Example usage for org.apache.commons.lang3 StringUtils isEmpty

List of usage examples for org.apache.commons.lang3 StringUtils isEmpty

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Introduction

In this page you can find the example usage for org.apache.commons.lang3 StringUtils isEmpty.

Prototype

public static boolean isEmpty(final CharSequence cs)

Source Link

Document

Checks if a CharSequence is empty ("") or null.

 StringUtils.isEmpty(null)      = true StringUtils.isEmpty("")        = true StringUtils.isEmpty(" ")       = false StringUtils.isEmpty("bob")     = false StringUtils.isEmpty("  bob  ") = false

NOTE: This method changed in Lang version 2.0.

Usage

From source file:com.nimbits.client.model.server.ServerModel.java

public ServerModel(final UrlContainer url, EmailAddress emailAddress, final AccessKey accessToken) {
    if (StringUtils.isEmpty(url.getUrl())) {
        throw new IllegalArgumentException("url was null");
    }//from w  ww.j  a  v a 2  s  .  c o m
    this.url = removeProtocol(url);

    this.accessToken = accessToken;

    this.protocol = Protocol.http;
    this.email = emailAddress.getValue();
}

From source file:com.zip.CreateZipWithOutputStreams.java

public static void zipFilesAndEncrypt(String srcFileName, String zipFileName, String password) {
    ZipOutputStream outputStream = null;
    InputStream inputStream = null;
    try {/*from w w  w. j a v a 2 s .c  om*/
        File srcFile = new File(srcFileName);
        File[] files = new File[0];
        if (srcFile.isDirectory()) {
            files = srcFile.listFiles();
        } else {
            files = new File[1];
            files[0] = srcFile;
        }
        outputStream = new ZipOutputStream(new FileOutputStream(new File(zipFileName)));
        ZipParameters parameters = new ZipParameters();
        parameters.setCompressionMethod(Zip4jConstants.COMP_DEFLATE);
        parameters.setCompressionLevel(Zip4jConstants.DEFLATE_LEVEL_NORMAL);
        if (!StringUtils.isEmpty(password)) {
            parameters.setEncryptFiles(true);
            //Zip4j supports AES or Standard Zip Encryption (also called ZipCrypto)
            //If you choose to use Standard Zip Encryption, please have a look at example
            //as some additional steps need to be done while using ZipOutputStreams with
            //Standard Zip Encryption
            parameters.setEncryptionMethod(Zip4jConstants.ENC_METHOD_AES);
            parameters.setAesKeyStrength(Zip4jConstants.AES_STRENGTH_256);
            parameters.setPassword(password);
        }

        //Now we loop through each file and read this file with an inputstream
        //and write it to the ZipOutputStream.
        int fileNums = files.length;
        File tmpFile = null;
        OutputStream os = null;
        for (int i = 0; i < fileNums; i++) {
            File file = (File) files[i];

            //This will initiate ZipOutputStream to include the file
            //with the input parameters
            //            parameters.setFileNameInZip("test.txt");
            tmpFile = new File(new String(file.getPath().getBytes("ISO-8859-1"), "GBK"));
            //            tmpFile.createNewFile();
            FileUtils.writeByteFile(FileUtils.readFileByte(file), tmpFile);
            //                tmpFile = new File("");
            outputStream.putNextEntry(tmpFile, parameters);

            //If this file is a directory, then no further processing is required
            //and we close the entry (Please note that we do not close the outputstream yet)
            if (file.isDirectory()) {
                outputStream.closeEntry();
                continue;
            }

            inputStream = new FileInputStream(file);
            byte[] readBuff = new byte[4096];
            int readLen = -1;
            //Read the file content and write it to the OutputStream
            while ((readLen = inputStream.read(readBuff)) != -1) {
                outputStream.write(readBuff, 0, readLen);
            }
            //Once the content of the file is copied, this entry to the zip file
            //needs to be closed. ZipOutputStream updates necessary header information
            //for this file in this step
            outputStream.closeEntry();
            inputStream.close();
        }
        //ZipOutputStream now writes zip header information to the zip file
        outputStream.finish();
    } catch (Exception e) {
        e.printStackTrace();
    } finally {
        if (outputStream != null) {
            try {
                outputStream.close();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
        if (inputStream != null) {
            try {
                inputStream.close();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
    }
}

From source file:de.cubicvoxel.workspacefx.field.IntegerField.java

public IntegerField() {
    textProperty().addListener((observable, oldValue, newValue) -> {
        if (StringUtils.isEmpty(newValue)) {
            intValue = null;/*from   ww w  . ja v  a 2 s .  co m*/
        } else {
            try {
                intValue = Integer.parseInt(newValue);
            } catch (NumberFormatException e) {
                setText(oldValue);
                intValue = Integer.parseInt(oldValue);
            }
        }
    });
}

From source file:com.webbfontaine.valuewebb.model.validators.tt.TTServiceDataValidator.java

public void validate() {
    String currentKey = ttGen.getIdfNum();

    if (StringUtils.isEmpty(currentKey) || ErrorHandling.getInstance().hasScopedErrors("idfNum")) {
        return;//from   ww w.  j av a2 s. co m
    }

