geo.google.utils
Class XmlUtils

java.lang.Object
  geo.google.utils.XmlUtils

public class XmlUtils
extends Object

Constructor Summary

XmlUtils()

Method Summary

static XPath	newXPath()
static Document	parse(String xml) Parse an xml string into document.
static Node	selectNode(Node context, String xpath) Selects a single node using the specified XPath.
static String	selectValue(Node context, String xpath) Selects a single value using the specified XPath.
static InputSource	stringToInputSource(String xml)
static void	traverseTreeDepthFirst(Node node, NodeProcessor processor) Depth first traversal preProcess() function in NodeProcessor is called before visiting children postProcess() function in NodeProcessor is called before visiting children

Methods inherited from class java.lang.Object

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

Constructor Detail

XmlUtils

public XmlUtils()

Method Detail

newXPath

public static XPath newXPath()

parse

public static Document parse(String xml)
                      throws ParserConfigurationException,
                             SAXException,
                             IOException

Parse an xml string into document.

Throws:

ParserConfigurationException

SAXException

IOException

stringToInputSource

public static InputSource stringToInputSource(String xml)

Returns:

an InputSource based on the given string of xml

selectValue

public static String selectValue(Node context,
                                 String xpath)
                          throws XPathExpressionException

Selects a single value using the specified XPath.

Throws:

XPathExpressionException

selectNode

public static Node selectNode(Node context,
                              String xpath)
                       throws XPathExpressionException

Selects a single node using the specified XPath.

Throws:

XPathExpressionException

traverseTreeDepthFirst

public static void traverseTreeDepthFirst(Node node,
                                          NodeProcessor processor)

Depth first traversal preProcess() function in NodeProcessor is called before visiting children postProcess() function in NodeProcessor is called before visiting children

Parameters:

node - - the root of the tree for traversal

processor - - process function to called when visit the node