com.google.common.base.Splitter Java Examples

/**
 * Execute show-ref git command in the local repository and returns a map from reference name to
 * GitReference(SHA-1).
 */
private ImmutableMap<String, GitRevision> showRef(Iterable<String> refs)
    throws RepoException {
  ImmutableMap.Builder<String, GitRevision> result = ImmutableMap.builder();
  CommandOutput commandOutput = gitAllowNonZeroExit(NO_INPUT,
      ImmutableList.<String>builder().add("show-ref").addAll(refs).build(),
      DEFAULT_TIMEOUT);

  if (!commandOutput.getStderr().isEmpty()) {
    throw new RepoException(String.format(
        "Error executing show-ref on %s git repo:\n%s", getGitDir(), commandOutput.getStderr()));
  }

  for (String line : Splitter.on('\n').split(commandOutput.getStdout())) {
    if (line.isEmpty()) {
      continue;
    }
    List<String> strings = Splitter.on(' ').splitToList(line);
    Preconditions.checkState(strings.size() == 2
        && SHA1_PATTERN.matcher(strings.get(0)).matches(), "Cannot parse line: '%s'", line);
    // Ref -> SHA1
    result.put(strings.get(1), new GitRevision(this, strings.get(0)));
  }
  return result.build();
}
 

public ModelMeta resolve(String query) {
    return Splitter.on("::") // Extract embedded Ruby classes
            .splitToList(query)
            .stream()
            .sorted(Comparator.reverseOrder()) // Give priority to descendants
            .filter(byName::containsKey)
            .map(byName::get)
            .findFirst()
            .orElseThrow(() -> new NoSuchModelException("No registered model named '" + query + "'"));
}
 

@Test
public void testPrintOneFile() throws IOException {
  coverage.add(sourceFileCoverage1);
  assertThat(LcovPrinter.print(byteOutputStream, coverage)).isTrue();
  byteOutputStream.close();
  Iterable<String> fileLines = Splitter.on('\n').split(byteOutputStream.toString());
  // Last line of the file will always be a newline.
  assertThat(fileLines).hasSize(TRACEFILE1.size() + 1);
  int lineIndex = 0;
  for (String line : fileLines) {
    if (lineIndex == TRACEFILE1.size()) {
      break;
    }
    assertThat(line).isEqualTo(TRACEFILE1.get(lineIndex++));
  }
}
 

@Test
public void testParamFile() throws IOException {

  final List<String> resources =
      IntStream.range(0, 201).mapToObj(i -> "res" + i).collect(toList());
  assertThat(
          new AaptCommandBuilder(aapt)
              .addParameterableRepeated("-R", resources, workingDirectory)
              .build())
      .containsAtLeast("-R", "@" + workingDirectory.resolve("params-R"));
  assertThat(
          Files.readAllLines(workingDirectory.resolve("params-R"), StandardCharsets.UTF_8)
              .stream()
              .map(Splitter.on(' ')::split)
              .flatMap(Streams::stream)
              .collect(toList()))
      .containsAtLeastElementsIn(resources);
}
 

public Long call() throws Exception {
    for (int i = 0; i < messages.length; i++) {
        boolean error = false;
        ProducerAckMessage ack = new ProducerAckMessage();
        Object[] msg = Splitter.on(MessageSystemConfig.MessageDelimiter).trimResults().splitToList(messages[i]).toArray();
        if (msg.length == 2) {
            ack.setAck((String) msg[0]);
            ack.setMsgId((String) msg[1]);

            if (error) {
                ack.setStatus(ProducerAckMessage.FAIL);
            } else {
                ack.setStatus(ProducerAckMessage.SUCCESS);
                count.incrementAndGet();
            }

            AckTaskQueue.pushAck(ack);
            SemaphoreCache.release(MessageSystemConfig.AckTaskSemaphoreValue);
        }
    }

    barrier.await();
    return count.get();
}
 

public String abbreviatePackagesToSingleLetter(String abbreviatePackage, int availableWidth, FontMetrics fm) {
  String result = abbreviatePackage;
  if (fm.stringWidth(result) > availableWidth) {
    final java.util.List<String> split = Splitter.on('.').splitToList(result);
    int index = 0;
    while (fm.stringWidth(result) > availableWidth && index < split.size() - 1) {
      java.util.List<String> list = new ArrayList<>(split.size());
      for (int i = 0; i < split.size(); i++) {
        final String s = split.get(i);
        list.add(i <= index && s.length() > 0 ? s.substring(0, 1) : s);
      }
      result = Joiner.on(".").join(list);
      index++;
    }
  }
  return result;
}
 

