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

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.google.testing.security.firingrange.tests.escape.ServersideEscape.java

@Override
public void service(HttpServletRequest request, HttpServletResponse response) throws IOException {
    String echoedParam = Strings.nullToEmpty(request.getParameter(ECHOED_PARAM));
    String pathInfo = request.getPathInfo().substring(1);
    String[] path = pathInfo.split("/");

    if (CharMatcher.is('/').countIn(pathInfo) != 1) {
        String errorMsg = String.format("Missing escaper :(." + "Got %d, expected 1",
                CharMatcher.is('/').countIn(pathInfo));
        Responses.sendError(response, errorMsg, 400);
        return;//from  ww  w.j av a 2  s. c  o  m
    }

    String template;
    try {
        template = Templates.getTemplate(path[1] + ".tmpl", getClass());
    } catch (IOException e) {
        logger.fine(e.toString());
        Responses.sendError(response, e.getMessage(), 400);
        return;
    }

    if (path[0].equals("escapeHtml")) {
        Responses.sendXssed(response, Templates.replacePayload(template, htmlEscape(echoedParam)));
    } else if (path[0].equals("encodeUrl")) {
        Responses.sendXssed(response, Templates.replacePayload(template, encodeURL(echoedParam)));
    } else {
        Responses.sendError(response, "Unrecognized escaper", 400);
    }
}

From source file:org.iplantc.de.client.desktop.widget.TaskButton.java

@Override
public void setText(String text) {
    if (Strings.nullToEmpty(text).length() > MAX_TEXT_LENGTH) {
        setToolTip(text);//from w w  w  .  j a v a  2 s.  c o  m
    }
    super.setText(Format.ellipse(text, MAX_TEXT_LENGTH));
}

From source file:org.ambraproject.wombat.util.BuildInfo.java

public BuildInfo(String version, String date, String user, String gitCommitIdAbbrev,
        Collection<String> enabledDevFeatures) {
    this.version = Strings.nullToEmpty(version);
    this.date = Strings.nullToEmpty(date);
    this.user = Strings.nullToEmpty(user);
    this.gitCommitIdAbbrev = Strings.nullToEmpty(gitCommitIdAbbrev);
    this.enabledDevFeatures = (enabledDevFeatures == null) ? ImmutableSet.<String>of()
            : ImmutableSet.copyOf(enabledDevFeatures);
}

From source file:io.macgyver.plugin.git.GitRepository.java

public Git cloneInto(File dir, boolean isBare) throws GitAPIException {
    Preconditions.checkNotNull(dir);/*w ww  .  j  a  va  2 s. c  om*/
    Preconditions.checkArgument(dir.exists(), "dir does not exist: " + dir.getAbsolutePath());

    CloneCommand cc = Git.cloneRepository().setURI(url).setBare(isBare).setDirectory(dir)
            .setCloneAllBranches(true);

    if ((!Strings.isNullOrEmpty(username)) || (!Strings.isNullOrEmpty(password))) {
        cc = cc.setCredentialsProvider(new UsernamePasswordCredentialsProvider(Strings.nullToEmpty(username),
                Strings.nullToEmpty(password)));
    }
    Git git = cc.call();
    return git;

}

From source file:com.googlesource.gerrit.plugins.hooks.workflow.action.AddStandardComment.java

private String getCommentChangeEvent(String Action, String prefix, Map<String, String> map) {
    String ret = "";
    String changeNumber = Strings.nullToEmpty(map.get("change-number"));
    if (!changeNumber.isEmpty()) {
        changeNumber += " ";
    }//  w w  w .j  a  va  2s.co m
    ret += "Change " + changeNumber + Action;
    String submitter = formatPerson(prefix, map);
    if (!submitter.isEmpty()) {
        ret += " by " + submitter;
    }
    String subject = Strings.nullToEmpty(map.get("subject"));
    if (!subject.isEmpty()) {
        ret += ":\n" + subject;
    }
    String reason = Strings.nullToEmpty(map.get("reason"));
    if (!reason.isEmpty()) {
        ret += "\n\nReason:\n" + reason;
    }
    String url = Strings.nullToEmpty(map.get("change-url"));
    if (!url.isEmpty()) {
        ret += "\n\n" + its.createLinkForWebui(url, url);
    }
    return ret;
}

