Predicate<Location>() {
        @Override//  ww w .j  a  v  a 2 s.c  o  m
        public boolean apply(Location input) {
            return input instanceof JcloudsLocation
                    && ((JcloudsLocation) input).getProvider().startsWith("openstack");
        }
    });
    if (!found.isPresent()) {
        throw new IllegalStateException(
                "Cannot find openstack location: " + Iterables.toString(getLocations()));
    }
    JcloudsLocation provisioner = (JcloudsLocation) found.get();
    NetworkProvisioningExtension extension = new OpenStackNetworkProvisioner(provisioner);
    return extension;
}

From source file:springfox.documentation.service.ObjectVendorExtension.java

public void replaceProperty(VendorExtension property) {
    Optional<VendorExtension> vendorProperty = Iterables.tryFind(properties, withName(property.getName()));
    if (vendorProperty.isPresent()) {
        properties.remove(vendorProperty.get());
    }/*  www  .  j a va2  s .com*/
    properties.add(property);
}

From source file:com.github.pmerienne.cf.block.BlockLocker.java

public synchronized Block getAndLockRandomBlock() {
    Block unlockedBlock = Iterables.tryFind(this.toProcesses, new Predicate<Block>() {
        @Override/*from ww  w  . j a va2 s . c  om*/
        public boolean apply(Block block) {
            return isUnlocked(block);
        }
    }).orNull();

    if (unlockedBlock != null) {
        this.lock(unlockedBlock);
    }

    return unlockedBlock;
}

From source file:com.palantir.giraffe.internal.SchemeProviderFinder.java

public Optional<P> find(String scheme) {
    MatchesScheme predicate = new MatchesScheme(scheme);

    Optional<P> provider = Iterables.tryFind(providers, predicate);
    if (!provider.isPresent() && fallbackLoader != null) {
        ServiceLoader<P> loader = ServiceLoader.load(providerClass, fallbackLoader);
        provider = Iterables.tryFind(loader, predicate);
    }//  w  w  w .jav  a 2 s . c  om

    return provider;
}

From source file:org.killbill.billing.plugin.api.PluginProperties.java

public static String findPluginPropertyValue(final String pluginPropertyName,
        @Nullable final Iterable<PluginProperty> properties) {
    if (properties == null) {
        return null;
    }//  ww  w. j a va 2  s  . c  o m

    final PluginProperty pluginProperty = Iterables.tryFind(properties, new Predicate<PluginProperty>() {
        @Override
        public boolean apply(final PluginProperty input) {
            return pluginPropertyName.equals(input.getKey());
        }
    }).orNull();

    if (pluginProperty == null || pluginProperty.getValue() == null) {
        return null;
    }
    final String pluginPropertyString = String.valueOf(pluginProperty.getValue());
    return Strings.isNullOrEmpty(pluginPropertyString) ? null : pluginPropertyString;
}

From source file:com.bennavetta.vetinari.build.internal.phase.RenderPhase.java

private Renderer getRenderer(Page page, Site site) {
    Renderer renderer = null;/*from ww w .  j a  v  a  2  s .c o m*/
    // The last file extension is always the renderer, if anything.
    final String extension = getFileExtension(page.getPath().toString());
    Optional<Renderer> rendererFromExtension = Iterables.tryFind(renderers,
            r -> Iterables.contains(r.getFileExtensions(), extension));
    if (rendererFromExtension.isPresent()) {
        renderer = rendererFromExtension.get();
    } else if (page.getMetadata().hasPath("renderer")) {
        final String rendererName = page.getMetadata().getString("renderer");
        renderer = Iterables.find(renderers, r -> rendererName.equals(r.getName()));
    } else {
        renderer = Iterables.find(renderers, r -> site.getDefaultRenderer().equals(r.getName()));
    }
    return renderer;
}

From source file:pt.ist.maidSyncher.domain.dsi.DSIMilestone.java

public GHMilestone getGhMilestone(final GHRepository ghRepository) {
    Optional<GHMilestone> optionalMilestone = Iterables.tryFind(getGhMilestonesSet(),
            new Predicate<GHMilestone>() {
                @Override/*  www . j  a  va 2 s  . c o  m*/
                public boolean apply(GHMilestone input) {
                    if (input == null)
                        return false;
                    return ObjectUtils.equals(input.getRepository(), ghRepository);
                }
            });
    return optionalMilestone.orNull();
}

From source file:greensopinion.swagger.jaxrsgen.mock.model.ServerError.java

private String computeMessage(Throwable t) {
    Optional<Throwable> found = Iterables.tryFind(Throwables.getCausalChain(t), new Predicate<Throwable>() {
        @Override/*from  w w w .jav a2s  .c o  m*/
        public boolean apply(Throwable input) {
            return input != null && !Strings.isNullOrEmpty(input.getMessage());
        }
    });
    if (found.isPresent()) {
        return found.get().getMessage();
    }
    return null;
}

From source file:com.github.jeluard.guayaba.base.PartialFunctions.java

/**
 * Find first {@link PartialFunction} applicable on `element`.
 *
 * @param <I>// w  w w  .  java 2  s.  c  om
 * @param <O>
 * @param <PF>
 * @param partialFunctions
 * @param element
 * @return result of first matching {@link PartialFunction}
 */
public static <I, O, PF extends PartialFunction<I, ? extends O>> Optional<PF> tryFind(
        final Iterable<PF> partialFunctions, final I element) {
    Preconditions.checkNotNull(partialFunctions, "null partialFunctions");
    Preconditions.checkNotNull(element, "null element");

    return Iterables.tryFind(partialFunctions, new DefinedPredicate(element));
}