Java Code Examples for com.google.common.base.Splitter

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();
}
 

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;
}
 

@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();
}
 

@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++));
  }
}
 

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 + "'"));
}
 

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;
}
 

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);
}
 

@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 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);
    }
}
 

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));
}
 

/** 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;
}
 

/**
 * 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();
}
 

/**
 * 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;
}
 

/**
 * 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);
                        }
                    }));
}
 

/**
 * 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;
}
 

@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())));
}
 

/**
 * 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;
}
 

@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);
}
 

@VisibleForTesting
// Copies files referenced in "Class-Path" of Jar's MANIFEST.MF to the target directory. Assumes
// files are present at relative paths and that relative path should be preserved in the staged
// directory.
static void copyArtifactJarClasspath(
    AppYamlProjectStageConfiguration config, CopyService copyService) throws IOException {
  Path artifact = config.getArtifact();
  Path targetDirectory = config.getStagingDirectory();
  try (JarFile jarFile = new JarFile(artifact.toFile())) {
    String jarClassPath =
        jarFile.getManifest().getMainAttributes().getValue(Attributes.Name.CLASS_PATH);
    if (jarClassPath == null) {
      return;
    }
    Iterable<String> classpathEntries = Splitter.onPattern("\\s+").split(jarClassPath.trim());
    for (String classpathEntry : classpathEntries) {
      // classpath entries are relative to artifact's position and relativeness should be
      // preserved
      // in the target directory
      Path jarSrc = artifact.getParent().resolve(classpathEntry);
      if (!Files.isRegularFile(jarSrc)) {
        log.warning("Could not copy 'Class-Path' jar: " + jarSrc + " referenced in MANIFEST.MF");
        continue;
      }
      Path jarTarget = targetDirectory.resolve(classpathEntry);

      if (Files.exists(jarTarget)) {
        log.fine(
            "Overwriting 'Class-Path' jar: "
                + jarTarget
                + " with "
                + jarSrc
                + " referenced in MANIFEST.MF");
      }
      copyService.copyFileAndReplace(jarSrc, jarTarget);
    }
  }
}
 

@Override
public Set<String> get() {
  try {
    try (InputStream inputStream = getClass().getResourceAsStream("SQL_RESERVED_WORDS.txt")) {
      if (inputStream == null) {
        throw new RuntimeException("Could not find resource: [SQL_RESERVED_WORDS.txt] near [" + getClass() + "]");
      }
      try (InputStreamReader streamReader = new InputStreamReader(inputStream, "UTF-8")) {
        HashSet<String> sqlReservedWords = Sets.newHashSet(Splitter.on("\r\n").split(CharStreams.toString(streamReader)));

        // temporary removal of words we currently have to allow
        sqlReservedWords.remove("TYPE");  // DB2
        sqlReservedWords.remove("OPERATION"); // DB2, SQL Server "future", PostGres
        sqlReservedWords.remove("METHOD"); // PostGres
        sqlReservedWords.remove("LANGUAGE"); // DB2, ODBC (?), SQL Server "future", PostGres
        sqlReservedWords.remove("LOCATION"); // PostGres
        sqlReservedWords.remove("YEAR"); // DB2, ODBC (?), SQL Server "future", PostGres
        sqlReservedWords.remove("DAY"); // DB2, ODBC (?), SQL Server "future", PostGres
        sqlReservedWords.remove("SECURITY"); // DB2, PostGres

        return ImmutableSet.copyOf(sqlReservedWords);
      }
    }
  } catch (IOException e) {
    throw new RuntimeException("Failed to load [SQL_RESERVED_WORDS.txt]", e);
  }
}
 

