org.apache.tamaya.events.folderobserver

Class ObservingPropertySourceProvider

java.lang.Object

org.apache.tamaya.events.folderobserver.ObservingPropertySourceProvider

All Implemented Interfaces:

PropertySourceProvider

public class ObservingPropertySourceProvider
extends Object
implements PropertySourceProvider

This implementation run in a folder taking up all file compatible with the given ConfigurationFormats. When a file is added, deleted or modified the PropertySourceProvider will adapt the changes automatically and trigger according PropertySourceChange events. The default folder is META-INF/config, but you can change using the absolute path in "-Dtamaya.configdir" parameter.

Constructor Summary

Constructors

Constructor and Description
ObservingPropertySourceProvider(ConfigurationFormat... formats) Constructor, reading the config file from classpath resource and system property.
ObservingPropertySourceProvider(Path directory, ConfigurationFormat... formats) Constructorm using an explicit directory, ignoring all kind of configuration, if set.

Method Summary

Modifier and Type	Method and Description
void	directoryChanged(Path directory) Called when a file has been modified.
Collection<PropertySource>	getPropertySources()
protected Collection<PropertySource>	getPropertySources(ConfigurationData data)
protected ConfigurationData	loadFile(Path file) Load a single file.

Methods inherited from class java.lang.Object

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

Constructor Detail

ObservingPropertySourceProvider

public ObservingPropertySourceProvider(ConfigurationFormat... formats)

Constructor, reading the config file from classpath resource and system property.

ObservingPropertySourceProvider

public ObservingPropertySourceProvider(Path directory,
                                       ConfigurationFormat... formats)

Constructorm using an explicit directory, ignoring all kind of configuration, if set.

Parameters:

directory - the target directory. If null, the default configuration and system property are used.

formats - the formats to be used.

Method Detail

getPropertySources

protected Collection<PropertySource> getPropertySources(ConfigurationData data)

loadFile

protected ConfigurationData loadFile(Path file)

Load a single file.

Parameters:

file - the file, not null.

directoryChanged

public void directoryChanged(Path directory)

Called when a file has been modified.

Parameters:

directory - the file path, not null.

getPropertySources

public Collection<PropertySource> getPropertySources()

Specified by:

getPropertySources in interface PropertySourceProvider