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:de.doncarnage.minecraft.baseplugin.util.ItemUtil.java

/**
 * Returns the corresponding item for the given item and sub string.
 *
 * @param item the wanted item, e.g. log or step
 * @param sub  the data byte of the material
 * @return a {@link MaterialData} instance reflecting this item
 *//* ww w  .j a v a  2s .  c  o  m*/
@SuppressWarnings("deprecation")
public static MaterialData getMaterialDataByString(String item, String sub) {
    Preconditions.checkNotNull(item);
    Material mat = Material.getMaterial(item.toUpperCase());
    if (mat == null) {
        return null;
    }
    MaterialData matData = new MaterialData(mat);
    if (!StringUtils.isBlank(sub)) {
        try {
            matData.setData(Byte.parseByte(sub));
        } catch (NumberFormatException nfe) {
            return null;
        }
    }
    return matData;
}

From source file:com.switchfly.inputvalidation.canonicalizer.QueryStringCanonicalizer.java

@Override
public String execute(String content) {
    if (StringUtils.isBlank(content)) {
        return content;
    }//ww w  .  j ava  2 s . co  m
    String s = super.execute(content);
    try {
        s = URLDecoder.decode(s, "UTF-8");
    } catch (Exception e) {
        throw new RuntimeException(e);
    }
    return s;
}

From source file:com.adobe.acs.commons.util.PathInfoUtil.java

/**
 * Get a named Query Parameter from the Request.
 *
 * @param request//from ww  w  . j a  va 2s .c o  m
 * @param key
 * @param dfault  Value to return if Query Parameter value is blank
 * @return
 */
public static String getQueryParam(final SlingHttpServletRequest request, final String key,
        final String dfault) {
    String tmp = request.getParameter(key);

    if (StringUtils.isBlank(tmp)) {
        return dfault;
    }

    return tmp;
}

From source file:net.praqma.hudson.scm.pollingmode.PollingModeDescriptor.java

public FormValidation doCheckComponent(@QueryParameter String component) {
    if (StringUtils.isBlank(component)) {
        return FormValidation.error("Component field cannot be empty");
    } else {//w ww.  java2s  . c  o m
        if (!component.contains("@\\")) {
            return FormValidation.errorWithMarkup(
                    "Components must be entered with the correct syntax. <em>Syntax: [component]@[PVOB]</em>");
        }
    }
    return FormValidation.ok();
}

From source file:com.zxy.commons.memcache.MemcacheFactory.java

private static MemcachedClient getObjectJava() {
    String servers = MemcachePropUtils.getServers();
    if (StringUtils.isBlank(servers)) {
        throw new AssertionError("Parameter servers must not be empty.");
    }// ww  w  .ja  v a2  s .  c  o m

    MemcachedClientBuilder builder = new XMemcachedClientBuilder(servers);
    builder.setConnectionPoolSize(MemcachePropUtils.getConnectPoolSize());
    builder.setConnectTimeout(MemcachePropUtils.getInstance().getLong("connectTimeout"));
    try {
        return builder.build();
    } catch (IOException e) {
        throw new AssertionError(e);
    }
}

From source file:name.chengchao.myhttpclient.version3_1.HttpClient3Util.java

/**
 * ?url?ResponseBody,method=get//ww  w . ja va  2s .c  o m
 * 
 * @param url exp:http://192.168.1.1:8080/dir/target.html
 * @return byte[]?
 */
public static byte[] getDataFromUrl(String url, int timeout) {
    if (StringUtils.isBlank(url)) {
        logger.error("url is blank!");
        return null;
    }
    HttpClient httpClient = new HttpClient();
    // 
    httpClient.getHttpConnectionManager().getParams().setConnectionTimeout(8000);
    // ?
    httpClient.getParams().setSoTimeout(timeout);
    GetMethod method = new GetMethod(url);

    // fix???
    method.setRequestHeader("Connection", "close");
    // ??1
    method.getParams().setParameter(HttpMethodParams.RETRY_HANDLER,
            new DefaultHttpMethodRetryHandler(1, false));
    try {
        int statusCode = httpClient.executeMethod(method);
        if (statusCode == HttpStatus.SC_OK) {
            return method.getResponseBody();
        } else {
            throw new RuntimeException("http request error,return code:" + statusCode + ",msg:"
                    + new String(method.getResponseBody()));
        }
    } catch (HttpException e) {
        method.abort();
        logger.error(e.getMessage());
    } catch (IOException e) {
        method.abort();
        logger.error(e.getMessage());
    } finally {
        // Release the connection.
        method.releaseConnection();
    }
    return null;
}

From source file:com.feedzai.fos.api.util.ManagerUtils.java

/**
 * Obtain model UUID from ModelConfig if defined or generate a new random uuid
 *
 * @param config Model Configuration/*ww  w . ja va2  s.  c  om*/
 * @return new Model UUID
 * @throws com.feedzai.fos.api.FOSException
 */
public static UUID getUuid(ModelConfig config) throws FOSException {
    String suuid = config.getProperty("UUID");

    return StringUtils.isBlank(suuid) ? UUID.randomUUID() : UUID.fromString(suuid);
}

From source file:com.sunyue.util.calculator.impl.parser.SimpleExpressionParser.java

public Object[] parse(String expression) {
    if (StringUtils.isBlank(expression)) {
        throw new CalculationException("Expression can not be blank");
    }/*from  ww  w  . j a  v  a  2  s .  com*/
    char[] exp = expression.toCharArray();
    StringBuilder buffer = new StringBuilder(100);
    List<Object> result = new ArrayList<Object>();
    for (int i = 0; i < exp.length; i++) {
        String current = String.valueOf(exp[i]);
        if (AbstractExpressionParser.SPACE.equals(current) || AbstractExpressionParser.COMMA.equals(current)) {
            // space or comma
            addToken(result, buffer.toString());
            clear(buffer);
        } else if (Bracket.LEFT_BRACKET.getSymbol().equals(current)) {
            // "("
            addToken(result, buffer.toString(), Bracket.LEFT_BRACKET);
            clear(buffer);
        } else if (Bracket.RIGHT_BRACKET.getSymbol().equals(current)) {
            // ")"
            addToken(result, buffer.toString(), Bracket.RIGHT_BRACKET);
            clear(buffer);
        } else if (isOperator(current)) {
            // operator
            addToken(result, buffer.toString(), getOperator(current));
            clear(buffer);
        } else {
            // other
            buffer.append(current);
        }
    }
    addToken(result, buffer.toString());
    return result.toArray();
}

From source file:com.enonic.cms.core.content.contentdata.custom.support.XmlDataEntryParser.java

public XmlDataEntry parse(final Element containerElement, final DataEntryConfig inputConfig) {
    final List list = containerElement.getChildren();
    String value = "";
    if (!list.isEmpty()) {
        final Element xmlRootNode = (Element) list.get(0);
        value = elementToString(xmlRootNode);
    }/*  ww w .j  a  v  a2s.co  m*/

    if (StringUtils.isBlank(value)) {
        return new XmlDataEntry(inputConfig, null);
    }
    return new XmlDataEntry(inputConfig, value);
}

From source file:io.github.lucaseasedup.logit.profile.field.Field.java

public Field(String name) {
    if (StringUtils.isBlank(name))
        throw new IllegalArgumentException();

    this.name = name;
}