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:codex.extract.JavaExtractor.java

private void process0(Iterable<? extends JavaFileObject> files, Writer writer) {
    try {//  w w  w .  j ava 2s .  co  m
        // we set our output dir to tmp.dir just in case annotation processors decide to generate
        // output even though we don't want any
        List<String> opts = Lists.newArrayList("-Xjcov", "-d", System.getProperty("java.io.tmpdir"));

        String cp = Joiner.on(File.pathSeparator).join(classpath());
        if (cp.length() > 0) {
            opts.add("-classpath");
            opts.add(cp);
        }

        int[] diags = new int[Diagnostic.Kind.values().length];
        DiagnosticListener<JavaFileObject> diag = new DiagnosticListener<JavaFileObject>() {
            public void report(Diagnostic<? extends JavaFileObject> diagnostic) {
                diags[diagnostic.getKind().ordinal()]++;
            }
        };
        JavacTaskImpl task = (JavacTaskImpl) _compiler.getTask(null, null, diag, opts, null, files);
        Iterable<? extends CompilationUnitTree> asts = task.parse();
        task.analyze(); // don't need results, but need annotations in tree

        writer.openSession();
        try {
            Context context = task.getContext();
            ExtractingScanner scanner = new ExtractingScanner(Types.instance(context), _omitBodies);
            for (CompilationUnitTree tree : asts) {
                scanner.extract(tree, writer);
            }
        } finally {
            writer.closeSession();
        }

        // annoyingly, there's no (public) way to tell the task that we're done without generating
        // .class files, so instead we have to do this reach around
        Method endContext = Iterables.find(Arrays.asList(task.getClass().getDeclaredMethods()),
                m -> m.getName().equals("cleanup"));
        endContext.setAccessible(true);
        endContext.invoke(task);

        // report the number of diagnostics
        StringBuilder sb = new StringBuilder();
        for (Diagnostic.Kind kind : Diagnostic.Kind.values()) {
            int count = diags[kind.ordinal()];
            if (count == 0)
                continue;
            if (sb.length() > 0)
                sb.append(", ");
            sb.append(kind.toString().toLowerCase()).append('=').append(count);
        }
        if (sb.length() > 0)
            log("Diagnostics [" + sb + "]");

    } catch (Exception e) {
        throw new RuntimeException(e);
    }
}

From source file:org.jclouds.ec2.compute.functions.EC2ImageParser.java

@Override
public Image apply(final org.jclouds.ec2.domain.Image from) {
    if (from.getImageType() != ImageType.MACHINE) {
        return null;
    }/*w ww. j  a v a2  s . c o m*/
    ImageBuilder builder = new ImageBuilder();
    builder.providerId(from.getId());
    builder.id(from.getRegion() + "/" + from.getId());
    builder.name(from.getName());
    builder.description(from.getDescription() != null ? from.getDescription() : from.getImageLocation());
    builder.userMetadata(ImmutableMap.<String, String>builder().put("owner", from.getImageOwnerId())
            .put("rootDeviceType", from.getRootDeviceType().value())
            .put("virtualizationType", from.getVirtualizationType().value())
            .put("hypervisor", from.getHypervisor().value()).build());

    OperatingSystem.Builder osBuilder = OperatingSystem.builder();
    osBuilder.is64Bit(from.getArchitecture() == Architecture.X86_64);
    OsFamily family = parseOsFamily(from);
    osBuilder.family(family);
    osBuilder.version(
            ComputeServiceUtils.parseVersionOrReturnEmptyString(family, from.getImageLocation(), osVersionMap));
    osBuilder.description(from.getImageLocation());
    osBuilder.arch(from.getVirtualizationType().value());

    reviseParsedImage.reviseParsedImage(from, builder, family, osBuilder);

    builder.defaultCredentials(credentialProvider.apply(from));

    try {
        builder.location(Iterables.find(locations.get(), new Predicate<Location>() {

            @Override
            public boolean apply(Location input) {
                return input.getId().equals(from.getRegion());
            }

