ru.sstu.xml
Class XPathUtil

java.lang.Object
  ru.sstu.xml.XPathUtil

public final class XPathUtil
extends Object

XPathUtil class is utility class for XPath Expressions.

Since:

XML 1.0

Author:

Denis Murashev

Method Summary

static boolean	exists(Node context, String xPath) Checks if given XPath exists in given context.
static Element	getElement(Node context, String xPath) Search for element for given XPath in given context.
static Element[]	getElements(Node context, String xPath) Search for elements for given XPath in given context.
static Node	getNode(Node context, String xPath) Search for node for given XPath in given context.
static Node[]	getNodes(Node context, String xPath) Search for nodes for given XPath in given context.
static Number	getNumber(Node context, String xPath) Search for number for given XPath in given context.
static String	getText(Node context, String xPath) Search for text for given XPath in given context.

Methods inherited from class java.lang.Object

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

Method Detail

getElement

public static Element getElement(Node context,
                                 String xPath)
                          throws XmlException

Search for element for given XPath in given context.

Parameters:

context - context Node

xPath - XPath expression

Returns:

Element found

Throws:

XmlException - if some error occurs

getNode

public static Node getNode(Node context,
                           String xPath)
                    throws XmlException

Search for node for given XPath in given context.

Parameters:

context - context Node

xPath - XPath expression

Returns:

Node found

Throws:

XmlException - if some error occurs

getElements

public static Element[] getElements(Node context,
                                    String xPath)
                             throws XmlException

Search for elements for given XPath in given context.

Parameters:

context - context Node

xPath - XPath expression

Returns:

array of Elements found

Throws:

XmlException - if some error occurs

getNodes

public static Node[] getNodes(Node context,
                              String xPath)
                       throws XmlException

Search for nodes for given XPath in given context.

Parameters:

context - context Node

xPath - XPath expression

Returns:

array of Nodes found

Throws:

XmlException - if some error occurs

getText

public static String getText(Node context,
                             String xPath)
                      throws XmlException

Search for text for given XPath in given context.

Parameters:

context - context Node

xPath - XPath expression

Returns:

text found

Throws:

XmlException - if some error occurs

getNumber

public static Number getNumber(Node context,
                               String xPath)
                        throws XmlException

Search for number for given XPath in given context.

Parameters:

context - context Node

xPath - XPath expression

Returns:

number found

Throws:

XmlException - if some error occurs

exists

public static boolean exists(Node context,
                             String xPath)
                      throws XmlException

Checks if given XPath exists in given context.

Parameters:

context - context Node

xPath - XPath expression

Returns:

true if XPath exists

Throws:

XmlException - if some error occurs