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

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

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Introduction

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

Prototype

public static boolean isBlank(final CharSequence cs)

Source Link

Document

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

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

Usage

From source file:de.micromata.genome.util.text.StandardHeaderSplitter.java

/**
 * Split.//from  w w w  .  j a  v  a 2  s .  c  om
 *
 * @param text the text
 * @return the pair
 * @throws IOException Signals that an I/O exception has occurred.
 */
public static Pair<String, Map<String, String>> split(String text) throws IOException {
    LineNumberReader lnr = new LineNumberReader(new StringReader(text));
    Map<String, String> headers = new HashMap<String, String>();
    String line = null;
    boolean leedingNewlines = true;
    while ((line = lnr.readLine()) != null) {
        if (StringUtils.isBlank(line)) {
            if (leedingNewlines == true) {// es kann sein, dass am Anfang die Newlines sind(wegen Code, etc)
                continue;
            } else {
                break;
            }
        }
        String key = StringUtils.substringBefore(line, ":");
        String value = StringUtils.substringAfter(line, ":");
        headers.put(StringUtils.trim(key), StringUtils.trim(value));
        leedingNewlines = false;
    }
    if (headers.size() == 0) {
        return new Pair<String, Map<String, String>>(text, headers);
    }
    return new Pair<String, Map<String, String>>(slurp(lnr), headers);
}

From source file:io.github.carlomicieli.footballdb.starter.mapping.Height.java

public static Height valueOf(String value) {
    if (StringUtils.isBlank(value)) {
        return null;
    }/*from   ww  w.  ja  va 2  s . com*/

    return extractValue(value, NORMAL_PATTERN).orElseGet(() -> extractValue(value, SHORT_PATTERN).orElse(null));
}

From source file:com.ts.db.connector.ConnectorDriverManager.java

static Driver getDriver(String url, String driverClassName, String classpath) throws SQLException {
    assert !StringUtils.isBlank(url);
    final boolean hasClasspath = !StringUtils.isBlank(classpath);
    if (!hasClasspath) {
        for (Driver driver : new ArrayList<Driver>(drivers)) {
            if (driver.acceptsURL(url)) {
                return driver;
            }//w w  w  . ja  v  a 2  s . c  o m
        }
    }
    List<File> jars = new ArrayList<File>();
    ClassLoader cl;
    if (hasClasspath) {
        List<URL> urls = new ArrayList<URL>();
        for (String path : classpath.split(pathSeparator)) {
            final File file = new File(path);
            if (isJarFile(file)) {
                jars.add(file);
            }
            try {
                urls.add(file.toURI().toURL());
            } catch (MalformedURLException ex) {
                log.warn(ex.toString());
            }
        }
        cl = new URLClassLoader(urls.toArray(new URL[urls.size()]));
    } else {
        jars.addAll(getJarFiles("."));
        jars.addAll(driverFiles);
        List<URL> urls = new ArrayList<URL>();
        for (File file : jars) {
            try {
                urls.add(file.toURI().toURL());
            } catch (MalformedURLException ex) {
                log.warn(ex.toString());
            }
        }
        cl = new URLClassLoader(urls.toArray(new URL[urls.size()]), ClassLoader.getSystemClassLoader());
    }
    driverFiles.addAll(jars);
    final boolean hasDriverClassName = !StringUtils.isBlank(driverClassName);
    if (hasDriverClassName) {
        try {
            Driver driver = DynamicLoader.newInstance(driverClassName, cl);
            assert driver != null;
            return driver;
        } catch (DynamicLoadingException ex) {
            Throwable cause = (ex.getCause() != ex) ? ex.getCause() : ex;
            SQLException exception = new SQLException(cause.toString());
            exception.initCause(cause);
            throw exception;
        }
    }
    final String jdbcDrivers = System.getProperty("jdbc.drivers");
    if (!StringUtils.isBlank(jdbcDrivers)) {
        for (String jdbcDriver : jdbcDrivers.split(":")) {
            try {
                Driver driver = DynamicLoader.newInstance(jdbcDriver, cl);
                if (driver != null) {
                    if (!hasClasspath) {
                        drivers.add(driver);
                    }
                    return driver;
                }
            } catch (DynamicLoadingException ex) {
                log.warn(ex.toString());
            }
        }
    }
    for (File jar : jars) {
        try {
            Driver driver = getDriver(jar, url, cl);
            if (driver != null) {
                if (!hasClasspath) {
                    drivers.add(driver);
                }
                return driver;
            }
        } catch (IOException ex) {
            log.warn(ex.toString());
        }
    }
    for (String path : System.getProperty("java.class.path", "").split(pathSeparator)) {
        if (isJarFile(path)) {
            Driver driver;
            try {
                driver = getDriver(new File(path), url, cl);
                if (driver != null) {
                    drivers.add(driver);
                    return driver;
                }
            } catch (IOException ex) {
                log.warn(ex.toString());
            }
        }
    }
    throw new SQLException("driver not found");
}