From source file:com.hyperion.framework.app.ShowTextActivity.java

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_show_text);

    // Get the message from the Intent.
    Intent intent = getIntent();//from  w w w  .ja  v a2  s  . c  o  m
    String message = Strings.nullToEmpty(intent.getStringExtra(KEY_EXTRA_MESSAGE));

    // Show message.
    ((TextView) findViewById(R.id.show_text_view)).setText(message);
}

From source file:net.anyflow.lannister.httphandler.Sessions.java

@Override
public String service() {
    String filter = Strings.nullToEmpty(httpRequest().parameter("filter"));

    switch (filter) {
    case "":
    case "live":
        return liveString();

    case "all":
        return allString();

    default://from w w  w  .  j  a  va2  s . c o  m
        return null;
    }
}

From source file:org.pentaho.caching.spi.AbstractCacheProvidingService.java

@Override
public <K, V> CompleteConfiguration<K, V> createConfiguration(Class<K> keyType, Class<V> valueType,
        Map<String, String> properties) {
    MutableConfiguration<K, V> configuration = new MutableConfiguration<K, V>();
    configuration.setTypes(keyType, valueType);

    if (properties.containsKey(CONFIG_TTL)) {
        Long ttl = Longs.tryParse(Strings.nullToEmpty(properties.get(CONFIG_TTL)));
        Preconditions.checkArgument(ttl != null, "Template config error", CONFIG_TTL);

        Optional<ExpiryFunction> expiryFunction;
        if (properties.containsKey(CONFIG_TTL_RESET)) {
            expiryFunction = Enums.getIfPresent(ExpiryFunction.class, properties.get(CONFIG_TTL_RESET));
        } else {//  w  ww .  j  a  va  2 s  . c o  m
            expiryFunction = Optional.of(CONFIG_TTL_RESET_DEFAULT);
        }
        Preconditions.checkArgument(expiryFunction.isPresent(), "Template config error", CONFIG_TTL_RESET);

        configuration.setExpiryPolicyFactory(expiryFunction.get().createFactory(ttl));
    }
    if (properties.containsKey(CONFIG_STORE_BY_VALUE)) {
        configuration.setStoreByValue(Boolean.valueOf(properties.get(CONFIG_STORE_BY_VALUE)));
    }
    return configuration;
}

From source file:org.radonix.moted.service.FileService.java

public void loadSource(final File file, final SourceEditor editor) {
    executeTask(new Task<String>() {
        @Override/*from www  .j a v  a2s .  co m*/
        public String atWorking() throws Exception {
            String source = null;
            if (file.exists() && file.isFile()) {
                String ext = Files.getFileExtension(file.getName());
                if (Const.TEXT_FILE_EXTS.contains(ext)) {
                    source = Files.toString(file, Charset.defaultCharset());
                } else {
                    // File type not supported.
                    // TODO
                }
            } else {
                // Cannot find the file.
                // TODO
            }
            return Strings.nullToEmpty(source);
        }

        @Override
        public void onSuccess(String source) {
            editor.setSource(source);
        }

        @Override
        public void onFailure(Exception e) {
            Log.e(TAG, "Cannot read from " + file.getName(), e);
        }
    });
}

From source file:com.github.vbauer.yta.converter.TranslationConverter.java

/**
 * {@inheritDoc}// w  w  w  .j av  a2s . c om
 */
@Nonnull
@Override
protected Translation doForward(@Nonnull final TranslationInfo translationInfo) {
    final String text = Strings.nullToEmpty(Iterables.getFirst(translationInfo.text(), null));
    final Direction direction = DirectionConverter.INSTANCE.convert(translationInfo.lang());
    return Translation.of(direction, text);
}