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* JBoss, Home of Professional Open Source.
* Copyright 2011, Red Hat, Inc., and individual contributors
* as indicated by the @author tags. See the copyright.txt file 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.
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package org.jboss.as.webservices.webserviceref;
import java.lang.reflect.AccessibleObject;
import java.util.Collections;
import java.util.LinkedList;
import java.util.List;
import java.util.Set;
import org.jboss.as.ee.component.BindingConfiguration;
import org.jboss.as.ee.component.ComponentDescription;
import org.jboss.as.ee.component.DeploymentDescriptorEnvironment;
import org.jboss.as.ee.component.EEApplicationClasses;
import org.jboss.as.ee.component.ResourceInjectionTarget;
import org.jboss.as.ee.component.deployers.AbstractDeploymentDescriptorBindingsProcessor;
import org.jboss.as.server.deployment.Attachments;
import org.jboss.as.server.deployment.DeploymentUnit;
import org.jboss.as.server.deployment.DeploymentUnitProcessingException;
import org.jboss.as.server.deployment.module.ResourceRoot;
import org.jboss.as.server.deployment.reflect.DeploymentReflectionIndex;
import org.jboss.as.webservices.util.VirtualFileAdaptor;
import org.jboss.metadata.javaee.spec.ResourceInjectionTargetMetaData;
import org.jboss.metadata.javaee.spec.ServiceReferenceMetaData;
import org.jboss.metadata.javaee.spec.ServiceReferencesMetaData;
import org.jboss.modules.Module;
import org.jboss.wsf.spi.deployment.UnifiedVirtualFile;
import org.jboss.wsf.spi.metadata.j2ee.serviceref.UnifiedServiceRefMetaData;
import static org.jboss.as.ee.utils.InjectionUtils.getInjectionTarget;
import static org.jboss.as.webservices.util.ASHelper.getWSRefRegistry;
import static org.jboss.as.webservices.webserviceref.WSRefUtils.processAnnotatedElement;
import static org.jboss.as.webservices.webserviceref.WSRefUtils.translate;
/**
* WebServiceRef DD processor.
*
* @author <a href="mailto:ropalka@redhat.com">Richard Opalka</a>
*/
public final class WSRefDDProcessor extends AbstractDeploymentDescriptorBindingsProcessor {
@Override
protected List<BindingConfiguration> processDescriptorEntries(final DeploymentUnit unit, final DeploymentDescriptorEnvironment environment, final ResourceInjectionTarget resourceInjectionTarget, final ComponentDescription componentDescription, final ClassLoader classLoader, final DeploymentReflectionIndex deploymentReflectionIndex, final EEApplicationClasses applicationClasses) throws DeploymentUnitProcessingException {
final ServiceReferencesMetaData serviceRefsMD = environment.getEnvironment().getServiceReferences();
if (serviceRefsMD == null) {
return Collections.<BindingConfiguration> emptyList();
}
final List<BindingConfiguration> bindingDescriptions = new LinkedList<BindingConfiguration>();
for (final ServiceReferenceMetaData serviceRefMD : serviceRefsMD) {
final UnifiedServiceRefMetaData serviceRefUMDM = getServiceRef(unit, componentDescription, serviceRefMD);
final Module module = unit.getAttachment(Attachments.MODULE);
final WSRefValueSource valueSource = new WSRefValueSource(serviceRefUMDM, module.getClassLoader());
final BindingConfiguration bindingConfiguration = new BindingConfiguration(serviceRefUMDM.getServiceRefName(), valueSource);
bindingDescriptions.add(bindingConfiguration);
final String serviceRefTypeName = serviceRefUMDM.getServiceRefType();
final Class<?> serviceRefType = getClass(classLoader, serviceRefTypeName);
processInjectionTargets(resourceInjectionTarget, valueSource, classLoader, deploymentReflectionIndex, serviceRefMD, serviceRefType);
}
return bindingDescriptions;
}
private static UnifiedServiceRefMetaData getServiceRef(final DeploymentUnit unit, final ComponentDescription componentDescription, final ServiceReferenceMetaData serviceRefMD) throws DeploymentUnitProcessingException {
// construct service ref
final UnifiedServiceRefMetaData serviceRefUMDM = new UnifiedServiceRefMetaData(getUnifiedVirtualFile(unit));
translate(serviceRefMD, serviceRefUMDM);
processWSFeatures(unit, serviceRefMD.getInjectionTargets(), serviceRefUMDM);
// register it
final WSReferences wsRefRegistry = getWSRefRegistry(unit);
final String cacheKey = getCacheKey(componentDescription, serviceRefUMDM);
wsRefRegistry.add(cacheKey, serviceRefUMDM);
return serviceRefUMDM;
}
private static String getCacheKey(final ComponentDescription componentDescription, final UnifiedServiceRefMetaData serviceRefUMMD) {
if (componentDescription == null) {
return serviceRefUMMD.getServiceRefName();
} else {
return componentDescription.getComponentName() + "/" + serviceRefUMMD.getServiceRefName();
}
}
private static void processWSFeatures(final DeploymentUnit unit, final Set<ResourceInjectionTargetMetaData> injectionTargets, final UnifiedServiceRefMetaData serviceRefUMDM) throws DeploymentUnitProcessingException {
if (injectionTargets == null || injectionTargets.size() == 0) return;
if (injectionTargets.size() > 1) {
// TODO: We should validate all the injection targets whether they're compatible.
// This means all the injection targets must be assignable or equivalent.
// If there are @Addressing, @RespectBinding or @MTOM annotations present on injection targets,
// these annotations must be equivalent for all the injection targets.
}
final Module module = unit.getAttachment(org.jboss.as.server.deployment.Attachments.MODULE);
final DeploymentReflectionIndex deploymentReflectionIndex = unit.getAttachment(org.jboss.as.server.deployment.Attachments.REFLECTION_INDEX);
final ResourceInjectionTargetMetaData injectionTarget = injectionTargets.iterator().next();
final String injectionTargetClassName = injectionTarget.getInjectionTargetClass();
final String injectionTargetName = injectionTarget.getInjectionTargetName();
final AccessibleObject fieldOrMethod = getInjectionTarget(injectionTargetClassName, injectionTargetName, module.getClassLoader(), deploymentReflectionIndex);
processAnnotatedElement(fieldOrMethod, serviceRefUMDM);
}
private Class<?> getClass(final ClassLoader classLoader, final String className) throws DeploymentUnitProcessingException { // TODO: refactor to common code
if (!isEmpty(className)) {
try {
return classLoader.loadClass(className);
} catch (ClassNotFoundException e) {
throw new DeploymentUnitProcessingException(e);
}
}
return null;
}
private static UnifiedVirtualFile getUnifiedVirtualFile(final DeploymentUnit deploymentUnit) { // TODO: refactor to common code
final ResourceRoot resourceRoot = deploymentUnit.getAttachment(org.jboss.as.server.deployment.Attachments.DEPLOYMENT_ROOT);
return new VirtualFileAdaptor(resourceRoot.getRoot());
}
private static boolean isEmpty(final String string) { // TODO: some common class - StringUtils ?
return string == null || string.isEmpty();
}
}