@Override
public RevisionMetadata execute(RevisionMetadata rm, MetadataScrubberConfig unused) {
  List<String> lines = Splitter.on('\n').splitToList(rm.description());
  int startPublicSection = -1;
  int endPublicSection = -1;
  int currentLine = 0;
  for (String line : lines) {
    if (PUBLIC_SECTION_PATTERN.matcher(line).matches()) {
      startPublicSection = currentLine;
      endPublicSection = lines.size();
    } else if (startPublicSection >= 0 && END_PUBLIC_SECTION_PATTERN.matcher(line).matches()) {
      endPublicSection = currentLine;
    }
    ++currentLine;
  }

  String newDesc =
      (startPublicSection >= 0)
          ? Joiner.on("\n").join(lines.subList(startPublicSection + 1, endPublicSection))
          : rm.description();
  return rm.toBuilder().description(newDesc).build();
}
 

@Override
public void run(@NonNull Context context) {
    String contents = context.getContents();
    if (contents == null) {
        return;
    }
    int offset = 0;
    Iterator<String> iterator = Splitter.on('\n').split(contents).iterator();
    String line;
    for (; iterator.hasNext(); offset += line.length() + 1) {
        line = iterator.next();
        if (line.startsWith("#") || line.startsWith(" ")) {
            continue;
        }
        if (line.indexOf('\\') == -1 && line.indexOf(':') == -1) {
            continue;
        }
        int valueStart = line.indexOf('=') + 1;
        if (valueStart == 0) {
            continue;
        }
        checkLine(context, contents, line, offset, valueStart);
    }
}
 

private void notifyPageUpdated(PageCategory pageCategory) {
    CategoryUpdatedMessage message = new CategoryUpdatedMessage();
    message.id = pageCategory.id;
    message.parentId = pageCategory.parentId;
    message.parentIds = pageCategory.parentIds == null ? Lists.newArrayList() : Splitter.on(";").splitToList(pageCategory.parentIds);
    message.displayName = pageCategory.displayName;
    message.description = pageCategory.description;
    message.imageURL = pageCategory.imageURL;
    message.displayOrder = pageCategory.displayOrder;
    message.keywords = pageCategory.keywords == null ? ImmutableList.of() : Splitter.on(";").splitToList(pageCategory.keywords);
    message.tags = pageCategory.tags == null ? ImmutableList.of() : Splitter.on(";").splitToList(pageCategory.tags);
    message.fields = pageCategory.fields == null ? ImmutableMap.of() : JSON.fromJSON(pageCategory.fields, Map.class);
    message.status = pageCategory.status;
    message.ownerId = pageCategory.ownerId;
    message.ownerRoles = pageCategory.ownerRoles == null ? ImmutableList.of() : Splitter.on(";").splitToList(pageCategory.ownerRoles);
    message.groupId = pageCategory.groupId;
    message.groupRoles = pageCategory.groupRoles == null ? ImmutableList.of() : Splitter.on(";").splitToList(pageCategory.groupRoles);
    message.othersRoles = pageCategory.othersRoles == null ? ImmutableList.of() : Splitter.on(";").splitToList(pageCategory.othersRoles);
    message.updatedTime = OffsetDateTime.now();
    message.updatedBy = pageCategory.updatedBy;
    message.createdTime = OffsetDateTime.now();
    message.createdBy = pageCategory.createdBy;
    categoryUpdatedMessageMessagePublisher.publish(message);
}
 

private String generateRequestUrl(String key, Map<String, String> params) {
    List<String> keyParts = Splitter.on('/').trimResults().omitEmptyStrings().splitToList(key);
    if (CollectionValues.isNullOrEmpty(keyParts))
        throw new IllegalArgumentException("key format is invalid: " + key);

