org.deegree.framework.xml
Class XMLTools

java.lang.Object
  org.deegree.framework.xml.XMLTools

public final class XMLTools
extends Object

XML Tools based on JAXP 1.1 for parsing documents and retrieving node values/node attributes. Furthermore this utility class provides node retrieval based on XPath expressions.

Version:

$Revision: 12137 $, $Date: 2008-06-04 10:28:43 +0200 (Mi, 04 Jun 2008) $

Author:

Markus Schneider , Andreas Poth , last edited by: $Author: aschmitz $

Method Summary

static Element	appendElement(Element element, URI namespaceURI, String name) Creates a new Element node from the given parameters and appends it to the also specified Element.
static Element	appendElement(Element element, URI namespaceURI, String name, String nodeValue) Creates a new Element node from the given parameters and appends it to the also specified Element.
static void	appendNSBinding(Element element, String prefix, URI namespace) Appends a namespace binding for the specified element that binds the given prefix to the given namespace using a special attribute: xmlns:prefix=namespace
static void	appendNSBindings(Element element, NamespaceContext nsContext) Appends the given namespace bindings to the specified element.
static void	appendNSDefaultBinding(Element element, URI namespace) Appends the default namespace binding for the specified element.
static void	checkValue(String value, String[] validValues)
static Node	copyNode(Node source, Node dest) Copies one node to another node.
static Document	create() Create a new and empty DOM document.
static String	escape(String str) This method escapes Strings for XML by creating a DOM document, setting the text in an attribute, exporting it to text and extracting the escaped string.
static String	getAttrValue(Node node, String attrName) Deprecated. use
static String	getAttrValue(Node node, URI namespaceURI, String attrName, String defaultVal) Returns the specified attribute value of the given node.
static Element	getChildElement(Node node, String name) Deprecated. Returns the first child element of the submitted node that matches the given local name.
static Element	getChildElement(String name, URI namespaceURI, Node node) Deprecated.
static ElementList	getChildElements(Node node) Returns all child elements of the given node.
static ElementList	getChildElements(String name, URI namespaceURI, Node node) Deprecated.
static DocumentBuilder	getDocumentBuilder() Create a new document builder with: namespace awareness = true whitespace ignoring = false validating = false expandind entity references = false
static Element	getElement(Node contextNode, String xpath, NamespaceContext nsContext)
static List<Element>	getElements(Node contextNode, String xpath, NamespaceContext nsContext)
static Element	getFirstChildElement(Node node) Returns the first child element of the submitted node.
static URI	getNamespaceForPrefix(String prefix, Node node) Returns the namespace URI that is bound to a given prefix at a certain node in the DOM tree.
static Node	getNode(Node contextNode, String xPathQuery, NamespaceContext nsContext)
static boolean	getNodeAsBoolean(Node contextNode, String xPathQuery, NamespaceContext nsContext, boolean defaultValue)
static double	getNodeAsDouble(Node contextNode, String xPathQuery, NamespaceContext nsContext, double defaultValue)
static int	getNodeAsInt(Node contextNode, String xPathQuery, NamespaceContext nsContext, int defaultValue)
static QualifiedName	getNodeAsQualifiedName(Node contextNode, String xPathQuery, NamespaceContext nsContext, QualifiedName defaultValue)
static String	getNodeAsString(Node contextNode, String xPathQuery, NamespaceContext nsContext, String defaultValue)
static URI	getNodeAsURI(Node contextNode, String xPathQuery, NamespaceContext nsContext, URI defaultValue)
static List<Node>	getNodes(Node contextNode, String xPathQuery, NamespaceContext nsContext) returns a list of nodes matching the passed XPath
static QualifiedName[]	getNodesAsQualifiedNames(Node contextNode, String xPathQuery, NamespaceContext nsContext)
static List<String>	getNodesAsStringList(Node contextNode, String xPathQuery, NamespaceContext nsContext)
static String[]	getNodesAsStrings(Node contextNode, String xPathQuery, NamespaceContext nsContext)
static URI[]	getNodesAsURIs(Node contextNode, String xPathQuery, NamespaceContext nsContext)
static QualifiedName	getQualifiedNameValue(Node node) Parses the value of the submitted Node as a QualifiedName.
static String	getRequiredAttrValue(String name, URI namespaceURI, Node node) Returns the value of the specified node attribute.
static Element	getRequiredChildElement(String name, URI namespaceURI, Node node) Deprecated.
static Element	getRequiredElement(Node contextNode, String xpath, NamespaceContext nsContext)
static List<Element>	getRequiredElements(Node contextNode, String xpath, NamespaceContext nsContext)
static Node	getRequiredNode(Node contextNode, String xPathQuery, NamespaceContext nsContext)
static boolean	getRequiredNodeAsBoolean(Node contextNode, String xPathQuery, NamespaceContext nsContext)
static double	getRequiredNodeAsDouble(Node contextNode, String xPathQuery, NamespaceContext nsContext)
static double[]	getRequiredNodeAsDoubles(Node contextNode, String xPathQuery, NamespaceContext nsContext, String regex) Returns the parts of the targeted node value which are separated by the specified regex.
static int	getRequiredNodeAsInt(Node contextNode, String xPathQuery, NamespaceContext nsContext)
static QualifiedName	getRequiredNodeAsQualifiedName(Node contextNode, String xPathQuery, NamespaceContext nsContext)
static String	getRequiredNodeAsString(Node contextNode, String xPathQuery, NamespaceContext nsContext)
static String	getRequiredNodeAsString(Node contextNode, String xPathQuery, NamespaceContext nsContext, String[] validValues)
static String[]	getRequiredNodeAsStrings(Node contextNode, String xPathQuery, NamespaceContext nsContext, String regex) Returns the parts of the targeted node value which are separated by the specified regex.
static URI	getRequiredNodeAsURI(Node contextNode, String xPathQuery, NamespaceContext nsContext)
static List<Node>	getRequiredNodes(Node contextNode, String xPathQuery, NamespaceContext nsContext)
static QualifiedName[]	getRequiredNodesAsQualifiedNames(Node contextNode, String xPathQuery, NamespaceContext nsContext)
static String[]	getRequiredNodesAsStrings(Node contextNode, String xPathQuery, NamespaceContext nsContext) Returns the content of the nodes matching the XPathQuery as a String array.
static String	getRequiredStringValue(String name, URI namespace, Node node) Returns the text contained in the specified child element of the given element.
static Element	getStringFragmentAsElement(String fragment) Converts an XML fragment string into a DOM node.
static String	getStringValue(Node node) Returns the text contained in the specified element.
static String	getStringValue(String name, URI namespace, Node node, String defaultValue) Returns the text contained in the specified child element of the given element.
static Element	importStringFragment(String fragment, Document doc) Works like getStringFragmentAsElement(java.lang.String), but does not throw exceptions and immediately imports the node into another document.
static Node	insertNodeInto(Node source, Node dest) Appends a node to an element.
static Document	parse(InputStream is) Deprecated.
static Document	parse(Reader reader) Parses an XML document and returns a DOM object.
static void	setNodeValue(Element target, String nodeValue) sets the value of an existing node