    LOGGER.trace("Started for {0}", currentKey);

    TtGen serviceTt = null;

    try {
        serviceTt = new TTDataImporter().resolveServiceAndLoad(ttGen);
    } catch (Exception e) {
        LOGGER.warn("Unable to validate DAI/FDI number, warning message will be shown");
        addError(Utils.translate("IDF Num.") + ": " + Utils.translate(Messages.IMPOSSIBLE_TO_PROCESS));
    }

    if (serviceTt == null) {
        ErrorHandling.addFacesMessageError("idfNum", Utils.translate(Messages.IDF_NUMBER_INEXISTENT));
    } else {
        String serviceTIN = StringUtils.trimToEmpty(serviceTt.getImpTin());
        String currentTIN = StringUtils.trimToEmpty(ttGen.getImpTin());

        if (!currentTIN.equals(serviceTIN)) {
            ErrorHandling.addFacesMessageError("impTin",
                    Utils.translate(Messages.ALLOWED_VALUE) + ": " + serviceTIN);
        }

        String serviceDate = serviceTt.getIdfDate() == null ? ""
                : DateUtils.dateToString(serviceTt.getIdfDate(), "dd/MM/yyyy");
        String currentDate = ttGen.getIdfDate() == null ? ""
                : DateUtils.dateToString(ttGen.getIdfDate(), "dd/MM/yyyy");

        if (!serviceDate.equals(currentDate)) {
            ErrorHandling.addFacesMessageError("idfDate",
                    Utils.translate(Messages.ALLOWED_VALUE) + ": " + serviceDate);
        }

        LOGGER.debug("TT key: {0}, date: {1}, TIN: {2}. Service data key: {3}, date: {4}, TIN: {5}", currentKey,
                currentDate, currentTIN, serviceTt.getIdfNum(), serviceDate, serviceTIN);
    }
}

From source file:de.cubicvoxel.workspacefx.field.FloatField.java

public FloatField() {
    textProperty().addListener(((observable, oldValue, newValue) -> {
        if (StringUtils.isEmpty(newValue)) {
            floatValue = null;//w w  w.  ja v  a 2 s .com
        } else {
            try {
                floatValue = Double.parseDouble(newValue);
            } catch (NumberFormatException e) {
                setText(oldValue);
                floatValue = Double.parseDouble(oldValue);
            }
        }
    }));
}

From source file:com.netflix.spinnaker.clouddriver.artifacts.http.HttpArtifactAccount.java

@JsonIgnore
public boolean usesAuth() {
    return !(StringUtils.isEmpty(username) && StringUtils.isEmpty(password)
            && StringUtils.isEmpty(usernamePasswordFile));
}

From source file:com.shenit.commons.utils.ShortLinkUtils.java

/**
 * Shorten url/*from w  w w . j  a  v a2  s. com*/
 * @param url URL that not encoded
 * @param query
 * @return
 */
public static String shorten(String url, String query, Object salt) {
    if (StringUtils.isEmpty(url))
        return null;
    String joinStr = url.indexOf(HttpUtils.QUERY_CHAR) > 0 ? HttpUtils.QUERY_CHAR : HttpUtils.AMP;
    final String queryParams = (query != null) ? joinStr + query : StringUtils.EMPTY;
    String saltStr = DataUtils.toString(salt, StringUtils.EMPTY);
    url = toUrl((url + queryParams));
    return StringUtils.isEmpty(url) ? null
            : Hashing.murmur3_32().hashString(url + HttpUtils.HASH_CHAR + saltStr, StandardCharsets.UTF_8)
                    .toString();
}

From source file:nc.noumea.mairie.annuairev2.saisie.viewmodel.StringSimpleListModel.java

@Override
public boolean inSubModel(Object key, Object value) {
    String searchString = (String) key;
    if (StringUtils.isEmpty(searchString))
        return true;

    return StringUtils.startsWithIgnoreCase((String) value, searchString);
}

From source file:io.wcm.testing.mock.sling.servlet.MockRequestPathInfo.java

@Override
public String[] getSelectors() {
    if (StringUtils.isEmpty(this.selectorString)) {
        return new String[0];
    } else {//from  w  w w  .j a  va  2 s .  c o m
        return StringUtils.split(this.selectorString, ".");
    }
}

From source file:com.aboutdata.web.controller.SearchController.java

@RequestMapping(method = RequestMethod.GET)
public String displaySearch(String keywords, Model model) {
    if (StringUtils.isEmpty(keywords)) {
        //? ??/*from  ww  w. java2  s .c  o  m*/
        return "/portal/search/single";
    }
    Pageable pageable = new PageRequest(1, 24);
    Page<PhotosModel> pages = searchService.search(keywords, pageable);
    model.addAttribute("pages", pages);
    model.addAttribute("keywords", keywords);
    return "/portal/search/result";
}