STAXEventReader (dom4j 1.6.1 API)

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org.dom4j.io Class STAXEventReader

java.lang.Object
  extended byorg.dom4j.io.STAXEventReader
public class STAXEventReader
extends Object

Reads a DOM4J Document, as well as other Nodes, from a StAX XMLEventReader.

Author:
Christian Niles

Constructor Summary
STAXEventReader()
          Constructs a default STAXEventReader instance with a default DocumentFactory.
STAXEventReader(DocumentFactory factory)
          Constructs a STAXEventReader instance that uses the specified DocumentFactoryto construct DOM4J Nodes.
 
Method Summary
 Attribute createAttribute(Element elem, javax.xml.stream.events.Attribute attr)
          Constructs a new DOM4J Attribute from the provided StAX Attribute event.
 CharacterData createCharacterData(javax.xml.stream.events.Characters characters)
          Constructs a new DOM4J Text or CDATA object from the provided Characters event.
 Comment createComment(javax.xml.stream.events.Comment comment)
          Constructs a new DOM4J Comment from the provided StAX Comment event.
 Element createElement(javax.xml.stream.events.StartElement startEvent)
          Constructs a new DOM4J Element from the provided StartElement event.
 Entity createEntity(javax.xml.stream.events.EntityReference entityRef)
          Constructs a new DOM4J Entity from the provided StAX EntityReference event.
 Namespace createNamespace(javax.xml.stream.events.Namespace ns)
          Constructs a new DOM4J Namespace from the provided StAX Namespace event.
 ProcessingInstruction createProcessingInstruction(javax.xml.stream.events.ProcessingInstruction pi)
          Constructs a new DOM4J ProcessingInstruction from the provided StAX ProcessingInstruction event.
 QName createQName(javax.xml.namespace.QName qname)
          Constructs a new DOM4J QName from the provided JAXP QName.
 Attribute readAttribute(javax.xml.stream.XMLEventReader reader)
          Constructs a DOM4J Attribute from the provided event stream.
 CharacterData readCharacters(javax.xml.stream.XMLEventReader reader)
          Constructs a DOM4J Text or CDATA section from the provided event stream.
 Comment readComment(javax.xml.stream.XMLEventReader reader)
          Constructs a DOM4J Comment from the provided event stream.
 Document readDocument(InputStream is)
          Constructs a StAX event stream from the provided I/O stream and reads a DOM4J document from it.
 Document readDocument(InputStream is, String systemId)
          Constructs a StAX event stream from the provided I/O stream and reads a DOM4J document from it.
 Document readDocument(Reader reader)
          Constructs a StAX event stream from the provided I/O character stream and reads a DOM4J document from it.
 Document readDocument(Reader reader, String systemId)
          Constructs a StAX event stream from the provided I/O character stream and reads a DOM4J document from it.
 Document readDocument(javax.xml.stream.XMLEventReader reader)
          Reads a DOM4J Documentfrom the provided stream.
 Element readElement(javax.xml.stream.XMLEventReader eventReader)
          Reads a DOM4J Element from the provided event stream.
 Entity readEntityReference(javax.xml.stream.XMLEventReader reader)
          Constructs a DOM4J Entity from the provided event stream.
 Namespace readNamespace(javax.xml.stream.XMLEventReader reader)
          Constructs a DOM4J Namespace from the provided event stream.
 Node readNode(javax.xml.stream.XMLEventReader reader)
          Reads a Nodefrom the event stream.
 ProcessingInstruction readProcessingInstruction(javax.xml.stream.XMLEventReader reader)
          Constructs a DOM4J ProcessingInstruction from the provided event stream.
 void setDocumentFactory(DocumentFactory documentFactory)
          Sets the DocumentFactory to be used when constructing DOM4J nodes.
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

STAXEventReader

public STAXEventReader()
Constructs a default STAXEventReader instance with a default DocumentFactory.

STAXEventReader

public STAXEventReader(DocumentFactory factory)
Constructs a STAXEventReader instance that uses the specified DocumentFactoryto construct DOM4J Nodes.

Parameters:
factory - The DocumentFactory to use when constructing DOM4J nodes, or null if a default should be used.
Method Detail

setDocumentFactory

public void setDocumentFactory(DocumentFactory documentFactory)
Sets the DocumentFactory to be used when constructing DOM4J nodes.