Methods inherited from class java.lang.Object

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

Method Detail

getNode

public static Node getNode(Node contextNode,
                           String xPathQuery,
                           NamespaceContext nsContext)
                    throws XMLParsingException

Parameters:

contextNode -

xPathQuery -

nsContext -

Returns:

Node

Throws:

XMLParsingException

getElement

public static Element getElement(Node contextNode,
                                 String xpath,
                                 NamespaceContext nsContext)
                          throws XMLParsingException

Parameters:

contextNode -

xpath -

nsContext -

Returns:

the element

Throws:

XMLParsingException

ClassCastException - if the node was not an element

getNodeAsString

public static String getNodeAsString(Node contextNode,
                                     String xPathQuery,
                                     NamespaceContext nsContext,
                                     String defaultValue)
                              throws XMLParsingException

Parameters:

contextNode -

xPathQuery -

nsContext -

defaultValue -

Returns:

the node's String value

Throws:

XMLParsingException

getNodeAsBoolean

public static boolean getNodeAsBoolean(Node contextNode,
                                       String xPathQuery,
                                       NamespaceContext nsContext,
                                       boolean defaultValue)
                                throws XMLParsingException

Parameters:

contextNode -

xPathQuery -

nsContext -

defaultValue -

Returns:

the node's boolean value

Throws:

XMLParsingException

getNodeAsInt

public static int getNodeAsInt(Node contextNode,
                               String xPathQuery,
                               NamespaceContext nsContext,
                               int defaultValue)
                        throws XMLParsingException

