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

Introduction

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

Prototype

@CheckReturnValue
public static <F, T> Iterable<T> transform(final Iterable<F> fromIterable,
        final Function<? super F, ? extends T> function)

Source Link

Document

Returns an iterable that applies function to each element of fromIterable .

Usage

From source file:ratpack.file.internal.ActivationBackedMimeTypes.java

private static Set<String> extractKnownMimeTypes() {
    try {/*from  www .j  a v  a  2 s .  c om*/
        Function<Object, String> getMimeTypeFunction = new GetMimeTypeFunction();
        Field typeHashField = makeFieldAccessible(Class.forName("com.sun.activation.registries.MimeTypeFile"),
                "type_hash");
        Field mimeTypeFilesField = makeFieldAccessible(MimetypesFileTypeMap.class, "DB");
        Object mimeTypeFiles = mimeTypeFilesField.get(MIME_TYPES_MAP);
        Set<String> mimeTypes = Sets.newHashSet();
        for (int i = 0; i < Array.getLength(mimeTypeFiles); i++) {
            Object mimeTypeFile = Array.get(mimeTypeFiles, i);
            if (mimeTypeFile != null) {
                Map<?, ?> typeHash = (Map) typeHashField.get(mimeTypeFile);
                Iterables.addAll(mimeTypes, Iterables.transform(typeHash.values(), getMimeTypeFunction));
            }
        }
        return ImmutableSet.copyOf(mimeTypes);
    } catch (ReflectiveOperationException | NullPointerException ex) {
        return ImmutableSet.of();
    }
}

From source file:io.druid.server.http.InventoryViewUtils.java

public static Set<DruidDataSource> getDataSources(InventoryView serverInventoryView) {
    TreeSet<DruidDataSource> dataSources = Sets.newTreeSet(new Comparator<DruidDataSource>() {
        @Override// w  w w  . j  ava 2 s.  c  o  m
        public int compare(DruidDataSource druidDataSource, DruidDataSource druidDataSource1) {
            return druidDataSource.getName().compareTo(druidDataSource1.getName());
        }
    });
    dataSources
            .addAll(Lists.newArrayList(Iterables.concat(Iterables.transform(serverInventoryView.getInventory(),
                    new Function<DruidServer, Iterable<DruidDataSource>>() {
                        @Override
                        public Iterable<DruidDataSource> apply(DruidServer input) {
                            return input.getDataSources();
                        }
                    }))));
    return dataSources;
}

From source file:edu.umn.msi.tropix.webgui.server.CatalogUtils.java

public static String[] getServiceIDsFromSHBeanList(final Iterable<SearchHit> shBeans) {
    return Iterables.toArray(Iterables.transform(shBeans, ENTRY_ID_FUNCTION), String.class);
}

From source file:com.flaptor.indextank.IndexTankTestCase.java

public static Iterable<String> toDocIds(TopMatches result) {
    return Iterables.transform(result, GET_ID_FUNCTION);
}

From source file:com.facebook.buck.rules.args.StringArg.java

public static Iterable<Arg> from(Iterable<String> args) {
    return Iterables.transform(args, StringArg::new);
}

From source file:com.google.errorprone.ErrorPronePlugins.java

public static ScannerSupplier loadPlugins(ScannerSupplier scannerSupplier, Context context) {

    JavaFileManager fileManager = context.get(JavaFileManager.class);
    // Search ANNOTATION_PROCESSOR_PATH if it's available. Unlike in annotation processor
    // discovery, we never search CLASS_PATH.
    if (!fileManager.hasLocation(StandardLocation.ANNOTATION_PROCESSOR_PATH)) {
        return scannerSupplier;
    }//from  w  w  w.  ja  v  a  2  s  . com
    ClassLoader loader = fileManager.getClassLoader(StandardLocation.ANNOTATION_PROCESSOR_PATH);
    Iterable<BugChecker> extraBugCheckers = ServiceLoader.load(BugChecker.class, loader);
    if (Iterables.isEmpty(extraBugCheckers)) {
        return scannerSupplier;
    }
    return scannerSupplier
            .plus(ScannerSupplier.fromBugCheckerClasses(Iterables.transform(extraBugCheckers, GET_CLASS)));
}

From source file:org.onos.yangtools.yang.data.impl.schema.transform.base.serializer.LeafSetNodeBaseSerializer.java

@Override
public final Iterable<E> serialize(final LeafListSchemaNode schema, final LeafSetNode<?> node) {
    return Iterables
            .concat(Iterables.transform(node.getValue(), new Function<LeafSetEntryNode<?>, Iterable<E>>() {
                @Override//from  w ww.j ava  2  s.co  m
                public Iterable<E> apply(final LeafSetEntryNode<?> input) {
                    final Iterable<E> serializedChild = getLeafSetEntryNodeSerializer().serialize(schema,
                            input);
                    final int size = Iterables.size(serializedChild);
                    Preconditions.checkState(size == 1,
                            "Unexpected count of elements for leaf-list entry serialized from: %s, should be 1, was: %s",
                            input, size);
                    return serializedChild;
                }
            }));
}

From source file:com.google.devtools.build.lib.analysis.AnalysisPhaseStartedEvent.java

/**
 * Construct the event./*from  w  w w .  j  av  a2  s  . c  o m*/
 * @param targets The set of active targets that remain.
 */
public AnalysisPhaseStartedEvent(Collection<Target> targets) {
    this.labels = Iterables.transform(targets, new Function<Target, Label>() {
        @Override
        public Label apply(Target input) {
            return input.getLabel();
        }
    });
}

From source file:com.google.gcloud.storage.StorageServiceImpl.java

@Override
public Iterable<Bucket> listBuckets() {
    try {/* w  w w.ja  v  a  2 s . c om*/
        return Iterables.transform(storageRpc.buckets(),
                new Function<com.google.api.services.storage.model.Bucket, Bucket>() {
                    @Override
                    public Bucket apply(com.google.api.services.storage.model.Bucket model) {
                        return new BucketImpl(StorageServiceImpl.this, model);
                    }
                });
    } catch (IOException ex) {
        throw new StorageServiceException(ex);
    }
}

From source file:com.allogy.mime.MimeGeneratingInputStream.java

public MimeGeneratingInputStream(Iterable<Header> headers, InputStream bodyInputStream) {
    Iterable<InputStream> inputStreamHeaders = Iterables.transform(headers,
            new Function<Header, InputStream>() {
                public InputStream apply(@Nullable Header s) {
                    InputStream headerStream = new ByteArrayInputStream(s.toString().getBytes());
                    return new SequenceInputStream(headerStream,
                            new ByteArrayInputStream(MimeUtilities.CRLFEnding.getBytes()));
                }/*from   w w  w .  j a  v  a2 s .c  o m*/
            });

    InputStream givenHeadersInputStream = new SequenceInputStream(
            new IteratorEnumeration(inputStreamHeaders.iterator()));

    InputStream headerInputStream = new SequenceInputStream(givenHeadersInputStream,
            new ByteArrayInputStream(MimeUtilities.CRLFEnding.getBytes()));

    innerInputStream = new SequenceInputStream(headerInputStream, bodyInputStream);
}