org.springframework.util.xml

类 DomUtils

java.lang.Object

org.springframework.util.xml.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.

从以下版本开始:

1.2

作者:

Juergen Hoeller, Rob Harrop, Costin Leau, Arjen Poutsma, Luke Taylor

另请参阅:

Node, Element

构造器概要

构造器

构造器和说明
DomUtils()

方法概要

限定符和类型	方法和说明
static ContentHandler	createContentHandler(Node node) Returns a SAX ContentHandler that transforms callback calls to DOM Nodes.
static Element	getChildElementByTagName(Element ele, String childEleName) Utility method that returns the first child element identified by its name.
static List<Element>	getChildElements(Element ele) Retrieves all child elements of the given DOM element
static List<Element>	getChildElementsByTagName(Element ele, String... childEleNames) Retrieves all child elements of the given DOM element that match any of the given element names.
static List<Element>	getChildElementsByTagName(Element ele, String childEleName) Retrieves all child elements of the given DOM element that match the given element name.
static String	getChildElementValueByTagName(Element ele, String childEleName) Utility method that returns the first child element value identified by its name.
static String	getTextValue(Element valueEle) Extracts the text value from the given DOM element, ignoring XML comments.
static boolean	nodeNameEquals(Node node, String desiredName) Namespace-aware equals comparison.

从类继承的方法 java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

构造器详细资料

DomUtils

public DomUtils()

方法详细资料

getChildElementsByTagName

public static List<Element> getChildElementsByTagName(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).

参数:

ele - the DOM element to analyze

childEleNames - the child element names to look for

返回:

a List of child org.w3c.dom.Element instances

另请参阅:

Element, Element.getElementsByTagName(java.lang.String)

getChildElementsByTagName

public static List<Element> getChildElementsByTagName(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).

参数:

ele - the DOM element to analyze

childEleName - the child element name to look for

返回:

a List of child org.w3c.dom.Element instances

另请参阅:

Element, Element.getElementsByTagName(java.lang.String)

getChildElementByTagName

@Nullable
public static Element getChildElementByTagName(Element ele,
                                                          String childEleName)

Utility method that returns the first child element identified by its name.

参数:

ele - the DOM element to analyze

childEleName - the child element name to look for

返回:

the org.w3c.dom.Element instance, or null if none found

getChildElementValueByTagName

@Nullable
public static String getChildElementValueByTagName(Element ele,
                                                              String childEleName)

Utility method that returns the first child element value identified by its name.

参数:

ele - the DOM element to analyze

childEleName - the child element name to look for

返回:

the extracted text value, or null if no child element found

getChildElements

public static List<Element> getChildElements(Element ele)

Retrieves all child elements of the given DOM element

参数:

ele - the DOM element to analyze

返回:

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.

另请参阅:

CharacterData, EntityReference, Comment

nodeNameEquals

public static boolean nodeNameEquals(Node node,
                                     String desiredName)

Namespace-aware equals comparison. Returns true if either Node.getLocalName() or Node.getNodeName() equals desiredName, otherwise returns false.

createContentHandler

public static ContentHandler createContentHandler(Node node)

Returns a SAX ContentHandler that transforms callback calls to DOM Nodes.

参数:

node - the node to publish events to

返回:

the content handler