org.dom4j.tree
Class AbstractElement

java.lang.Object
  |
  +--org.dom4j.tree.AbstractNode
        |
        +--org.dom4j.tree.AbstractBranch
              |
              +--org.dom4j.tree.AbstractElement

All Implemented Interfaces:

Branch, Cloneable, Element, Node, Serializable

Direct Known Subclasses:

BaseElement, DefaultElement

public abstract class AbstractElement

extends AbstractBranch

implements Element

AbstractElement is an abstract base class for tree implementors to use for implementation inheritence.

Version:

$Revision: 1.68 $

Author:

James Strachan

See Also:

Serialized Form

Field Summary

protected static Iterator	EMPTY_ITERATOR
protected static List	EMPTY_LIST
protected static boolean	USE_STRINGVALUE_SEPARATOR
protected static boolean	VERBOSE_TOSTRING

Fields inherited from class org.dom4j.tree.AbstractBranch

DEFAULT_CONTENT_LIST_SIZE, outputFormat

Fields inherited from class org.dom4j.tree.AbstractNode

NODE_TYPE_NAMES

Fields inherited from interface org.dom4j.Node

ANY_NODE, ATTRIBUTE_NODE, CDATA_SECTION_NODE, COMMENT_NODE, DOCUMENT_NODE, DOCUMENT_TYPE_NODE, ELEMENT_NODE, ENTITY_REFERENCE_NODE, MAX_NODE_TYPE, NAMESPACE_NODE, PROCESSING_INSTRUCTION_NODE, TEXT_NODE, UNKNOWN_NODE

Constructor Summary

AbstractElement()

