Example usage for java.lang String isEmpty

Introduction

In this page you can find the example usage for java.lang String isEmpty.

Prototype

public boolean isEmpty() 

Source Link

Document

Returns true if, and only if, #length() is 0 .

Usage

From source file:com.galenframework.parser.Expectations.java

public static List<String> readAllWords(String arguments) {
    List<String> words = new LinkedList<String>();
    StringCharReader reader = new StringCharReader(arguments);

    ExpectWord expectWord = new ExpectWord();

    while (reader.hasMoreNormalSymbols()) {
        String word = expectWord.read(reader);
        if (!word.isEmpty()) {
            words.add(word);//w w  w .j a  v a2s  .co  m
        }
    }

    return words;
}

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From source file:hr.fer.spocc.export.DotExporter.java

public static String toDotString(ParseTree parseTree, String graphName) {
    Validate.isTrue(!graphName.isEmpty() && StringUtils.isAlphanumeric(graphName)
            && Character.isLetter(graphName.charAt(0)));
    StringBuilder dotString = new StringBuilder();
    dotString.append("digraph ").append(graphName).append(" {\n");
    Map<ParseTreeNode, String> nodePrefixMap = new LinkedHashMap<ParseTreeNode, String>();
    toDotNodes(parseTree.getRoot(), new StringBuilder(), nodePrefixMap, dotString);
    toDotEdges(parseTree.getRoot(), nodePrefixMap, dotString);
    dotString.append("}\n");
    return dotString.toString();
}

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From source file:io.teak.sdk.DebugConfiguration.java

@SuppressWarnings("unused")
public static void addExternalDebugInfo(String key, Object value) {
    if (key == null || key.isEmpty()) {
        Log.e(LOG_TAG, "key can not be null or empty for addExternalDebugInfo(), ignoring.");
        return;//from  ww  w  . j a v  a 2  s  .c  om
    }

    try {
        if (value == null || value.toString() == null || value.toString().isEmpty()) {
            Log.e(LOG_TAG, "value can not be null or empty for addExternalDebugInfo(), ignoring.");
            return;
        }
    } catch (Exception e) {
        Log.e(LOG_TAG, "Error occured while converting value to string in addExternalDebugInfo(), ignoring.");
        return;
    }

    DebugConfiguration.externalDebugInfo.put(key, value);
}

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From source file:Main.java

public static byte[] encryptMsg(String msg, RSAPublicKeySpec pubKeySpec) {
    if (msg != null && pubKeySpec != null && !msg.isEmpty()) {
        try {/*from   w  w w. ja va  2  s . c  o m*/
            Log.w(TAG, "msg is: " + msg + " with length " + msg.length());
            KeyFactory fact = KeyFactory.getInstance("RSA");

            PublicKey pubKey = fact.generatePublic(pubKeySpec);

            // TODO encrypt the message and send it
            // Cipher cipher = Cipher.getInstance("RSA/None/NoPadding");
            Cipher cipher = Cipher.getInstance("RSA/ECB/PKCS1Padding");
            // Cipher cipher =
            // Cipher.getInstance("RSA/None/OAEPWithSHA1AndMGF1Padding",
            // "BC");
            cipher.init(Cipher.ENCRYPT_MODE, pubKey);
            Log.d(TAG, "cipher block size is " + cipher.getBlockSize());
            byte[] msgByteArray = msg.getBytes();
            byte[] cipherData = new byte[cipher.getOutputSize(msgByteArray.length)];
            cipherData = cipher.doFinal(msgByteArray);
            Log.d(TAG, "output size is " + cipher.getOutputSize(msgByteArray.length));
            Log.d(TAG, "is the measurement already broken into chunks here? " + (new String(cipherData)));
            return cipherData;

        } catch (NoSuchAlgorithmException e) {
            Log.e(TAG, "RSA algorithm not available", e);
        } catch (InvalidKeySpecException e) {
            Log.e(TAG, "", e);
        } catch (NoSuchPaddingException e) {
            Log.e(TAG, "", e);
        } catch (InvalidKeyException e) {
            Log.e(TAG, "", e);
        } catch (BadPaddingException e) {
            Log.e(TAG, "", e);
        } catch (IllegalBlockSizeException e) {
            Log.e(TAG, "", e);
        } catch (Exception e) {
            Log.e(TAG, "", e);
        } /*
           * catch (NoSuchProviderException e) { Log.e(TAG, "", e); }
           */
    }
    return null;
}

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From source file:com.atypon.wayf.request.RequestReader.java

public static String readRequiredPathParameter(RoutingContext routingContext, String argumentName,
        String argDescription) {//from   w ww .ja  va2 s .com
    String parameter = readPathArgument(routingContext, argumentName);

    if (parameter == null || parameter.isEmpty()) {
        throw new ServiceException(HttpStatus.SC_BAD_REQUEST, argDescription + " is a required URL parameter");
    }

    return parameter;
}

---

From source file:at.uni_salzburg.cs.ckgroup.cscpp.mapper.registry.RegistryPersistence.java