        }));
    } catch (NoSuchElementException e) {
        logger.error("unknown region %s for image %s; not in %s", from.getRegion(), from.getId(), locations);
        builder.location(new LocationBuilder().scope(LocationScope.REGION).id(from.getRegion())
                .description(from.getRegion()).parent(defaultLocation.get()).build());
    }
    builder.operatingSystem(osBuilder.build());
    builder.status(toPortableImageStatus.get(from.getImageState()));
    builder.backendStatus(from.getRawState());
    return builder.build();
}

From source file:org.linagora.linshare.view.tapestry.components.ListThreadMembers.java

public void onActionFromDeleteMember(String identifier) {
    toDelete = Iterables.find(members, ThreadMemberVo.equalTo(identifier));
    selectedMemberId = identifier;
}

From source file:org.jclouds.gogrid.compute.functions.ServerToNodeMetadata.java

protected Hardware parseHardware(Server from) {
    Hardware hardware = null;/*from   w w w. j a  va2  s. c  o m*/
    try {
        hardware = Iterables.find(hardwares.get(), new FindHardwareForServer(from));
    } catch (NoSuchElementException e) {
        logger.debug("could not find a matching hardware for server %s", from);
    }
    return hardware;
}

From source file:org.jclouds.openstack.nova.compute.functions.ServerToNodeMetadata.java

protected Image parseImage(Server from) {
    try {//from  w  w w.  j  a  va2  s . c  om
        return Iterables.find(images.get(), new FindImageForServer(from));
    } catch (NoSuchElementException e) {
        logger.warn("could not find a matching image for server %s in location %s", from, location);
    }
    return null;
}

From source file:com.eucalyptus.compute.common.internal.vm.VmVolumeState.java

public VmVolumeAttachment removeVolumeAttachment(final String volumeId) throws NoSuchElementException {
    final VmVolumeAttachment v = Iterables.find(this.attachments, VmVolumeAttachment.volumeIdFilter(volumeId));
    if (v == null) {
        throw new NoSuchElementException("Failed to find volume attachment for instance "
                + this.getVmInstance().getInstanceId() + " and volume " + volumeId);
    } else {/*from  www  . j  a  va 2  s . c  o m*/
        this.attachments.remove(v);
        return v;
    }
}

From source file:org.apache.brooklyn.entity.database.mysql.InitSlaveTaskBody.java

private MySqlNode getMaster() {
    return (MySqlNode) Iterables.find(cluster.getMembers(), MySqlClusterUtils.IS_MASTER);
}

From source file:org.iglootools.hchelpers.java.HttpClientTemplate.java

private HttpErrorHandler findHttpErrorHandlerApplyingToResponse(Iterable<HttpErrorHandler> httpErrorHandlers,
        final HttpResponse httpResponse) {
    try {//from  w w w .  j  ava2 s. com
        return Iterables.find(Iterables.concat(httpErrorHandlers, this.defaultErrorHandlers),
                new Predicate<HttpErrorHandler>() {
                    public boolean apply(HttpErrorHandler input) {
                        return input.apppliesTo(httpResponse.getStatusLine());
                    }
                });
    } catch (NoSuchElementException e) {
        return null;
    }
}

From source file:brooklyn.networking.vclouddirector.PortForwarderVcloudDirector.java

@Override
public void inject(Entity owner, List<Location> locations) {
    subnetTier = (SubnetTier) owner;/*from w w  w. ja  va 2s  .  co  m*/
    jcloudsLocation = (JcloudsLocation) Iterables.find(locations, Predicates.instanceOf(JcloudsLocation.class));
    getClient(); // force load of client: fail fast if configuration is missing
    getPortRange();
    getNatMicroserviceAutoAllocatesPorts();
}

From source file:org.jclouds.cloudservers.compute.functions.ServerToNodeMetadata.java

protected OperatingSystem parseOperatingSystem(Server from) {
    try {/* ww w. ja va2 s .c  o m*/
        return Iterables.find(images.get(), new FindImageForServer(from)).getOperatingSystem();
    } catch (NoSuchElementException e) {
        logger.debug("could not find a matching image for server %s in location %s", from, location.get());
    }
    return null;
}