本文整理了Java中org.jsoup.nodes.Element.classNames()方法的一些代码示例，展示了Element.classNames()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。Element.classNames()方法的具体详情如下：
包路径：org.jsoup.nodes.Element
类名称：Element
方法名：classNames

Element.classNames介绍

[英]Get all of the element's class names. E.g. on element

, returns a set of two elements "header", "gray". Note that modifications to this set are not pushed to the backing class attribute; use the #classNames(java.util.Set) method to persist them.
[中]

代码示例

代码示例来源：origin: org.jsoup/jsoup

/**
 Add a class name to this element's {@code class} attribute.
 @param className class name to add
 @return this element
 */
public Element addClass(String className) {
  Validate.notNull(className);
  Set<String> classes = classNames();
  classes.add(className);
  classNames(classes);
  return this;
}

代码示例来源：origin: org.jsoup/jsoup

/**
 Remove a class name from this element's {@code class} attribute.
 @param className class name to remove
 @return this element
 */
public Element removeClass(String className) {
  Validate.notNull(className);
  Set<String> classes = classNames();
  classes.remove(className);
  classNames(classes);
  return this;
}

代码示例来源：origin: org.jsoup/jsoup

/**
 Toggle a class name on this element's {@code class} attribute: if present, remove it; otherwise add it.
 @param className class name to toggle
 @return this element
 */
public Element toggleClass(String className) {
  Validate.notNull(className);
  Set<String> classes = classNames();
  if (classes.contains(className))
    classes.remove(className);
  else
    classes.add(className);
  classNames(classes);
  return this;
}

代码示例来源：origin: org.jsoup/jsoup

/**
 * Get a CSS selector that will uniquely select this element.
 * <p>
 * If the element has an ID, returns #id;
 * otherwise returns the parent (if any) CSS selector, followed by {@literal '>'},
 * followed by a unique selector for the element (tag.class.class:nth-child(n)).
 * </p>
 *
 * @return the CSS Path that can be used to retrieve the element in a selector.
 */
public String cssSelector() {
  if (id().length() > 0)
    return "#" + id();
  // Translate HTML namespace ns:tag to CSS namespace syntax ns|tag
  String tagName = tagName().replace(':', '|');
  StringBuilder selector = new StringBuilder(tagName);
  String classes = StringUtil.join(classNames(), ".");
  if (classes.length() > 0)
    selector.append('.').append(classes);
  if (parent() == null || parent() instanceof Document) // don't add Document to selector, as will always have a html node
    return selector.toString();
  selector.insert(0, " > ");
  if (parent().select(selector.toString()).size() > 1)
    selector.append(String.format(
      ":nth-child(%d)", elementSiblingIndex() + 1));
  return parent().cssSelector() + selector.toString();
}

代码示例来源：origin: vsch/flexmark-java

} else {
  final Set<String> classNames = element.classNames();
  if (!classNames.isEmpty()) {
    for (String clazz : classNames) {

代码示例来源：origin: mangstadt/ez-vcard

/**
 * Gets the element's CSS classes.
 * @return the CSS classes
 */
public Set<String> classNames() {
  return element.classNames();
}

代码示例来源：origin: stackoverflow.com

String html="<<your html content>>";
Document doc = Jsoup.parse(html);
Element ele=doc.getElementsContainingOwnText("Hello World").first.clone(); //get tag containing Hello world
HashSet<String>class=ele.classNames(); //gives you the classnames of element containing Hello world

代码示例来源：origin: astamuse/asta4d

public Element classNames(Set<String> classNames) {
  return originElement.classNames(classNames);
}

代码示例来源：origin: astamuse/asta4d

public Set<String> classNames() {
  return originElement.classNames();
}

代码示例来源：origin: astamuse/asta4d

@Override
  protected void configure(Element elem, String attrName, Object attrValue) {
    elem.removeAttr(ExtNodeConstants.ATTR_DATAREF_PREFIX_WITH_NS + attrName);
    elem.removeAttr(attrName);
    // for remove all class definition, we have to clear the
    // classNames too.
    if (attrName.equals("class")) {
      elem.classNames().clear();
    }
  }
},

代码示例来源：origin: com.wandrell.velocity/maven-site-fixer

/**
 * Finds a set of elements through a CSS selector and removes the received
 * class from them, if they have it.
 * <p>
 * If the elements end without classes then the class attribute is also
 * removed.
 * 
 * @param root
 *            root element for the selection
 * @param selector
 *            CSS selector for the elements with the class to remove
 * @param className
 *            class to remove
 */
public final void removeClass(final Element root, final String selector,
    final String className) {
  final Iterable<Element> elements; // Elements selected
  checkNotNull(root, "Received a null pointer as root element");
  checkNotNull(selector, "Received a null pointer as selector");
  checkNotNull(className, "Received a null pointer as className");
  // Selects and iterates over the elements
  elements = root.select(selector);
  for (final Element element : elements) {
    element.removeClass(className);
    if (element.classNames().isEmpty()) {
      element.removeAttr("class");
    }
  }
}

代码示例来源：origin: GistLabs/mechanize

public static String getAttributeValueOfJSoupElement(Element element, String attributeKey) {
  if(attributeKey.startsWith("${") && attributeKey.endsWith("}")) {
    if(attributeKey.equals(HtmlSpecialAttributes.SPECIAL_ATTRIBUTE_TEXT))
      return element.text();
    else if(attributeKey.equals(HtmlSpecialAttributes.SPECIAL_ATTRIBUTE_INNER_HTML))
      return element.html();
    else if(attributeKey.equals(HtmlSpecialAttributes.SPECIAL_ATTRIBUTE_HTML))
      return element.outerHtml();
    else if(attributeKey.equals(HtmlSpecialAttributes.SPECIAL_ATTRIBUTE_TAG_NAME))
      return element.tagName();
    else if(attributeKey.equals(HtmlSpecialAttributes.SPECIAL_ATTRIBUTE_CLASS_NAMES)) {
      StringBuilder result = new StringBuilder();
      for(String name : element.classNames()) {
        if(result.length() > 0)
          result.append(",");
        result.append(name);
      }
      return result.toString();
    }
    else 
      return null;
  }
  else
    return element.attr(attributeKey);
}

代码示例来源：origin: stackoverflow.com

Set<String> cssClasses = cssElement.classNames();
cssClasses.forEach( c -> result.append( '.' ).append( c ) );
result.append( ' ' );

代码示例来源：origin: mangstadt/ez-vcard

if (node instanceof Element) {
  Element e = (Element) node;
  if (e.classNames().contains("type")) {

代码示例来源：origin: JavaChat/OakBot

break;
case "span":
  if (linkText != null && element.classNames().contains("ob-post-tag")) {
    inTag = true;

代码示例来源：origin: mangstadt/ez-vcard

private void visit(Element element) {
  boolean visitChildren = true;
  Set<String> classNames = element.classNames();
  for (String className : classNames) {
    className = className.toLowerCase();