Parameters:

contextNode -

xPathQuery -

nsContext -

defaultValue -

Returns:

the node's integer value

Throws:

XMLParsingException

getNodeAsDouble

public static double getNodeAsDouble(Node contextNode,
                                     String xPathQuery,
                                     NamespaceContext nsContext,
                                     double defaultValue)
                              throws XMLParsingException

Parameters:

contextNode -

xPathQuery -

nsContext -

defaultValue -

Returns:

the node's double value

Throws:

XMLParsingException

getNodeAsURI

public static URI getNodeAsURI(Node contextNode,
                               String xPathQuery,
                               NamespaceContext nsContext,
                               URI defaultValue)
                        throws XMLParsingException

Parameters:

contextNode -

xPathQuery -

nsContext -

defaultValue -

Returns:

the node as URI

Throws:

XMLParsingException

getNodeAsQualifiedName

public static QualifiedName getNodeAsQualifiedName(Node contextNode,
                                                   String xPathQuery,
                                                   NamespaceContext nsContext,
                                                   QualifiedName defaultValue)
                                            throws XMLParsingException

Parameters:

contextNode -

xPathQuery -

nsContext -

defaultValue -

Returns:

the node as qualified name

Throws:

XMLParsingException

getNodes

public static List<Node> getNodes(Node contextNode,
                                  String xPathQuery,
                                  NamespaceContext nsContext)
                           throws XMLParsingException

returns a list of nodes matching the passed XPath

Parameters:

contextNode -

xPathQuery -

nsContext -

Returns:

a list of nodes matching the passed XPath

Throws:

XMLParsingException

getNodesAsStrings

public static String[] getNodesAsStrings(Node contextNode,
                                         String xPathQuery,
                                         NamespaceContext nsContext)
                                  throws XMLParsingException

Parameters:

contextNode -

xPathQuery -

nsContext -

Returns:

the list of nodes as strings

Throws:

XMLParsingException

getNodesAsStringList

public static List<String> getNodesAsStringList(Node contextNode,
                                                String xPathQuery,
                                                NamespaceContext nsContext)
                                         throws XMLParsingException

Parameters:

contextNode - to get the strings from

xPathQuery - finding the nodes

nsContext - to find the namespaces from.

Returns:

the list of nodes as strings or an empty list, never null

Throws:

XMLParsingException

getNodesAsURIs

public static URI[] getNodesAsURIs(Node contextNode,
                                   String xPathQuery,
                                   NamespaceContext nsContext)
                            throws XMLParsingException

Parameters:

contextNode -

xPathQuery -

nsContext -

Returns:

the nodes as URIs

Throws:

XMLParsingException

getNodesAsQualifiedNames

public static QualifiedName[] getNodesAsQualifiedNames(Node contextNode,
                                                       String xPathQuery,
                                                       NamespaceContext nsContext)
                                                throws XMLParsingException

Parameters:

contextNode -

xPathQuery -

nsContext -

Returns:

the nodes as qualified names

Throws:

XMLParsingException

getRequiredNode

public static Node getRequiredNode(Node contextNode,
                                   String xPathQuery,
                                   NamespaceContext nsContext)
                            throws XMLParsingException

Parameters:

contextNode -

xPathQuery -

nsContext -

Returns:

the node

Throws:

XMLParsingException

getRequiredElement

public static Element getRequiredElement(Node contextNode,
                                         String xpath,
                                         NamespaceContext nsContext)
                                  throws XMLParsingException

Parameters:

contextNode -

xpath -

nsContext -

Returns:

the element

Throws:

XMLParsingException

ClassCastException - if the node was not an element

getRequiredNodeAsString

public static String getRequiredNodeAsString(Node contextNode,
                                             String xPathQuery,
                                             NamespaceContext nsContext)
                                      throws XMLParsingException

Parameters:

contextNode -

xPathQuery -

nsContext -

Returns:

the node as string

Throws:

XMLParsingException

getRequiredNodeAsString

public static String getRequiredNodeAsString(Node contextNode,
                                             String xPathQuery,
                                             NamespaceContext nsContext,
                                             String[] validValues)
                                      throws XMLParsingException

Parameters:

contextNode - the parent of the requested node

xPathQuery - the node to get out of the dom

nsContext - context of the node

validValues - the values that are valid for the required node

Returns:

one of the String valid String values

Throws:

XMLParsingException - if no Node was found or the text of the Node was not present in the given valid strings.

getRequiredNodeAsStrings

public static String[] getRequiredNodeAsStrings(Node contextNode,
                                                String xPathQuery,
                                                NamespaceContext nsContext,
                                                String regex)
                                         throws XMLParsingException

Returns the parts of the targeted node value which are separated by the specified regex.