Method Summary

void	accept(Visitor visitor) accept method is the Visitor Pattern method.
void	add(Attribute attribute) Adds the given Attribute to this element.
void	add(CDATA cdata) Adds the given CDATA to this element.
void	add(Comment comment) Adds the given Comment to this branch.
void	add(Element element) Adds the given Element to this branch.
void	add(Entity entity) Adds the given Entity to this element.
void	add(Namespace namespace) Adds the given Namespace to this element.
void	add(Node node) Adds the given Node or throws IllegalAddException if the given node is not of a valid type.
void	add(ProcessingInstruction pi) Adds the given ProcessingInstruction to this branch.
void	add(Text text) Adds the given Text to this element.
Element	addAttribute(QName qName, String value) Adds the attribute value of the given fully qualified name.
Element	addAttribute(String name, String value) Adds the attribute value of the given local name.
Element	addCDATA(String cdata) Adds a new CDATA node with the given text to this element.
Element	addComment(String comment) Adds a new Comment node with the given text to this element.
Element	addElement(String name) Adds a new Element node with the given name to this branch and returns a reference to the new node.
Element	addEntity(String name, String text) Adds a new Entity node with the given name and text to this element and returns a reference to the new node.
List	additionalNamespaces() Returns any additional namespaces declarations for this element other than namespace returned via the getNamespace() method.
List	additionalNamespaces(String defaultNamespaceURI)
Element	addNamespace(String prefix, String uri) Adds a namespace to this element for use by its child content
protected void	addNewNode(Node node) Like addNode() but does not require a parent check
protected void	addNode(Node node)
Element	addProcessingInstruction(String target, Map data) Adds a processing instruction for the given target
Element	addProcessingInstruction(String target, String data) Adds a processing instruction for the given target
Element	addText(String text) Adds a new Text node with the given text to this element.
void	appendAttributes(Element element) Appends the attributes of the given element to me.
String	asXML() asXML returns the textual XML representation of this node.
Attribute	attribute(int index) Returns the attribute at the specified indexGets the
Attribute	attribute(QName qName)
Attribute	attribute(String name) Returns the attribute with the given name
Attribute	attribute(String name, Namespace namespace)
int	attributeCount()
Iterator	attributeIterator()
protected abstract List	attributeList()
protected abstract List	attributeList(int attributeCount)
List	attributes() Returns the Attribute instances this element contains as a backed List so that the attributes may be modified directly using the List interface.
String	attributeValue(QName qName) This returns the attribute value for the attribute with the given fully qualified name or null if there is no such attribute or the empty string if the attribute value is empty.
String	attributeValue(QName qName, String defaultValue) This returns the attribute value for the attribute with the given fully qualified name or the default value if there is no such attribute value.
String	attributeValue(String name) This returns the attribute value for the attribute with the given name and any namespace or null if there is no such attribute or the empty string if the attribute value is empty.
String	attributeValue(String name, String defaultValue) This returns the attribute value for the attribute with the given name and any namespace or the default value if there is no such attribute value.
protected void	childAdded(Node node) Called when a new child node is added to create any parent relationships
protected void	childRemoved(Node node) Called when a child node has been removed to allow any parent relationships to be deleted or events to be fired.
protected List	createAttributeList() A Factory Method pattern which creates a List implementation used to store attributes
protected List	createAttributeList(int size) A Factory Method pattern which creates a List implementation used to store attributes
Element	createCopy() This returns a deep clone of this element.
Element	createCopy(QName qName) Creates a deep copy of this element with the given fully qualified name.
Element	createCopy(String name) Creates a deep copy of this element with the given local name The new element is detached from its parent, and getParent() on the clone will return null.
protected Element	createElement(QName qName)
protected Element	createElement(String name)
protected Iterator	createSingleIterator(Object result)
List	declaredNamespaces() Returns all the namespaces declared by this element.
Element	element(QName qName) Returns the first element for the given fully qualified name.
Element	element(String name) Returns the first element for the given local name and any namespace.
Element	element(String name, Namespace namespace)
Iterator	elementIterator() Returns an iterator over all this elements child elements.
Iterator	elementIterator(QName qName) Returns an iterator over the elements contained in this element which match the given fully qualified name.
Iterator	elementIterator(String name) Returns an iterator over the elements contained in this element which match the given local name and any namespace.
Iterator	elementIterator(String name, Namespace namespace)
List	elements() Returns the elements contained in this element.
List	elements(QName qName) Returns the elements contained in this element with the given fully qualified name.
