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.ericsson.gerrit.plugins.highavailability.forwarder.rest.GsonParser.java

static Object fromJson(String cacheName, String json) {
    Gson gson = new GsonBuilder().create();
    Object key;/*from   ww  w .  j ava2 s.  c o  m*/
    // Need to add a case for 'adv_bases'
    switch (cacheName) {
    case Constants.ACCOUNTS:
        key = gson.fromJson(Strings.nullToEmpty(json).trim(), Account.Id.class);
        break;
    case Constants.GROUPS:
        key = gson.fromJson(Strings.nullToEmpty(json).trim(), AccountGroup.Id.class);
        break;
    case Constants.GROUPS_BYINCLUDE:
    case Constants.GROUPS_MEMBERS:
        key = gson.fromJson(Strings.nullToEmpty(json).trim(), AccountGroup.UUID.class);
        break;
    case Constants.PROJECT_LIST:
        key = gson.fromJson(Strings.nullToEmpty(json), Object.class);
        break;
    default:
        try {
            key = gson.fromJson(Strings.nullToEmpty(json).trim(), String.class);
        } catch (Exception e) {
            key = gson.fromJson(Strings.nullToEmpty(json), Object.class);
        }
    }
    return key;
}

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From source file:org.graylog2.rest.models.alarmcallbacks.AlarmCallbackError.java

@JsonCreator
public static AlarmCallbackError create(@JsonProperty("error") String error) {
    return new AutoValue_AlarmCallbackError(Strings.nullToEmpty(error));
}

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From source file:eu.thebluemountain.customers.dctm.brownbag.badcontentslister.Parent.java

/**
 * The method that does create a new parent
 * @param id carries the system object's identifier
 * @param name is the related object's name
 * @param type is the related object's type
 * @param current indicates whether the parent is the current version
 * @return the matching parent//from www  .  j a va  2 s.c om
 */
public static Parent create(String id, String name, String type, boolean current) {
    return new Parent(Preconditions.checkNotNull(id, "null id supplied"), Strings.nullToEmpty(name),
            Preconditions.checkNotNull(type, "null type supplied"), current);
}

---

From source file:io.macgyver.test.RequestUtil.java

public static Map<String, String> parseFormBody(String body, String encoding) {

    try {//from  ww w .j  a va2  s. co  m
        Map<String, String> m = Maps.newHashMap();

        for (String kv : Splitter.on("&").omitEmptyStrings().split(Strings.nullToEmpty(body))) {

            List<String> kvList = Splitter.on("=").omitEmptyStrings().splitToList(kv);

            if (kvList.size() == 2) {
                m.put(URLDecoder.decode(kvList.get(0), encoding), URLDecoder.decode(kvList.get(1), encoding));
            }

        }

        return m;
    } catch (UnsupportedEncodingException e) {
        throw new RuntimeException(e);
    }
}

---

From source file:com.indeed.imhotep.sql.parser.PeriodParser.java

/**
 * Returns a JodaTime Period object representing the provided string period value.
 * Only first symbol of each field tag is mandatory, the rest of the tag is optional. e.g. 1d = 1 day
 * Spacing between the numbers and tags is optional. e.g. 1d = 1 d
 * Having a tag with no number implies quantity of 1. e.g. d = 1d
 * 'ago' suffix is optional.//  ww w  . ja v  a 2s . co m
 * Commas can optionally separate the period parts.
 */
@Nullable
public static Period parseString(String value) {
    final String cleanedValue = Strings.nullToEmpty(value).toLowerCase();
    Matcher matcher = relativeDatePattern.matcher(cleanedValue);
    if (!matcher.matches()) {
        return null;
    }
    int years = getValueFromMatch(matcher, 1);
    int months = getValueFromMatch(matcher, 2);
    int weeks = getValueFromMatch(matcher, 3);
    int days = getValueFromMatch(matcher, 4);
    int hours = getValueFromMatch(matcher, 5);
    int minutes = getValueFromMatch(matcher, 6);
    int seconds = getValueFromMatch(matcher, 7);
    return new Period(years, months, weeks, days, hours, minutes, seconds, 0);
}

---

From source file:com.ericsson.gerrit.plugins.evictcache.GsonParser.java

static Object fromJson(String cacheName, String json) {
    Gson gson = new GsonBuilder().create();
    Object key;/*from w  ww  .  j  a  v a2 s. c  o  m*/
    // Need to add a case for 'adv_bases'
    switch (cacheName) {
    case ACCOUNTS:
        key = gson.fromJson(Strings.nullToEmpty(json).trim(), Account.Id.class);
        break;
    case GROUPS:
        key = gson.fromJson(Strings.nullToEmpty(json).trim(), AccountGroup.Id.class);
        break;
    case GROUPS_BYINCLUDE:
    case GROUPS_MEMBERS:
        key = gson.fromJson(Strings.nullToEmpty(json).trim(), AccountGroup.UUID.class);
        break;
    case PROJECT_LIST:
        key = gson.fromJson(Strings.nullToEmpty(json), Object.class);
        break;
    default:
        key = gson.fromJson(Strings.nullToEmpty(json).trim(), String.class);
    }
    return key;
}

