org.gvsig.tools.locator

Class AbstractLocator

java.lang.Object

org.gvsig.tools.locator.AbstractLocator

All Implemented Interfaces:

Locator, Locator_withExists

Direct Known Subclasses:

BaseLocator, ToolsLocator

public abstract class AbstractLocator
extends Object
implements Locator, Locator_withExists

Locator implementation based on the use of the ExtensionPoints.

Author:

Cèsar Ordiñana

Constructor Summary

Constructors

Constructor and Description
AbstractLocator()

Method Summary

Methods

Modifier and Type	Method and Description
boolean	exists(String name) Returns true if exists a manager registered for this name.
Object	get(String name) Returns a reference to the object with the given name.
String[]	getNames() Returns the list of names of references available through this Locator.
void	register(String name, Class clazz) Registers a class related to a name.
void	register(String name, LocatorObjectFactory factory) Registers an object factory related to a name.
void	register(String name, String description, Class clazz) Registers a class related to a name.
void	register(String name, String description, LocatorObjectFactory factory) Registers an object factory related to a name.
void	registerDefault(String name, Class clazz)
void	registerDefault(String name, String description, Class clazz)
String	toString()

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.gvsig.tools.locator.Locator

getLocatorName

Constructor Detail

AbstractLocator

public AbstractLocator()

Method Detail

get

public Object get(String name)
           throws LocatorException

Description copied from interface: Locator

Returns a reference to the object with the given name.

Specified by:

get in interface Locator

Parameters:

name - of the object to return

Returns:

an instance of an object, or null if not found

Throws:

LocatorException - if there is no access to the class or the class cannot be instantiated

exists

public boolean exists(String name)

Description copied from interface: Locator_withExists

Returns true if exists a manager registered for this name. The manager can be created or no.

Specified by:

exists in interface Locator_withExists

Parameters:

name - of the object to return

Returns:

true if a manager is registered for this name.

getNames

public String[] getNames()

Description copied from interface: Locator

Returns the list of names of references available through this Locator. Must return null if there are not any registered names.

Specified by:

getNames in interface Locator

Returns:

the list of names of references

register

public void register(String name,
            Class clazz)

Description copied from interface: Locator

Registers a class related to a name. The class is used to create an instance of the object to return in the Locator.get(String) method.

Specified by:

register in interface Locator

Parameters:

name - of the object to register

clazz - the Class of the object to register

registerDefault

public void registerDefault(String name,
                   Class clazz)

Specified by:

registerDefault in interface Locator

register

public void register(String name,
            String description,
            Class clazz)

Description copied from interface: Locator

Registers a class related to a name. The class is used to create an instance of the object to return in the Locator.get(String) method.

Specified by:

register in interface Locator

Parameters:

name - of the object to register

description - of the object to register

clazz - the Class of the object to register

registerDefault

public void registerDefault(String name,
                   String description,
                   Class clazz)

Specified by:

registerDefault in interface Locator

register

public void register(String name,
            LocatorObjectFactory factory)

Description copied from interface: Locator

Registers an object factory related to a name. The factory is used to create an instance of the object to return in the Locator.get(String) method.

Specified by:

register in interface Locator

Parameters:

name - of the object to register

factory - the factory of objects to register

register

public void register(String name,
            String description,
            LocatorObjectFactory factory)

Description copied from interface: Locator

Registers an object factory related to a name. The factory is used to create an instance of the object to return in the Locator.get(String) method.

Specified by:

register in interface Locator

Parameters:

name - of the object to register

description - of the object to register

factory - the factory of objects to register

toString

public String toString()

Overrides:

toString in class Object