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:blackboard.sonar.plugins.css.node.TextNode.java

public boolean isBlank() {
    return StringUtils.isBlank(getCode());
}

From source file:io.muic.ooc.webapp.servlet.LoginServlet.java

@Override
protected void doPost(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {
    // do login post logic
    // extract username and password from request
    String username = request.getParameter("username");
    String password = request.getParameter("password");
    if (!StringUtils.isBlank(username) && !StringUtils.isBlank(password)) {
        if (securityService.authenticate(username, password, request)) {
            response.sendRedirect("/");
        } else {/*  w w w. j  a  va 2s. c  o m*/
            String error = "Wrong username or password.";
            request.setAttribute("error", error);
            RequestDispatcher rd = request.getRequestDispatcher("WEB-INF/login.jsp");
            rd.include(request, response);
        }
    } else {
        String error = "Username or password is missing.";
        request.setAttribute("error", error);
        RequestDispatcher rd = request.getRequestDispatcher("WEB-INF/login.jsp");
        rd.include(request, response);
    }

    // check username and password against database
    // if valid then set username attribute to session via securityService
    // else put error message to render error on the login form

}

From source file:edu.duke.cabig.c3pr.utils.web.validators.AssignedIdentifierDuplicateValidator.java

public void validate(Object object, Errors errors) {
    PersonUser personUser = null;/*from   w w w. j  a  v  a 2s.c o m*/
    if (object instanceof PersonOrUserWrapper) {
        PersonOrUserWrapper wrapper = (PersonOrUserWrapper) object;
        personUser = wrapper.getPersonUser();
    }

    //Since assigned identifier can be empty during user creation
    if (StringUtils.isBlank(personUser.getAssignedIdentifier())) {
        return;
    }
    PersonUser rStaffFromDB = personUserDao
            .getByAssignedIdentifierFromLocal(personUser.getAssignedIdentifier());
    if (rStaffFromDB != null && !rStaffFromDB.getId().equals(personUser.getId())) {
        errors.reject("RSTAFF_EXISTS",
                "Research Staff with identifier " + personUser.getAssignedIdentifier() + " already exists");
        return;
    }
}

From source file:com.activecq.api.helpers.DesignHelper.java

/**
 * Returns an link tag for the css path supplied in the media indicator.
 *
 * @param path//from ww w .j  ava2 s .c  o m
 * @param page
 * @param attrs
 * @return
 */
public static String cssTag(String path, Page page, String media) {
    String src = cssSrc(path, page);

    if (StringUtils.isBlank(src)) {
        return "<!-- Missing CSS : " + path + ".css -->";
    }

    if (StringUtils.isBlank(media)) {
        media = DEFAULT_CSS_MEDIA_TYPE;
    }

    media = StringEscapeUtils.escapeHtml(media);
    src = StringEscapeUtils.escapeHtml(src);

    // Begin writing link tag
    return "<link rel=\"stylesheet\" media=\"" + media + "\" href=\"" + src + "\" />";
}

From source file:com.playonlinux.ui.impl.cli.AbstractCLIStep.java

public final void display() {
    printMessage();/*from   w  w  w  . j a va  2 s.c  om*/
    System.out.println("\n");
    String input;

    if (defineDefaultValue() == null) {
        input = System.console()
                .readLine(String.format("< %s [%s] > ", defineInputMessage(), defineDefaultValue()));
        if (StringUtils.isBlank(input)) {
            input = defineDefaultValue();
        }
    } else {
        input = System.console().readLine(String.format("< %s >", defineInputMessage()));
    }
}

From source file:com.acc.validator.FieldNotEmptyValidator.java

@Override
public void validate(final Object object, final Errors errors) {
    Assert.notNull(errors, "Errors object must not be null");
    final String fieldValue = (String) errors.getFieldValue(fieldPath);

    if (StringUtils.isBlank(fieldValue)) {
        errors.rejectValue(fieldPath, FIELD_REQUIRED_MESSAGE_ID, new String[] { fieldPath }, null);
    }/*from w  w  w  . jav  a  2 s  . c  om*/
}

From source file:de.thischwa.pmcms.model.domain.PoInfo.java

/**
 * Get the value of a field./*from   www .  java  2  s  .  c  o m*/
 * 
 * @param fieldName
 * @return Value of the field or null, if not found.
 */
public static String getValue(final Page page, final String fieldName) {
    if (page == null || StringUtils.isBlank(fieldName) || CollectionUtils.isEmpty(page.getContent()))
        return null;

    for (Content content : page.getContent()) {
        if (content.getName().equalsIgnoreCase(fieldName))
            return content.getValue();
    }
    return null;
}

From source file:com.greenline.guahao.biz.manager.helpcenter.impl.HelpCenterManagerImpl.java

@Override
public List<HelpCenterArticleDO> getArticlesByCategoryId(String cateId) {
    if (StringUtils.isBlank(cateId)) {
        return null;
    }// w ww.  jav  a 2 s  . co m

    return helpCenterDAO.getArticlesByCategoryId(Long.valueOf(cateId));
}

From source file:com.tesora.dve.sql.schema.LoadDataInfileLineOption.java

public LoadDataInfileLineOption(String starting, String terminated) {
    if (!StringUtils.isBlank(starting))
        this.starting = StringEscapeUtils.unescapeJava(PEStringUtils.dequote(starting));
    if (!StringUtils.isBlank(terminated))
        this.terminated = StringEscapeUtils.unescapeJava(PEStringUtils.dequote(terminated));
}

From source file:com.googlecode.jtiger.modules.ecside.tag.ExportXlsTag.java

public void addExportAttributes(TableModel model, Export export) {
    if (StringUtils.isBlank(export.getView())) {
        export.setView(TableConstants.VIEW_XLS);
    }//from ww  w  . j a  v a  2  s.  c om

    if (StringUtils.isBlank(export.getViewResolver())) {
        export.setViewResolver(TableConstants.VIEW_XLS);
    }

    if (StringUtils.isBlank(export.getImageName())) {
        export.setImageName(TableConstants.VIEW_XLS);
    }

    if (StringUtils.isBlank(export.getText())) {
        export.setText(BuilderConstants.TOOLBAR_XLS_TEXT);
    }
}