[ http://issues.apache.org/jira/browse/CONFIGURATION-241?page=all ]
Oliver Heger resolved CONFIGURATION-241.
----------------------------------------
Fix Version/s: Nightly Builds
Resolution: Fixed
Fixed now in subversion. Thank you for spotting this.
> clearProperty() does not generate events
> ----------------------------------------
>
> Key: CONFIGURATION-241
> URL: http://issues.apache.org/jira/browse/CONFIGURATION-241
> Project: Commons Configuration
> Issue Type: Bug
> Affects Versions: 1.3 Final
> Environment: Java 1.5, Windows XP
> Reporter: Mike Whittemore
> Fix For: Nightly Builds
>
>
> I am loading configuration information from multiple sources and have
> registered a listener with the resulting configuration object. Unfortunately
> the listener does not receive "clear property" events. I've confirmed that it
> can properly receive other events (like "set property"), and that calls to
> "clearProperty()" do actually clear the property, so I believe this may be a
> bug in commons-configuration. I've tried setting "details" to true, which had
> no effect. Below is a watered down version of what I am doing (note, my
> configuration file simply pulls in a property file containing this property:
> name.first=Mike):
> ConfigurationFactory configurationFactory = new ConfigurationFactory();
> URL configFileURL = ... get the config file ...
> configurationFactory.setConfigurationURL(configFileURL);
> Configuration configuration = ConfigurationFactory.getConfiguration();
> configuration.addConfigurationListener(new ConfigurationListener() {
> public void configurationChanged(ConfigurationEvent e) {
> System.out.println(e.getPropertyName() + ": " + e.getPropertyValue());
> }
> });
> System.out.println(configuration.getProperty("name.first")); // prints "Mike"
> configuration.claerProperty("name.first")); // no output whatsoever
> System.out.println(configuration.getProperty("name.first")); // prints "null"
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