List	elements(String name) Returns the elements contained in this element with the given local name and any namespace.
List	elements(String name, Namespace namespace)
String	elementText(QName qName)
String	elementText(String name)
String	elementTextTrim(QName qName)
String	elementTextTrim(String name)
void	ensureAttributesCapacity(int minCapacity) Ensures that the list of attributes has the given size
Object	getData() Accesses the data of this element which may implement data typing bindings such as XML Schema or Java Bean bindings or will return the same value as AbstractBranch.getText()
protected DocumentFactory	getDocumentFactory()
String	getName() getName returns the name of this node.
Namespace	getNamespace() Returns the Namespace of this element if one exists otherwise Namespace.NO_NAMESPACE is returned.
Namespace	getNamespaceForPrefix(String prefix) Returns the Namespace which is mapped to the given prefix or null if it could not be found.
Namespace	getNamespaceForURI(String uri) Returns the Namespace which is mapped to the given URI or null if it could not be found.
String	getNamespacePrefix() Returns the namespace prefix of this element if one exists otherwise an empty String is returned.
String	getNamespaceURI() Returns the URI mapped to the namespace of this element if one exists otherwise an empty String is returned.
short	getNodeType() Returns the code according to the type of node.
String	getPath(Element context) Returns the relative XPath expression which will return a node set containing the given node such as a/b/@c.
QName	getQName(String qualifiedName) Returns the QName for the given qualified name, using the namespace URI in scope for the given prefix of the qualified name or the default namespace if the qualified name has no prefix.
String	getQualifiedName() Returns the fully qualified name of this element.
String	getStringValue() Returns the XPath string-value of this node.
String	getUniquePath(Element context) Returns the relative unique XPath expression from the given context which will return a nodeset of one node which is the current node.
String	getXPathNameStep() Returns the XPath expression to match this Elements name which is getQualifiedName() if there is a namespace prefix defined or if no namespace is present then it is getName() or if a namespace is defined with no prefix then the expression is *[name()='X'] where X = getName().
Node	getXPathResult(int index) Returns a node at the given index suitable for an XPath result set.
boolean	hasMixedContent() Returns true if this Element has mixed content.
int	indexOf(Node node) Returns the index of the given node if it is a child node of this branch or -1 if the given node is not a child node.
boolean	isRootElement()
boolean	isTextOnly() Returns true if this Element has text only content.
Node	node(int index) Returns the Node at the specified index position.
int	nodeCount() Returns the number of Node instances that this branch contains.
Iterator	nodeIterator() Returns an iterator through the content nodes of this branch
void	normalize() Puts all Text nodes in the full depth of the sub-tree underneath this Node, including attribute nodes, into a "normal" form where only structure (e.g., elements, comments, processing instructions, CDATA sections, and entity references) separates Text nodes, i.e., there are neither adjacent Text nodes nor empty Text nodes.
ProcessingInstruction	processingInstruction(String target)
List	processingInstructions() Returns a list of all the processing instructions in this branch.
List	processingInstructions(String target) Returns a list of the processing instructions for the given target.
boolean	remove(Attribute attribute) Removes the given Attribute from this element.
boolean	remove(CDATA cdata) Removes the given CDATA if the node is an immediate child of this element.
boolean	remove(Comment comment) Removes the given Comment if the node is an immediate child of this branch.
boolean	remove(Element element) Removes the given Element if the node is an immediate child of this branch.
boolean	remove(Entity entity) Removes the given Entity if the node is an immediate child of this element.
boolean	remove(Namespace namespace) Removes the given Namespace if the node is an immediate child of this element.
boolean	remove(Node node) Removes the given Node if the node is an immediate child of this branch.
boolean	remove(ProcessingInstruction pi) Removes the given ProcessingInstruction if the node is an immediate child of this branch.
boolean	remove(Text text) Removes the given Text if the node is an immediate child of this element.
protected boolean	removeNode(Node node)
boolean	removeProcessingInstruction(String target) Removes the processing instruction for the given target if it exists
void	setAttributes(Attributes attributes, NamespaceStack namespaceStack, boolean noNamespaceAttributes) This method provides a more optimal way of setting all the attributes on an Element particularly for use in SAXReader.
void	setAttributeValue(QName qName, String value) Sets the attribute value of the given fully qualified name.
void	setAttributeValue(String name, String value) Sets the attribute value of the given local name.
void	setData(Object data) Sets the data value of this element if this element supports data binding or calls setText(java.lang.String) if it doesn't
void	setName(String name) Sets the text data of this node or this method will throw an UnsupportedOperationException if it is read-only.
void	setNamespace(Namespace namespace)
void	setText(String text) Sets the text data of this node or this method will throw an UnsupportedOperationException if it is read-only.
String	toString()
void	write(Writer out) write writes this node as the default XML notation for this node.