Parameters:
documentFactory - The DocumentFactory to use when constructing DOM4J nodes, or null if a default should be used.

readDocument

public Document readDocument(InputStream is)
                      throws javax.xml.stream.XMLStreamException
Constructs a StAX event stream from the provided I/O stream and reads a DOM4J document from it.

Parameters:
is - The I/O stream from which the Document will be read.
Returns:
The Document that was read from the stream.
Throws:
javax.xml.stream.XMLStreamException - If an error occurs reading content from the stream.

readDocument

public Document readDocument(Reader reader)
                      throws javax.xml.stream.XMLStreamException
Constructs a StAX event stream from the provided I/O character stream and reads a DOM4J document from it.

Parameters:
reader - The character stream from which the Document will be read.
Returns:
The Document that was read from the stream.
Throws:
javax.xml.stream.XMLStreamException - If an error occurs reading content from the stream.

readDocument

public Document readDocument(InputStream is,
                             String systemId)
                      throws javax.xml.stream.XMLStreamException
Constructs a StAX event stream from the provided I/O stream and reads a DOM4J document from it.

Parameters:
is - The I/O stream from which the Document will be read.
systemId - A system id used to resolve entities.
Returns:
The Document that was read from the stream.
Throws:
javax.xml.stream.XMLStreamException - If an error occurs reading content from the stream.

readDocument

public Document readDocument(Reader reader,
                             String systemId)
                      throws javax.xml.stream.XMLStreamException
Constructs a StAX event stream from the provided I/O character stream and reads a DOM4J document from it.

Parameters:
reader - The character stream from which the Document will be read.
systemId - A system id used to resolve entities.
Returns:
The Document that was read from the stream.
Throws:
javax.xml.stream.XMLStreamException - If an error occurs reading content from the stream.

readNode

public Node readNode(javax.xml.stream.XMLEventReader reader)
              throws javax.xml.stream.XMLStreamException
Reads a Nodefrom the event stream. If the next event is a StartElement, all events until the closing EndElement will be read, and the resulting nodes will be added to the returned Element.

Pre-Conditions : The stream must be positioned before an event other than an EndElement,EndDocument, or any DTD-related events, which are not currently supported.

Parameters:
reader - The reader from which events will be read.
Returns:
A DOM4J Nodeconstructed from the read events.
Throws:
javax.xml.stream.XMLStreamException - If an error occurs reading from the stream, or the stream was positioned before an unsupported event.

readDocument

public Document readDocument(javax.xml.stream.XMLEventReader reader)
                      throws javax.xml.stream.XMLStreamException
Reads a DOM4J Documentfrom the provided stream. The stream should be positioned at the start of a document, or before a StartElement event.

Parameters:
reader - The event stream from which to read the Document.
Returns:
The Documentthat was read from the stream.
Throws:
javax.xml.stream.XMLStreamException - If an error occurs reading events from the stream.

readElement

public Element readElement(javax.xml.stream.XMLEventReader eventReader)
                    throws javax.xml.stream.XMLStreamException
Reads a DOM4J Element from the provided event stream. The stream must be positioned before an StartElementevent. In addition to the initial start event, all events up to and including the closing EndElement will be read, and included with the returned element.

Parameters:
eventReader - The event stream from which to read the Element.
Returns:
The Element that was read from the stream.
Throws:
javax.xml.stream.XMLStreamException - If an error occured reading events from the stream, or the stream was not positioned before a event.

readAttribute

public Attribute readAttribute(javax.xml.stream.XMLEventReader reader)
                        throws javax.xml.stream.XMLStreamException
Constructs a DOM4J Attribute from the provided event stream. The stream must be positioned before an Attributeevent.

Parameters:
reader - The event stream from which to read the Attribute.
Returns:
The Attribute that was read from the stream.
Throws:
javax.xml.stream.XMLStreamException - If an error occured reading events from the stream, or the stream was not positioned before an event.

readNamespace

public Namespace readNamespace(javax.xml.stream.XMLEventReader reader)
                        throws javax.xml.stream.XMLStreamException
Constructs a DOM4J Namespace from the provided event stream. The stream must be positioned before a Namespaceevent.

Parameters:
reader - The event stream from which to read the Namespace.
Returns:
The Namespace that was read from the stream.
Throws:
javax.xml.stream.XMLStreamException - If an error occured reading events from the stream, or the stream was not positioned before a event.

readCharacters

public CharacterData readCharacters(javax.xml.stream.XMLEventReader reader)
                             throws javax.xml.stream.XMLStreamException
Constructs a DOM4J Text or CDATA section from the provided event stream. The stream must be positioned before a Charactersevent.

