ej.property.registry

Class SimplePropertyRegistry

java.lang.Object

ej.property.registry.SimplePropertyRegistry

All Implemented Interfaces:

PropertyLoader, PropertyRegistry

public class SimplePropertyRegistry
extends Object
implements PropertyRegistry

Simple implementation of a property registry.

Constructor Summary

Constructors

Constructor and Description
SimplePropertyRegistry() Creates a simple property registry.

Method Summary

Modifier and Type	Method and Description
protected void	checkPropertyPermission(String key, String action) Checks that an action on a property is permitted.
String	getProperty(String key) Gets the value mapped with the specified key.
String	getProperty(String key, String defaultValue) Gets the value mapped with the specified key or a default value.
String	removeProperty(String key) Removes a property.
String	setProperty(String key, String value) Sets a property that maps a key to a value.

Methods inherited from class java.lang.Object

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

Constructor Detail

SimplePropertyRegistry

public SimplePropertyRegistry()

Creates a simple property registry.

Method Detail

getProperty

@Nullable
public String getProperty(String key)

Description copied from interface: PropertyLoader

Gets the value mapped with the specified key.

Specified by:

getProperty in interface PropertyLoader

Parameters:

key - the key.

Returns:

the value of the property, or null if the property is not found.

getProperty

public String getProperty(String key,
                          String defaultValue)

Description copied from interface: PropertyLoader

Gets the value mapped with the specified key or a default value.

Specified by:

getProperty in interface PropertyLoader

Parameters:

key - the key.

defaultValue - the default value.

Returns:

the value of the property, or the default value if the property is not found.

setProperty

@Nullable
public String setProperty(String key,
                                     String value)

Description copied from interface: PropertyRegistry

Sets a property that maps a key to a value.

Specified by:

setProperty in interface PropertyRegistry

Parameters:

key - the key.

value - the value.

Returns:

the previous value of the property, or null if the property is not found.

removeProperty

@Nullable
public String removeProperty(String key)

Description copied from interface: PropertyRegistry

Removes a property.

Specified by:

removeProperty in interface PropertyRegistry

Parameters:

key - the key.

Returns:

the value of the property, or null if the property is not found.

checkPropertyPermission

protected void checkPropertyPermission(String key,
                                       String action)

Checks that an action on a property is permitted.

Parameters:

key - the property key.

action - the action.