Example usage for org.apache.commons.lang StringUtils isBlank

Introduction

In this page you can find the example usage for org.apache.commons.lang StringUtils isBlank.

Prototype

public static boolean isBlank(String str)

Source Link

Document

Checks if a String is whitespace, empty ("") or null.

Usage

From source file:filters.SupportedFormats.java

public static String supportFormat(String path) throws EmptyExtensionException {
    String extension = getFormatExtension(path);
    if (StringUtils.isBlank(extension)) {
        throw new EmptyExtensionException();
    }//  w w  w  .j  av  a2 s .  c o  m
    if (formats.contains(extension)) {
        return extension;
    } else {
        return null;
    }
}

From source file:ch.entwine.weblounge.bridge.oaipmh.util.OsgiUtil.java

/**
 * Get a mandatory, non-blank value from a dictionary.
 * /*from   www. j ava 2s .  c om*/
 * @throws ConfigurationException
 *           key does not exist or its value is blank
 */
public static String getCfg(Dictionary d, String key) throws ConfigurationException {
    Object p = d.get(key);
    if (p == null)
        throw new ConfigurationException(key, "does not exist");
    String ps = p.toString();
    if (StringUtils.isBlank(ps))
        throw new ConfigurationException(key, "is blank");
    return ps;
}

From source file:com.taobao.adfs.database.tdhsocket.client.util.ConvertUtil.java

public static byte getByteFromString(String stringVal) throws SQLException {

    if (StringUtils.isBlank(stringVal)) {
        return (byte) 0;
    }//  w  ww . j a  v a  2  s.c  o  m
    stringVal = stringVal.trim();

    try {
        int decimalIndex = stringVal.indexOf(".");

        if (decimalIndex != -1) {
            double valueAsDouble = Double.parseDouble(stringVal);
            return (byte) valueAsDouble;
        }

        long valueAsLong = Long.parseLong(stringVal);

        return (byte) valueAsLong;
    } catch (NumberFormatException NFE) {
        throw new SQLException("Parse byte value error:" + stringVal);
    }
}

From source file:com.aqnote.shared.cryptology.util.ProviderUtil.java

@SuppressWarnings("unchecked")
public static void removeProvider(String className) throws Exception {
    if (StringUtils.isBlank(className))
        return;/*from   w  w w  .jav a2  s  .  c o m*/
    Class<?> clazz = Class.forName(className);
    if (clazz == null || !clazz.isAssignableFrom(Provider.class))
        return;
    removeProvider((Class<Provider>) clazz);
}

From source file:com.surfs.storage.web.filter.LoginFilter.java

@Override
public void init(FilterConfig filterConfig) throws ServletException {
    String excludes = filterConfig.getInitParameter("excludes");
    if (StringUtils.isBlank(excludes))
        return;/*from   w ww  .j av a  2 s .  co  m*/
    String[] excludeArray = excludes.split(",");
    excludes_Pattern = new Pattern[excludeArray.length];
    for (int i = 0; i < excludeArray.length; i++) {
        excludes_Pattern[i] = Pattern.compile(excludeArray[i].trim());
    }
}

From source file:io.logspace.hq.rest.AbstractLogspaceResourcesBase.java

protected static String getRequiredQueryParam(Request req, String name) {
    String value = req.queryParams(name);
    if (StringUtils.isBlank(value)) {
        throw ParameterValueException.missingQueryParameter(name);
    }/*w w w. j a v  a2  s  .c  o  m*/

    return value;
}

From source file:ips1ap101.lib.core.jsf.component.BotonBuscar.java

private boolean isRenderedToo() {
    String script = this.getOnClick();
    if (StringUtils.isBlank(script)) {
        return false;
    }/*from   www  .  j a va 2 s .  co  m*/
    WebuiInput sibling = getSibling();
    if (sibling instanceof TextField) {
        TextField textField = (TextField) sibling;
        return sibling.isRendered() && !textField.isReadOnly();
    }
    return true;
}

From source file:de.codesourcery.eve.skills.util.ClasspathInputStreamProvider.java

public ClasspathInputStreamProvider(String path) {

    if (StringUtils.isBlank(path)) {
        throw new IllegalArgumentException("path cannot be blank / NULL");
    }//  w w  w. j a v a  2  s  .c  o m
    this.path = path;
}

From source file:com.googlecode.jtiger.modules.ecside.resource.MimeUtils.java

/**
 * Return the mime type for a file name. The extension is parsed out and the
 * method to get mime type by extension is called. Extension mappings are
 * found in the mimeTypes.properties file in the org.extremecomponents.util
 * package.//from  w  ww .j  av a 2 s. c  o m
 */
public static String getFileMimeType(String fileName) {
    if (StringUtils.isBlank(fileName) || (fileName.indexOf(".") == -1)) {
        return null;
    }

    fileName = fileName.substring(fileName.lastIndexOf("."));

    return getExtensionMimeType(fileName);
}

From source file:com.digitalpebble.storm.crawler.persistence.Scheduler.java

/** Returns a Scheduler instance based on the configuration **/
@SuppressWarnings({ "rawtypes", "unchecked" })
public static Scheduler getInstance(Map stormConf) {
    Scheduler scheduler;//from   w  w  w . j  av a2 s  .co  m

    String className = ConfUtils.getString(stormConf, schedulerClassParamName);

    if (StringUtils.isBlank(className)) {
        throw new RuntimeException("Missing value for config  " + schedulerClassParamName);
    }

    try {
        Class<?> schedulerc = Class.forName(className);
        boolean interfaceOK = Scheduler.class.isAssignableFrom(schedulerc);
        if (!interfaceOK) {
            throw new RuntimeException("Class " + className + " must extend Scheduler");
        }
        scheduler = (Scheduler) schedulerc.newInstance();
    } catch (Exception e) {
        throw new RuntimeException("Can't instanciate " + className);
    }

    scheduler.init(stormConf);
    return scheduler;
}