private void getFriendsList(int page, final List<User> users) {
	getGameListener().sendAndIgnoreMultiple("/friends " + page, "friends.list.title", 2, "friends.list.page_not_found", new Callback<IMultiPatternResult>() {
		@Override
		public void call(IMultiPatternResult callback) {
			IPatternResult pages = callback.parseKey("friends.list.title");
			final int currentPage = pages.get(1) == null ? 1 : Integer.parseInt(pages.get(1));
			int totalPages = pages.get(2) == null ? 1 : Integer.parseInt(pages.get(2));
			if (callback.getRemainingMessageCount() == 0)
				return;
			String message = callback.getMessage(0);
			List<String> list = Splitter.on(", ").splitToList(message.substring(6));
			for (String name : list) {
				String strippedName = ChatColor.stripColor(name);
				if (name.startsWith(ChatColor.GREEN.toString())) {
					getGameListener().getOnlineFriends().add(strippedName);
				}
				if (!The5zigMod.getFriendManager().isFriend(strippedName) && !The5zigMod.getFriendManager().isSuggested(strippedName)) {
					users.add(new User(strippedName, null));
				}
			}

			if (currentPage == totalPages) {
				if (!users.isEmpty()) {
					The5zigMod.getNetworkManager().sendPacket(new PacketUserSearch(PacketUserSearch.Type.FRIEND_LIST, users.toArray(new User[users.size()])));
				}
			} else {
				The5zigMod.getScheduler().postToMainThread(new Runnable() {
					@Override
					public void run() {
						getFriendsList(currentPage + 1, users);
					}
				}, true);
			}
		}
	});
}
 

static Collection<Scenario.Type> getScenarios(EnvStore envStore) {
  Collection<String> rawVals = Splitter.on(',').trimResults().splitToList(
      envStore.getOptional(SCENARIOS_ENV_KEY, Scenario.Type.YAML.toString()));
  Collection<Scenario.Type> scenarios = new ArrayList<>();
  for (String rawVal : rawVals) {
    try {
      scenarios.add(Scenario.Type.valueOf(rawVal.toUpperCase()));
    } catch (Exception e) { // SUPPRESS CHECKSTYLE IllegalCatch
      throw new IllegalArgumentException(String.format(
          "Unable to parse %s value '%s'. Expected one of: %s",
          SCENARIOS_ENV_KEY, rawVal, Arrays.asList(Scenario.Type.values())));
    }
  }
  return scenarios;
}
 

private static void addSecondaryLines(TestIssue issue, String value) {
  List<Integer> secondaryLines = new ArrayList<>();
  if (!"".equals(value)) {
    for (String secondary : Splitter.on(',').split(value)) {
      secondaryLines.add(lineValue(issue.line(), secondary));
    }
  }
  issue.secondary(secondaryLines);
}
 

/**
 * Creates a new comment object
 *
 * @param id The id of the comment.
 * @param user The user of the comment.
 * @param parent The id of a potential parent comment, can be null.
 * @param comment The actual comment string.
 */
public CComment(final Integer id, final IUser user, final IComment parent, final String comment) {
  Preconditions.checkArgument(((id == null) || (id > 0)),
      "Error: id can only be larger then zero or null");
  this.id = id;
  this.user = Preconditions.checkNotNull(user, "IE02631: user argument can not be null");
  this.parent = parent;
  this.comment = Preconditions.checkNotNull(comment, "IE02632: comment argument can not be null");
  Preconditions.checkArgument(!comment.isEmpty(), "Error: comment must be a non empty string");
  List<String> linesList = Splitter.on('\n').splitToList(comment);
  lines = linesList.toArray(new String[linesList.size()]);
 }
 

@Test
public void forLoopNestedFor() {
  TagNode tagNode = (TagNode) fixture("nested-fors");
  assertThat(
      Splitter
        .on("\n")
        .trimResults()
        .omitEmptyStrings()
        .split(tag.interpret(tagNode, interpreter))
    )
    .contains("02", "03", "12", "13");
}
 

private static Sort toSort(String jmapSort) {
    Preconditions.checkNotNull(jmapSort);
    List<String> splitToList = Splitter.on(SEPARATOR).splitToList(jmapSort);
    checkField(splitToList);
    return new SearchQuery.Sort(getSortClause(splitToList.get(0)),
        isReverse(splitToList));
}
 

public String getColumnName() {
    String fullNameToken = getNameToken().image;

    List<String> parts = Splitter.on('.').splitToList(fullNameToken);
    if (parts.size() == 2) {
        return parts.get(1);
    }

    return parts.get(0);
}