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/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 *
 * Copyright (c) 2013-2014 Oracle and/or its affiliates. All rights reserved.
 *
 * The contents of this file are subject to the terms of either the GNU
 * General Public License Version 2 only ("GPL") or the Common Development
 * and Distribution License("CDDL") (collectively, the "License").  You
 * may not use this file except in compliance with the License.  You can
 * obtain a copy of the License at
 * https://glassfish.dev.java.net/public/CDDL+GPL_1_1.html
 * or packager/legal/LICENSE.txt.  See the License for the specific
 * language governing permissions and limitations under the License.
 *
 * When distributing the software, include this License Header Notice in each
 * file and include the License file at packager/legal/LICENSE.txt.
 *
 * GPL Classpath Exception:
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 * exception as provided by Oracle in the GPL Version 2 section of the License
 * file that accompanied this code.
 *
 * Modifications:
 * If applicable, add the following below the License Header, with the fields
 * enclosed by brackets [] replaced by your own identifying information:
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 */

package org.glassfish.weld;

import org.jboss.weld.Container;
import org.jboss.weld.SimpleCDI;
import org.jboss.weld.bootstrap.spi.BeanDeploymentArchive;
import org.jboss.weld.manager.BeanManagerImpl;

import javax.enterprise.inject.spi.CDI;
import javax.enterprise.inject.spi.CDIProvider;
import java.util.Map;
import java.util.Set;

/**
 * @author JJ Snyder
 */
public class GlassFishWeldProvider implements CDIProvider {
    private static class GlassFishEnhancedWeld extends SimpleCDI {

        @Override
        protected BeanManagerImpl unsatisfiedBeanManager(String callerClassName) {
            /*
             * In certain scenarios we use flat deployment model (weld-se, weld-servlet). In that case
             * we return the only BeanManager we have.
             */
            if (Container.instance().beanDeploymentArchives().values().size() == 1) {
                return Container.instance().beanDeploymentArchives().values().iterator().next();
            }

            // To get the correct bean manager we need to determine the class loader of the calling class.
            // unfortunately we only have the class name so we need to find the root bda that has a class loader
            // that can successfully load the class.  This should give us the correct BDA which then can be used
            // to get the correct bean manager
            Map beanDeploymentArchives =
                Container.instance().beanDeploymentArchives();
            Set> entries = beanDeploymentArchives.entrySet();
            for (Map.Entry entry : entries) {
              BeanDeploymentArchive beanDeploymentArchive = entry.getKey();
              if ( beanDeploymentArchive instanceof RootBeanDeploymentArchive ) {
                RootBeanDeploymentArchive rootBeanDeploymentArchive = ( RootBeanDeploymentArchive ) beanDeploymentArchive;
                ClassLoader moduleClassLoaderForBDA = rootBeanDeploymentArchive.getModuleClassLoaderForBDA();
                try {
                  Class.forName( callerClassName, false, moduleClassLoaderForBDA );
                  // successful so this is the bda we want.
                  return entry.getValue();
                } catch ( Exception ignore ) {}
              }
            }

            return super.unsatisfiedBeanManager(callerClassName);
        }
    }

    @Override
    public CDI