org.microbean.jersey.netty

Class MapBackedPropertiesDelegate

java.lang.Object

org.microbean.jersey.netty.MapBackedPropertiesDelegate

All Implemented Interfaces:

PropertiesDelegate

public class MapBackedPropertiesDelegate
extends Object
implements PropertiesDelegate

A simple PropertiesDelegate built around a Map.

Thread Safety

Instances of this class are not safe for concurrent use by multiple threads.

Author:

Laird Nelson

See Also:

PropertiesDelegate

Constructor Summary

Constructors

Constructor and Description
MapBackedPropertiesDelegate() Creates a new MapBackedPropertiesDelegate.
MapBackedPropertiesDelegate(Map<String,Object> map) Creates a new MapBackedPropertiesDelegate.

Method Summary

Modifier and Type	Method and Description
Object	getProperty(String name) Returns the property value indexed under the supplied name, or null if the property value is itself null or if no such property exists.
Collection<String>	getPropertyNames() Returns a Collection of the names of properties that this MapBackedPropertiesDelegate stores.
void	removeProperty(String name) Removes any property value indexed under the supplied property name.
void	setProperty(String name, Object value) Sets the supplied value as the property value to be indexed under the supplied name.

Methods inherited from class java.lang.Object

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

Constructor Detail

MapBackedPropertiesDelegate

public MapBackedPropertiesDelegate()

Creates a new MapBackedPropertiesDelegate.

See Also:

MapBackedPropertiesDelegate(Map)

MapBackedPropertiesDelegate

public MapBackedPropertiesDelegate(Map<String,Object> map)

Creates a new MapBackedPropertiesDelegate.

Parameters:

map - the Map implementing this MapBackedPropertiesDelegate; may be null in which case a new HashMap will be used instead; accessed by reference

Method Detail

getProperty

public final Object getProperty(String name)

Returns the property value indexed under the supplied name, or null if the property value is itself null or if no such property exists.

This method may return null.

Specified by:

getProperty in interface PropertiesDelegate

Parameters:

name - the name of the property; may be null

Returns:

the property value, or null

getPropertyNames

public final Collection<String> getPropertyNames()

Returns a Collection of the names of properties that this MapBackedPropertiesDelegate stores.

This method never returns null.

The order of the elements of the returned Collection is deliberately unspecified, is subject to change, and must not be relied upon.

Specified by:

getPropertyNames in interface PropertiesDelegate

Returns:

a non-null Collection of property names

setProperty

public final void setProperty(String name,
                              Object value)

Sets the supplied value as the property value to be indexed under the supplied name.

Specified by:

setProperty in interface PropertiesDelegate

Parameters:

name - the name of the property to set; may be null

value - the value of the property to set; may be null

removeProperty

public final void removeProperty(String name)

Removes any property value indexed under the supplied property name.

Specified by:

removeProperty in interface PropertiesDelegate

Parameters:

name - the name of the property to remove; may be null