Example usage for com.google.common.base Strings nullToEmpty

List of usage examples for com.google.common.base Strings nullToEmpty

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Introduction

In this page you can find the example usage for com.google.common.base Strings nullToEmpty.

Prototype

public static String nullToEmpty(@Nullable String string)

Source Link

Document

Returns the given string if it is non-null; the empty string otherwise.

Usage

From source file:com.github.vbauer.yta.service.fraction.impl.DetectionApiImpl.java

/**
 * {@inheritDoc}/*w w w  .  j  ava 2s  . co m*/
 */
@Nonnull
@Override
public Optional<Language> detect(@Nullable final String text, @Nullable final TextFormat format) {
    final Map<String, Object> params = ImmutableMap.<String, Object>builder()
            .put(ATTR_TEXT, Strings.nullToEmpty(text)).put(ATTR_FORMAT, TextFormat.getOrDefault(format).code())
            .build();

    final LanguageInfo data = callMethod(LanguageInfo.class, METHOD_DETECT, params);
    ApiStatus.check(data.code());

    return Preconditions.checkNotNull(LanguageConverter.INSTANCE.convert(data));
}

From source file:org.killbill.commons.skeleton.modules.JerseyBaseServerModule.java

public JerseyBaseServerModule(
        final Map<String, ArrayList<Entry<Class<? extends Filter>, Map<String, String>>>> filters,
        final Map<String, ArrayList<Entry<Class<? extends Filter>, Map<String, String>>>> filtersRegex,
        final Map<String, Class<? extends HttpServlet>> servlets,
        final Map<String, Class<? extends HttpServlet>> servletsRegex,
        final Map<String, Class<? extends HttpServlet>> jaxrsServlets,
        final Map<String, Class<? extends HttpServlet>> jaxrsServletsRegex, final String jaxrsUriPattern,
        final Collection<String> jaxrsResources, final List<String> jerseyFilters,
        final Map<String, String> jerseyParams) {
    super(filters, filtersRegex, servlets, servletsRegex, jaxrsServlets, jaxrsServletsRegex, jaxrsUriPattern,
            jaxrsResources);//from  w  w w  .  ja  v a2  s  .c o  m

    String manuallySpecifiedRequestFilters = Strings
            .nullToEmpty(jerseyParams.remove(JERSEY_CONTAINER_REQUEST_FILTERS));
    String manuallySpecifiedResponseFilters = Strings
            .nullToEmpty(jerseyParams.remove(JERSEY_CONTAINER_RESPONSE_FILTERS));
    if (!jerseyFilters.isEmpty()) {
        if (!manuallySpecifiedRequestFilters.isEmpty()) {
            manuallySpecifiedRequestFilters += ";";
        }
        if (!manuallySpecifiedResponseFilters.isEmpty()) {
            manuallySpecifiedResponseFilters += ";";
        }
    }
    final String containerRequestFilters = manuallySpecifiedRequestFilters + joiner.join(jerseyFilters);
    final String containerResponseFilters = manuallySpecifiedResponseFilters
            + joiner.join(Lists.reverse(jerseyFilters));

    this.jerseyParams = new ImmutableMap.Builder<String, String>();
    if (!containerRequestFilters.isEmpty()) {
        this.jerseyParams.put(JERSEY_CONTAINER_REQUEST_FILTERS, containerRequestFilters);
    }
    if (!containerResponseFilters.isEmpty()) {
        this.jerseyParams.put(JERSEY_CONTAINER_RESPONSE_FILTERS, containerResponseFilters);
    }

    // The LoggingFilter will log the body by default, which breaks StreamingOutput
    final String disableEntityLogging = Objects
            .firstNonNull(Strings.emptyToNull(jerseyParams.remove(JERSEY_DISABLE_ENTITYLOGGING)), "true");
    this.jerseyParams.put(JERSEY_DISABLE_ENTITYLOGGING, disableEntityLogging).putAll(jerseyParams);
}

From source file:ec.tss.TsCollection.java

TsCollection(@Nullable String name, @Nonnull TsMoniker moniker) {
    m_name = Strings.nullToEmpty(name);
    m_moniker = moniker;/*w ww . j av  a 2 s. c  om*/
    m_metadata = null;
    m_ts = new ArrayList<>();
    m_info = m_moniker.getSource() == null ? TsInformationType.UserDefined : TsInformationType.None;
    m_set = null;
    m_invalidDataCause = null;
}

From source file:io.macgyver.core.auth.UserManager.java

public boolean authenticate(String username, String password) {
    try {//from ww  w .  j  av  a 2s  .c om
        String q = "match (u:User) where u.username={username} return u.scryptHash";
        ObjectNode n = new ObjectMapper().createObjectNode();
        n.put("username", username);
        JsonNode userNode = neo4j.execCypher(q, "username", username).toBlocking().firstOrDefault(null);
        if (userNode != null) {

