Example usage for com.google.common.collect ImmutableMap builder

List of usage examples for com.google.common.collect ImmutableMap builder

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Introduction

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

Prototype

public static <K, V> Builder<K, V> builder()

Source Link

Usage

From source file:com.facebook.buck.apple.toolchain.impl.AppleToolchainDiscovery.java

/**
 * Given a path to an Xcode developer directory, walks through the toolchains and builds a map of
 * (identifier: path) pairs of the toolchains inside.
 *///from w w w.  j a  v  a 2 s  . c o  m
public static ImmutableMap<String, AppleToolchain> discoverAppleToolchains(Optional<Path> developerDir,
        ImmutableList<Path> extraDirs) throws IOException {
    ImmutableMap.Builder<String, AppleToolchain> toolchainIdentifiersToToolchainsBuilder = ImmutableMap
            .builder();

    HashSet<Path> toolchainPaths = new HashSet<Path>(extraDirs);
    if (developerDir.isPresent()) {
        Path toolchainsDir = developerDir.get().resolve("Toolchains");
        LOG.debug("Searching for Xcode toolchains under %s", toolchainsDir);
        toolchainPaths.add(toolchainsDir);
    }

    for (Path toolchains : toolchainPaths) {
        if (!Files.exists(toolchains)) {
            LOG.debug("Skipping toolchain search path %s that does not exist", toolchains);
            continue;
        }

        LOG.debug("Searching for Xcode toolchains in %s", toolchains);

        try (DirectoryStream<Path> toolchainStream = Files.newDirectoryStream(toolchains, "*.xctoolchain")) {
            for (Path toolchainPath : ImmutableSortedSet.copyOf(toolchainStream)) {
                LOG.debug("Getting identifier for for Xcode toolchain under %s", toolchainPath);
                addIdentifierForToolchain(toolchainPath, toolchainIdentifiersToToolchainsBuilder);
            }
        }
    }

    return toolchainIdentifiersToToolchainsBuilder.build();
}

From source file:google.registry.util.XmlToEnumMapper.java

private XmlToEnumMapper(T[] enumValues) {
    ImmutableMap.Builder<String, T> mapBuilder = new ImmutableMap.Builder<>();
    for (T value : enumValues) {
        try {// ww w .j av a  2s  .  c o m
            XmlEnumValue xmlAnnotation = value.getDeclaringClass().getField(value.name())
                    .getAnnotation(XmlEnumValue.class);
            checkArgumentNotNull(xmlAnnotation, "Cannot map enum value to xml name: " + value);
            String xmlName = xmlAnnotation.value();
            mapBuilder = mapBuilder.put(xmlName, value);
        } catch (NoSuchFieldException e) {
            throw new RuntimeException(e);
        }
    }
    map = mapBuilder.build();
}

From source file:org.ros.internal.message.new_style.ServiceMessageDefinition.java

public Map<String, String> toHeader() {
    Preconditions.checkNotNull(md5Checksum);
    return new ImmutableMap.Builder<String, String>().put(ConnectionHeaderFields.TYPE, type)
            .put(ConnectionHeaderFields.MD5_CHECKSUM, md5Checksum).build();
}

From source file:com.google.devtools.build.xcode.zip.ZipFiles.java

/**
 * Returns the external file attributes of each entry as a mapping from the entry name to the
 * 32-bit value. As long as the attributes are generated by a Unix host, this includes the POSIX
 * file permissions in the upper two bytes. Entries not generated by a Unix host are not included
 * in the result./*from w w w  . jav a  2  s  . c o  m*/
 */
public static Map<String, Integer> unixExternalFileAttributes(Path zipFile) throws IOException {
    // Field descriptions in comments were taken from this document:
    // http://pkware.cachefly.net/webdocs/casestudies/APPNOTE.TXT
    ImmutableMap.Builder<String, Integer> attributes = new ImmutableMap.Builder<>();
    try (SeekableByteChannel input = Files.newByteChannel(zipFile)) {
        // The data we care about is toward the end of the file, after the compressed data for each
        // file. We begin by looking for the start of the end of central directory record, which is
        // marked by the signature 0x06054b50
        //
        // This contains the centralDirectoryStartOffset value, which tells us where to seek to find
        // the first central directory entry. Each such entry is marked by the signature 0x02014b50
        // and appear in sequence, one entry for each file in the .zip.
        //
        // The central directory entry contains many values, including the file name, the external
        // file attributes, and the version made by value. If the version made by indicates a Unix
        // host (0x03??), we include the external file attributes in the returned map.

        long offset = input.size() - 4;
        while (offset >= 0) {
            input.position(offset);
            int signature = readBytes(4, input);
            if (signature == 0x06054b50) {
                break;
            } else if (signature == 0x06064b50) {
                throw new IOException("Zip64 format not supported: " + zipFile);
            }
            offset--;
        }
        if (offset < 0) {
            throw new IOException();
        }