From source file:io.redlink.sdk.util.ApiHelper.java

/**
 * Build a proper api version//from w  ww .  java 2  s. co  m
 *
 * @param version raw version
 * @return api version
 * @see <a href="http://dev.redlink.io/sdk#introduction">api/sdk versioning</a>
 */
public static String getApiVersion(String version) {
    if (StringUtils.isBlank(version)) {
        return null;
    } else {
        final Matcher matcher = VERSION_PATTERN.matcher(version);
        if (matcher.matches()) {
            if (StringUtils.isBlank(matcher.group(4))) {
                return String.format("%s.%s", matcher.group(1), matcher.group(2));
            } else {
                return String.format("%s.%s-%s", matcher.group(1), matcher.group(2), matcher.group(4));
            }
        } else {
            return null;
        }
    }
}

From source file:net.ljcomputing.ecsr.security.model.UserContext.java

/**
 * Creates the user context.//w  w  w  .  jav  a  2  s.  c  o  m
 *
 * @param username the username
 * @param authorities the authorities
 * @return the user context
 */
public static UserContext create(final String username, final List<GrantedAuthority> authorities) {
    if (StringUtils.isBlank(username)) {
        throw new IllegalArgumentException("Username is blank: " + username);
    }

    return new UserContext(username, authorities);
}

From source file:cn.wanghaomiao.seimi.http.hc.HcRequestGenerator.java

public static RequestBuilder getHttpRequestBuilder(Request request, CrawlerModel crawlerModel) {
    RequestBuilder requestBuilder;// w  w w  .j ava 2s. c om
    BaseSeimiCrawler crawler = crawlerModel.getInstance();
    if (request.isUseSeimiAgent()) {
        if (StringUtils.isBlank(crawler.seimiAgentHost())) {
            throw new SeimiProcessExcepiton("SeimiAgentHost is blank.");
        }
        String seimiAgentUrl = "http://" + crawler.seimiAgentHost()
                + (crawler.seimiAgentPort() != 80 ? (":" + crawler.seimiAgentPort()) : "") + "/doload";
        requestBuilder = RequestBuilder.post().setUri(seimiAgentUrl);
        requestBuilder.addParameter("url", request.getUrl());
        if (StringUtils.isNotBlank(crawler.proxy())) {
            requestBuilder.addParameter("proxy", crawler.proxy());
        }
        if (request.getSeimiAgentRenderTime() > 0) {
            requestBuilder.addParameter("renderTime", String.valueOf(request.getSeimiAgentRenderTime()));
        }
        if (StringUtils.isNotBlank(request.getSeimiAgentScript())) {
            requestBuilder.addParameter("script", request.getSeimiAgentScript());
        }
        //SeimiAgent?cookie
        if ((request.isSeimiAgentUseCookie() == null && crawlerModel.isUseCookie())
                || (request.isSeimiAgentUseCookie() != null && request.isSeimiAgentUseCookie())) {
            requestBuilder.addParameter("useCookie", "1");
        }
        if (request.getParams() != null && request.getParams().size() > 0) {
            requestBuilder.addParameter("postParam", JSON.toJSONString(request.getParams()));
        }
        if (request.getSeimiAgentContentType().val() > SeimiAgentContentType.HTML.val()) {
            requestBuilder.addParameter("contentType", request.getSeimiAgentContentType().typeVal());
        }
    } else {
        if (HttpMethod.POST.equals(request.getHttpMethod())) {
            requestBuilder = RequestBuilder.post().setUri(request.getUrl());
        } else {
            requestBuilder = RequestBuilder.get().setUri(request.getUrl());
        }
        RequestConfig config = RequestConfig.custom().setProxy(crawlerModel.getProxy())
                .setCircularRedirectsAllowed(true).build();