            String hashValue = Strings.emptyToNull(userNode.asText());
            if (hashValue == null) {
                return false;
            }
            try {
                return SCryptUtil.check(password, Strings.nullToEmpty(hashValue));
            } catch (IllegalArgumentException e) {
                // if the hash is invalid, we'll get an
                // IllegalArgumentException
                // This could happen if the hashed password was set to
                // something to prevent login
                // no need to log a whole stack trace for this
                logger.info("auth error: " + e.toString());
                return false;
            }

        } else {
            return false;
        }
    }

    catch (Exception e) {
        logger.warn("auth error", e);
        return false;
    }

}

From source file:io.druid.segment.filter.ExtractionFilter.java

private List<Filter> makeFilters(BitmapIndexSelector selector) {
    Indexed<String> allDimVals = selector.getDimensionValues(dimension);
    final List<Filter> filters = Lists.newArrayList();
    if (allDimVals == null) {
        allDimVals = new Indexed<String>() {
            @Override/*www. ja va2s  .c o m*/
            public Iterator<String> iterator() {
                return null;
            }

            @Override
            public Class<? extends String> getClazz() {
                return null;
            }

            @Override
            public int size() {
                return 1;
            }

            @Override
            public String get(int index) {
                return null;
            }

            @Override
            public int indexOf(String value) {
                return 0;
            }
        };
    }

    for (int i = 0; i < allDimVals.size(); i++) {
        String dimVal = allDimVals.get(i);
        if (value.equals(Strings.nullToEmpty(fn.apply(dimVal)))) {
            filters.add(new SelectorFilter(dimension, dimVal));
        }
    }

    return filters;
}

From source file:net.monofraps.gradlebukkit.extensions.Bukkit.java

public String getArtifactSlug() {
    String artSlug = Strings.nullToEmpty(artifactSlug);
    if (artSlug.isEmpty()) {
        artSlug = "latest";
    }//from   www .ja va  2 s. c om

    if (!getChannel().isEmpty()) {
        artSlug += "-" + getChannel();
    }

    return artSlug;
}

From source file:com.streamsets.datacollector.cluster.YARNStatusParser.java

public String parseStatus(Collection<String> lines) {
    for (String line : lines) {
        for (Pattern pattern : PATTERNS) {
            Matcher matcher = pattern.matcher(line);
            if (matcher.matches()) {
                String input = matcher.group(1);
                String output = Strings.nullToEmpty(STATE_MAP.get(input));
                if (!output.isEmpty()) {
                    return output;
                }// w  ww  .j av  a 2 s  .co m
            }
        }
    }
    String msg = "Could not match any YARN status";
    LOG.error(msg + ":" + Joiner.on("\n").join(lines));
    throw new IllegalStateException(msg + ". See logs.");
}

From source file:org.sonar.core.issue.FieldDiffs.java

public static FieldDiffs parse(@Nullable String s) {
    FieldDiffs diffs = new FieldDiffs();
    if (isNullOrEmpty(s)) {
        return diffs;
    }/*from   w  w w. j  a  va2  s . co  m*/
    Iterable<String> fields = FIELDS_SPLITTER.split(s);
    for (String field : fields) {
        String[] keyValues = field.split("=");
        if (keyValues.length == 2) {
            String[] values = keyValues[1].split("\\|");
            String oldValue = "";
            String newValue = "";
            if (values.length == 1) {
                newValue = Strings.nullToEmpty(values[0]);
            } else if (values.length == 2) {
                oldValue = Strings.nullToEmpty(values[0]);
                newValue = Strings.nullToEmpty(values[1]);
            }
            diffs.setDiff(keyValues[0], oldValue, newValue);
        } else {
            diffs.setDiff(keyValues[0], "", "");
        }
    }
    return diffs;
}

From source file:org.obm.sync.book.Website.java

@Override
public int hashCode() {
    return Objects.hashCode(Strings.nullToEmpty(label).toLowerCase(), url);
}

From source file:com.googlesource.gerrit.plugins.github.wizard.RepositoriesListController.java

@Override
public void doAction(IdentifiedUser user, GitHubLogin hubLogin, HttpServletRequest req,
        HttpServletResponse resp, ControllerErrors errors) throws ServletException, IOException {
    String organisation = req.getParameter("organisation");

    JsonArray jsonRepos = new JsonArray();
    int numRepos = 0;
    PagedIterator<GHRepository> repoIter = getRepositories(hubLogin, organisation).iterator();

    while (repoIter.hasNext() && numRepos < config.repositoryListLimit) {
        GHRepository ghRepository = repoIter.next();
        JsonObject repository = new JsonObject();
        String projectName = organisation + "/" + ghRepository.getName();
        if (projects.get(Project.NameKey.parse(projectName)) == null) {
            repository.add("name", new JsonPrimitive(ghRepository.getName()));
            repository.add("organisation", new JsonPrimitive(organisation));
            repository.add("description",
                    new JsonPrimitive(Strings.nullToEmpty(ghRepository.getDescription())));
            repository.add("private", new JsonPrimitive(ghRepository.isPrivate()));
            jsonRepos.add(repository);/* ww  w  .  j av  a  2 s  .  c  o m*/
            numRepos++;
        }
    }

    resp.getWriter().println(jsonRepos.toString());
}