        // Read end of central directory structure
        input.position(input.position() + 2 // number of this disk
                + 2 // number of the disk with the start of the central directory
        );
        int entryCount = readBytes(2, input);
        input.position(input.position() + 2 // total number of entries in the central directory
        );
        input.position(input.position() + 4 // size of the central directory
        );
        int centralDirectoryStartOffset = readBytes(4, input);
        if (0xffffffff == centralDirectoryStartOffset) {
            throw new IOException("Zip64 format not supported.");
        }

        input.position(centralDirectoryStartOffset);
        int entriesFound = 0;

        // Read each central directory entry
        while ((entriesFound < entryCount) && (readBytes(4, input) == 0x02014b50)) {
            int versionMadeBy = readBytes(2, input);
            input.position(input.position() + 2 // version needed to extract
                    + 2 // general purpose bit flag
                    + 2 // compression method
                    + 2 // last mod file time
                    + 2 // last mod file date
                    + 4 // crc-32
                    + 4 // compressed size
                    + 4 // uncompressed size
            );
            int filenameLength = readBytes(2, input);
            int extraFieldLength = readBytes(2, input);
            int fileCommentLength = readBytes(2, input);
            input.position(input.position() + 2 // disk number start
                    + 2 // internal file attributes
            );
            int externalFileAttributes = readBytes(4, input);
            input.position(input.position() + 4 // relative offset of local header
            );
            ByteBuffer filenameBuffer = ByteBuffer.allocate(filenameLength);
            if (filenameLength != input.read(filenameBuffer)) {
                throw new IOException(String.format(
                        "Could not read file name (length %d) in central directory record", filenameLength));
            }
            input.position(input.position() + extraFieldLength + fileCommentLength);
            entriesFound++;
            if ((versionMadeBy >> 8) == 3) {
                // Zip made by a Unix host - the external file attributes are POSIX permissions.
                String filename = new String(filenameBuffer.array(), StandardCharsets.UTF_8);
                attributes.put(filename, externalFileAttributes);
            }
        }
        if (entriesFound != entryCount) {
            System.err.printf(
                    "WARNING: Expected %d entries in central directory record in '%s', but found %d\n",
                    entryCount, zipFile, entriesFound);
        }
    }
    return attributes.build();
}

From source file:io.airlift.event.client.JsonEventSerializer.java

@Inject
public JsonEventSerializer(Set<EventTypeMetadata<?>> eventTypes) {
    checkNotNull(eventTypes, "eventTypes is null");

    ImmutableMap.Builder<Class<?>, JsonSerializer<?>> map = ImmutableMap.builder();
    for (EventTypeMetadata<?> eventType : eventTypes) {
        map.put(eventType.getEventClass(), new EventJsonSerializer<>(eventType));
    }// w  w w. ja v a  2 s .  c  o m
    this.serializers = map.build();
}

From source file:io.appium.java_client.imagecomparison.OccurrenceMatchingOptions.java

@Override
public Map<String, Object> build() {
    final ImmutableMap.Builder<String, Object> builder = ImmutableMap.builder();
    builder.putAll(super.build());
    ofNullable(threshold).map(x -> builder.put("threshold", x));
    return builder.build();
}

From source file:com.microsoft.thrifty.schema.Typedef.java

Typedef(TypedefElement element, Map<NamespaceScope, String> namespaces) {
    super(element.newName(), namespaces);
    this.element = element;

    ImmutableMap.Builder<String, String> annotationBuilder = ImmutableMap.builder();
    AnnotationElement anno = element.annotations();
    if (anno != null) {
        annotationBuilder.putAll(anno.values());
    }//from  w  w w . j  a v  a 2 s  . c om
    this.annotations = annotationBuilder.build();
}

From source file:org.jooby.rx.ExecSchedulerHook.java

public ExecSchedulerHook(final Map<String, Executor> executors) {
    // we don't want eager initialization of Schedulers
    this.schedulers = Lazy.of(() -> {
        ImmutableMap.Builder<String, Scheduler> schedulers = ImmutableMap.builder();
        executors.forEach((k, e) -> schedulers.put(k, Schedulers.from(e)));
        return schedulers.build();
    });/*from  w  w  w  .  j  av a2s . com*/
}

From source file:org.codice.ddf.catalog.ui.metacard.impl.AbstractSplitter.java

@Override
public final Map<String, Object> getProperties() {
    return new ImmutableMap.Builder<String, Object>().put(Constants.SERVICE_ID, getId())
            .put(ServicePropertiesConstants.MIME_TYPE, new ArrayList<>(getMimeTypes()))
            .putAll(getAdditionalProperties()).build();
}

From source file:edu.cmu.lti.oaqa.baseqa.answer.yesno.scorers.YesNoScorer.java

static ImmutableMap<String, Double> aggregateFeatures(Collection<? extends Number> values, String keyword) {
    ImmutableMap.Builder<String, Double> features = ImmutableMap.builder();
    features.put(keyword + "-sum", values.stream().mapToDouble(Number::doubleValue).sum());
    features.put(keyword + "-avg", values.stream().mapToDouble(Number::doubleValue).average().orElse(0));
    features.put(keyword + "-max", values.stream().mapToDouble(Number::doubleValue).max().orElse(0));
    features.put(keyword + "-min", values.stream().mapToDouble(Number::doubleValue).min().orElse(0));
    return features.build();
}