org.picketlink.common.util

Class DocumentUtil

java.lang.Object

org.picketlink.common.util.DocumentUtil

public class DocumentUtil
extends Object

Utility dealing with DOM

Since:

Jan 14, 2009

Author:

Anil.Saldhana@redhat.com

Constructor Summary

Constructors

Constructor and Description
DocumentUtil()

Method Summary

Methods

Modifier and Type	Method and Description
static String	asString(Document doc) Get the document as a string while ignoring any exceptions
static boolean	containsNode(Document doc, Node node) Check whether a node belongs to a document
static Document	createDocument() Create a new document
static Document	createDocumentWithBaseNamespace(String baseNamespace, String localPart) Create a document with the root element of the form <someElement xmlns="customNamespace"
static Element	getChildElement(Element doc, QName elementQName) Get an child element from the parent element given its QName
static Document	getDocument(File file) Get Document from a file
static Document	getDocument(InputStream is) Get Document from an inputstream
static Document	getDocument(Reader reader) Parse a document from a reader
static Document	getDocument(String docString) Parse a document from the string
static String	getDocumentAsString(Document signedDoc) Marshall a document into a String
static Document	getDocumentFromSource(Source source)
static String	getDOMElementAsString(Element element) Marshall a DOM Element as string
static Element	getElement(Document doc, QName elementQName) Get an element from the document given its QName
static InputStream	getNodeAsStream(Node node) Stream a DOM Node as an input stream
static String	getNodeAsString(Node node) Stream a DOM Node as a String
static Node	getNodeFromSource(Source source)
static Node	getNodeWithAttribute(Document document, String nsURI, String nodeName, String attributeName, String attributeValue) Given a document, return a Node with the given node name and an attribute with a particular attribute value
static InputStream	getSourceAsStream(Source source) Get the Source as an InputStream
static Source	getXMLSource(Document doc) Get a Source given a Document
static void	logNodes(Document doc) Log the nodes in the document
static Document	normalizeNamespaces(Document doc) DOM3 method: Normalize the document with namespaces

Methods inherited from class java.lang.Object

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

Constructor Detail

DocumentUtil

public DocumentUtil()

Method Detail

containsNode

public static boolean containsNode(Document doc,
                   Node node)

Check whether a node belongs to a document

Parameters:

doc -

node -

Returns:

createDocument

public static Document createDocument()
                               throws ConfigurationException

Create a new document

Returns:

Throws:

ParserConfigurationException

ConfigurationException

createDocumentWithBaseNamespace

public static Document createDocumentWithBaseNamespace(String baseNamespace,
                                       String localPart)
                                                throws ProcessingException

Create a document with the root element of the form <someElement xmlns="customNamespace"

Parameters:

baseNamespace -

Returns:

Throws:

ProcessingException

getDocument

public static Document getDocument(String docString)
                            throws ConfigurationException,
                                   ParsingException,
                                   ProcessingException

Parse a document from the string

Parameters:

docString -

Returns:

Throws:

IOException

SAXException

ParserConfigurationException

ConfigurationException

ParsingException

ProcessingException

getDocument

public static Document getDocument(Reader reader)
                            throws ConfigurationException,
                                   ProcessingException,
                                   ParsingException

Parse a document from a reader

Parameters:

reader -

Returns:

Throws:

ParsingException

ParserConfigurationException

IOException

SAXException

ConfigurationException

ProcessingException

getDocument

public static Document getDocument(File file)
                            throws ConfigurationException,
                                   ProcessingException,
                                   ParsingException

Get Document from a file

Parameters:

file -

Returns:

Throws:

ParserConfigurationException

IOException

SAXException

ConfigurationException

ProcessingException

ParsingException

getDocument

public static Document getDocument(InputStream is)
                            throws ConfigurationException,
                                   ProcessingException,
                                   ParsingException

Get Document from an inputstream

Parameters:

is -

Returns:

Throws:

ParserConfigurationException

IOException

SAXException

ConfigurationException

ProcessingException

ParsingException

getDocumentAsString

public static String getDocumentAsString(Document signedDoc)
                                  throws ProcessingException,
                                         ConfigurationException

Marshall a document into a String

Parameters:

signedDoc -

Returns:

Throws:

TransformerFactoryConfigurationError

TransformerException

ProcessingException

ConfigurationException

getDOMElementAsString

public static String getDOMElementAsString(Element element)
                                    throws ProcessingException,
                                           ConfigurationException

Marshall a DOM Element as string

Parameters:

element -

Returns:

Throws:

TransformerFactoryConfigurationError

TransformerException

ProcessingException

ConfigurationException

getElement

public static Element getElement(Document doc,
                 QName elementQName)

Get an element from the document given its QName

First an attempt to get the element based on its namespace is made, failing which an element with the localpart ignoring any namespace is returned.

Parameters:

doc -

elementQName -

Returns:

getChildElement

public static Element getChildElement(Element doc,
                      QName elementQName)

Get an child element from the parent element given its QName

First an attempt to get the element based on its namespace is made, failing which an element with the localpart ignoring any namespace is returned.

Parameters:

doc -

elementQName -

Returns:

getNodeAsStream

public static InputStream getNodeAsStream(Node node)
                                   throws ConfigurationException,
                                          ProcessingException

Stream a DOM Node as an input stream

Parameters:

node -

Returns:

Throws:

TransformerFactoryConfigurationError

TransformerException

ConfigurationException

ProcessingException

getSourceAsStream

public static InputStream getSourceAsStream(Source source)
                                     throws ConfigurationException,
                                            ProcessingException

Get the Source as an InputStream

Parameters:

source -

Returns:

Throws:

ConfigurationException

ProcessingException

getNodeAsString

public static String getNodeAsString(Node node)
                              throws ConfigurationException,
                                     ProcessingException

Stream a DOM Node as a String

Parameters:

node -

Returns:

Throws:

ProcessingException

TransformerFactoryConfigurationError

TransformerException

ConfigurationException

getNodeWithAttribute

public static Node getNodeWithAttribute(Document document,
                        String nsURI,
                        String nodeName,
                        String attributeName,
                        String attributeValue)
                                 throws XPathException,
                                        TransformerFactoryConfigurationError,
                                        TransformerException

Given a document, return a Node with the given node name and an attribute with a particular attribute value

Parameters:

document -

nsURI -

nodeName -

attributeName -

attributeValue -

Returns:

Throws:

XPathException

TransformerFactoryConfigurationError

TransformerException

normalizeNamespaces

public static Document normalizeNamespaces(Document doc)

DOM3 method: Normalize the document with namespaces

Parameters:

doc -

Returns:

getXMLSource

public static Source getXMLSource(Document doc)

Get a Source given a Document

Parameters:

doc -

Returns:

asString

public static String asString(Document doc)

Get the document as a string while ignoring any exceptions

Parameters:

doc -

Returns:

logNodes

public static void logNodes(Document doc)

Log the nodes in the document

Parameters:

doc -

getNodeFromSource

public static Node getNodeFromSource(Source source)
                              throws ProcessingException,
                                     ConfigurationException

Throws:

ProcessingException

ConfigurationException

getDocumentFromSource

public static Document getDocumentFromSource(Source source)
                                      throws ProcessingException,
                                             ConfigurationException

Throws:

ProcessingException

ConfigurationException