org.apache.jackrabbit.core
Class NamespaceRegistryImpl

java.lang.Object
  org.apache.jackrabbit.core.NamespaceRegistryImpl

All Implemented Interfaces:

NamespaceRegistry, NamespaceEventListener, StringIndex

public class NamespaceRegistryImpl
extends Object
implements NamespaceRegistry, NamespaceEventListener, StringIndex

A NamespaceRegistryImpl ...

Field Summary

Fields inherited from interface javax.jcr.NamespaceRegistry

NAMESPACE_EMPTY, NAMESPACE_JCR, NAMESPACE_MIX, NAMESPACE_NT, NAMESPACE_XML, PREFIX_EMPTY, PREFIX_JCR, PREFIX_MIX, PREFIX_NT, PREFIX_XML

Constructor Summary

NamespaceRegistryImpl(FileSystem fs)
Protected constructor: Constructs a new instance of this class.

Method Summary

void	externalRemap(String oldPrefix, String newPrefix, String uri) Called when a namespace has been externally remapped.
String	getPrefix(String uri)
String[]	getPrefixes()
String	getURI(String prefix)
String[]	getURIs()
String	indexToString(int idx) Returns the namespace URI for a given index (i.e. stable prefix).
void	registerNamespace(String prefix, String uri)
void	setEventChannel(NamespaceEventChannel eventChannel) Set an event channel to inform about changes.
int	stringToIndex(String uri) Returns the index (i.e. stable prefix) for the given namespace URI.
void	unregisterNamespace(String prefix)

Methods inherited from class java.lang.Object

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

Constructor Detail

NamespaceRegistryImpl

public NamespaceRegistryImpl(FileSystem fs)
                      throws RepositoryException

Protected constructor: Constructs a new instance of this class.

Parameters:

fs - repository file system

Throws:

RepositoryException

Method Detail

setEventChannel

public void setEventChannel(NamespaceEventChannel eventChannel)

Set an event channel to inform about changes.

Parameters:

eventChannel - event channel

stringToIndex

public int stringToIndex(String uri)

Returns the index (i.e. stable prefix) for the given namespace URI.

Specified by:

stringToIndex in interface StringIndex

Parameters:

uri - namespace URI

Returns:

namespace index

Throws:

IllegalArgumentException - if the namespace is not registered

indexToString

public String indexToString(int idx)

Returns the namespace URI for a given index (i.e. stable prefix).

Specified by:

indexToString in interface StringIndex

Parameters:

idx - namespace index

Returns:

namespace URI

Throws:

IllegalArgumentException - if the given index is invalid

registerNamespace

public void registerNamespace(String prefix,
                              String uri)
                       throws NamespaceException,
                              UnsupportedRepositoryOperationException,
                              AccessDeniedException,
                              RepositoryException

Specified by:

registerNamespace in interface NamespaceRegistry

Throws:

NamespaceException

UnsupportedRepositoryOperationException

AccessDeniedException

RepositoryException

unregisterNamespace

public void unregisterNamespace(String prefix)
                         throws NamespaceException,
                                UnsupportedRepositoryOperationException,
                                AccessDeniedException,
                                RepositoryException

Specified by:

unregisterNamespace in interface NamespaceRegistry

Throws:

NamespaceException

UnsupportedRepositoryOperationException

AccessDeniedException

RepositoryException

getPrefixes

public String[] getPrefixes()
                     throws RepositoryException

Specified by:

getPrefixes in interface NamespaceRegistry

Throws:

RepositoryException

getURIs

public String[] getURIs()
                 throws RepositoryException

Specified by:

getURIs in interface NamespaceRegistry

Throws:

RepositoryException

getURI

public String getURI(String prefix)
              throws NamespaceException

Specified by:

getURI in interface NamespaceRegistry

Throws:

NamespaceException

getPrefix

public String getPrefix(String uri)
                 throws NamespaceException

Specified by:

getPrefix in interface NamespaceRegistry

Throws:

NamespaceException

externalRemap

public void externalRemap(String oldPrefix,
                          String newPrefix,
                          String uri)
                   throws RepositoryException

Called when a namespace has been externally remapped.

Specified by:

externalRemap in interface NamespaceEventListener

Parameters:

oldPrefix - old prefix. if null this is a fresh mapping

newPrefix - new prefix. if null this is an unmap operation

uri - uri to map prefix to

Throws:

RepositoryException - if an error occurs