ej.property.loader

Class CompositePropertyLoader

java.lang.Object

ej.property.loader.CompositePropertyLoader

All Implemented Interfaces:

PropertyLoader

public class CompositePropertyLoader
extends Object
implements PropertyLoader

A composite property loader contains a list a property loaders. It searches the requested properties in its children sequentially respecting the order they are added.

Constructor Summary

Constructors

Constructor and Description
CompositePropertyLoader() Creates a new empty composite service loader.

Method Summary

Modifier and Type	Method and Description
void	addPropertyLoader(PropertyLoader propertyLoader) Adds a property loader at the end of the list a property loaders used by this composite property loader.
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.

Methods inherited from class java.lang.Object

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

Constructor Detail

CompositePropertyLoader

public CompositePropertyLoader()

Creates a new empty composite service loader.

Method Detail

addPropertyLoader

public void addPropertyLoader(PropertyLoader propertyLoader)

Adds a property loader at the end of the list a property loaders used by this composite property loader.

Parameters:

propertyLoader - the property loader to add.

Throws:

NullPointerException - if the given property loader is null.

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.