/*
* JBoss, Home of Professional Open Source
* Copyright 2007, Red Hat Middleware LLC, and individual contributors
* by the @authors tag. See the copyright.txt 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.metadata.annotation.creator.ejb.jboss;
import java.lang.annotation.Annotation;
import java.lang.reflect.AnnotatedElement;
import java.lang.reflect.Method;
import java.util.Collection;
import java.util.HashSet;
import javax.annotation.security.RolesAllowed;
import org.jboss.annotation.javaee.Descriptions;
import org.jboss.metadata.annotation.creator.AbstractFinderUser;
import org.jboss.metadata.annotation.creator.Processor;
import org.jboss.metadata.annotation.creator.ProcessorUtils;
import org.jboss.metadata.annotation.finder.AnnotationFinder;
import org.jboss.metadata.ejb.spec.MethodMetaData;
import org.jboss.metadata.ejb.spec.MethodParametersMetaData;
import org.jboss.metadata.ejb.spec.MethodPermissionMetaData;
import org.jboss.metadata.ejb.spec.MethodPermissionsMetaData;
import org.jboss.metadata.ejb.spec.MethodsMetaData;
/**
* @RolesAllowed processor
*
* @author Scott.Stark@jboss.org
* @version $Revision: 67280 $
*/
public class RolesAllowedProcessor<T extends AnnotatedElement>
extends AbstractFinderUser
implements Processor<MethodPermissionsMetaData, T>
{
public RolesAllowedProcessor(AnnotationFinder<AnnotatedElement> finder)
{
super(finder);
}
public void process(MethodPermissionsMetaData metaData, T type)
{
RolesAllowed allowed = finder.getAnnotation(type, RolesAllowed.class);
if(allowed == null)
return;
Method method = null;
if(type instanceof Method)
method = (Method) type;
String ejbName = EjbNameThreadLocal.ejbName.get();
MethodMetaData mmd = ProcessorUtils.createMethod(ejbName, method);
/*
* JBMETA-152
*
* Check that we haven't already defined permissions for this method
*/
MethodPermissionsMetaData existingPerms = metaData.getMethodPermissionsByEjbName(ejbName);
if (existingPerms != null && !existingPerms.isEmpty())
{
for (MethodPermissionMetaData existingPerm : existingPerms)
{
for (MethodMetaData existingMethod : existingPerm.getMethods())
{
/*
* JBMETA-207 Only allow overrides if this method signature has
* not been overridden, and do so in a way that avoids all NPEs
*/
// If we've got no predefined existing method, move along
if (existingMethod == null)
{
return;
}
// If the preexisting method matches what we have described here,
// then check the rest of the signature
if (existingMethod.getMethodName().equals(mmd.getMethodName()))
{
// If this method's already been added (equal signatures), then don't add it again
final MethodParametersMetaData existingParams = existingMethod.getMethodParams();
if (existingParams == null && mmd.getMethodParams() == null)
{
return;
}
if (existingParams.equals(mmd.getMethodParams()))
{
return;
}
}
}
}
}
MethodPermissionMetaData perm = new MethodPermissionMetaData();
MethodsMetaData methods = perm.getMethods();
if(methods == null)
{
methods = new MethodsMetaData();
perm.setMethods(methods);
}
HashSet<String> roles = new HashSet<String>();
for(String role : allowed.value())
roles.add(role);
perm.setRoles(roles);
Descriptions descriptions = ProcessorUtils.getDescription("@RolesAllowed for: "+type);
mmd.setDescriptions(descriptions);
methods.add(mmd);
metaData.add(perm);
}
public Collection<Class<? extends Annotation>> getAnnotationTypes()
{
return ProcessorUtils.createAnnotationSet(RolesAllowed.class);
}
}