Methods inherited from class org.dom4j.tree.AbstractBranch

addElement, addElement, addElement, appendContent, content, contentList, contentRemoved, createContentList, createContentList, createEmptyList, createResultList, createSingleResultList, elementByID, elementID, getContentAsStringValue, getContentAsText, getText, getTextTrim, hasContent, invalidNodeTypeAddException, isReadOnly, setProcessingInstructions

Methods inherited from class org.dom4j.tree.AbstractNode

asXPathResult, clone, createPattern, createXPath, createXPathFilter, createXPathResult, detach, getDocument, getNodeTypeName, getParent, getPath, getUniquePath, matches, numberValueOf, selectNodes, selectNodes, selectNodes, selectObject, selectSingleNode, setDocument, setParent, supportsParent, valueOf

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.dom4j.Element

getQName, getText, getTextTrim, setAttributes, setQName

Methods inherited from interface org.dom4j.Branch

addElement, addElement, appendContent, clearContent, content, elementByID, setContent, setProcessingInstructions

Methods inherited from interface org.dom4j.Node

asXPathResult, clone, createXPath, detach, getDocument, getNodeTypeName, getParent, getPath, getUniquePath, hasContent, isReadOnly, matches, numberValueOf, selectNodes, selectNodes, selectNodes, selectObject, selectSingleNode, setDocument, setParent, supportsParent, valueOf

Field Detail

EMPTY_LIST

protected static final List EMPTY_LIST

EMPTY_ITERATOR

protected static final Iterator EMPTY_ITERATOR

VERBOSE_TOSTRING

protected static final boolean VERBOSE_TOSTRING

See Also:

Constant Field Values

USE_STRINGVALUE_SEPARATOR

protected static final boolean USE_STRINGVALUE_SEPARATOR

See Also:

Constant Field Values

Constructor Detail

AbstractElement

public AbstractElement()

Method Detail

getNodeType

public short getNodeType()

Description copied from interface: Node

Returns the code according to the type of node. This makes processing nodes polymorphically much easier as the switch statement can be used instead of multiple if (instanceof) statements.

Specified by:

getNodeType in interface Node

Overrides:

getNodeType in class AbstractNode

Returns:

a W3C DOM complient code for the node type such as ELEMENT_NODE or ATTRIBUTE_NODE

isRootElement

public boolean isRootElement()

Specified by:

isRootElement in interface Element

Returns:

true if this element is the root element of a document and this element supports the parent relationship else false.

setName

public void setName(String name)

Description copied from interface: Node

Sets the text data of this node or this method will throw an UnsupportedOperationException if it is read-only.

Specified by:

setName in interface Node

Overrides:

setName in class AbstractNode

Parameters:

name - is the new name of this node

setNamespace

public void setNamespace(Namespace namespace)

getXPathNameStep

public String getXPathNameStep()

Returns the XPath expression to match this Elements name which is getQualifiedName() if there is a namespace prefix defined or if no namespace is present then it is getName() or if a namespace is defined with no prefix then the expression is *[name()='X'] where X = getName().

getPath

public String getPath(Element context)

Description copied from interface: Node

Returns the relative XPath expression which will return a node set containing the given node such as a/b/@c. No indexing will be used to restrict the path if multiple elements with the same name occur on the path.

Specified by:

getPath in interface Node

Parameters:

context - is the parent context from which the relative path should start. If the context is null or the context is not an ancestor of this node then the path will be absolute and start from the document and so begin with the '/' character.

Returns:

the XPath expression relative to the given context which will return a nodeset containing at least this node.

getUniquePath

public String getUniquePath(Element context)

Description copied from interface: Node

Returns the relative unique XPath expression from the given context which will return a nodeset of one node which is the current node. This method will use the XPath index operator to restrict the path if multiple elements with the same name occur on the path.

Specified by:

getUniquePath in interface Node

Parameters:

context - is the parent context from which the path should start. If the context is null or the context is not an ancestor of this node then the path will start from the document and so begin with the '/' character.

Returns:

the XPath expression relative to the given context which will return a nodeset containing just this node.

asXML

public String asXML()

Description copied from interface: Node

asXML returns the textual XML representation of this node.

Specified by:

asXML in interface Node

Returns:

the XML representation of this node

write

public void write(Writer out)
           throws IOException

Description copied from interface: Node

write writes this node as the default XML notation for this node. If you wish to control the XML output (such as for pretty printing, changing the indentation policy etc.) then please use XMLWriter or its derivations.

Specified by:

write in interface Node

Overrides:

write in class AbstractNode

Parameters:

out - is the Writer to output the XML to

IOException

accept

public void accept(Visitor visitor)

accept method is the Visitor Pattern method.

Specified by:

accept in interface Node

Parameters:

visitor - Visitor is the visitor.

toString

public String toString()

Overrides:

toString in class Object

getNamespace

public Namespace getNamespace()

Description copied from interface: Element

Returns the Namespace of this element if one exists otherwise Namespace.NO_NAMESPACE is returned.

