/*
* Copyright (C) 2014 Red Hat, Inc. and/or its affiliates.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.jboss.errai.security.server;
import java.util.HashMap;
import java.util.Map;
import javax.enterprise.context.Dependent;
import javax.enterprise.context.spi.CreationalContext;
import javax.enterprise.inject.spi.Bean;
import javax.enterprise.inject.spi.BeanManager;
import javax.inject.Inject;
import org.jboss.errai.security.shared.api.RequiredRolesProvider;
import org.jboss.errai.security.shared.roles.SharedRequiredRolesExtractorImpl;
/**
* Implements server-specific code for creating and destroying {@link RequiredRolesProvider} instances.
*
* @author Max Barkley <mbarkley@redhat.com>
*/
@Dependent
public class ServerRequiredRolesExtractorImpl extends SharedRequiredRolesExtractorImpl {
@Inject
private BeanManager beanManager;
private final Map<RequiredRolesProvider, BeanDef> dependentProviders = new HashMap<RequiredRolesProvider, BeanDef>();
@Override
@SuppressWarnings("unchecked")
protected RequiredRolesProvider getProviderInstance(final Class<? extends RequiredRolesProvider> providerType) {
final Bean<?> resolvedBean = beanManager.resolve(beanManager.getBeans(providerType));
final CreationalContext<?> creationalContext = beanManager.createCreationalContext(resolvedBean);
RequiredRolesProvider provider = (RequiredRolesProvider) beanManager.getReference(resolvedBean, providerType,
creationalContext);
if (resolvedBean.getScope().equals(Dependent.class)) {
dependentProviders.put(provider, new BeanDef((Bean<RequiredRolesProvider>) resolvedBean,
(CreationalContext<RequiredRolesProvider>) creationalContext));
}
return provider;
}
@Override
protected void destroyProviderInstance(final RequiredRolesProvider instance) {
if (dependentProviders.containsKey(instance)) {
final BeanDef beanDef = dependentProviders.remove(instance);
beanDef.bean.destroy(instance, beanDef.creationalContext);
}
}
private static class BeanDef {
final Bean<RequiredRolesProvider> bean;
final CreationalContext<RequiredRolesProvider> creationalContext;
BeanDef(final Bean<RequiredRolesProvider> bean, final CreationalContext<RequiredRolesProvider> creationalContext) {
this.bean = bean;
this.creationalContext = creationalContext;
}
}
}