package org.codehaus.plexus.container.initialization;
/*
* Copyright 2001-2006 Codehaus Foundation.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import org.codehaus.plexus.PlexusContainer;
import org.codehaus.plexus.component.configurator.BasicComponentConfigurator;
import org.codehaus.plexus.component.configurator.ComponentConfigurationException;
import org.codehaus.plexus.component.repository.ComponentDescriptor;
import org.codehaus.plexus.configuration.PlexusConfiguration;
import org.codehaus.plexus.configuration.xml.XmlPlexusConfiguration;
/**
* @author Jason van Zyl
*/
public abstract class AbstractCoreComponentInitializationPhase
extends AbstractContainerInitializationPhase
{
BasicComponentConfigurator configurator = new BasicComponentConfigurator();
public void execute( ContainerInitializationContext context )
throws ContainerInitializationException
{
initializeCoreComponent( context );
}
protected abstract void initializeCoreComponent( ContainerInitializationContext context )
throws ContainerInitializationException;
protected void setupCoreComponent( String role,
BasicComponentConfigurator configurator,
PlexusConfiguration c,
PlexusContainer container )
throws ContainerInitializationException
{
String implementation = c.getAttribute( "implementation", null );
if ( implementation == null )
{
//TODO: put plexus.conf in constants and change to plexus.xml
String msg = "Core component: '" + role + "' + which is needed by plexus to function properly cannot " +
"be instantiated. Implementation attribute was not specified in plexus.conf." +
"This is highly irregular, your plexus JAR is most likely corrupt.";
throw new ContainerInitializationException( msg );
}
ComponentDescriptor componentDescriptor = new ComponentDescriptor();
componentDescriptor.setRole( role );
componentDescriptor.setImplementation( implementation );
PlexusConfiguration configuration = new XmlPlexusConfiguration( "containerConfiguration" );
configuration.addChild( c );
try
{
configurator.configureComponent( container, configuration, container.getContainerRealm() );
}
catch ( ComponentConfigurationException e )
{
// TODO: don't like rewrapping the same exception, but better than polluting this all through the config code
String message = "Error configuring component: " + componentDescriptor.getHumanReadableKey();
throw new ContainerInitializationException( message, e );
}
}
}