biweekly.util
Class XmlUtils

java.lang.Object
  biweekly.util.XmlUtils

public class XmlUtils
extends Object

Generic XML utility methods.

Author:

Michael Angstadt

Method Summary

static Document	createDocument() Creates a new XML document.
static Element	getFirstChildElement(Element parent) Gets the first child element of an element.
static Element	getRootElement(Document parent) Gets the root element of a document.
static Document	toDocument(Reader reader) Parses an XML document from a reader.
static Document	toDocument(String xml) Parses an XML string into a DOM.
static List<Element>	toElementList(NodeList nodeList) Gets all the elements out of a NodeList.
static String	toString(Node node) Converts an XML node to a string.
static String	toString(Node node, Map<String,String> outputProperties) Converts an XML node to a string.
static void	toWriter(Node node, Writer writer) Writes an XML node to a writer.
static void	toWriter(Node node, Writer writer, Map<String,String> outputProperties) Writes an XML node to a writer.

Methods inherited from class java.lang.Object

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

Method Detail

createDocument

public static Document createDocument()

Creates a new XML document.

Returns:

the XML document

toDocument

public static Document toDocument(String xml)
                           throws SAXException

Parses an XML string into a DOM.

Parameters:

xml - the XML string

Returns:

the parsed DOM

Throws:

SAXException - if the string is not valid XML

toDocument

public static Document toDocument(Reader reader)
                           throws SAXException,
                                  IOException

Parses an XML document from a reader.

Parameters:

reader - the reader

Returns:

the parsed DOM

Throws:

SAXException - if the XML is not valid

IOException - if there is a problem reading from the reader

toString

public static String toString(Node node)

Converts an XML node to a string.

Parameters:

node - the XML node

Returns:

the string

toString

public static String toString(Node node,
                              Map<String,String> outputProperties)

Converts an XML node to a string.

Parameters:

node - the XML node

outputProperties - the output properties

Returns:

the string

toWriter

public static void toWriter(Node node,
                            Writer writer)
                     throws TransformerException

Writes an XML node to a writer.

Parameters:

node - the XML node

writer - the writer

Throws:

TransformerException - if there's a problem writing to the writer

toWriter

public static void toWriter(Node node,
                            Writer writer,
                            Map<String,String> outputProperties)
                     throws TransformerException

Writes an XML node to a writer.

Parameters:

node - the XML node

writer - the writer

outputProperties - the output properties

Throws:

TransformerException - if there's a problem writing to the writer

toElementList

public static List<Element> toElementList(NodeList nodeList)

Gets all the elements out of a NodeList.

Parameters:

nodeList - the node list

Returns:

the elements

getRootElement

public static Element getRootElement(Document parent)

Gets the root element of a document.

Parameters:

parent - the document

Returns:

the root element

getFirstChildElement

public static Element getFirstChildElement(Element parent)

Gets the first child element of an element.

Parameters:

parent - the parent element

Returns:

the first child element or null if there are no child elements