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

Introduction

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

Prototype

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

Source Link

Document

Returns the first element in iterable that satisfies the given predicate; use this method only when such an element is known to exist.

Usage

From source file:com.googlecode.efactory.util.Resources.java

public static <T extends EObject> T getRoot(Resource resource, final Class<T> type) {
    if (resource != null) {
        return type.cast(Iterables.find(resource.getContents(), new Predicate<EObject>() {

            public boolean apply(EObject input) {
                return type.isInstance(input);
            }//w  w w  .j a  v a2 s  . c o  m
        }));
    }
    throw new IllegalArgumentException("Resource must not be null");
}

From source file:org.eclipse.sirius.tests.unit.contribution.Freezer.java

public static void thaw(EObject obj) {
    try {/* w w  w  .  j a  v a2s .co m*/
        Adapter f = Iterables.find(obj.eAdapters(), Predicates.instanceOf(Freezer.class));
        obj.eAdapters().remove(f);
    } catch (NoSuchElementException nsee) {
        // Ignore.
    }
}

From source file:org.jclouds.karaf.recipe.RecipeProviders.java

/**
 * Returns the {@link RecipeProvider} with id.
 * @param id/* w  w  w. j  ava 2 s  .  c o  m*/
 * @return
 * @throws NoSuchElementException
 */
public static RecipeProvider withId(String id) throws NoSuchElementException {
    return Iterables.find(all(), RecipeProviderPredicates.id(id));
}

From source file:org.opendaylight.protocol.bgp.rib.impl.IdentifierUtils.java

private static NodeIdentifierWithPredicates firstKeyOf(final YangInstanceIdentifier id,
        final Predicate<PathArgument> match) {
    final PathArgument ret = Iterables.find(id.getPathArguments(), match);
    Preconditions.checkArgument(ret instanceof NodeIdentifierWithPredicates, "Non-key peer identifier %s", ret);
    return (NodeIdentifierWithPredicates) ret;
}

From source file:com.atlassian.jira.rest.client.domain.EntityHelper.java

public static <T extends NamedEntity> T findEntityByName(Iterable<T> entities, final String name) {
    return Iterables.find(entities, HasNamePredicate.forName(name));
}

From source file:io.joynr.generator.loading.Query.java

public <T extends EObject> T find(String name, Class<T> type) {
    return Iterables.find(all(type), name(name));
}

From source file:com.google.jenkins.plugins.dsl.YamlHistoryAction.java

/**
 * Search the actions of the {@link YamlBuild} for a {@link YamlHistoryAction}
 *
 * @return the action, or null if not found (or no build was passed)
 *///from   w w  w  .  j a  v a 2 s . co m
@Nullable
public static YamlHistoryAction of(YamlBuild build) {
    if (build == null) {
        return null;
    }
    try {
        return (YamlHistoryAction) Iterables.find(build.getRawActions(),
                Predicates.instanceOf(YamlHistoryAction.class));
    } catch (NoSuchElementException e) {
        return null;
    }
}

From source file:org.jclouds.chef.util.ChefUtils.java

/**
 * //w w w.  j  a  v a2 s.  co  m
 * @return NoSuchElementException if no element in the runList is a role.
 */
public static String findRoleInRunList(List<String> runList) {
    final Pattern pattern = Pattern.compile("^role\\[(.*)\\]$");
    String roleToParse = Iterables.find(runList, new Predicate<String>() {

        @Override
        public boolean apply(String input) {
            return pattern.matcher(input).matches();
        }

    });
    Matcher matcher = pattern.matcher(roleToParse);
    matcher.find();
    return matcher.group(1);
}

From source file:org.yakindu.sct.generator.core.extensions.FileExtensions.java

public static String getFileExtension(final String generatorId) {
    FileExtensionDescriptor descriptor = Iterables.find(getFileExtensions(),
            new Predicate<FileExtensionDescriptor>() {
                public boolean apply(FileExtensionDescriptor input) {
                    return generatorId.equals(input.getGeneratorId());
                }// ww w .  ja  v  a 2 s. c om
            });
    return descriptor.getExtension();
}

From source file:org.apache.beam.runners.spark.aggregators.metrics.sink.InMemoryMetrics.java

@SuppressWarnings({ "unchecked", "WeakerAccess" })
public static <T> T valueOf(final String name) {
    final T retVal;

    // this might fail in case we have multiple aggregators with the same suffix after
    // the last dot, but it should be good enough for tests.
    if (extendedMetricsRegistry != null && Iterables.any(extendedMetricsRegistry.getGauges().keySet(),
            Predicates.containsPattern(name + "$"))) {
        String key = Iterables.find(extendedMetricsRegistry.getGauges().keySet(),
                Predicates.containsPattern(name + "$"));
        retVal = (T) extendedMetricsRegistry.getGauges().get(key).getValue();
    } else {//from  w  ww. j a  v a  2s.c  o m
        retVal = null;
    }

    return retVal;
}