Parameters:

contextNode -

xPathQuery -

nsContext -

regex -

Returns:

the parts of the targeted node value which are separated by the specified regex.

Throws:

XMLParsingException

getRequiredNodeAsBoolean

public static boolean getRequiredNodeAsBoolean(Node contextNode,
                                               String xPathQuery,
                                               NamespaceContext nsContext)
                                        throws XMLParsingException

Parameters:

contextNode -

xPathQuery -

nsContext -

Returns:

the node as boolean

Throws:

XMLParsingException

getRequiredNodeAsInt

public static int getRequiredNodeAsInt(Node contextNode,
                                       String xPathQuery,
                                       NamespaceContext nsContext)
                                throws XMLParsingException

Parameters:

contextNode -

xPathQuery -

nsContext -

Returns:

the node as integer

Throws:

XMLParsingException

getRequiredNodeAsDouble

public static double getRequiredNodeAsDouble(Node contextNode,
                                             String xPathQuery,
                                             NamespaceContext nsContext)
                                      throws XMLParsingException

Parameters:

contextNode -

xPathQuery -

nsContext -

Returns:

the node as double

Throws:

XMLParsingException

getRequiredNodeAsDoubles

public static double[] getRequiredNodeAsDoubles(Node contextNode,
                                                String xPathQuery,
                                                NamespaceContext nsContext,
                                                String regex)
                                         throws XMLParsingException

Returns the parts of the targeted node value which are separated by the specified regex. The string parts are converted to doubles.

Parameters:

contextNode -

xPathQuery -

nsContext -

regex -

Returns:

the parts of the targeted node value which are separated by the specified regex.

Throws:

XMLParsingException

getRequiredNodeAsURI

public static URI getRequiredNodeAsURI(Node contextNode,
                                       String xPathQuery,
                                       NamespaceContext nsContext)
                                throws XMLParsingException

Parameters:

contextNode -

xPathQuery -

nsContext -

Returns:

the node as URI

Throws:

XMLParsingException

getRequiredNodeAsQualifiedName

public static QualifiedName getRequiredNodeAsQualifiedName(Node contextNode,
                                                           String xPathQuery,
                                                           NamespaceContext nsContext)
                                                    throws XMLParsingException

Parameters:

contextNode -

xPathQuery -

nsContext -

Returns:

the node as qualified name

Throws:

XMLParsingException

getRequiredNodes

public static List<Node> getRequiredNodes(Node contextNode,
                                          String xPathQuery,
                                          NamespaceContext nsContext)
                                   throws XMLParsingException

Parameters:

contextNode -

xPathQuery -

nsContext -

Returns:

the nodes

Throws:

XMLParsingException

getRequiredElements

public static List<Element> getRequiredElements(Node contextNode,
                                                String xpath,
                                                NamespaceContext nsContext)
                                         throws XMLParsingException

Parameters:

contextNode -

xpath -

nsContext -

Returns:

a list of Elements

Throws:

XMLParsingException

ClassCastException - if the resulting nodes of the xpath are not elements

getElements

public static List<Element> getElements(Node contextNode,
                                        String xpath,
                                        NamespaceContext nsContext)
                                 throws XMLParsingException

Parameters:

contextNode -

xpath -

nsContext -

Returns:

a list of Elements

Throws:

XMLParsingException

ClassCastException - if the resulting nodes of the xpath are not elements

getRequiredNodesAsStrings

public static String[] getRequiredNodesAsStrings(Node contextNode,
                                                 String xPathQuery,
                                                 NamespaceContext nsContext)
                                          throws XMLParsingException

Returns the content of the nodes matching the XPathQuery as a String array. At least one node must match the query otherwise an exception will be thrown.

Parameters:

contextNode -

xPathQuery -

nsContext -

Returns:

the content of the nodes matching the XPathQuery as a String array.

