NamespaceStack (dom4j 1.6.1 API)

dom4j

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org.dom4j.tree Class NamespaceStack

java.lang.Object
  extended byorg.dom4j.tree.NamespaceStack
public class NamespaceStack
extends Object

NamespaceStack implements a stack of namespaces and optionally maintains a cache of all the fully qualified names (QName) which are in scope. This is useful when building or navigating a dom4j document.

Version:
$Revision: 1.13 $
Author:
James Strachan

Constructor Summary
NamespaceStack()
           
NamespaceStack(DocumentFactory documentFactory)
           
 
Method Summary
 Namespace addNamespace(String prefix, String uri)
          Adds a new namespace to the stack
 void clear()
          Clears the stack
 boolean contains(Namespace namespace)
          DOCUMENT ME!
protected  Namespace createNamespace(String prefix, String namespaceURI)
          Factory method to creeate new Namespace instances.
protected  QName createQName(String localName, String qualifiedName, Namespace namespace)
          Factory method to creeate new QName instances.
protected  Namespace findDefaultNamespace()
          Attempts to find the current default namespace on the stack right now or returns null if one could not be found
 QName getAttributeQName(String namespaceURI, String localName, String qualifiedName)
           
 Namespace getDefaultNamespace()
           
 DocumentFactory getDocumentFactory()
           
 Namespace getNamespace(int index)
          DOCUMENT ME!
protected  Map getNamespaceCache()
           
 Namespace getNamespaceForPrefix(String prefix)
          DOCUMENT ME!
 QName getQName(String namespaceURI, String localName, String qualifiedName)
           
 String getURI(String prefix)
          DOCUMENT ME!
 Namespace pop()
          Pops the most recently used Namespace from the stack
 Namespace pop(String prefix)
          Pops a namepace from the stack with the given prefix and URI
 void push(Namespace namespace)
          Pushes the given namespace onto the stack so that its prefix becomes available.
 void push(String prefix, String uri)
          Adds a namepace to the stack with the given prefix and URI
protected  QName pushQName(String localName, String qualifiedName, Namespace namespace, String prefix)
          Adds the QName to the stack of available QNames
protected  Namespace remove(int index)
          Removes the namespace at the given index of the stack
 void setDocumentFactory(DocumentFactory documentFactory)
           
 int size()
          DOCUMENT ME!
 String toString()
           
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait
 

Constructor Detail

NamespaceStack

public NamespaceStack()

NamespaceStack

public NamespaceStack(DocumentFactory documentFactory)
Method Detail

push

public void push(Namespace namespace)
Pushes the given namespace onto the stack so that its prefix becomes available.

Parameters:
namespace - is the Namespace to add to the stack.

pop

public Namespace pop()
Pops the most recently used Namespace from the stack

Returns:
Namespace popped from the stack

size

public int size()
DOCUMENT ME!

Returns:
the number of namespaces on the stackce stack.

clear

public void clear()
Clears the stack

getNamespace

public Namespace getNamespace(int index)
DOCUMENT ME!

Parameters:
index - DOCUMENT ME!
Returns:
the namespace at the specified index on the stack

getNamespaceForPrefix

public Namespace getNamespaceForPrefix(String prefix)
DOCUMENT ME!

Parameters:
prefix - DOCUMENT ME!
Returns:
the namespace for the given prefix or null if it could not be found.

getURI

public String getURI(String prefix)
DOCUMENT ME!

Parameters:
prefix - DOCUMENT ME!
Returns:
the URI for the given prefix or null if it could not be found.

contains

public boolean contains(Namespace namespace)
DOCUMENT ME!

Parameters:
namespace - DOCUMENT ME!
Returns:
true if the given prefix is in the stack.

getQName

public QName getQName(String namespaceURI,
                      String localName,
                      String qualifiedName)

getAttributeQName

public QName getAttributeQName(String namespaceURI,
                               String localName,
                               String qualifiedName)

push

public void push(String prefix,
                 String uri)
Adds a namepace to the stack with the given prefix and URI

Parameters:
prefix - DOCUMENT ME!
uri - DOCUMENT ME!

addNamespace

public Namespace addNamespace(String prefix,
                              String uri)
Adds a new namespace to the stack

Parameters:
prefix - DOCUMENT ME!
uri - DOCUMENT ME!
Returns:
DOCUMENT ME!

pop

public Namespace pop(String prefix)
Pops a namepace from the stack with the given prefix and URI

Parameters:
prefix - DOCUMENT ME!
Returns:
DOCUMENT ME!

toString

public String toString()

getDocumentFactory

public DocumentFactory getDocumentFactory()

setDocumentFactory

public void setDocumentFactory(DocumentFactory documentFactory)

getDefaultNamespace

public Namespace getDefaultNamespace()

pushQName

protected QName pushQName(String localName,
                          String qualifiedName,
                          Namespace namespace,
                          String prefix)
Adds the QName to the stack of available QNames

Parameters:
localName - DOCUMENT ME!
qualifiedName - DOCUMENT ME!
namespace - DOCUMENT ME!
prefix - DOCUMENT ME!
Returns:
DOCUMENT ME!

createQName

protected QName createQName(String localName,
                            String qualifiedName,
                            Namespace namespace)
Factory method to creeate new QName instances. By default this method interns the QName

Parameters:
localName - DOCUMENT ME!
qualifiedName - DOCUMENT ME!
namespace - DOCUMENT ME!
Returns:
DOCUMENT ME!

createNamespace

protected Namespace createNamespace(String prefix,
                                    String namespaceURI)
Factory method to creeate new Namespace instances. By default this method interns the Namespace

Parameters:
prefix - DOCUMENT ME!
namespaceURI - DOCUMENT ME!
Returns:
DOCUMENT ME!

findDefaultNamespace

protected Namespace findDefaultNamespace()
Attempts to find the current default namespace on the stack right now or returns null if one could not be found

Returns:
DOCUMENT ME!

remove

protected Namespace remove(int index)
Removes the namespace at the given index of the stack

Parameters:
index - DOCUMENT ME!
Returns:
DOCUMENT ME!

getNamespaceCache

protected Map getNamespaceCache()
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