Specified by:

getNamespace in interface Element

Returns:

the Namespace associated with this element

getName

public String getName()

Description copied from interface: Node

getName returns the name of this node. This is the XML local name of the element, attribute, entity or processing instruction. For CDATA and Text nodes this method will return null.

Specified by:

getName in interface Node

Overrides:

getName in class AbstractNode

Returns:

the XML name of this node

getNamespacePrefix

public String getNamespacePrefix()

Description copied from interface: Element

Returns the namespace prefix of this element if one exists otherwise an empty String is returned.

Specified by:

getNamespacePrefix in interface Element

Returns:

the prefix of the Namespace of this element or an empty String

getNamespaceURI

public String getNamespaceURI()

Description copied from interface: Element

Returns the URI mapped to the namespace of this element if one exists otherwise an empty String is returned.

Specified by:

getNamespaceURI in interface Element

Returns:

the URI for the Namespace of this element or an empty String

getQualifiedName

public String getQualifiedName()

Description copied from interface: Element

Returns the fully qualified name of this element. This will be the same as the value returned from Node.getName() if this element has no namespace attached to this element or an expression of the form

 getNamespacePrefix() + ":" + getName()
 

will be returned.

Specified by:

getQualifiedName in interface Element

Returns:

the fully qualified name of the element.

getData

public Object getData()

Description copied from interface: Element

Accesses the data of this element which may implement data typing bindings such as XML Schema or Java Bean bindings or will return the same value as Element.getText()

Specified by:

getData in interface Element

setData

public void setData(Object data)

Description copied from interface: Element

Sets the data value of this element if this element supports data binding or calls Node.setText(java.lang.String) if it doesn't

Specified by:

setData in interface Element

node

public Node node(int index)

Description copied from interface: Branch

Returns the Node at the specified index position.

Specified by:

node in interface Branch

Overrides:

node in class AbstractBranch

Parameters:

index - the index of the node to return.

Returns:

the Node at the specified position.

indexOf

public int indexOf(Node node)

Description copied from interface: Branch

Returns the index of the given node if it is a child node of this branch or -1 if the given node is not a child node.

Specified by:

indexOf in interface Branch

Overrides:

indexOf in class AbstractBranch

Parameters:

node - the content child node to find.

Returns:

the index of the given node starting at 0 or -1 if the node is not a child node of this branch

nodeCount

public int nodeCount()

Description copied from interface: Branch

Returns the number of Node instances that this branch contains.

Specified by:

nodeCount in interface Branch

Overrides:

nodeCount in class AbstractBranch

Returns:

the number of nodes this branch contains

nodeIterator

public Iterator nodeIterator()

Description copied from interface: Branch

Returns an iterator through the content nodes of this branch

Specified by:

nodeIterator in interface Branch

Overrides:

nodeIterator in class AbstractBranch

Returns:

an iterator through the content nodes of this branch

element

public Element element(String name)

Description copied from interface: Element

Returns the first element for the given local name and any namespace.

Specified by:

element in interface Element

Returns:

the first element with the given local name

element

public Element element(QName qName)

Description copied from interface: Element

Returns the first element for the given fully qualified name.

Specified by:

element in interface Element

Returns:

the first element with the given fully qualified name

element

public Element element(String name,
                       Namespace namespace)

elements

public List elements()

Description copied from interface: Element

Returns the elements contained in this element. If this element does not contain any elements then this method returns an empty list. The list is backed by the element such that changes to the list will be reflected in the element though the reverse is not the case.

Specified by:

elements in interface Element

Returns:

a list of all the elements in this element.

elements

public List elements(String name)

Description copied from interface: Element

Returns the elements contained in this element with the given local name and any namespace. If no elements are found then this method returns an empty list. The list is backed by the element such that changes to the list will be reflected in the element though the reverse is not the case.

