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* JBoss, Home of Professional Open Source
* Copyright 2005, JBoss Inc., and individual contributors as indicated
* by the @authors tag. See the copyright.txt in the distribution for a
* full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.jboss.kernel.plugins.dependency;
import org.jboss.beans.info.spi.BeanInfo;
import org.jboss.beans.metadata.spi.BeanMetaData;
import org.jboss.dependency.spi.ControllerState;
import org.jboss.dependency.spi.DependencyInfo;
import org.jboss.dependency.spi.ScopeInfo;
import org.jboss.joinpoint.spi.Joinpoint;
import org.jboss.kernel.Kernel;
import org.jboss.kernel.spi.config.KernelConfigurator;
import org.jboss.kernel.spi.dependency.KernelController;
import org.jboss.kernel.spi.dependency.KernelControllerContext;
import org.jboss.kernel.spi.dependency.KernelControllerContextAware;
import org.jboss.kernel.spi.dependency.InstantiateKernelControllerContextAware;
import org.jboss.kernel.spi.metadata.KernelMetaDataRepository;
import org.jboss.metadata.spi.MetaData;
import org.jboss.metadata.spi.scope.ScopeKey;
import org.jboss.metadata.spi.scope.CommonLevels;
/**
* InstantiateAction.
*
* @author <a href="adrian@jboss.com">Adrian Brock</a>
* @version $Revision: 76224 $
*/
public class InstantiateAction extends AnnotationsAction
{
@SuppressWarnings("deprecation")
protected void installActionInternal(KernelControllerContext context) throws Throwable
{
KernelController controller = (KernelController) context.getController();
Kernel kernel = controller.getKernel();
KernelMetaDataRepository repository = kernel.getMetaDataRepository();
KernelConfigurator configurator = kernel.getConfigurator();
BeanMetaData metaData = context.getBeanMetaData();
BeanInfo info = context.getBeanInfo();
MetaData repositoryMetaData = repository.getMetaData(context);
Joinpoint joinPoint = configurator.getConstructorJoinPoint(info, metaData.getConstructor(), metaData, repositoryMetaData);
BeanValidatorBridge bridge = getBeanValidatorBridge(context);
if (bridge != null)
bridge.validateConstructorValues(context, joinPoint);
Object object = dispatchJoinPoint(context, joinPoint);
if (object == null)
throw new IllegalStateException("Instantiate joinpoint returned a null object: " + joinPoint);
if (bridge != null)
bridge.validateInstance(context, object);
context.setTarget(object);
try
{
if (info == null)
{
info = configurator.getBeanInfo(object.getClass(), metaData.getAccessMode());
context.setBeanInfo(info);
// update class scope with class info
repository = kernel.getMetaDataRepository();
// remove old context
repository.removeMetaData(context);
// create new scope key
ScopeInfo scopeInfo = context.getScopeInfo();
ScopeKey scopeKey = new ScopeKey(scopeInfo.getScope().getScopes());
scopeKey.addScope(CommonLevels.CLASS, info.getClassInfo().getType());
scopeInfo.setScope(scopeKey);
// re-register
repository.addMetaData(context);
// handle custom annotations
applyAnnotations(context);
}
DependencyInfo dependencyInfo = context.getDependencyInfo();
if (dependencyInfo != null && dependencyInfo.isAutowireCandidate())
controller.addInstantiatedContext(context);
}
catch (Throwable t)
{
uninstall(context);
throw t;
}
}
protected void uninstallActionInternal(KernelControllerContext context)
{
try
{
KernelController controller = (KernelController)context.getController();
DependencyInfo dependencyInfo = context.getDependencyInfo();
if (dependencyInfo != null && dependencyInfo.isAutowireCandidate())
controller.removeInstantiatedContext(context);
}
catch (Throwable ignored)
{
log.debug("Ignored error unsetting context ", ignored);
}
finally
{
context.setTarget(null);
}
}
protected ControllerState getState()
{
return ControllerState.INSTANTIATED;
}
protected Class<? extends KernelControllerContextAware> getActionAwareInterface()
{
return InstantiateKernelControllerContextAware.class;
}
}