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:org.robotframework.ide.eclipse.main.plugin.model.RobotVariable.java

@Override
public String getName() {
    return Strings.nullToEmpty(holder.getName());
}

From source file:org.apache.sqoop.submission.spark.LocalSqoopSparkClient.java

public void addResources(String addedFiles) {
    for (String addedFile : CSV_SPLITTER.split(Strings.nullToEmpty(addedFiles))) {
        if (!localFiles.contains(addedFile)) {
            localFiles.add(addedFile);/*from   w  w w . j ava 2  s.  c o m*/
            sc.addFile(addedFile);
        }
    }
}

From source file:com.android.tools.idea.uibuilder.handlers.preference.PreferenceHandler.java

@NotNull
@Override
public String getTitle(@NotNull NlComponent component) {
    return Strings.nullToEmpty(component.getAndroidAttribute(ATTR_TITLE));
}

From source file:org.eclipse.che.ide.ui.smartTree.presentation.DefaultPresentationRenderer.java

private Element createPresentableTextElement(NodePresentation presentation) {
    DivElement textElement = Document.get().createDivElement();

    textElement.setInnerText(Strings.nullToEmpty(presentation.getPresentableText()));
    textElement.setAttribute("style", presentation.getPresentableTextCss());

    //TODO support text colorization

    return textElement;
}

From source file:eu.interedition.text.tei.MilestoneAnnotationGenerator.java

@Override
public boolean accept(XMLStreamReader reader) {
    if (reader.isStartElement()) {
        final QName elementName = reader.getName();
        final String elementNs = Strings.nullToEmpty(elementName.getNamespaceURI());
        boolean handled = false;
        if (NamespaceMapping.TEI_NS_URI.equals(elementNs)) {
            final boolean handledSpanningElement = handleSpanningElements(reader, elementName);
            final boolean handledMilestoneElement = handleMilestoneElements(reader, elementName);
            handled = (handledSpanningElement || handledMilestoneElement);
        }/*from w  w  w  .j a  v  a2  s  . c  om*/
        handledElements.push(handled);
        return !handled;
    } else if (reader.isEndElement()) {
        return !handledElements.pop();
    }
    return true;
}

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

@Override
public ImmutableBitmap getBitmapIndex(BitmapIndexSelector selector) {
    if (extractionFn == null
            && likeMatcher.getSuffixMatch() == LikeDimFilter.LikeMatcher.SuffixMatch.MATCH_EMPTY) {
        // dimension equals prefix
        return selector.getBitmapIndex(dimension, likeMatcher.getPrefix());
    } else if (extractionFn == null && !likeMatcher.getPrefix().isEmpty()) {
        // dimension startsWith prefix and is accepted by likeMatcher.matchesSuffixOnly
        final BitmapIndex bitmapIndex = selector.getBitmapIndex(dimension);

        if (bitmapIndex == null) {
            // Treat this as a column full of nulls
            return likeMatcher.matches(null) ? Filters.allTrue(selector) : Filters.allFalse(selector);
        }/*from  w w  w.  jav  a 2  s .  c o  m*/

        // search for start, end indexes in the bitmaps; then include all matching bitmaps between those points
        final Indexed<String> dimValues = selector.getDimensionValues(dimension);

        final String lower = Strings.nullToEmpty(likeMatcher.getPrefix());
        final String upper = Strings.nullToEmpty(likeMatcher.getPrefix()) + Character.MAX_VALUE;
        final int startIndex; // inclusive
        final int endIndex; // exclusive

        final int lowerFound = bitmapIndex.getIndex(lower);
        startIndex = lowerFound >= 0 ? lowerFound : -(lowerFound + 1);

        final int upperFound = bitmapIndex.getIndex(upper);
        endIndex = upperFound >= 0 ? upperFound + 1 : -(upperFound + 1);

        // Union bitmaps for all matching dimension values in range.
        // Use lazy iterator to allow unioning bitmaps one by one and avoid materializing all of them at once.
        return selector.getBitmapFactory().union(new Iterable<ImmutableBitmap>() {
            @Override
            public Iterator<ImmutableBitmap> iterator() {
                return new Iterator<ImmutableBitmap>() {
                    int currIndex = startIndex;

                    @Override
                    public boolean hasNext() {
                        return currIndex < endIndex;
                    }

                    @Override
                    public ImmutableBitmap next() {
                        while (currIndex < endIndex
                                && !likeMatcher.matchesSuffixOnly(dimValues.get(currIndex))) {
                            currIndex++;
                        }

                        if (currIndex == endIndex) {
                            return bitmapIndex.getBitmapFactory().makeEmptyImmutableBitmap();
                        }

