Java Code Examples for com.google.common.base.Splitter#split()

public static void packProjectJars(SparkConf conf) throws IOException {
  String classPath = System.getProperty(JAVA_CLASS_PATH);
  String pathSeparator = System.getProperty(PATH_SEPARATOR);
  Splitter splitter = Splitter.on(pathSeparator);
  Iterable<String> split = splitter.split(classPath);
  List<String> list = toList(split);
  List<String> classPathThatNeedsToBeIncluded = removeSparkLibs(list);
  List<String> jars = new ArrayList<String>();
  for (String s : classPathThatNeedsToBeIncluded) {
    if (isJarFile(s)) {
      jars.add(s);
    } else {
      jars.add(createJar(s));
    }
  }
  conf.setJars(jars.toArray(new String[jars.size()]));
}
 

public List<List<String>> processRequest(VoItf vo) {
    List<List<String>> results = Lists.newArrayList();

    final String resp = super.processRequest(vo, null);
    if (!StringUtils.isBlank(resp)) {

        if (resp.trim().startsWith("{")) {//正常响应不会是一个json串
            throw new RuntimeException("sth wrong:" + resp);
        }

        String[] rows = resp.split("\n");
        for (int i = 0; i < rows.length; i++) {
            List<String> eachRow = Lists.newArrayList();
            Splitter splitter = Splitter.on(" ").omitEmptyStrings().trimResults();
            Iterable<String> cols = splitter.split(rows[i]);
            Iterator<String> iterator = cols.iterator();
            while (iterator.hasNext()) {
                eachRow.add(iterator.next());
            }
            results.add(eachRow);
        }
    }
    return results;
}
 

public List<List<String>> processRequest(VoItf vo) {
    List<List<String>> results = Lists.newArrayList();

    final String resp = super.processRequest(vo, null);
    if (!StringUtils.isBlank(resp)) {

        if (resp.trim().startsWith("{")) {//正常响应不会是一个json串
            throw new RuntimeException("sth wrong:" + resp);
        }

        String[] rows = resp.split("\n");
        for (int i = 0; i < rows.length; i++) {
            List<String> eachRow = Lists.newArrayList();
            Splitter splitter = Splitter.on(" ").omitEmptyStrings().trimResults();
            Iterable<String> cols = splitter.split(rows[i]);
            Iterator<String> iterator = cols.iterator();
            while (iterator.hasNext()) {
                eachRow.add(iterator.next());
            }
            results.add(eachRow);
        }
    }
    return results;
}
 

private List<TextObject> partition() {
    List<TextObject> result = new ArrayList<>(this.k);
    if (!breakWords) {
        int maxLength = this.inputSample.length() / (this.k - 1);
        Pattern p = Pattern.compile("\\G\\s*(.{1," + maxLength + "})(?=\\s|$)", Pattern.DOTALL);
        Matcher m = p.matcher(this.inputSample);
        while (m.find())
            result.add(textObjectFactory.create().append(m.group(1)));
    } else {
        Splitter splitter = Splitter.fixedLength(this.k);
        for (String token : splitter.split(this.inputSample.toString())) {
            result.add(textObjectFactory.create().append(token));
        }
    }
    return result;
}
 

private static Path getPathToDockerClient(CommandEnvironment cmdEnv) {
  String path = cmdEnv.getClientEnv().getOrDefault("PATH", "");

  // TODO(philwo): Does this return the correct result if one of the elements intentionally ends
  // in white space?
  Splitter pathSplitter =
      Splitter.on(OS.getCurrent() == OS.WINDOWS ? ';' : ':').trimResults().omitEmptyStrings();

  FileSystem fs = cmdEnv.getRuntime().getFileSystem();

  for (String pathElement : pathSplitter.split(path)) {
    // Sometimes the PATH contains the non-absolute entry "." - this resolves it against the
    // current working directory.
    pathElement = new File(pathElement).getAbsolutePath();
    try {
      for (Path dentry : fs.getPath(pathElement).getDirectoryEntries()) {
        if (dentry.getBaseName().replace(".exe", "").equals("docker")) {
          return dentry;
        }
      }
    } catch (IOException e) {
      continue;
    }
  }