Specified by:

elements in interface Element

Returns:

a list of all the elements in this element for the given local name

elements

public List elements(QName qName)

Description copied from interface: Element

Returns the elements contained in this element with the given fully qualified name. If no elements are found then this method returns an empty list. The list is backed by the element such that changes to the list will be reflected in the element though the reverse is not the case.

Specified by:

elements in interface Element

Parameters:

qName - is the fully qualified name to search for

Returns:

a list of all the elements in this element for the given fully qualified name.

elements

public List elements(String name,
                     Namespace namespace)

elementIterator

public Iterator elementIterator()

Description copied from interface: Element

Returns an iterator over all this elements child elements.

Specified by:

elementIterator in interface Element

Returns:

an iterator over the contained elements

elementIterator

public Iterator elementIterator(String name)

Description copied from interface: Element

Returns an iterator over the elements contained in this element which match the given local name and any namespace.

Specified by:

elementIterator in interface Element

Returns:

an iterator over the contained elements matching the given local name

elementIterator

public Iterator elementIterator(QName qName)

Description copied from interface: Element

Returns an iterator over the elements contained in this element which match the given fully qualified name.

Specified by:

elementIterator in interface Element

Returns:

an iterator over the contained elements matching the given fully qualified name

elementIterator

public Iterator elementIterator(String name,
                                Namespace namespace)

attributes

public List attributes()

Description copied from interface: Element

Returns the Attribute instances this element contains as a backed List so that the attributes may be modified directly using the List interface. The List is backed by the Element so that changes to the list are reflected in the element and vice versa.

Specified by:

attributes in interface Element

Returns:

the attributes that this element contains as a List

attributeIterator

public Iterator attributeIterator()

Specified by:

attributeIterator in interface Element

attribute

public Attribute attribute(int index)

Description copied from interface: Element

Returns the attribute at the specified indexGets the

Specified by:

attribute in interface Element

Returns:

the attribute at the specified index where index >= 0 and index < number of attributes or throws an IndexOutOfBoundsException if the index is not within the allowable range

attributeCount

public int attributeCount()

Specified by:

attributeCount in interface Element

Returns:

the number of attributes this element contains

attribute

public Attribute attribute(String name)

Description copied from interface: Element

Returns the attribute with the given name

Specified by:

attribute in interface Element

Returns:

the attribute for the given local name in any namespace. If there are more than one attributes with the given local name in different namespaces then the first one is returned.

attribute

public Attribute attribute(QName qName)

Specified by:

attribute in interface Element

Returns:

the attribute for the given fully qualified name or null if it could not be found.

attribute

public Attribute attribute(String name,
                           Namespace namespace)

setAttributes

public void setAttributes(Attributes attributes,
                          NamespaceStack namespaceStack,
                          boolean noNamespaceAttributes)

This method provides a more optimal way of setting all the attributes on an Element particularly for use in SAXReader.

attributeValue

public String attributeValue(String name)

Description copied from interface: Element

This returns the attribute value for the attribute with the given name and any namespace or null if there is no such attribute or the empty string if the attribute value is empty.

Specified by:

attributeValue in interface Element

Parameters:

name - is the name of the attribute value to be returnd

Returns:

the value of the attribute, null if the attribute does not exist or the empty string

attributeValue

public String attributeValue(QName qName)

Description copied from interface: Element

This returns the attribute value for the attribute with the given fully qualified name or null if there is no such attribute or the empty string if the attribute value is empty.

Specified by:

attributeValue in interface Element

Parameters:

qName - is the fully qualified name

Returns:

the value of the attribute, null if the attribute does not exist or the empty string

attributeValue

public String attributeValue(String name,
                             String defaultValue)

Description copied from interface: Element

This returns the attribute value for the attribute with the given name and any namespace or the default value if there is no such attribute value.

Specified by:

attributeValue in interface Element

Parameters:

name - is the name of the attribute value to be returnd

defaultValue - is the default value to be returned if the attribute has no value defined.

