jcckit.util
Class ConfigParametersBasedConfigData

java.lang.Object
  jcckit.util.ConfigParametersBasedConfigData

All Implemented Interfaces:

ConfigData

public class ConfigParametersBasedConfigData

extends java.lang.Object

implements ConfigData

An implementation of ConfigData based on two instances of ConfigParameters. The second one serves as a set of default parameters. It will be used if the first one has not the requested key-value pair.

Author:

Franz-Josef Elmer

Constructor Summary

ConfigParametersBasedConfigData(ConfigParameters config, ConfigParameters defaultConfig)
Creates an instance.

Method Summary

java.lang.String	get(java.lang.String key) Returns the value associated with this key.
java.lang.String	getFullKey(java.lang.String key) Returns the full key.
ConfigData	getNode(java.lang.String key) Returns the ConfigData object associated with this key.

Methods inherited from class java.lang.Object

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

Constructor Detail

ConfigParametersBasedConfigData

public ConfigParametersBasedConfigData(ConfigParameters config,
                                       ConfigParameters defaultConfig)

Creates an instance.

Parameters:

config - A set of key-value pairs.

defaultConfig - The default set of key-value pairs.

Method Detail

getFullKey

public java.lang.String getFullKey(java.lang.String key)

Returns the full key.

Specified by:

getFullKey in interface ConfigData

Parameters:

key - A (relative) key. null is not allowed.

Returns:

the full key including path.

get

public java.lang.String get(java.lang.String key)

Returns the value associated with this key.

Specified by:

get in interface ConfigData

Parameters:

key - The relative key. null is not allowed.

Returns:

the associated value. Will be null if no value exists for key.

getNode

public ConfigData getNode(java.lang.String key)

Returns the ConfigData object associated with this key.

Specified by:

getNode in interface ConfigData

Parameters:

key - The relative key. null is not allowed.

Returns:

the associated value. Will never return null. Instead an empty ConfigData is returned.