  return null;
}
 

private String pretty(String s) {
  Splitter splitter = Splitter.on('.');
  StringBuilder builder = new StringBuilder();
  for (String split : splitter.split(s)) {
    if (builder.length() == 0 && split.equals(BLUR)) {
      // skip
    } else {
      if (builder.length() != 0) {
        builder.append(' ');
      }
      builder.append(split.substring(0, 1).toUpperCase()).append(split.substring(1));
    }
  }
  return builder.toString();
}
 

private String getTestJar() {
  String property = System.getProperty("java.class.path");
  Splitter splitter = Splitter.on(':');
  for (String s : splitter.split(property)) {
    if (s.endsWith(".jar")) {
      return s;
    }
  }
  throw new RuntimeException("No jars found?");
}
 

private List<String> getList(String controllerConnectionStr) {
  Splitter splitter = Splitter.on(',');
  List<String> results = new ArrayList<String>();
  for (String s : splitter.split(controllerConnectionStr)) {
    results.add(s);
  }
  return results;
}
 

private static String findFileInClassFileUri(URI uri) {
  String classPath = System.getProperty(JAVA_CLASS_PATH);
  String pathSeparator = System.getProperty(PATH_SEPARATOR);
  Splitter splitter = Splitter.on(pathSeparator);
  Iterable<String> split = splitter.split(classPath);
  String path = uri.getPath();
  for (String s : split) {
    if (path.startsWith(s)) {
      return new File(s).getAbsolutePath();
    }
  }
  throw new RuntimeException("Uri [" + uri + "] was not found on the classpath.");
}
 

private static void populateMultimap(SetMultimap<Pattern, Pattern> multimap, String list) throws IOException {
  Splitter tokenSplitter = Splitter.on(",").omitEmptyStrings().trimResults();
  Splitter partSplitter = Splitter.on(".").omitEmptyStrings().trimResults();
  Splitter tableSplitter = Splitter.on("|").omitEmptyStrings().trimResults();

  for (String token : tokenSplitter.split(list)) {

    if (!Strings.isNullOrEmpty(token)) {
      List<String> parts = partSplitter.splitToList(token);
      if (parts.size() > 2) {
        throw new IOException("Invalid token " + token);
      }

      Pattern databasePattern = Pattern.compile(parts.get(0).replace("*", ".*"));
      Set<Pattern> tablePatterns = Sets.newHashSet();
      if (parts.size() == 2) {
        String tables = parts.get(1);
        for (String table : tableSplitter.split(tables)) {
          if (table.equals("*")) {
            // special case, must use ALL_TABLES due to use of set.contains(ALL_TABLES) in multimapContains
            tablePatterns.add(ALL_TABLES);
          } else {
            tablePatterns.add(Pattern.compile(table.replace("*", ".*")));
          }
        }
      } else {
        tablePatterns.add(ALL_TABLES);
      }
      multimap.putAll(databasePattern, tablePatterns);
    }
  }
}
 

private static Table<Long, Long, BigDecimal> parsePerformanceTable() throws IOException {
	Table<Long, Long, BigDecimal> policyConcurrencyValueTable = TreeBasedTable.create();
	List<String> lines = Files.readLines(outputFile(), Charsets.UTF_8);
	Splitter splitter = Splitter.on(";");
	// the 0th. line contains the header, skipping that.
	for (int i = 1; i < lines.size(); i++) {
		Iterable<String> values = splitter.split(lines.get(i));
		Long policies = Long.valueOf(get(values, 0));
		Long concurrency = Long.valueOf(get(values, 1));
		BigDecimal averageValue = new BigDecimal(get(values, 2));
		policyConcurrencyValueTable.put(policies, concurrency, averageValue);
	}
	return policyConcurrencyValueTable;
}
 

@Override
public XmlStringBuilder toXml(Element e) {
  XmlStringBuilder res = XmlStringBuilder.createEmpty();
  String value = e.getProperty("value");
  if (isEmptyOrWhitespace(value)) {
    res.append(XmlStringBuilder.createEmpty().wrap(LineContainers.LINE_TAGNAME));
  } else {
    Splitter splitter = Splitter.on("\n");
    for (String paragraph : splitter.split(value)) {
      res.append(XmlStringBuilder.createEmpty().wrap(LineContainers.LINE_TAGNAME));
      res.append(XmlStringBuilder.createText(paragraph));
    }
  }
  return res.wrap("textarea", "name", e.getProperty("name"));
}
 