Parameters:
reader - The event stream from which to read the Text or CDATA.
Returns:
The Text or CDATA that was read from the stream.
Throws:
javax.xml.stream.XMLStreamException - If an error occured reading events from the stream, or the stream was not positioned before a event.

readComment

public Comment readComment(javax.xml.stream.XMLEventReader reader)
                    throws javax.xml.stream.XMLStreamException
Constructs a DOM4J Comment from the provided event stream. The stream must be positioned before a Commentevent.

Parameters:
reader - The event stream from which to read the Comment.
Returns:
The Comment that was read from the stream.
Throws:
javax.xml.stream.XMLStreamException - If an error occured reading events from the stream, or the stream was not positioned before a event.

readEntityReference

public Entity readEntityReference(javax.xml.stream.XMLEventReader reader)
                           throws javax.xml.stream.XMLStreamException
Constructs a DOM4J Entity from the provided event stream. The stream must be positioned before an EntityReferenceevent.

Parameters:
reader - The event stream from which to read the EntityReference.
Returns:
The Entitythat was read from the stream.
Throws:
javax.xml.stream.XMLStreamException - If an error occured reading events from the stream, or the stream was not positioned before an event.

readProcessingInstruction

public ProcessingInstruction readProcessingInstruction(javax.xml.stream.XMLEventReader reader)
                                                throws javax.xml.stream.XMLStreamException
Constructs a DOM4J ProcessingInstruction from the provided event stream. The stream must be positioned before a ProcessingInstruction event.

Parameters:
reader - The event stream from which to read the ProcessingInstruction.
Returns:
The ProcessingInstruction that was read from the stream.
Throws:
javax.xml.stream.XMLStreamException - If an error occured reading events from the stream, or the stream was not positioned before a ProcessingInstruction event.

createElement

public Element createElement(javax.xml.stream.events.StartElement startEvent)
Constructs a new DOM4J Element from the provided StartElement event. All attributes and namespaces will be added to the returned element.

Parameters:
startEvent - The StartElement event from which to construct the new DOM4J Element.
Returns:
The Element constructed from the provided StartElement event.

createAttribute

public Attribute createAttribute(Element elem,
                                 javax.xml.stream.events.Attribute attr)
Constructs a new DOM4J Attribute from the provided StAX Attribute event.

Parameters:
elem - DOCUMENT ME!
attr - The Attribute event from which to construct the new DOM4J Attribute.
Returns:
The Attribute constructed from the provided Attribute event.

createNamespace

public Namespace createNamespace(javax.xml.stream.events.Namespace ns)
Constructs a new DOM4J Namespace from the provided StAX Namespace event.

Parameters:
ns - The Namespace event from which to construct the new DOM4J Namespace.
Returns:
The Namespace constructed from the provided Namespace event.

createCharacterData

public CharacterData createCharacterData(javax.xml.stream.events.Characters characters)
Constructs a new DOM4J Text or CDATA object from the provided Characters event.

Parameters:
characters - The Characters event from which to construct the new DOM4J Text or CDATA object.
Returns:
The Text or CDATA object constructed from the provided Characters event.

createComment

public Comment createComment(javax.xml.stream.events.Comment comment)
Constructs a new DOM4J Comment from the provided StAX Comment event.

Parameters:
comment - The Comment event from which to construct the new DOM4J Comment.
Returns:
The Comment constructed from the provided Comment event.

createEntity

public Entity createEntity(javax.xml.stream.events.EntityReference entityRef)
Constructs a new DOM4J Entity from the provided StAX EntityReference event.

Parameters:
entityRef - The EntityReference event from which to construct the new DOM4J Entity.
Returns:
The Entity constructed from the provided EntityReference event.

createProcessingInstruction

public ProcessingInstruction createProcessingInstruction(javax.xml.stream.events.ProcessingInstruction pi)
Constructs a new DOM4J ProcessingInstruction from the provided StAX ProcessingInstruction event.

Parameters:
pi - The ProcessingInstruction event from which to construct the new DOM4J ProcessingInstruction.
Returns:
The ProcessingInstruction constructed from the provided ProcessingInstruction event.

createQName

public QName createQName(javax.xml.namespace.QName qname)
Constructs a new DOM4J QName from the provided JAXP QName.

Parameters:
qname - The JAXP QName from which to create a DOM4J QName.
Returns:
The newly constructed DOM4J QName.
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