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org.apache.jetspeed.om.registry
Interface Registry

All Known Subinterfaces:

ClientRegistry, LocalRegistry, MediaTypeRegistry, PortletRegistry

All Known Implementing Classes:

BaseClientRegistry, BaseMediaTypeRegistry, BaseOrderedRegistry, BasePortletRegistry, BaseRegistry, DatabaseRegistry

public interface Registry

Represents all items within Jetspeed that hold configuration information.

Version:

$Id: Registry.java,v 1.8 2005/03/21 18:21:37 sgala Exp $

Author:

Kevin A. Burton, Raphaël Luta

Method Summary

void	addEntry(RegistryEntry entry) Add the given entry to the registry with the given name.
RegistryEntry	createEntry() Creates a new RegistryEntry instance compatible with the current Registry instance implementation
java.util.Enumeration	getEntries() Get all entries within this Registry
RegistryEntry	getEntry(java.lang.String name) Get the entry in the registry with the specified name
int	getEntryCount() Get the number of entries within the Registry.
boolean	hasEntry(java.lang.String name) Tests if an entry with the specified name exists within the Registry
java.util.Iterator	listEntryNames() List all the entry names within this Registry
void	removeEntry(RegistryEntry entry) Removes the given entry from the Registry
void	removeEntry(java.lang.String name) Removes the given entry from the Registry
void	setEntry(RegistryEntry entry) Set the entry in the registry with the specified name and Entry
RegistryEntry[]	toArray() Get all entries within this Registry as an array

Method Detail

getEntryCount

public int getEntryCount()

Get the number of entries within the Registry.

Returns:

the number of elements in this Registry instance

createEntry

public RegistryEntry createEntry()

Creates a new RegistryEntry instance compatible with the current Registry instance implementation

Returns:

the newly created RegistryEntry

getEntry

public RegistryEntry getEntry(java.lang.String name)
                       throws RegistryException

Get the entry in the registry with the specified name

Throws:

RegistryException - if the given 'name' does not exist within the Registry

setEntry

public void setEntry(RegistryEntry entry)
              throws RegistryException

Set the entry in the registry with the specified name and Entry

Throws:

RegistryException - if the given 'name' does not exist within the Registry

addEntry

public void addEntry(RegistryEntry entry)
              throws RegistryException

Add the given entry to the registry with the given name.

Throws:

RegistryException - if the given 'name' already exists within the Registry

hasEntry

public boolean hasEntry(java.lang.String name)

Tests if an entry with the specified name exists within the Registry

Parameters:

name - the name of the entry that we are looking for

Returns:

true if an entry with this name exists in the Registry

removeEntry

public void removeEntry(RegistryEntry entry)

Removes the given entry from the Registry

Parameters:

entry - the RegistryEntry to remove

removeEntry

public void removeEntry(java.lang.String name)

Removes the given entry from the Registry

Parameters:

name - the name of the entry to remove from the Registry

getEntries

public java.util.Enumeration getEntries()

Get all entries within this Registry

Returns:

an Enumeration of all unordered current entries

listEntryNames

public java.util.Iterator listEntryNames()

List all the entry names within this Registry

Returns:

an Iterator over an unordered list of current entry names

toArray

public RegistryEntry[] toArray()

Get all entries within this Registry as an array

Returns:

an unordered array of current registry entries