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:cpw.mods.fml.common.ProxyInjector.java

public static void inject(ModContainer mod, ASMDataTable data, Side side, ILanguageAdapter languageAdapter) {
    FMLLog.fine("Attempting to inject @SidedProxy classes into %s", mod.getModId());
    Set<ASMData> targets = data.getAnnotationsFor(mod).get(SidedProxy.class.getName());
    ClassLoader mcl = Loader.instance().getModClassLoader();

    for (ASMData targ : targets) {
        try {/*from  w w w  . j  ava  2 s .  c  om*/
            Class<?> proxyTarget = Class.forName(targ.getClassName(), true, mcl);
            Field target = proxyTarget.getDeclaredField(targ.getObjectName());
            if (target == null) {
                // Impossible?
                FMLLog.severe("Attempted to load a proxy type into %s.%s but the field was not found",
                        targ.getClassName(), targ.getObjectName());
                throw new LoaderException();
            }
            target.setAccessible(true);

            SidedProxy annotation = target.getAnnotation(SidedProxy.class);
            if (!Strings.isNullOrEmpty(annotation.modId()) && !annotation.modId().equals(mod.getModId())) {
                FMLLog.fine("Skipping proxy injection for %s.%s since it is not for mod %s",
                        targ.getClassName(), targ.getObjectName(), mod.getModId());
                continue;
            }
            String targetType = side.isClient() ? annotation.clientSide() : annotation.serverSide();
            Object proxy = Class.forName(targetType, true, mcl).newInstance();

            if (languageAdapter.supportsStatics() && (target.getModifiers() & Modifier.STATIC) == 0) {
                FMLLog.severe("Attempted to load a proxy type %s into %s.%s, but the field is not static",
                        targetType, targ.getClassName(), targ.getObjectName());
                throw new LoaderException();
            }
            if (!target.getType().isAssignableFrom(proxy.getClass())) {
                FMLLog.severe("Attempted to load a proxy type %s into %s.%s, but the types don't match",
                        targetType, targ.getClassName(), targ.getObjectName());
                throw new LoaderException();
            }
            languageAdapter.setProxy(target, proxyTarget, proxy);
        } catch (Exception e) {
            FMLLog.log(Level.ERROR, e, "An error occured trying to load a proxy into %s.%s",
                    targ.getAnnotationInfo(), targ.getClassName(), targ.getObjectName());
            throw new LoaderException(e);
        }
    }

    // Allow language specific proxy injection.
    languageAdapter.setInternalProxies(mod, side, mcl);
}

From source file:com.picdrop.exception.ApplicationExeptionMapper.java

@Override
protected void log(ErrorMessage msg, Throwable e) {
    Level lvl = msg.lvl;//w w w .j av  a 2 s.  co  m
    if (lvl == null) {
        lvl = msg.status >= 500 ? Level.ERROR : Level.DEBUG;
    }
    String stringMsg = Strings.isNullOrEmpty(msg.devMessage) ? msg.message : msg.devMessage;

    if (e.getCause() == null) {
        this.log.log(lvl, stringMsg);
    } else {
        this.log.log(lvl, stringMsg, e.getCause());
    }
}

From source file:org.xacml4j.v30.StatusCodeIds.java

public static StatusCodeId parse(final String v) {
    Preconditions.checkArgument(!Strings.isNullOrEmpty(v));
    StatusCodeId code = BY_ID.get(v);//from www .  ja v  a2 s.  c  om
    if (code != null) {
        return code;
    }
    return new StatusCodeId() {
        @Override
        public String getId() {
            return v;
        }

        @Override
        public int hashCode() {
            return v.hashCode();
        }

        @Override
        public String toString() {
            return v;
        }

        @Override
        public boolean equals(Object o) {
            if (o == this) {
                return true;
            }
            if (!(o instanceof StatusCodeId)) {
                return false;
            }
            StatusCodeId code = (StatusCodeId) o;
            return code.getId().equals(v);
        }
    };
}