                        return bitmapIndex.getBitmap(currIndex++);
                    }

                    @Override
                    public void remove() {
                        throw new UnsupportedOperationException();
                    }
                };
            }
        });
    } else {
        // fallback
        return Filters.matchPredicate(dimension, selector,
                likeMatcher.predicateFactory(extractionFn).makeStringPredicate());
    }
}

From source file:com.skcraft.launcher.install.HttpDownloader.java

@Override
public synchronized File download(@NonNull List<URL> urls, @NonNull String key, long size, String name) {
    if (urls.isEmpty()) {
        throw new IllegalArgumentException("Can't download empty list of URLs");
    }/*from   w ww  .  jav a2  s . c o  m*/

    String hash = hf.hashString(Strings.nullToEmpty(key) + urls.get(0), Charsets.UTF_8).toString();
    hash = createUniqueKey(hash);
    File tempFile = new File(tempDir, hash.substring(0, 2) + "/" + hash);

    // If the file is already downloaded (such as from before), then don't re-download
    if (!tempFile.exists()) {
        total += size;
        left++;
        queue.add(new HttpDownloadJob(tempFile, urls, size, name != null ? name : tempFile.getName()));
    }

    return tempFile;
}

From source file:org.mitre.oauth2.service.impl.UriEncodedClientUserDetailsService.java

@Override
public UserDetails loadUserByUsername(String clientId) throws UsernameNotFoundException {

    try {//  ww w  .  j  a v  a2 s. co m
        String decodedClientId = UriUtils.decode(clientId, "UTF-8");

        ClientDetailsEntity client = clientDetailsService.loadClientByClientId(decodedClientId);

        if (client != null) {

            String encodedPassword = UriUtils.encodePathSegment(Strings.nullToEmpty(client.getClientSecret()),
                    "UTF-8");

            if (config.isHeartMode() || // if we're running HEART mode turn off all client secrets
                    (client.getTokenEndpointAuthMethod() != null
                            && (client.getTokenEndpointAuthMethod().equals(AuthMethod.PRIVATE_KEY)
                                    || client.getTokenEndpointAuthMethod().equals(AuthMethod.SECRET_JWT)))) {

                // Issue a random password each time to prevent password auth from being used (or skipped)
                // for private key or shared key clients, see #715

                encodedPassword = new BigInteger(512, new SecureRandom()).toString(16);
            }

            boolean enabled = true;
            boolean accountNonExpired = true;
            boolean credentialsNonExpired = true;
            boolean accountNonLocked = true;
            Collection<GrantedAuthority> authorities = new HashSet<>(client.getAuthorities());
            authorities.add(ROLE_CLIENT);

            return new User(decodedClientId, encodedPassword, enabled, accountNonExpired, credentialsNonExpired,
                    accountNonLocked, authorities);
        } else {
            throw new UsernameNotFoundException("Client not found: " + clientId);
        }
    } catch (UnsupportedEncodingException | InvalidClientException e) {
        throw new UsernameNotFoundException("Client not found: " + clientId);
    }

}

From source file:org.jclouds.vsphere.functions.VirtualMachineToSshClient.java

@Override
public SshClient apply(final VirtualMachine vm) {
    SshClient client = null;/*  w w  w.j a  v  a2  s . co m*/
    String clientIpAddress = vm.getGuest().getIpAddress();
    String sshPort = "22";
    while (!vm.getGuest().getToolsStatus().equals(VirtualMachineToolsStatus.toolsOk)
            || clientIpAddress.isEmpty()) {
        int timeoutValue = 1000;
        int timeoutUnits = 500;
        Predicate<String> tester = Predicates2.retry(ipAddressTester, timeoutValue, timeoutUnits,
                TimeUnit.MILLISECONDS);
        boolean passed = false;
        while (vm.getRuntime().getPowerState().equals(VirtualMachinePowerState.poweredOn) && !passed) {
            clientIpAddress = Strings.nullToEmpty(vm.getGuest().getIpAddress());
            passed = tester.apply(clientIpAddress);
        }
    }
    LoginCredentials loginCredentials = LoginCredentials.builder().user("root").password(password).build();
    checkNotNull(clientIpAddress, "clientIpAddress");
    client = sshClientFactory.create(HostAndPort.fromParts(clientIpAddress, Integer.parseInt(sshPort)),
            loginCredentials);
    checkNotNull(client);
    return client;
}

From source file:org.apache.awf.configuration.Configuration.java

/**
 * Retrieve the package under which <code>RequestHandler</code>
 * implementations are to be found, for example "org.apache.awf".
 * //from   w ww  . j a  v  a 2  s . co  m
 * @return the current package name.
 */
public String getHandlerPackage() {
    return Strings.nullToEmpty(handlerPacakge).trim().isEmpty() ? "" : handlerPacakge;
}