    String rawUrl = _serviceUrlPrefix;
    try {
        for (String part : keyParts) {
            rawUrl = StringValues.concatPathParts(rawUrl, URLEncoder.encode(part, Charsets.UTF_8.name()));
        }
    } catch (Exception ex) {
        throw new IllegalArgumentException("Cannot url encode the key: " + key, ex);
    }

    if (MapValues.isNullOrEmpty(params))
        return rawUrl;

    StringBuffer rawUrlBuf = new StringBuffer(rawUrl).append("?");

    for (String paramKey : params.keySet()) {
        rawUrlBuf.append(paramKey).append("=").append(params.get(paramKey)).append("&");
    }

    return StringValues.trimEnd(rawUrlBuf.toString(), '&');
}
 

public List<Attribute<?, ?>> toAttributes(String path, Class<?> from) {
    try {
        List<Attribute<?, ?>> attributes = newArrayList();
        Class<?> current = from;
        for (String pathItem : Splitter.on(".").split(path)) {
            Class<?> metamodelClass = getCachedClass(current);
            Field field = metamodelClass.getField(pathItem);
            Attribute<?, ?> attribute = (Attribute<?, ?>) field.get(null);
            attributes.add(attribute);
            if (attribute instanceof PluralAttribute) {
                current = ((PluralAttribute<?, ?, ?>) attribute).getElementType().getJavaType();
            } else {
                current = attribute.getJavaType();
            }
        }
        return attributes;
    } catch (Exception e) {
        throw new IllegalArgumentException(e);
    }
}
 

/**
 * Get ACLs from a property (get the value then parse and transform it as ACL objects)
 * @param properties key/value pairs that needs to be parsed as ACLs
 * @return list of ACLs
 */
public static List<ACL> getAcls(Map<String, String> properties) {
  String aclStr = properties.get(ZK_ACLS_PROPERTY);
  if (StringUtils.isBlank(aclStr)) {
    return ZooDefs.Ids.OPEN_ACL_UNSAFE;
  }

  List<ACL> acls = new ArrayList<>();
  List<String> aclStrList = Splitter.on(",").omitEmptyStrings().trimResults().splitToList(aclStr);
  for (String unparcedAcl : aclStrList) {
    String[] parts = unparcedAcl.split(":");
    if (parts.length == 3) {
      acls.add(new ACL(parsePermission(parts[2]), new Id(parts[0], parts[1])));
    }
  }
  return acls;
}
 

private static String normalizeLines(String in) {
  Iterable<String> lines = Splitter.on('\n').split(in);
  lines =
      StreamSupport.stream(lines.spliterator(), false)
          .filter(Objects::nonNull)
          .map(
              input -> {
                int end = input.length();
                while (end > 0 && input.charAt(end - 1) <= ' ') {
                  end -= 1;
                }
                return input.substring(0, end);
              })
          .collect(Collectors.toList());
  return Joiner.on('\n').join(lines).trim();
}
 

@Override
public File generateFile(String filePath, Metadata metadata, Logger logger,
      Object... customArgs) throws IOException {
   checkArgument(customArgs.length > 0,
         CsvConfigFileWriter.class.getCanonicalName()
               + " has no args specified");
   List<String> header = checkNotNull(
         Lists.newArrayList(Splitter.on(",").split(
               (String) customArgs[HEADER_INDEX])),
         "Must specify CSV header in args at index = '" + HEADER_INDEX + "'");
   String delim = DEFAULT_DELIM;
   if (customArgs.length > DELIM_INDEX) {
      delim = (String) customArgs[DELIM_INDEX];
   }

   return writeCsvFile(filePath, header, generateRows(header, metadata),
         delim);
}
 

private static void assertOutput(
    String dotGraph, ImmutableSet<String> expectedEdges, boolean colors) {
  List<String> lines =
      Lists.newArrayList(Splitter.on(System.lineSeparator()).omitEmptyStrings().split(dotGraph));

  assertEquals("digraph the_graph {", lines.get(0));

  // remove attributes because we are not interested what styles and colors are default
  if (!colors) {
    lines = lines.stream().map(p -> p.replaceAll(" \\[.*]", "")).collect(Collectors.toList());
  }

