org.hawkular.agent.javaagent.config

Class ConfigManager

java.lang.Object

org.hawkular.agent.javaagent.config.ConfigManager

public class ConfigManager
extends Object

This manages the configuration file.

Constructor Summary

Constructors

Constructor and Description
ConfigManager(File file) Creates a manager.

Method Summary

Modifier and Type	Method and Description
File	getConfigFile()
Configuration	getConfiguration()
Configuration	getConfiguration(boolean forceLoad)
boolean	hasConfiguration()
void	updateConfiguration(Configuration config, boolean createBackup) Updates the configuration and writes it to the file, overwriting the previous content of the file.

Methods inherited from class java.lang.Object

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

Constructor Detail

ConfigManager

public ConfigManager(File file)

Creates a manager. This does not load the configuration, since it might not exist yet. Call getConfiguration() to get the current configuration or call #updateConfiguration(Configuration) to write the configuration.

Parameters:

file - the configuration file

Method Detail

getConfigFile

public File getConfigFile()

Returns:

the file where the configuration does or will exist

hasConfiguration

public boolean hasConfiguration()

Returns:

true if a configuration has been successfully loaded, false if a configuration has not yet been loaded or failed to be loaded

getConfiguration

public Configuration getConfiguration()

Returns:

a copy of the configuration that has already been loaded; if no config has been loaded, returns null.

See Also:

hasConfiguration()

getConfiguration

public Configuration getConfiguration(boolean forceLoad)
                               throws Exception

Parameters:

if - true the data from the config file will be reloaded, even if it was loaded before (this ensures the in-memory configuration is refreshed from the file).

Returns:

a copy of the configuration; if not yet loaded, it will be loaded from the file

Throws:

Exception - if the configuration file is invalid

updateConfiguration

public void updateConfiguration(Configuration config,
                                boolean createBackup)
                         throws Exception

Updates the configuration and writes it to the file, overwriting the previous content of the file.

Parameters:

config - the new configuration

createBackup - if true a .bak file is copied from the original as a backup

Throws:

Exception - if the new configuration cannot be written to the file