From source file:com.github.avarabyeu.restendpoint.http.IOUtils.java

/**
 * Check whether provided url string is a valid java {@link java.net.URL}
 *
 * @param url URL to be validated//from w  ww. ja  v  a  2s . c  o  m
 * @return TRUE if URL is valid
 */
public static boolean isValidUrl(String url) {
    try {
        if (Strings.isNullOrEmpty(url)) {
            return false;
        }
        new URL(url);
        return true;
    } catch (MalformedURLException e) {
        return false;
    }
}

From source file:org.haiku.haikudepotserver.pkg.model.PkgIconImportArchiveJobSpecification.java

public Collection<String> getSuppliedDataGuids() {
    if (!Strings.isNullOrEmpty(inputDataGuid)) {
        return Collections.singleton(inputDataGuid);
    }/*from  w w  w.  java  2  s . co m*/

    return super.getSuppliedDataGuids();
}

From source file:th.co.geniustree.dental.angular.validator.NameUniqueValidator.java

@Override
public boolean isValid(String value, ConstraintValidatorContext context) {
    if (Strings.isNullOrEmpty(value)) {
        return true;
    }//from  w ww . j  ava  2s .  co  m
    Customer findByNameIgnoreCase = customerRepo.findByNameIgnoreCase(value);
    return findByNameIgnoreCase == null;

}

From source file:org.robobinding.gallery.model.typedcursor.GetAllQuery.java

public GetAllQuery(String tableName, RowMapper<T> rowMapper) {
    Preconditions.checkNotNull(Strings.isNullOrEmpty(tableName), "table name cannot be empty");
    Preconditions.checkNotNull(rowMapper, "row mapper cannot be null");

    this.tableName = tableName;
    this.rowMapper = rowMapper;
}

From source file:org.apache.james.transport.matchers.utils.MailAddressCollectionReader.java

public static Set<MailAddress> read(String condition) {
    Preconditions.checkArgument(!Strings.isNullOrEmpty(condition));
    return FluentIterable.from(Splitter.onPattern("(,| |\t)").split(condition)).filter(new Predicate<String>() {
        @Override/*from w w w.j a  v a  2s  .  c o  m*/
        public boolean apply(String s) {
            return !Strings.isNullOrEmpty(s);
        }
    }).transform(new Function<String, MailAddress>() {
        @Override
        public MailAddress apply(String s) {
            try {
                return new MailAddress(s);
            } catch (AddressException e) {
                throw Throwables.propagate(e);
            }
        }
    }).toSet();
}

From source file:th.co.geniustree.dental.angular.validator.PidUniqueValidator.java

@Override
public boolean isValid(String value, ConstraintValidatorContext context) {
    if (Strings.isNullOrEmpty(value)) {
        return true;
    }/*from  w ww  . jav  a2  s. c  om*/
    Customer findByPidIgnoreCase = customerRepo.findByPidIgnoreCase(value);
    return findByPidIgnoreCase == null;
}

From source file:com.haulmont.cuba.core.sys.AppContextLoader.java

public static void createPersistenceXml(String storeName) {
    String configPropertyName = AppContextLoader.PERSISTENCE_CONFIG;
    String fileName = "persistence.xml";
    if (!Stores.isMain(storeName)) {
        configPropertyName = configPropertyName + "_" + storeName;
        fileName = storeName + "-" + fileName;
    }//from w  ww.  ja  va 2  s.c  o  m

    String configProperty = AppContext.getProperty(configPropertyName);
    if (Strings.isNullOrEmpty(configProperty)) {
        log.debug("Property {} is not set, assuming {} is not a RdbmsStore", configPropertyName, storeName);
        return;
    }

    List<String> files = Splitter.on(AppProperties.SEPARATOR_PATTERN).omitEmptyStrings().trimResults()
            .splitToList(configProperty);
    if (!Stores.isMain(storeName) && !files.contains("base-persistence.xml")) {
        files = new ArrayList<>(files);
        files.add(0, "base-persistence.xml");
    }

    PersistenceConfigProcessor processor = new PersistenceConfigProcessor();
    processor.setStorageName(storeName);
    processor.setSourceFiles(files);

    String dataDir = AppContext.getProperty("cuba.dataDir");
    processor.setOutputFile(dataDir + "/" + fileName);

    processor.create();
}