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

Introduction

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

Prototype

public static boolean isNullOrEmpty(@Nullable String string)

Source Link

Document

Returns true if the given string is null or is the empty string.

Usage

From source file:org.excalibur.core.cloud.api.ProviderFactory.java

@Deprecated
public static Provider instance(String kclass) {
    Preconditions.checkState(!Strings.isNullOrEmpty(kclass));
    return (Provider) new Mirror().on(kclass).invoke().constructor().withoutArgs();
}

From source file:com.google.gerrit.httpd.LoginUrlToken.java

public static String getToken(final HttpServletRequest req) {
    String token = req.getPathInfo();
    if (Strings.isNullOrEmpty(token)) {
        return DEFAULT_TOKEN;
    }//from ww  w  . j  a v  a  2  s.c o  m
    return CharMatcher.is('/').trimLeadingFrom(token);
}

From source file:org.incode.module.base.dom.utils.MessageUtils.java

public static String normalize(final Exception ex) {
    if (ex == null || Strings.isNullOrEmpty(ex.getMessage())) {
        return null;
    }//from   ww  w.  j  av  a2s.  c  om
    String message = ex.getMessage();
    final Matcher matcher = pattern.matcher(message);
    if (matcher.matches()) {
        return matcher.group(1);
    }
    return message;
}

From source file:org.onehippo.cms7.essentials.dashboard.utils.PayloadUtils.java

public static String[] extractValueArray(final String value) {
    if (Strings.isNullOrEmpty(value)) {
        return ArrayUtils.EMPTY_STRING_ARRAY;
    }//  www .  j  av a  2 s.c o m
    final List<String> strings = extractValueList(value);
    return strings.toArray(new String[strings.size()]);
}

From source file:com.zaradai.kunzite.trader.services.md.eod.compact.CompactIO.java

public static String getFilename(String folder, String symbol) {
    checkArgument(!Strings.isNullOrEmpty(folder));
    checkArgument(!Strings.isNullOrEmpty(symbol));

    StringBuilder sb = new StringBuilder(folder);

    if (folder.charAt(folder.length() - 1) != File.separatorChar) {
        sb.append(File.separatorChar);
    }/*from w w  w .  ja v a2  s  .  c o  m*/
    sb.append(symbol);
    sb.append(".");
    sb.append(FILE_EXT);

    return sb.toString();
}

From source file:uapi.helper.ClassHelper.java

public static String makeSetterName(String fieldName, boolean isCollection, boolean isMap) {
    if (Strings.isNullOrEmpty(fieldName)) {
        throw new IllegalArgumentException("The field name can't be empty or null");
    }// w  w w .j  av a 2s  .  c om
    String propName;
    if (fieldName.startsWith(FIELD_PREFIX)) {
        propName = fieldName.substring(1);
    } else {
        propName = fieldName;
    }
    String setterName;
    if (isCollection) {
        propName = WordHelper.singularize(propName);
        setterName = ADD_PREFIX + propName.substring(0, 1).toUpperCase()
                + propName.substring(1, propName.length());
    } else if (isMap) {
        propName = WordHelper.singularize(propName);
        setterName = PUT_PREFIX + propName.substring(0, 1).toUpperCase()
                + propName.substring(1, propName.length());
    } else {
        setterName = SETTER_PREFIX + propName.substring(0, 1).toUpperCase()
                + propName.substring(1, propName.length());
    }
    return setterName;
}

From source file:org.haiku.haikudepotserver.dataobjects.PkgUrlType.java

public static Optional<PkgUrlType> getByCode(ObjectContext context, String code) {
    Preconditions.checkArgument(null != context, "the context must be supplied");
    Preconditions.checkArgument(!Strings.isNullOrEmpty(code), "a code is required to get the url type");
    return getAll(context).stream().filter(put -> put.getCode().equals(code))
            .collect(SingleCollector.optional());
}

From source file:com.palantir.docker.compose.connection.State.java

public static State parseFromDockerComposePs(String psOutput) {
    Preconditions.checkArgument(!Strings.isNullOrEmpty(psOutput), "No container found");
    Matcher matcher = STATE_PATTERN.matcher(psOutput);
    Preconditions.checkState(matcher.find(), "Could not parse status: %s", psOutput);
    String matchedStatus = matcher.group(STATE_INDEX);
    return valueOf(matchedStatus);
}

From source file:com.flipkart.foxtrot.core.util.TableUtil.java

public static String getTableName(final HbaseConfig hbaseConfig, final Table table) {
    if (table.isSeggregatedBackend()) {
        final String tablePrefix = hbaseConfig.getSeggregatedTablePrefix();
        if (!Strings.isNullOrEmpty(tablePrefix)) {
            return String.format("%s%s", tablePrefix, table.getName());
        } else {/*from ww  w .ja v  a 2  s  .  co  m*/
            return table.getName();
        }
    }
    return hbaseConfig.getTableName();
}

From source file:fr.rjoakim.android.jonetouch.util.SharePreferencesUtils.java

public static boolean isAppLocked(Activity activity) {
    return Strings.isNullOrEmpty(getKey(activity));
}