  List<String> edges = lines.subList(1, lines.size() - 1);
  edges.sort(Ordering.natural());
  assertEquals(edges, ImmutableList.copyOf(ImmutableSortedSet.copyOf(expectedEdges)));

  assertEquals("}", lines.get(lines.size() - 1));
}
 

@ElFunction(
    prefix = "str",
    name = "splitKV",
    description = "Splits key value pairs into a map"
)
public static Map<String, Field> splitKV(
    @ElParam("string") String string,
    @ElParam("pairSeparator") String separator,
    @ElParam("kvSeparator") String kvSeparator) {
  if (Strings.isNullOrEmpty(string)) {
    return Collections.emptyMap();
  }

  Splitter.MapSplitter splitter = Splitter.on(separator).trimResults().omitEmptyStrings().withKeyValueSeparator(Splitter.on(kvSeparator).limit(2));

  return splitter.split(string).entrySet().stream()
      .collect(Collectors.toMap(Map.Entry::getKey, e -> Field.create(e.getValue())));
}
 

/**
 * Parse a comma-separated list of authentication mechanisms. Each
 * such mechanism should be of the form 'scheme:auth' -- the same
 * syntax used for the 'addAuth' command in the ZK CLI.
 * 
 * @param authString the comma-separated auth mechanisms
 * @return a list of parsed authentications
 * @throws {@link BadAuthFormatException} if the auth format is invalid
 */
public static List<ZKAuthInfo> parseAuth(String authString) throws
    BadAuthFormatException{
  List<ZKAuthInfo> ret = Lists.newArrayList();
  if (authString == null) {
    return ret;
  }
  
  List<String> authComps = Lists.newArrayList(
      Splitter.on(',').omitEmptyStrings().trimResults()
      .split(authString));
  
  for (String comp : authComps) {
    String parts[] = comp.split(":", 2);
    if (parts.length != 2) {
      throw new BadAuthFormatException(
          "Auth '" + comp + "' not of expected form scheme:auth");
    }
    ret.add(new ZKAuthInfo(parts[0],
        parts[1].getBytes(Charsets.UTF_8)));
  }
  return ret;
}
 

/**
 * Build the list of ColumnInfos for the import based on information in the configuration.
 */
@VisibleForTesting
static List<ColumnInfo> buildColumnInfoList(Configuration conf) {

    return Lists.newArrayList(
            Iterables.transform(
                    Splitter.on("|").split(conf.get(COLUMN_INFO_CONFKEY)),
                    new Function<String, ColumnInfo>() {
                        @Nullable
                        @Override
                        public ColumnInfo apply(@Nullable String input) {
                            if (input.isEmpty()) {
                                // An empty string represents a null that was passed in to
                                // the configuration, which corresponds to an input column
                                // which is to be skipped
                                return null;
                            }
                            return ColumnInfo.fromString(input);
                        }
                    }));
}
 

/**
 * 依据等号切分字符串，将 list 处理成 Map
 *
 * @param listIn 想要处理的字符串 list
 * @return 处理好的 Map
 */
public static Map<String, String> listToMap(List<String> listIn) {
    HashMap<String, String> mapOut = new HashMap<>();

    // 抄袭原版加载方式
    Splitter I18N_SPLITTER = Splitter.on('=').limit(2);

    // 遍历拆分
    for (String s : listIn) {
        if (!s.isEmpty() && s.charAt(0) != '#') {
            String[] splitString = Iterables.toArray(I18N_SPLITTER.split(s), String.class);

            if (splitString != null && splitString.length == 2) {
                String s1 = splitString[0];
                String s2 = splitString[1];
                mapOut.put(s1, s2);
            }
        }
    }
    return mapOut;
}
 

/** Returns a path that starts after the experiment id. Probably starts with "assets". */
private String getPathRelativeToExperiment(String path) {
  if (Strings.isNullOrEmpty(path)) {
    return path;
  }
  if (path.startsWith(EXPERIMENTS)) {
    List<String> splitList = Splitter.on('/').splitToList(path);
    StringBuilder experimentPath = new StringBuilder();
    String delimiter = "";
    for (int i = 2; i < splitList.size(); i++) {
      experimentPath.append(delimiter).append(splitList.get(i));
      delimiter = "/";
    }
    return experimentPath.toString();
  }
  return path;
}
 

private static Map<String, String> decodeParameters(String requestBody)
    throws UnsupportedEncodingException {
  Map<String, String> result = new HashMap<>();

