Examples with Joiner com.google.common.base.Joiner used on opensource projects

Example 36 with Joiner

use of com.google.common.base.Joiner in project graylog2-server by Graylog2.

the class JsonExtractor method parseValue.

private Collection<Entry> parseValue(String key, Object value) {
    final String processedKey = parseKey(key);
    if (value instanceof Boolean) {
        return Collections.singleton(Entry.create(processedKey, value));
    } else if (value instanceof Number) {
        return Collections.singleton(Entry.create(processedKey, value));
    } else if (value instanceof String) {
        return Collections.singleton(Entry.create(processedKey, value));
    } else if (value instanceof Map) {
        @SuppressWarnings("unchecked") final Map<String, Object> map = (Map<String, Object>) value;
        final Map<String, Object> withoutNull = Maps.filterEntries(map, REMOVE_NULL_PREDICATE);
        if (flatten) {
            final Joiner.MapJoiner joiner = Joiner.on(listSeparator).withKeyValueSeparator(kvSeparator);
            return Collections.singleton(Entry.create(processedKey, joiner.join(withoutNull)));
        } else {
            final List<Entry> result = new ArrayList<>(map.size());
            for (Map.Entry<String, Object> entry : map.entrySet()) {
                result.addAll(parseValue(processedKey + keySeparator + entry.getKey(), entry.getValue()));
            }
            return result;
        }
    } else if (value instanceof List) {
        final List values = (List) value;
        final Joiner joiner = Joiner.on(listSeparator).skipNulls();
        return Collections.singleton(Entry.create(processedKey, joiner.join(values)));
    } else if (value == null) {
        // Ignore null values so we don't try to create fields for that in the message.
        return Collections.emptySet();
    } else {
        LOG.debug("Unknown type \"{}\" in key \"{}\"", value.getClass(), key);
        return Collections.emptySet();
    }
}

Example 37 with Joiner

use of com.google.common.base.Joiner in project Cloud9 by lintool.

the class IntegrationUtils method exec.

// How to properly shell out: http://www.javaworld.com/javaworld/jw-12-2000/jw-1229-traps.html
public static PairOfStrings exec(String cmd) throws IOException, InterruptedException {
    System.out.println("Executing command: " + cmd);
    Runtime rt = Runtime.getRuntime();
    Process proc = rt.exec(cmd);
    // any error message?
    StreamGobbler errorGobbler = new StreamGobbler(proc.getErrorStream(), "STDERR");
    // any output?
    StreamGobbler outputGobbler = new StreamGobbler(proc.getInputStream(), "STDOUT");
    // kick them off
    errorGobbler.start();
    outputGobbler.start();
    // any error???
    int exitVal = proc.waitFor();
    System.out.println("ExitValue: " + exitVal);
    Joiner joiner = Joiner.on("\n");
    return Pair.of(joiner.join(outputGobbler.getLines()), joiner.join(errorGobbler.getLines()));
}

Example 38 with Joiner

use of com.google.common.base.Joiner in project alluxio by Alluxio.

the class URIUtils method generateQueryString.

/**
   * Generates a query string from a {@link Map <String, String>} of key/value pairs.
   *
   * @param queryMap the map of query key/value pairs
   * @return the generated query string, null if the input map is null or empty
   */
public static String generateQueryString(Map<String, String> queryMap) {
    if (queryMap == null || queryMap.isEmpty()) {
        return null;
    }
    ArrayList<String> pairs = new ArrayList<>(queryMap.size());
    try {
        for (Map.Entry<String, String> entry : queryMap.entrySet()) {
            pairs.add(URLEncoder.encode(entry.getKey(), "UTF-8") + QUERY_KEY_VALUE_SEPARATOR + URLEncoder.encode(entry.getValue(), "UTF-8"));
        }
    } catch (UnsupportedEncodingException e) {
        throw new RuntimeException(e);
    }
    Joiner joiner = Joiner.on(QUERY_SEPARATOR);
    return joiner.join(pairs);
}

Example 39 with Joiner

use of com.google.common.base.Joiner in project google-cloud-java by GoogleCloudPlatform.

the class ResourceManagerExample method addUsage.

private static void addUsage(String actionName, ResourceManagerAction action, StringBuilder usage) {
    usage.append(actionName);
    Joiner joiner = Joiner.on(" ");
    String[] requiredParams = action.getRequiredParams();
    if (requiredParams.length > 0) {
        usage.append(' ');
        joiner.appendTo(usage, requiredParams);
    }
    String[] optionalParams = action.getOptionalParams();
    if (optionalParams.length > 0) {
        usage.append(" [");
        joiner.appendTo(usage, optionalParams);
        usage.append(']');
    }
}

Example 40 with Joiner

use of com.google.common.base.Joiner in project jackrabbit-oak by apache.

the class DataStoreCheckCommand method retrieveBlobReferences.

private static void retrieveBlobReferences(GarbageCollectableBlobStore blobStore, BlobReferenceRetriever marker, File marked) throws IOException {
    final BufferedWriter writer = Files.newWriter(marked, Charsets.UTF_8);
    final AtomicInteger count = new AtomicInteger();
    boolean threw = true;
    try {
        final Joiner delimJoiner = Joiner.on(DELIM).skipNulls();
        final GarbageCollectableBlobStore finalBlobStore = blobStore;
        System.out.println("Starting dump of blob references");
        Stopwatch watch = createStarted();
        marker.collectReferences(new ReferenceCollector() {

            @Override
            public void addReference(String blobId, String nodeId) {
                try {
                    Iterator<String> idIter = finalBlobStore.resolveChunks(blobId);
                    while (idIter.hasNext()) {
                        String id = delimJoiner.join(idIter.next(), nodeId);
                        count.getAndIncrement();
                        writeAsLine(writer, id, true);
                    }
                } catch (Exception e) {
                    throw new RuntimeException("Error in retrieving references", e);
                }
            }
        });
        writer.flush();
        sort(marked, new Comparator<String>() {

            @Override
            public int compare(String s1, String s2) {
                return s1.split(DELIM)[0].compareTo(s2.split(DELIM)[0]);
            }
        });
        System.out.println(count.get() + " blob references found");
        System.out.println("Finished in " + watch.elapsed(TimeUnit.SECONDS) + " seconds");
        threw = false;
    } finally {
        close(writer, threw);
    }
}