Class DomUtils


  • public abstract class DomUtils
    extends Object
    Convenience methods for working with the DOM API, in particular for working with DOM Nodes and DOM Elements.
    Since:
    1.2
    Author:
    Juergen Hoeller, Rob Harrop, Costin Leau, Arjen Poutsma, Luke Taylor
    See Also:
    Node, Element
    • Constructor Detail

    • Method Detail

      • getChildElementsByTagName

        public static List<ElementgetChildElementsByTagName​(Element ele,
                                                              String... childEleNames)
        Retrieves all child elements of the given DOM element that match any of the given element names. Only looks at the direct child level of the given element; do not go into further depth (in contrast to the DOM API's getElementsByTagName method).
        Parameters:
        ele - the DOM element to analyze
        childEleNames - the child element names to look for
        Returns:
        a List of child org.w3c.dom.Element instances
        See Also:
        Element, Element.getElementsByTagName(java.lang.String)
      • getChildElementsByTagName

        public static List<ElementgetChildElementsByTagName​(Element ele,
                                                              String childEleName)
        Retrieves all child elements of the given DOM element that match the given element name. Only look at the direct child level of the given element; do not go into further depth (in contrast to the DOM API's getElementsByTagName method).
        Parameters:
        ele - the DOM element to analyze
        childEleName - the child element name to look for
        Returns:
        a List of child org.w3c.dom.Element instances
        See Also:
        Element, Element.getElementsByTagName(java.lang.String)
      • getChildElementByTagName

        public static Element getChildElementByTagName​(Element ele,
                                                       String childEleName)
        Utility method that returns the first child element identified by its name.
        Parameters:
        ele - the DOM element to analyze
        childEleName - the child element name to look for
        Returns:
        the org.w3c.dom.Element instance, or null if none found
      • getChildElementValueByTagName

        public static String getChildElementValueByTagName​(Element ele,
                                                           String childEleName)
        Utility method that returns the first child element value identified by its name.
        Parameters:
        ele - the DOM element to analyze
        childEleName - the child element name to look for
        Returns:
        the extracted text value, or null if no child element found
      • getChildElements

        public static List<ElementgetChildElements​(Element ele)
        Retrieves all child elements of the given DOM element
        Parameters:
        ele - the DOM element to analyze
        Returns:
        a List of child org.w3c.dom.Element instances
      • getTextValue

        public static String getTextValue​(Element valueEle)
        Extracts the text value from the given DOM element, ignoring XML comments.

        Appends all CharacterData nodes and EntityReference nodes into a single String value, excluding Comment nodes. Only exposes actual user-specified text, no default values of any kind.

        See Also:
        CharacterData, EntityReference, Comment
      • createContentHandler

        public static ContentHandler createContentHandler​(Node node)
        Returns a SAX ContentHandler that transforms callback calls to DOM Nodes.
        Parameters:
        node - the node to publish events to
        Returns:
        the content handler