  Iterable<String> params = Splitter.on('&').split(requestBody);
  for (String param : params) {
    List<String> pair = Splitter.on('=').splitToList(param);
    String name = pair.get(0);
    String value = URLDecoder.decode(pair.get(1), "UTF-8");
    if (result.containsKey(name)) {
      throw new IllegalArgumentException("Duplicate parameter: " + requestBody);
    }
    result.put(name, value);
  }

  return result;
}
 

@BeforeAll
public static void setup() throws Exception {
  for(Map.Entry<String, EnumMap<TyposquattingStrategies, Set<String>>> kv : expected.entrySet()) {
    try(BufferedReader br = new BufferedReader(new InputStreamReader(new FileInputStream("src/test/resources/typosquat/" + kv.getKey() + ".csv"), StandardCharsets.UTF_8) ) )
    {
      for(String line = null;(line = br.readLine()) != null;) {
        if(line.startsWith("#")) {
          continue;
        }
        Iterable<String> tokens = Splitter.on(",").split(line);
        String name = Iterables.get(tokens, 0);
        String domain = Iterables.get(tokens, 1);
        domain = domain.replaceAll(".com", "");
        EnumMap<TyposquattingStrategies, Set<String>> expectedValues = kv.getValue();
        if(typesToSkip.contains(name)) {
          continue;
        }
        TyposquattingStrategies strategy = TyposquattingStrategies.byName(name);
        assertNotNull(strategy, "Couldn't find " + name);
        Set<String> s = expectedValues.get(strategy);
        if(s == null) {
          s = new HashSet<>();
          expectedValues.put(strategy, s);
        }
        s.add(domain);
      }
    }
  }
}
 

/**
 * Finds the root of the tree node at the given position
 *
 * @param source the node source
 * @return the root, if it exists
 */
private static Optional<TreeNode> findRoot(String rootPosition, PermissionRegistry source) {
    // get the root of the permission vault
    TreeNode root = source.getRootNode();

    // just return the root
    if (rootPosition.equals(".")) {
        return Optional.of(root);
    }

    // get the parts of the node
    List<String> parts = Splitter.on('.').omitEmptyStrings().splitToList(rootPosition);

    // for each part
    for (String part : parts) {

        // check the current root has some children
        if (!root.getChildren().isPresent()) {
            return Optional.empty();
        }

        // get the current roots children
        Map<String, TreeNode> branch = root.getChildren().get();

        // get the new root
        root = branch.get(part);
        if (root == null) {
            return Optional.empty();
        }
    }

    return Optional.of(root);
}
 

public FilterOptions(List<String> options) {
    if (options != null) {
        for (String option : options) {
            List<String> optionKeyAndValue = Splitter.on("=").limit(2).splitToList(option);
            if (optionKeyAndValue.size() == 2) {
                this.options.put(optionKeyAndValue.get(0), optionKeyAndValue.get(1));
            }
        }
    }
}
 

public ManagedHiveSchema(final JobConf jobConf, final HiveReaderProto.HiveTableXattr tableXattr) {
  final java.util.Properties tableProperties = new java.util.Properties();
  HiveUtilities.addProperties(jobConf, tableProperties, HiveReaderProtoUtil.getTableProperties(tableXattr));
  final String fieldNameProp = Optional.ofNullable(tableProperties.getProperty("columns")).orElse("");
  final String fieldTypeProp = Optional.ofNullable(tableProperties.getProperty("columns.types")).orElse("");
  varcharTruncationEnabled = HiveDatasetOptions
      .enforceVarcharWidth(HiveReaderProtoUtil.convertValuesToNonProtoAttributeValues(tableXattr.getDatasetOptionMap()));

  final Iterator<String> fieldNames = Splitter.on(",").trimResults().split(fieldNameProp).iterator();
  final Iterator<TypeInfo> fieldTypes = TypeInfoUtils.getTypeInfosFromTypeString(fieldTypeProp).iterator();