@Override
public XmlStringBuilder toXml(Element e) {
  XmlStringBuilder res = XmlStringBuilder.createEmpty();
  String value = e.getProperty("value");
  if (isEmptyOrWhitespace(value)) {
    res.append(XmlStringBuilder.createEmpty().wrap(LineContainers.LINE_TAGNAME));
  } else {
    Splitter splitter = Splitter.on("\n");
    for (String paragraph : splitter.split(value)) {
      res.append(XmlStringBuilder.createEmpty().wrap(LineContainers.LINE_TAGNAME));
      res.append(XmlStringBuilder.createText(paragraph));
    }
  }
  return res.wrap("textarea", "name", e.getProperty("name"));
}
 

@Test
public final void testSize() {
    Splitter s = Splitter.on('.');
    Iterable<String> i = s.split(NAME);
    int n = 0;
    for (@SuppressWarnings("unused") String x : i) {
        ++n;
    }
    assertEquals(n, cn.size());
}
 

public StreetNameSampler() {
    Splitter onTabs = Splitter.on("\t");
    try {
        for (String line : Resources.readLines(Resources.getResource("street-name-seeds"), Charsets.UTF_8)) {
            if (!line.startsWith("#")) {
                Iterator<Multinomial<String>> i = sampler.iterator();
                for (String name : onTabs.split(line)) {
                    i.next().add(name, 1);
                }
            }
        }
    } catch (IOException e) {
        throw new RuntimeException("Couldn't read built-in resource", e);
    }
}
 

/**
 * Returns the sorted list of languages used in the resources.
 */
@NonNull
public SortedSet<String> getLanguages() {
    SortedSet<String> set = new TreeSet<String>();

    // As an optimization we could just look for values since that's typically where
    // the languages are defined -- not on layouts, menus, etc -- especially if there
    // are no translations for it
    Set<String> qualifiers = Sets.newHashSet();

    synchronized (ITEM_MAP_LOCK) {
        for (ListMultimap<String, ResourceItem> map : getMap().values()) {
            for (ResourceItem item : map.values()) {
                qualifiers.add(item.getQualifiers());
            }
        }
    }

    Splitter splitter = Splitter.on('-');
    for (String s : qualifiers) {
        for (String qualifier : splitter.split(s)) {
            if (qualifier.length() == 2 && Character.isLetter(qualifier.charAt(0))
                    && Character.isLetter(qualifier.charAt(1))) {
                set.add(qualifier);
            }
        }
    }

    return set;
}
 

@Test
public void testGenerate() throws Exception {
  DateTime now = DateTime.now(DateTimeZone.UTC).withTimeAtStartOfDay();
  createTlds("tld", "com");

  ImmutableSet<InetAddress> ips =
      ImmutableSet.of(InetAddress.getByName("127.0.0.1"), InetAddress.getByName("::1"));
  HostResource host1 =
      persistResource(newHostResource("ns.foo.tld").asBuilder().addInetAddresses(ips).build());
  HostResource host2 =
      persistResource(newHostResource("ns.bar.tld").asBuilder().addInetAddresses(ips).build());

  ImmutableSet<VKey<HostResource>> nameservers =
      ImmutableSet.of(host1.createVKey(), host2.createVKey());
  // This domain will have glue records, because it has a subordinate host which is its own
  // nameserver. None of the other domains should have glue records, because their nameservers are
  // subordinate to different domains.
  persistResource(newDomainBase("bar.tld").asBuilder()
      .addNameservers(nameservers)
      .addSubordinateHost("ns.bar.tld")
      .build());
  persistResource(newDomainBase("foo.tld").asBuilder()
      .addSubordinateHost("ns.foo.tld")
      .build());
  persistResource(newDomainBase("ns-and-ds.tld").asBuilder()
      .addNameservers(nameservers)
      .setDsData(ImmutableSet.of(DelegationSignerData.create(1, 2, 3, new byte[] {0, 1, 2})))
      .build());
  persistResource(newDomainBase("ns-only.tld").asBuilder()
      .addNameservers(nameservers)
      .build());
  persistResource(newDomainBase("ns-only-client-hold.tld").asBuilder()
      .addNameservers(nameservers)
      .setStatusValues(ImmutableSet.of(StatusValue.CLIENT_HOLD))
      .build());
  persistResource(newDomainBase("ns-only-pending-delete.tld").asBuilder()
      .addNameservers(nameservers)
      .setStatusValues(ImmutableSet.of(StatusValue.PENDING_DELETE))
      .build());
  persistResource(newDomainBase("ns-only-server-hold.tld").asBuilder()
      .addNameservers(nameservers)
      .setStatusValues(ImmutableSet.of(StatusValue.SERVER_HOLD))
      .build());
  // These should be ignored; contacts aren't in DNS, hosts need to be from the same tld and have
  // IP addresses, and domains need to be from the same TLD and have hosts (even in the case where
  // domains contain DS data).
  persistResource(newDomainBase("ds-only.tld").asBuilder()
      .setDsData(ImmutableSet.of(DelegationSignerData.create(1, 2, 3, new byte[] {0, 1, 2})))
      .build());
  persistActiveContact("ignored_contact");
  persistActiveHost("ignored.host.tld");  // No ips.
  persistActiveDomain("ignored_domain.tld");  // No hosts or DS data.
  persistResource(newHostResource("ignored.foo.com").asBuilder().addInetAddresses(ips).build());
  persistResource(newDomainBase("ignored.com")
      .asBuilder()
      .addNameservers(nameservers)
      .setDsData(ImmutableSet.of(DelegationSignerData.create(1, 2, 3, new byte[] {0, 1, 2})))
      .build());