Returns:

the value of the attribute or the defaultValue if the attribute has no value defined.

attributeValue

public String attributeValue(QName qName,
                             String defaultValue)

Description copied from interface: Element

This returns the attribute value for the attribute with the given fully qualified name or the default value if there is no such attribute value.

Specified by:

attributeValue in interface Element

Parameters:

qName - is the fully qualified name

defaultValue - is the default value to be returned if the attribute has no value defined.

Returns:

the value of the attribute or the defaultValue if the attribute has no value defined.

setAttributeValue

public void setAttributeValue(String name,
                              String value)

Description copied from interface: Element

Sets the attribute value of the given local name.

Specified by:

setAttributeValue in interface Element

Parameters:

name - is the name of the attribute whose value is to be added or updated

value - is the attribute's value

setAttributeValue

public void setAttributeValue(QName qName,
                              String value)

Description copied from interface: Element

Sets the attribute value of the given fully qualified name.

Specified by:

setAttributeValue in interface Element

Parameters:

qName - is the fully qualified name of the attribute whose value is to be added or updated

value - is the attribute's value

add

public void add(Attribute attribute)

Description copied from interface: Element

Adds the given Attribute to this element. If the given node already has a parent defined then an InvalidAddNodeException will be thrown. Attributes with null values are silently ignored. If the value of the attribute is null then this method call will remove any attributes with the QName of this attribute.

Specified by:

add in interface Element

Parameters:

attribute - is the attribute to be added

remove

public boolean remove(Attribute attribute)

Description copied from interface: Element

Removes the given Attribute from this element.

Specified by:

remove in interface Element

Parameters:

attribute - is the attribute to be removed

Returns:

true if the attribute was removed

processingInstructions

public List processingInstructions()

Description copied from interface: Branch

Returns a list of all the processing instructions in this branch. The list is backed by this branch so that changes to the list will be reflected in the branch but the reverse is not the case.

Specified by:

processingInstructions in interface Branch

Returns:

a backed list of the processing instructions

processingInstructions

public List processingInstructions(String target)

Description copied from interface: Branch

Returns a list of the processing instructions for the given target. The list is backed by this branch so that changes to the list will be reflected in the branch but the reverse is not the case.

Specified by:

processingInstructions in interface Branch

Returns:

a backed list of the processing instructions

processingInstruction

public ProcessingInstruction processingInstruction(String target)

Specified by:

processingInstruction in interface Branch

Returns:

the processing instruction for the given target

removeProcessingInstruction

public boolean removeProcessingInstruction(String target)

Description copied from interface: Branch

Removes the processing instruction for the given target if it exists

Specified by:

removeProcessingInstruction in interface Branch

Returns:

true if a processing instruction was removed else false

getXPathResult

public Node getXPathResult(int index)

Description copied from interface: Element

Returns a node at the given index suitable for an XPath result set. This means the resulting Node will either be null or it will support the parent relationship.

Specified by:

getXPathResult in interface Element

Returns:

the Node for the given index which will support the parent relationship or null if there is not a node at the given index.

addAttribute

public Element addAttribute(String name,
                            String value)

Description copied from interface: Element

Adds the attribute value of the given local name. If an attribute already exists for the given name it will be replaced. Attributes with null values are silently ignored. If the value of the attribute is null then this method call will remove any attributes with the given name.

Specified by:

addAttribute in interface Element

Parameters:

name - is the name of the attribute whose value is to be added or updated

value - is the attribute's value

Returns:

this Element instance.

addAttribute

public Element addAttribute(QName qName,
                            String value)

Description copied from interface: Element

Adds the attribute value of the given fully qualified name. If an attribute already exists for the given name it will be replaced. Attributes with null values are silently ignored. If the value of the attribute is null then this method call will remove any attributes with the given name.

Specified by:

addAttribute in interface Element

Parameters:

qName - is the fully qualified name of the attribute whose value is to be added or updated

value - is the attribute's value

Returns:

this Element instance.