org.settings4j.helper.configuration

Class ConfigurationToConnectorAdapter

java.lang.Object

org.settings4j.connector.AbstractConnector

org.settings4j.connector.AbstractPropertyConnector

org.settings4j.helper.configuration.ConfigurationToConnectorAdapter

All Implemented Interfaces:

Connector

public class ConfigurationToConnectorAdapter
extends AbstractPropertyConnector

Adapter to use an Apache Commons Configuration as Settings4j connector.

Example Usage

Create a XMLConfiguration instance and add it to the Settings4j instance as Connector.

 String connectorName = "myCommonsConfigXmlConfigConnector";
 Connector connector =  Settings4j.getSettings().getConnector(connectorName);
 if (connector == null) {
     XMLConfiguration configuration = new XMLConfiguration(new File(.....));
 
     connector = new ConfigurationToConnectorAdapter(connectorName, configuration);
 
     // add the connecter after the last SystemPropertyConnector or add it as first connector.
     Settings4j.getSettings().addConnector(connector, //
         ConnectorPositions.firstValid(//
             ConnectorPositions.afterLast(SystemPropertyConnector.class), //
             ConnectorPositions.atFirst() // if no SystemPropertyConnector is configured.
             )//
         );
 }
 

Author:

brabenetz

Constructor Summary

Constructors

Constructor and Description
ConfigurationToConnectorAdapter(String name, org.apache.commons.configuration.Configuration configuration)

Method Summary

Methods

Modifier and Type	Method and Description
org.apache.commons.configuration.Configuration	getConfiguration()
protected String	getProperty(String key, String defaultValue) Very similar to System.getProperty except that the SecurityException is hidden.

Methods inherited from class org.settings4j.connector.AbstractPropertyConnector

getContent, getObject, getString

Methods inherited from class org.settings4j.connector.AbstractConnector

addConnector, getConnectors, getContentResolver, getName, getObjectResolver, init, setContentResolver, setName, setObjectResolver

Methods inherited from class java.lang.Object

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

Constructor Detail

ConfigurationToConnectorAdapter

public ConfigurationToConnectorAdapter(String name,
                               org.apache.commons.configuration.Configuration configuration)

Parameters:

name - The unique name of this connector.

configuration - The apache commons configuration instance to wrap and use as Settings4j connector.

Method Detail

getProperty

protected String getProperty(String key,
                 String defaultValue)

Description copied from class: AbstractPropertyConnector

Very similar to System.getProperty except that the SecurityException is hidden.

Specified by:

getProperty in class AbstractPropertyConnector

Parameters:

key - The key to search for.

defaultValue - The default value to return.

Returns:

the string value of the system property, or the default value if there is no property with that key.

getConfiguration

public org.apache.commons.configuration.Configuration getConfiguration()