Package org.jboss.as.ee.component

Source Code of org.jboss.as.ee.component.FieldInjectionTarget

/*
* 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 static org.jboss.as.server.deployment.Attachments.MODULE;
import static org.jboss.as.server.deployment.Attachments.REFLECTION_INDEX;
import static org.jboss.as.ee.EeMessages.MESSAGES;

import java.lang.reflect.Field;

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.DeploymentReflectionIndex;
import org.jboss.invocation.InterceptorFactory;
import org.jboss.modules.Module;
import org.jboss.modules.ModuleClassLoader;
import org.jboss.msc.value.Value;

/**
* @author <a href="mailto:david.lloyd@redhat.com">David M. Lloyd</a>
*/
public final class FieldInjectionTarget extends InjectionTarget {


    /**
     *
     * @param className
     * @param name
     * @param fieldType
     */
    public FieldInjectionTarget(final String className, final String name, final String fieldType) {
        super(className, name, fieldType);
    }

    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 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);
        }
        final Field field = classIndex.getField(name);
        if (field == null) {
            throw MESSAGES.fieldNotFound(name);
        }
        return new ManagedReferenceFieldInjectionInterceptorFactory(targetContextKey, valueContextKey, factoryValue, field, optional);
    }
}
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