/*
* 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.
*/
package org.jboss.as.ee.component;
import org.jboss.as.naming.ManagedReferenceFactory;
import org.jboss.as.server.deployment.DeploymentUnit;
import org.jboss.as.server.deployment.DeploymentUnitProcessingException;
import org.jboss.as.server.deployment.reflect.ClassReflectionIndex;
import org.jboss.as.server.deployment.reflect.ClassReflectionIndexUtil;
import org.jboss.as.server.deployment.reflect.DeploymentReflectionIndex;
import org.jboss.invocation.InterceptorFactory;
import org.jboss.modules.Module;
import org.jboss.modules.ModuleClassLoader;
import org.jboss.msc.value.Value;
import java.lang.reflect.Method;
import java.util.Collection;
import java.util.Iterator;
import static org.jboss.as.ee.EeMessages.MESSAGES;
import static org.jboss.as.server.deployment.Attachments.MODULE;
import static org.jboss.as.server.deployment.Attachments.REFLECTION_INDEX;
/**
* @author <a href="mailto:david.lloyd@redhat.com">David M. Lloyd</a>
*/
public final class MethodInjectionTarget extends InjectionTarget {
public MethodInjectionTarget(final String className, final String name, final String paramType) {
super(className, name, paramType);
}
public InterceptorFactory createInjectionInterceptorFactory(final Object targetContextKey, final Object valueContextKey, final Value<ManagedReferenceFactory> factoryValue, final DeploymentUnit deploymentUnit, final boolean optional) throws DeploymentUnitProcessingException {
final String name = getName();
final String className = getClassName();
final String paramType = getDeclaredValueClassName();
final Module module = deploymentUnit.getAttachment(MODULE);
final ModuleClassLoader classLoader = module.getClassLoader();
final DeploymentReflectionIndex reflectionIndex = deploymentUnit.getAttachment(REFLECTION_INDEX);
final ClassReflectionIndex<?> classIndex;
try {
classIndex = reflectionIndex.getClassIndex(Class.forName(className, false, classLoader));
} catch (ClassNotFoundException e) {
throw new DeploymentUnitProcessingException(e);
}
Collection<Method> methods = null;
if (paramType != null) {
// find the methods with the specific name and the param types
methods = ClassReflectionIndexUtil.findMethods(reflectionIndex, classIndex, name, paramType);
}
// either paramType is not set, or we may need to find autoboxing methods
// e.g. setMyBoolean(boolean) for a Boolean
if (methods == null || methods.isEmpty()) {
// find all the methods with the specific name and which accept just 1 parameter.
methods = ClassReflectionIndexUtil.findAllMethods(reflectionIndex, classIndex, name, 1);
}
Iterator<Method> iterator = methods.iterator();
if (!iterator.hasNext()) {
throw MESSAGES.methodNotFound(name, paramType, className);
}
Method method = iterator.next();
if (iterator.hasNext()) {
throw MESSAGES.multipleMethodsFound(name, paramType, className);
}
return new ManagedReferenceMethodInjectionInterceptorFactory(targetContextKey, valueContextKey, factoryValue, method, optional);
}
}