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

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.xpn.xwiki.internal.doc.AbstractDocumentRevisionProvider.java

@Override
public XWikiDocument getRevision(XWikiDocument document, String revision) throws XWikiException {
    XWikiDocument newdoc;/*from w w  w. j a v  a 2 s. c o  m*/

    if (StringUtils.isEmpty(revision)) {
        newdoc = new XWikiDocument(document.getDocumentReference());
    } else if (revision.equals(document.getVersion())) {
        newdoc = document;
    } else {
        newdoc = getRevision(document.getDocumentReferenceWithLocale(), revision);
    }

    return newdoc;
}

From source file:minor.commodity.CommodityQuote.java

@Override
public void validate() {
    if (StringUtils.isEmpty(getCticker())) {
        addFieldError("cticker", "Commodity Quote cannot be blank");
    }//from   ww  w .  j  a  va 2 s. co  m
    if (StringUtils.isNumeric(getCticker())) {
        addFieldError("cticker", "Commodity Quote cannot be numeric");
    }
    if (StringUtils.length(getCticker()) > 12) {
        addFieldError("cticker", "Invalid Ticker length");
    }
}

From source file:com.ejisto.modules.factory.impl.EnumFactory.java

@Override
public Enum<T> create(MockedField m, Enum<T> actualValue) {
    try {//from  ww  w .jav a 2  s . c o  m
        String name = m.getFieldValue();
        if (StringUtils.isEmpty(name)) {
            return actualValue;
        }
        @SuppressWarnings("unchecked")
        Class<Enum<T>> clazz = (Class<Enum<T>>) Class.forName(m.getFieldType());
        if (!clazz.isEnum()) {
            return actualValue;
        }
        Enum<T>[] enums = clazz.getEnumConstants();
        for (Enum<T> en : enums) {
            if (en.name().equals(name)) {
                return en;
            }
        }
        if (actualValue != null) {
            return actualValue;
        }
        return enums.length > 0 ? enums[0] : null;
    } catch (Exception ex) {
        log.warn(String.format("enum value not found for %s.", m), ex);
    }
    return actualValue;
}

From source file:com.github.rvesse.airline.builder.AbstractBuilder.java

/**
 * Checks a value given for a parameter is not null/empty
 * // w  w w. j  av  a2s.  co  m
 * @param value
 *            Value
 * @param paramName
 *            Parameter
 */
protected final void checkNotEmpty(String value, String paramName) {
    if (StringUtils.isEmpty(value))
        throw new IllegalArgumentException(String.format("%s cannot be null/empty", paramName));
}

From source file:cn.guoyukun.spring.jpa.repository.hibernate.type.HashMapToStringUserType.java

@Override
public void setParameterValues(Properties parameters) {
    String keyType = (String) parameters.get("keyType");
    if (!StringUtils.isEmpty(keyType)) {
        try {/*from ww  w .j a v a  2s  .  co  m*/
            this.keyType = Class.forName(keyType);
        } catch (ClassNotFoundException e) {
            throw new HibernateException(e);
        }
    } else {
        this.keyType = String.class;
    }

}

From source file:com.huangyunkun.jviff.modal.StepResult.java

public void addImage(String fileName) {
    if (StringUtils.isEmpty(firstImage)) {
        firstImage = fileName;//from  w w  w . j  av  a  2 s. c  o  m
    } else {
        secondImage = fileName;
    }
}

From source file:com.company.vertxstarter.MainVerticle.java

@Override
public void start(Future<Void> fut) {
    // Create a router object.
    Router router = Router.router(vertx);
    //CORS handler
    router.route().handler(CorsHandler.create("*").allowedMethod(HttpMethod.GET).allowedMethod(HttpMethod.POST)
            .allowedMethod(HttpMethod.OPTIONS).allowedHeader("Content-Type").allowedHeader("Accept"));

    //default headers
    router.route().handler(ctx -> {// w  ww .j  av a  2 s.c  om
        ctx.response().putHeader("Cache-Control", "no-store, no-cache").putHeader("Content-Type",
                "application/json");

        if (StringUtils.isEmpty(ctx.request().getHeader("Accept"))) {
            ctx.fail(Failure.NO_MEDIA_TYPE);
            return;
        } else if (!"application/json".equalsIgnoreCase(ctx.request().getHeader("Accept"))) {
            ctx.fail(Failure.UNSUPPORTED_MEDIA_TYPE);
            return;
        }
        ctx.next();
    });

    //error handling
    router.route().failureHandler(ctx -> {
        HttpServerResponse response = ctx.response();
        final JsonObject error = new JsonObject();
        Failure ex;

        if (ctx.failure() instanceof Failure) { //specific error
            ex = (Failure) ctx.failure();
        } else { //general error
            ctx.failure().printStackTrace();
            ex = Failure.INTERNAL_ERROR;
        }
        error.put("message", ex.getMessage());
        response.setStatusCode(ex.getCode()).end(error.encode());
    });
    //default 404 handling
    router.route().last().handler(ctx -> {
        HttpServerResponse response = ctx.response();
        final JsonObject error = new JsonObject();
        error.put("message", Failure.NOT_FOUND.getMessage());
        response.setStatusCode(404).end(error.encode());
    });

    //routes
    Injector injector = Guice.createInjector(new AppInjector());
    router.route(HttpMethod.GET, "/people").handler(injector.getInstance(PersonResource.class)::get);

    // Create the HTTP server and pass the "accept" method to the request handler.
    HttpServerOptions serverOptions = new HttpServerOptions();
    serverOptions.setCompressionSupported(true);
    vertx.createHttpServer(serverOptions).requestHandler(router::accept)
            .listen(config().getInteger("http.port", 8080), result -> {
                if (result.succeeded()) {
                    fut.complete();
                } else {
                    fut.fail(result.cause());
                }
            });
}

From source file:com.gargoylesoftware.htmlunit.util.URLCreator.java

protected URL toNormalUrl(final String url) throws MalformedURLException {
    final URL response = new URL(url);
    if (response.getProtocol().startsWith("http") && StringUtils.isEmpty(response.getHost())) {
        throw new MalformedURLException("Missing host name in url: " + url);
    }//from   w w w  . ja  v  a  2  s .  co m
    return response;
}

From source file:app.controller.LinkController.java

@GetMapping("/fetch")
public Response<Collection> fetchUrInfo(@RequestHeader(value = "token") String token,
        @RequestParam(value = "url") String url) {
    String uid = mAuthService.checkIfAuthBind(token);
    if (StringUtils.isEmpty(uid)) {
        return ResultCode.error(ResultCode.USER_AUTH_FAILED);
    }//from   w  w  w.  j  av  a2  s  .  c om

    int resultCode;
    if (StringUtils.isEmpty(url)) {
        resultCode = ResultCode.ARGUMENT_ERROR;
    } else {
        Collection col = mFetchService.getUrlInfo(uid, url);
        if (col == null) {
            resultCode = ResultCode.FETCH_URL_DATA_FAILED;
        } else {
            return new Response<>(col);
        }
    }
    return ResultCode.error(resultCode);
}

From source file:cherry.common.testtool.StubReposControllerImpl.java

@Override
public String alwaysReturnJson(String className, String methodName, int methodIndex, String value,
        String valueType) {//from w  ww.  jav a2 s  .co m
    if (StringUtils.isEmpty(value)) {
        return jsonStubService.clear(className, methodName, methodIndex);
    } else {
        return jsonStubService.alwaysReturn(className, methodName, methodIndex, value, valueType);
    }
}