  GenerateZoneFilesAction action = new GenerateZoneFilesAction();
  action.mrRunner = makeDefaultRunner();
  action.bucket = "zonefiles-bucket";
  action.gcsBufferSize = 123;
  action.datastoreRetention = standardDays(29);
  action.dnsDefaultATtl = Duration.standardSeconds(11);
  action.dnsDefaultNsTtl = Duration.standardSeconds(222);
  action.dnsDefaultDsTtl = Duration.standardSeconds(3333);
  action.clock = new FakeClock(now.plusMinutes(2));  // Move past the actions' 2 minute check.

  Map<String, Object> response =
      action.handleJsonRequest(
          ImmutableMap.<String, Object>of("tlds", ImmutableList.of("tld"), "exportTime", now));
  assertThat(response)
      .containsEntry("filenames", ImmutableList.of("gs://zonefiles-bucket/tld-" + now + ".zone"));
  assertThat(response).containsKey("mapreduceConsoleLink");
  assertThat(response.get("mapreduceConsoleLink").toString())
      .startsWith(
          "Mapreduce console: https://backend-dot-projectid.appspot.com"
              + "/_ah/pipeline/status.html?root=");

  executeTasksUntilEmpty("mapreduce");

  GcsFilename gcsFilename =
      new GcsFilename("zonefiles-bucket", String.format("tld-%s.zone", now));
  String generatedFile = new String(readGcsFile(gcsService, gcsFilename), UTF_8);
  // The generated file contains spaces and tabs, but the golden file contains only spaces, as
  // files with literal tabs irritate our build tools.
  Splitter splitter = Splitter.on('\n').omitEmptyStrings();
  Iterable<String> generatedFileLines = splitter.split(generatedFile.replaceAll("\t", " "));
  Iterable<String> goldenFileLines = splitter.split(loadFile(getClass(), "tld.zone"));
  // The first line needs to be the same as the golden file.
  assertThat(generatedFileLines.iterator().next()).isEqualTo(goldenFileLines.iterator().next());
  // The remaining lines can be in any order.
  assertThat(generatedFileLines).containsExactlyElementsIn(goldenFileLines);
}
 

private void load(AppComponent component) {
    Document doc = getDescriptorDoc(component);

    String dependsOnAttr = doc.getRootElement().attributeValue("dependsOn");
    if (!StringUtils.isEmpty(dependsOnAttr)) {
        for (String depCompId : splitCommaSeparatedValue(dependsOnAttr)) {
            AppComponent depComp = get(depCompId);
            if (depComp == null) {
                depComp = new AppComponent(depCompId);
                load(depComp);
                components.add(depComp);
            }
            component.addDependency(depComp);
        }
    }

    for (Element moduleEl : doc.getRootElement().elements("module")) {
        String blocksAttr = moduleEl.attributeValue("blocks");
        if (StringUtils.isEmpty(blocksAttr)) {
            continue;
        }
        List<String> blocks = splitCommaSeparatedValue(blocksAttr);
        if (blocks.contains("*") || blocks.contains(block)) {
            for (Element propertyEl : moduleEl.elements("property")) {
                String name = propertyEl.attributeValue("name");
                String value = propertyEl.attributeValue("value");
                String existingValue = component.getProperty(name);