---

From source file:com.attribyte.relay.HTMLUtil.java

/**
 * Extracts links for external citations and images.
 * @param entry The entry.//from  w  w  w .  ja  va  2  s.c om
 * @param baseURI The URI used to resolve relative links.
 */
public static void extractLinks(final ClientProtos.WireMessage.Entry.Builder entry, final String baseURI) {
    Document doc = Jsoup.parse(entry.getContent(), baseURI);
    Elements links = doc.select("a[href]");
    for (Element link : links) {
        String href = Strings.nullToEmpty(link.attr("href")).trim();
        if (!href.isEmpty()) {
            entry.addCitationsBuilder().setDirection(ClientProtos.WireMessage.Citation.Direction.OUT)
                    .setLink(href);
        }
    }

    Set<String> imageSources = Sets.newHashSetWithExpectedSize(8);

    //Don't replace/duplicate any previously added images...

    if (entry.hasPrimaryImage()) {
        imageSources.add(entry.getPrimaryImage().getOriginalSrc());
    }

    if (entry.getImagesCount() > 0) {
        entry.getImagesList().stream().forEach(image -> imageSources.add(image.getOriginalSrc()));
    }

    Elements images = doc.select("img[src]");
    for (Element image : images) {
        String src = Strings.nullToEmpty(image.attr("src")).trim();
        if (!src.isEmpty() && !imageSources.contains(src)) {
            imageSources.add(src);
            ClientProtos.WireMessage.Image.Builder imageBuilder = entry.addImagesBuilder().setOriginalSrc(src);
            String alt = Strings.nullToEmpty(image.attr("alt")).trim();
            if (!alt.isEmpty()) {
                imageBuilder.setAltText(alt);
            }

            String title = Strings.nullToEmpty(image.attr("title")).trim();
            if (!title.isEmpty()) {
                imageBuilder.setTitle(title);
            }

            imageBuilder.setSize("original");

            String heightStr = Strings.nullToEmpty(image.attr("height")).trim();
            String widthStr = Strings.nullToEmpty(image.attr("width")).trim();
            if (!heightStr.isEmpty() && !widthStr.isEmpty()) {
                Integer height = Ints.tryParse(heightStr);
                Integer width = Ints.tryParse(widthStr);
                if (height != null && width != null) {
                    imageBuilder.setHeight(height).setWidth(width);
                }
            }
        }
    }

    if (!entry.hasPrimaryImage() && entry.getImagesCount() > 0) { //Set the primary image as the first image.
        entry.setPrimaryImage(entry.getImages(0));
    }
}

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From source file:com.kegare.frozenland.util.Version.java

private static void initialize() {
    CURRENT = Optional.of(Strings.nullToEmpty(Frozenland.metadata.version));
    LATEST = Optional.fromNullable(CURRENT.orNull());

    File file = FrozenUtils.getModContainer().getSource();

    if (file != null && file.exists()) {
        if (file.isFile()) {
            String name = FilenameUtils.getBaseName(file.getName());

            if (StringUtils.endsWithIgnoreCase(name, "dev")) {
                DEV_DEBUG = true;/*from w w  w.  j av  a  2s. com*/
            }
        } else if (file.isDirectory()) {
            DEV_DEBUG = true;
        }
    } else if (!FMLForgePlugin.RUNTIME_DEOBF) {
        DEV_DEBUG = true;
    }

    if (Frozenland.metadata.version.endsWith("dev")) {
        DEV_DEBUG = true;
    } else if (DEV_DEBUG) {
        Frozenland.metadata.version += "-dev";
    }
}

---

From source file:org.sonar.scanner.util.ScannerUtils.java

public static String encodeForUrl(@Nullable String url) {
    try {//from w  w  w  . j a  va 2 s  .c om
        return URLEncoder.encode(Strings.nullToEmpty(url), "UTF-8");

    } catch (UnsupportedEncodingException e) {
        throw new IllegalStateException("Encoding not supported", e);
    }
}

---

From source file:ec.tss.tsproviders.utils.ParamBean.java

@Nonnull
public static ImmutableSortedMap<String, String> toSortedMap(@Nullable ParamBean[] params) {
    if (params == null || params.length == 0) {
        return ImmutableSortedMap.of();
    }/*from   www  . j a  v a  2s  .  co m*/
    ImmutableSortedMap.Builder<String, String> b = ImmutableSortedMap.naturalOrder();
    for (ParamBean o : params) {
        b.put(Strings.nullToEmpty(o.key), Strings.nullToEmpty(o.value));
    }
    return b.build();
}

---

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