@SuppressWarnings("unchecked")
public static void loadRegistry(File registryFile, Map<String, IRegistrationData> registrationData)
        throws IOException {
    synchronized (lock) {
        String reg = FileUtils.loadFileAsString(registryFile);
        if (reg == null || reg.isEmpty()) {
            LOG.info("Can not load registry, because of empty or missing file " + registryFile);
            return;
        }/*  www  .  j  a v a2s  .  c  om*/

        List<Object> list;
        try {
            list = (List<Object>) parser.parse(reg);
        } catch (ParseException e) {
            throw new IOException("Parsing " + registryFile.getAbsolutePath() + " failed", e);
        }

        int counter = 0;
        for (Object entry : list) {
            RegData rd = new RegData((JSONObject) entry);
            registrationData.put(rd.getEngineUrl(), rd);
            ++counter;
        }
        LOG.info(counter + " Registry entries successfully loaded from file " + registryFile);
    }
}

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From source file:mServer.tool.MserverDatumZeit.java

public static String getNameAkt(String path) {
    // liefert den Namen der Filmliste "akt" von heute
    if (path.isEmpty()) {
        return "";
    }/*from w  w  w  . j  av  a  2  s  . c om*/
    return Functions.addsPfad(path,
            "Filmliste-" + new SimpleDateFormat("yyyy-MM-dd").format(new Date()) + ".xz");
}

---

From source file:nl.dtls.fairdatapoint.api.controller.utils.HttpHeadersUtils.java

public static RDFFormat getRequestedAcceptHeader(String contentType) {
    RDFFormat requesetedContentType = null;
    if (contentType == null || contentType.isEmpty()) {
        requesetedContentType = RDFFormat.TURTLE;
    } else if (contentType.contentEquals(RDFFormat.TURTLE.getDefaultMIMEType())
            || contentType.contains(MediaType.ALL_VALUE)) {
        requesetedContentType = RDFFormat.TURTLE;
    } else if (contentType.contentEquals(RDFFormat.JSONLD.getDefaultMIMEType())) {
        requesetedContentType = RDFFormat.JSONLD;
    } else if (contentType.contentEquals(RDFFormat.N3.getDefaultMIMEType())) {
        requesetedContentType = RDFFormat.N3;
    } else if (contentType.contentEquals(RDFFormat.RDFXML.getDefaultMIMEType())) {
        requesetedContentType = RDFFormat.RDFXML;
    }/*from   www  .ja  va 2  s  .  c  o  m*/
    return requesetedContentType;
}

---

From source file:msuresh.raftdistdb.RaftClient.java

public static void GetValue(String name, String key) throws FileNotFoundException {
    if (key == null || key.isEmpty()) {
        return;/*from  w  w w  .  ja  v a 2s  .  c  o m*/
    }
    File configFile = new File(Constants.STATE_LOCATION + name + ".info");
    if (!configFile.exists() || configFile.isDirectory()) {
        FileNotFoundException ex = new FileNotFoundException();
        throw ex;
    }
    try {
        System.out.println("Getting key .. Hold on.");
        String content = new Scanner(configFile).useDelimiter("\\Z").next();
        JSONObject config = (JSONObject) (new JSONParser()).parse(content);
        Long numPart = (Long) config.get("countPartitions");
        Integer shardId = key.hashCode() % numPart.intValue();
        JSONArray memberJson = (JSONArray) config.get(shardId.toString());
        List<Address> members = new ArrayList<>();
        for (int i = 0; i < memberJson.size(); i++) {
            JSONObject obj = (JSONObject) memberJson.get(i);
            Long port = (Long) obj.get("port");
            String address = (String) obj.get("address");
            members.add(new Address(address, port.intValue()));
        }
        CopycatClient client = CopycatClient.builder(members).withTransport(new NettyTransport()).build();
        client.open().join();
        Object str = client.submit(new GetQuery(key)).get();
        System.out.println("For the key : " + key + ", the database returned the value : " + (String) str);
        client.close().join();
        while (client.isOpen()) {
            Thread.sleep(1000);
        }
    } catch (Exception ex) {
        System.out.println(ex.toString());
    }
}

---

From source file:jackrabbit.repository.RepositoryManager.java

public static void registerCustomNodeTypes(Session session, String cndPath)
        throws IOException, RepositoryException, ParseException {
    if (cndPath == null || cndPath.isEmpty()) {
        log.error("CND path is null or empty.");
        return;//from  ww  w .  ja  va  2  s.co m
    }
    NamespaceRegistry registry = session.getWorkspace().getNamespaceRegistry();
    List<String> prefixes = Arrays.asList(registry.getPrefixes());
    if (!prefixes.contains("fsp"))
        registry.registerNamespace("fsp", "http://www.findlaw.com/jcr/fsp");
    if (!prefixes.contains("prop"))
        registry.registerNamespace("prop", "http://www.findlaw.com/jcr/fsp/prop");
    CndImporter.registerNodeTypes(new FileReader(cndPath), session);
}

---

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