                if (value.startsWith("\\+")) {
                    if (existingValue != null) {
                        log.debug("Overwrite value of property {} from {} to {}", name, existingValue, value);
                    }

                    component.setProperty(name, value.substring(1), false);
                    continue;
                }

                if (!value.startsWith("+")) {
                    if (existingValue != null) {
                        log.debug("Overwrite value of property {} from {} to {}", name, existingValue, value);
                    }

                    component.setProperty(name, value, false);
                    continue;
                }

                String cleanValue = value.substring(1);

                if (existingValue != null) {
                    StringBuilder newValue = new StringBuilder(existingValue);
                    Splitter splitter = Splitter.on(AppProperties.SEPARATOR_PATTERN).omitEmptyStrings();
                    List<String> existingParts = splitter.splitToList(existingValue);
                    for (String part : splitter.split(cleanValue)) {
                        if (!existingParts.contains(part)) {
                            newValue.append(" ").append(part);
                        }
                    }
                    component.setProperty(name, newValue.toString(), true);
                } else {
                    component.setProperty(name, cleanValue, true);
                }
            }
        }
    }
}
 

@VisibleForTesting
@Nullable
static String getNamedDependency(@NonNull String expression) {
    //if (value.startsWith("group: 'com.android.support', name: 'support-v4', version: '21.0.+'"))
    if (expression.indexOf(',') != -1 && expression.contains("version:")) {
        String artifact = null;
        String group = null;
        String version = null;
        Splitter splitter = Splitter.on(',').omitEmptyStrings().trimResults();
        for (String property : splitter.split(expression)) {
            int colon = property.indexOf(':');
            if (colon == -1) {
                return null;
            }
            char quote = '\'';
            int valueStart = property.indexOf(quote, colon + 1);
            if (valueStart == -1) {
                quote = '"';
                valueStart = property.indexOf(quote, colon + 1);
            }
            if (valueStart == -1) {
                // For example, "transitive: false"
                continue;
            }
            valueStart++;
            int valueEnd = property.indexOf(quote, valueStart);
            if (valueEnd == -1) {
                return null;
            }
            String value = property.substring(valueStart, valueEnd);
            if (property.startsWith("group:")) {
                group = value;
            } else if (property.startsWith("name:")) {
                artifact = value;
            } else if (property.startsWith("version:")) {
                version = value;
            }
        }

        if (artifact != null && group != null && version != null) {
            return group + ':' + artifact + ':' + version;
        }
    }

    return null;
}
 

private List<TriggerBean> parseProp(String triggers) {
    Splitter splitter = Splitter.on('\n').omitEmptyStrings().trimResults();
    String lastTriggerId = null;
    TriggerBean triggerBean = null;
    List<TriggerBean> triggerBeans = Lists.newArrayList();

    for (String line : splitter.split(triggers)) {
        if (line.startsWith("#")) continue;

        int keyPos = indexOfAny(line, ':', '=');
        if (keyPos < 0) continue;

        String key = trim(substring(line, 0, keyPos));
        if (isBlank(key)) continue;

        String value = trim(substring(line, keyPos + 1));
        if (isBlank(value)) continue;

        int lastDotPos = key.lastIndexOf('.');
        if (lastDotPos < 0) continue;

        String triggerId = key.substring(0, lastDotPos);
        String property = key.substring(lastDotPos + 1);

        if (!triggerId.equalsIgnoreCase(lastTriggerId)) {
            lastTriggerId = triggerId;

            triggerBean = new TriggerBean();
            triggerBeans.add(triggerBean);
        }

        if ("name".equalsIgnoreCase(property)) {
            triggerBean.setName(value);
        } else if ("scheduler".equalsIgnoreCase(property)) {
            triggerBean.setScheduler(value);
        } else if ("jobClass".equalsIgnoreCase(property)) {
            triggerBean.setJobClass(value);
        } else if ("triggerDataMap".equalsIgnoreCase(property)) {
            triggerBean.setTriggerDataMap(value);
        } else if ("startDelay".equalsIgnoreCase(property)) {
            triggerBean.setStartDelay(Long.parseLong(value));
        }
    }

    return triggerBeans;
}