jcckit.util

Class PropertiesBasedConfigData

java.lang.Object

jcckit.util.FlatConfigData

jcckit.util.PropertiesBasedConfigData

All Implemented Interfaces:

ConfigData

public class PropertiesBasedConfigData
extends FlatConfigData

Implementation of FlatConfigData based on java.util.Properties.

Author:

Franz-Josef Elmer

Constructor Summary

Constructors

Constructor and Description
PropertiesBasedConfigData(Properties properties) Creates an instance based on the specified properties.
PropertiesBasedConfigData(String fileName) Creates an instance from the specified .properties file.

Method Summary

Modifier and Type	Method and Description
protected ConfigData	createConfigData(String path) Returns a new instance of PropertiesBasedConfigData for the specified full path.
protected String	getValue(String fullKey) Returns the value for the specified full key.

Methods inherited from class jcckit.util.FlatConfigData

get, getFullKey, getNode

Methods inherited from class java.lang.Object

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

Constructor Detail

PropertiesBasedConfigData

public PropertiesBasedConfigData(String fileName)
                          throws IOException

Creates an instance from the specified .properties file.

Parameters:

fileName - File name of the .properties file relative to the working directory or absolute.

Throws:

IOException - if the .properties does not exist or could not be read.

PropertiesBasedConfigData

public PropertiesBasedConfigData(Properties properties)

Creates an instance based on the specified properties. The path is undefined.

Method Detail

getValue

protected String getValue(String fullKey)

Returns the value for the specified full key. The call will be delegated to the wrapped java.util.properties object.

Specified by:

getValue in class FlatConfigData

Parameters:

fullKey - The full key including path. null is not allowed.

Returns:

the value or null if not found.

createConfigData

protected ConfigData createConfigData(String path)

Returns a new instance of PropertiesBasedConfigData for the specified full path. The wrapped java.util.Properties will be the same as of this instance.

Specified by:

createConfigData in class FlatConfigData

Parameters:

path - The full path.

Returns:

a new instance.