        if (request.getParams() != null) {
            for (Map.Entry<String, String> entry : request.getParams().entrySet()) {
                requestBuilder.addParameter(entry.getKey(), entry.getValue());
            }
        }
        requestBuilder.setConfig(config).setHeader("User-Agent",
                crawlerModel.isUseCookie() ? crawlerModel.getCurrentUA() : crawler.getUserAgent());
        requestBuilder.setHeader("Accept",
                "text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8");
        requestBuilder.setHeader("Accept-Language", "zh-CN,zh;q=0.8,en;q=0.6");
    }
    if (!CollectionUtils.isEmpty(request.getHeader())) {
        for (Map.Entry<String, String> entry : request.getHeader().entrySet()) {
            requestBuilder.setHeader(entry.getKey(), entry.getValue());
        }
    }
    return requestBuilder;
}

From source file:io.cloudslang.content.utils.NumberUtilities.java

/**
 * Given an integer string, it checks if it's a valid integer (based on apaches NumberUtils.createInteger)
 *
 * @param integerStr the integer string to check
 * @return true if it's valid, otherwise false
 *///from   w  w w.java  2s  .c o  m
public static boolean isValidInt(@Nullable final String integerStr) {
    if (StringUtils.isBlank(integerStr)) {
        return false;
    }
    final String stripedInteger = StringUtils.strip(integerStr);
    try {
        NumberUtils.createInteger(stripedInteger);
        return true;
    } catch (NumberFormatException e) {
        return false;
    }
}

From source file:com.ankang.report.util.GsonUtil.java

public static String get(String key, String snapshot) {
    if (StringUtils.isBlank(key) || StringUtils.isBlank(snapshot)) {
        return null;
    }/*from w w w .j  a v  a 2 s.c om*/
    Gson gson = new GsonBuilder().create();
    Map<String, String> map = null;
    try {
        map = gson.fromJson(snapshot, new TypeToken<Map<String, Object>>() {
        }.getType());
    } catch (Exception ex) {
        ex.printStackTrace();
    }
    if (MapUtils.isEmpty(map)) {
        return null;
    }
    return map.get(key);
}

From source file:io.github.swagger2markup.internal.utils.MarkupDocBuilderUtils.java

public static String italicText(MarkupDocBuilder markupDocBuilder, String text) {
    if (StringUtils.isBlank(text)) {
        return StringUtils.EMPTY;
    }//from   w ww . ja v  a  2 s.  c o  m
    return copyMarkupDocBuilder(markupDocBuilder).italicText(text).toString();
}

From source file:com.ctrip.infosec.rule.resource.TongDun.java

/**
 * ?ip??/*from w w w.  j  ava2 s .  c  o  m*/
 *
 * @param ip
 * @param mobile
 * @return
 * {"reason_code":null,"final_decision":"Accept","seq_id":"1442309654522-72705995","final_score":0,"success":true}
 */
public static Map<String, Object> queryTradeEvent(String ip, String mobile) {
    if (StringUtils.isBlank(ip) && StringUtils.isBlank(mobile)) {
        return Collections.EMPTY_MAP;
    }
    Map<String, Object> params = new HashMap<>();
    params.put("account_mobile", mobile);
    params.put("ip_address", ip);
    return DataProxy.queryForMap(serviceName, operationName_trade, params);
}