at.mug.iqm.commons.util

Class PropertyManager

java.lang.Object

at.mug.iqm.commons.util.PropertyManager

Direct Known Subclasses:

DefaultPropertyManager, XMLPropertyManager

public class PropertyManager
extends Object

This class manages properties stored in a specific .properties file.

Author:

Philipp Kainz

Field Summary

Fields

Modifier and Type	Field and Description
private File	propFile
private Properties	props

Constructor Summary

Constructors

Constructor and Description
PropertyManager() Standard constructor.
PropertyManager(File f) Constructs a PropertyManager and stores the key-value pairs in the specified file.

Method Summary

Modifier and Type	Method and Description
static PropertyManager	getManager(Object o) Gets a property manager for a Class name of a specific object.
String	getProperty(String key) Get a specific property by key.
File	getPropFile() Gets the file of this manager.
static void	main(String[] args)
Properties	read() Reads the current property file.
static Properties	read(File file, boolean createIfNotExists) Reads properties from a file.
void	setProperty(String key, String value) Sets the property and writes it to the file.
void	setPropFile(File propFile) Sets the file of this manager.
void	write() Writes the current property file.
static void	write(Properties props, File file, String comment) Writes properties to a file.

Methods inherited from class java.lang.Object

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

Field Detail

propFile

private File propFile

props

private Properties props

Constructor Detail

PropertyManager

public PropertyManager()

Standard constructor.

PropertyManager

public PropertyManager(File f)

Constructs a PropertyManager and stores the key-value pairs in the specified file.

Parameters:

f -

Method Detail

write

public static void write(Properties props,
                         File file,
                         String comment)

Writes properties to a file.

Parameters:

props -

file -

comment -

read

public static Properties read(File file,
                              boolean createIfNotExists)

Reads properties from a file.

Parameters:

file -

createIfNotExists - if true, the file will be created and the properties associated with that file are returned, if false, the method returns null

Returns:

the Properties object

getManager

public static PropertyManager getManager(Object o)

Gets a property manager for a Class name of a specific object. This method instantiates a property file for this class and loads it to the manager.

Parameters:

o -

Returns:

the PropertyManager for a given class

setPropFile

public void setPropFile(File propFile)

Sets the file of this manager.

Parameters:

propFile -

getPropFile

public File getPropFile()

Gets the file of this manager.

Returns:

the property file

setProperty

public void setProperty(String key,
                        String value)

Sets the property and writes it to the file.

Parameters:

key -

value -

getProperty

public String getProperty(String key)

Get a specific property by key.

Parameters:

key -

Returns:

a String, the value associated with the key, or null if the property is not found

read

public Properties read()

Reads the current property file.

Returns:

the properties as Properties object

write

public void write()

Writes the current property file.

main

public static void main(String[] args)
                 throws JAXBException

Throws:

JAXBException