Package org.apache.commons.chain.impl

Class CatalogFactoryBase

java.lang.Object

org.apache.commons.chain.CatalogFactory

org.apache.commons.chain.impl.CatalogFactoryBase

public class CatalogFactoryBase
extends CatalogFactory

A simple implementation of CatalogFactory.

Version:

$Revision: 480477 $ $Date: 2006-11-29 08:34:52 +0000 (Wed, 29 Nov 2006) $

Author:

Sean Schofield

Field Summary

Fields

Modifier and Type	Field	Description
private Catalog	catalog	The default Catalog for this CatalogFactory.
private java.util.Map	catalogs	Map of named Catalogs, keyed by catalog name.

Fields inherited from class org.apache.commons.chain.CatalogFactory

DELIMITER

Constructor Summary

Constructors

Constructor	Description
CatalogFactoryBase()	Construct an empty instance of CatalogFactoryBase.

Method Summary

Modifier and Type	Method	Description
void	addCatalog(java.lang.String name, Catalog catalog)	Adds a named instance of Catalog to the factory (for subsequent retrieval later).
Catalog	getCatalog()	Gets the default instance of Catalog associated with the factory (if any); otherwise, return null.
Catalog	getCatalog(java.lang.String name)	Retrieves a Catalog instance by name (if any); otherwise return null.
java.util.Iterator	getNames()	Return an Iterator over the set of named Catalogs known to this CatalogFactory.
void	setCatalog(Catalog catalog)	Sets the default instance of Catalog associated with the factory.

Methods inherited from class org.apache.commons.chain.CatalogFactory

clear, getCommand, getInstance

Methods inherited from class java.lang.Object

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

Field Detail

catalog

private Catalog catalog

The default Catalog for this CatalogFactory.

catalogs

private java.util.Map catalogs

Map of named Catalogs, keyed by catalog name.

Constructor Detail

CatalogFactoryBase

public CatalogFactoryBase()

Construct an empty instance of CatalogFactoryBase. This constructor is intended solely for use by CatalogFactory.

Method Detail

getCatalog

public Catalog getCatalog()

Gets the default instance of Catalog associated with the factory (if any); otherwise, return null.

Specified by:

getCatalog in class CatalogFactory

Returns:

the default Catalog instance

setCatalog

public void setCatalog(Catalog catalog)

Sets the default instance of Catalog associated with the factory.

Specified by:

setCatalog in class CatalogFactory

Parameters:

catalog - the default Catalog instance

getCatalog

public Catalog getCatalog(java.lang.String name)

Retrieves a Catalog instance by name (if any); otherwise return null.

Specified by:

getCatalog in class CatalogFactory

Parameters:

name - the name of the Catalog to retrieve

Returns:

the specified Catalog

addCatalog

public void addCatalog(java.lang.String name,
                       Catalog catalog)

Adds a named instance of Catalog to the factory (for subsequent retrieval later).

Specified by:

addCatalog in class CatalogFactory

Parameters:

name - the name of the Catalog to add

catalog - the Catalog to add

getNames

public java.util.Iterator getNames()

Return an Iterator over the set of named Catalogs known to this CatalogFactory. If there are no known catalogs, an empty Iterator is returned.

Specified by:

getNames in class CatalogFactory

Returns:

An Iterator of the names of the Catalogs known by this factory.