Throws:

XMLParsingException

getRequiredNodesAsQualifiedNames

public static QualifiedName[] getRequiredNodesAsQualifiedNames(Node contextNode,
                                                               String xPathQuery,
                                                               NamespaceContext nsContext)
                                                        throws XMLParsingException

Parameters:

contextNode -

xPathQuery -

nsContext -

Returns:

the qualified names

Throws:

XMLParsingException

checkValue

public static void checkValue(String value,
                              String[] validValues)
                       throws XMLParsingException

Parameters:

value -

validValues -

Throws:

XMLParsingException

appendElement

public static Element appendElement(Element element,
                                    URI namespaceURI,
                                    String name)

Creates a new Element node from the given parameters and appends it to the also specified Element.

Parameters:

element - Element that the new Element is appended to

namespaceURI - use null for default namespace

name - qualified name

Returns:

the appended Element node

appendNSBinding

public static void appendNSBinding(Element element,
                                   String prefix,
                                   URI namespace)

Appends a namespace binding for the specified element that binds the given prefix to the given namespace using a special attribute: xmlns:prefix=namespace

Parameters:

element -

prefix -

namespace -

appendNSDefaultBinding

public static void appendNSDefaultBinding(Element element,
                                          URI namespace)

Appends the default namespace binding for the specified element.

Parameters:

element -

prefix -

namespace -

appendNSBindings

public static void appendNSBindings(Element element,
                                    NamespaceContext nsContext)

Appends the given namespace bindings to the specified element.

NOTE: The prebound prefix "xml" is skipped.

Parameters:

element -

nsContext -

getStringValue

public static String getStringValue(Node node)

Returns the text contained in the specified element.

Parameters:

node - current element

Returns:

the textual contents of the element

getStringValue

public static String getStringValue(String name,
                                    URI namespace,
                                    Node node,
                                    String defaultValue)

Returns the text contained in the specified child element of the given element.

Parameters:

name - name of the child element

namespace - namespace of the child element

node - current element

defaultValue - default value if element is missing

Returns:

the textual contents of the element or the given default value, if missing

getRequiredStringValue

public static String getRequiredStringValue(String name,
                                            URI namespace,
                                            Node node)
                                     throws XMLParsingException

Returns the text contained in the specified child element of the given element.

Parameters:

name - name of the child element

namespace - namespace of the child element

node - current element

Returns:

the textual contents of the element or null, if it is missing

Throws:

XMLParsingException - if the specified child element is missing

getRequiredAttrValue

public static String getRequiredAttrValue(String name,
                                          URI namespaceURI,
                                          Node node)
                                   throws XMLParsingException

Returns the value of the specified node attribute.

Parameters:

name - name of attribute

namespaceURI - namespace of attribute

node - current element

Returns:

the textual contents of the attribute

Throws:

XMLParsingException - if specified attribute is missing

getQualifiedNameValue

public static QualifiedName getQualifiedNameValue(Node node)
                                           throws XMLParsingException

Parses the value of the submitted Node as a QualifiedName.

To parse the text contents of an Element node, the actual text node must be given, not the Element node itself.

Parameters:

node -

Returns:

object representation of the element

Throws:

XMLParsingException

getNamespaceForPrefix

public static URI getNamespaceForPrefix(String prefix,
                                        Node node)
                                 throws URISyntaxException

Returns the namespace URI that is bound to a given prefix at a certain node in the DOM tree.

Parameters:

prefix -

node -

Returns:

namespace URI that is bound to the given prefix, null otherwise

Throws:

URISyntaxException

getRequiredChildElement

@Deprecated
public static Element getRequiredChildElement(String name,
                                                         URI namespaceURI,
                                                         Node node)
                                       throws XMLParsingException

Deprecated.

Returns the specified child element of the given element. If there is more than one element with that name, the first one is returned.

Parameters:

name - name of the child element

namespaceURI - namespaceURI of the child element

node - current element

Returns:

the element or null, if it is missing

Throws:

XMLParsingException - if the specified child element is missing

XMLParsingException

To do:

refactoring required

getChildElement

@Deprecated
public static Element getChildElement(String name,
                                                 URI namespaceURI,
                                                 Node node)

Deprecated.

Returns the specified child element of the given element. If there is more than one with that name, the first one is returned.