  final Map<String, ManagedSchemaField> schemaFieldMap = new HashMap<>();
  final Map<String, TypeInfo> typeInfoMap = new HashMap<>();
  while (fieldNames.hasNext() && fieldTypes.hasNext()) {
    final String fieldName = fieldNames.next();
    final TypeInfo fieldType = fieldTypes.next();
    ManagedSchemaField field;
    if (fieldType instanceof DecimalTypeInfo) {
      field = ManagedSchemaField.newFixedLenField(fieldName, fieldType.getTypeName(),
        ((DecimalTypeInfo) fieldType).getPrecision(), ((DecimalTypeInfo) fieldType).getScale());
      typeInfoMap.put(fieldName, fieldType);
    } else if (fieldType instanceof BaseCharTypeInfo) {
      if (varcharTruncationEnabled) {
        field = ManagedSchemaField.newFixedLenField(fieldName, fieldType.getTypeName(),
            ((BaseCharTypeInfo) fieldType).getLength(), 0);
        typeInfoMap.put(fieldName, fieldType);
      } else {
        field = ManagedSchemaField.newUnboundedLenField(fieldName, fieldType.getTypeName());
      }
    } else {
      // Extend ManagedSchemaField.java in case granular information has to be stored.
      // No mention of len and scale means it is unbounded. So, we store max values.
      field = ManagedSchemaField.newUnboundedLenField(fieldName, fieldType.getTypeName());
      typeInfoMap.put(fieldName, fieldType);
    }
    schemaFieldMap.put(fieldName, field);
  }
  fieldInfo = CaseInsensitiveMap.newImmutableMap(schemaFieldMap);
  typeInfo = CaseInsensitiveMap.newImmutableMap(typeInfoMap);
}
 

private static JsonNode locateNode(JsonNode tree, DecoderColumnHandle columnHandle)
{
    String mapping = columnHandle.getMapping();
    checkState(mapping != null, "No mapping for %s", columnHandle.getName());

    JsonNode currentNode = tree;
    for (String pathElement : Splitter.on('/').omitEmptyStrings().split(mapping)) {
        if (!currentNode.has(pathElement)) {
            return MissingNode.getInstance();
        }
        currentNode = currentNode.path(pathElement);
    }
    return currentNode;
}
 

@Override
public boolean acceptResponse(Player receiver, ByteArrayDataInput in) {
    String csv = in.readUTF();

    if (csv.isEmpty()) {
        this.callback.supply(ImmutableList.of());
        return true;
    }

    this.callback.supply(ImmutableList.copyOf(Splitter.on(", ").splitToList(csv)));
    return true;
}
 

/**
 * Splits the pattern by '/' into route elements
 * 
 * @return the elements
 */
public List<RouteElement> getElements() {
	List<RouteElement> elements = new ArrayList<RoutePattern.RouteElement>();
	for (String element : Splitter.on("/").split(pathPattern)) {
		elements.add(new RouteElement(element, PLACEHOLDER_PATTERN.matcher(element).matches()));
	}
	if (elements.isEmpty()) {
		System.out.println("");
	}
	elements.remove(0); // Remove the root
	return elements;
}
 

public static Deserializer<CountersMap, String> deserializer() {
  return (String value) -> {
    final Map<String, String> split = Splitter.on("\n").withKeyValueSeparator(SPERATOR).split(value);
    final Map<String, Long> collect = split
      .entrySet()
      .stream()
      .collect(Collectors.toMap(Map.Entry::getKey, entry -> new Long(entry.getValue())));
    return Optional.of(new CountersMap(collect));
  };
}
 

@Override
public void validate(ValidatorContext ctx)
{
  DataElement element = ctx.dataElement();
  Object value = element.getValue();
  String str = String.valueOf(value);
  boolean valid = true;

  try {
    Iterable<String> uriStrings = Splitter.on(",").omitEmptyStrings().trimResults().split(str);

    for (String uriString : uriStrings) {
      URI uri = new URI(uriString);

      if (!uri.getScheme().equalsIgnoreCase(FS_SCHEME)) {
        throw new URISyntaxException(uriString, "Scheme is not FS");
      }
    }
  }
  catch (URISyntaxException e) {
    valid = false;
  }

  if (!valid)
  {
    ctx.addResult(new Message(element.path(), "\"%1$s\" is not a well-formed comma-separated list of URIs", str));
  }
}