org.codehaus.plexus.configuration.source.ChainedConfigurationSource Maven / Gradle / Ivy
package org.codehaus.plexus.configuration.source;
import java.util.Iterator;
import java.util.List;
import org.codehaus.plexus.component.repository.ComponentDescriptor;
import org.codehaus.plexus.configuration.PlexusConfiguration;
/**
* A configuration source that delegates to any number of underlying configuration sources. If you are an application
* author and want to create a custom source of configuration for the components in your application then you would most
* likely want to create a chained configuration source where you can decide the order of processing, but still have the
* container perform its default behavior.
*
* @author Jason van Zyl
*/
public class ChainedConfigurationSource
implements ConfigurationSource
{
private List configurationSources;
public ChainedConfigurationSource( List configurationSources )
{
this.configurationSources = configurationSources;
}
public PlexusConfiguration getConfiguration( ComponentDescriptor componentDescriptor )
{
for ( Iterator i = configurationSources.iterator(); i.hasNext(); )
{
ConfigurationSource configurationSource = (ConfigurationSource) i.next();
PlexusConfiguration configuration = configurationSource.getConfiguration( componentDescriptor );
if ( configuration != null )
{
return configuration;
}
}
return null;
}
public List getConfigurationSources()
{
return configurationSources;
}
}