Parameters:

name - name of the child element

namespaceURI - namespace of the child element

node - current element

Returns:

the element or null, if it is missing

To do:

refactoring required

getChildElements

@Deprecated
public static ElementList getChildElements(String name,
                                                      URI namespaceURI,
                                                      Node node)

Deprecated.

Returns the specified child elements of the given element.

Parameters:

name - name of the child elements

namespaceURI - namespaceURI of the child elements

node - current element

Returns:

list of matching child elements

create

public static Document create()

Create a new and empty DOM document.

Returns:

a new and empty DOM document.

getDocumentBuilder

public static DocumentBuilder getDocumentBuilder()

Create a new document builder with:

• namespace awareness = true
• whitespace ignoring = false
• validating = false
• expandind entity references = false

Returns:

new document builder

getAttrValue

@Deprecated
public static String getAttrValue(Node node,
                                             String attrName)

Deprecated. use

Returns the specified attribute value of the given node.

Parameters:

node - current element

attrName - local name of the attribute

Returns:

the value of the attribute or null, if it is missing

See Also:

instead

getAttrValue

public static String getAttrValue(Node node,
                                  URI namespaceURI,
                                  String attrName,
                                  String defaultVal)

Returns the specified attribute value of the given node.

Parameters:

node - current element

namespaceURI - namespace of the attribute

attrName - local name of the attribute

defaultVal - default value to be returned if attribute is nat available

Returns:

the value of the attribute or null, if it is missing

parse

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

Parses an XML document and returns a DOM object. The underlying input stream is closed at the end.

Parameters:

reader - accessing the resource to parse

Returns:

a DOM object, if en error occurs the response is null

Throws:

IOException

SAXException

parse

@Deprecated
public static Document parse(InputStream is)
                      throws IOException,
                             SAXException

Deprecated.

Parses an XML document and returns a DOM object.

Parameters:

is - accessing the resource to parse

Returns:

a DOM object

Throws:

IOException

SAXException

copyNode

public static Node copyNode(Node source,
                            Node dest)

Copies one node to another node.

Parameters:

source -

dest -

Returns:

the copied node

insertNodeInto

public static Node insertNodeInto(Node source,
                                  Node dest)

Appends a node to an element.

The node can be from the same document or a different one (it is automatically imported, if necessary).

Parameters:

source -

dest -

Returns:

the element that is appended to

getFirstChildElement

public static Element getFirstChildElement(Node node)

Returns the first child element of the submitted node.

Parameters:

node -

Returns:

the first child element of the submitted node.

getChildElement

@Deprecated
public static Element getChildElement(Node node,
                                                 String name)

Deprecated. Returns the first child element of the submitted node that matches the given local name.

Parameters:

node -

name -

Returns:

the child element

getChildElements

public static ElementList getChildElements(Node node)

Returns all child elements of the given node.

Parameters:

node -

Returns:

all child elements of the given node.

setNodeValue

public static void setNodeValue(Element target,
                                String nodeValue)

sets the value of an existing node

Parameters:

target -

nodeValue -

appendElement

public static Element appendElement(Element element,
                                    URI namespaceURI,
                                    String name,
                                    String nodeValue)

Creates a new Element node from the given parameters and appends it to the also specified Element. Adds a text node to the newly generated Element as well.

Parameters:

element - Element that the new Element is appended to

namespaceURI - use null for default namespace

name - qualified name

nodeValue - value for a text node that is appended to the generated element

Returns:

the appended Element node

getStringFragmentAsElement

public static Element getStringFragmentAsElement(String fragment)
                                          throws SAXException,
                                                 IOException

Converts an XML fragment string into a DOM node. The fragment should NOT contain the XML prolog. Appends ALL default namespace bindings for ease of use with broken fragments.

Parameters:

fragment -

Returns:

a DOM element

Throws:

IOException

SAXException

importStringFragment

public static Element importStringFragment(String fragment,
                                           Document doc)

Works like getStringFragmentAsElement(java.lang.String), but does not throw exceptions and immediately imports the node into another document.

Parameters:

fragment -

doc -

Returns:

an element in the new document

escape

public static String escape(String str)

This method escapes Strings for XML by creating a DOM document, setting the text in an attribute, exporting it to text and extracting the escaped string. That means that it's slow, and the method of property using DOM to create the XML is a million times better. But if you're forced to use StringBuffers, here you have a little helper.

Parameters:

str -

Returns:

the escaped string