/*
* JBoss, Home of Professional Open Source.
* Copyright 2008, Red Hat Middleware LLC, 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.security.acl.config;
import java.io.InputStream;
import org.jboss.logging.Logger;
import org.jboss.xb.binding.JBossXBException;
import org.jboss.xb.binding.Unmarshaller;
import org.jboss.xb.binding.UnmarshallerFactory;
import org.jboss.xb.binding.sunday.unmarshalling.SchemaBinding;
import org.jboss.xb.binding.sunday.unmarshalling.XsdBinder;
/**
* <p>
* Factory for {@code ACLConfiguration} objects.
* </p>
*
* @author <a href="mailto:sguilhen@redhat.com">Stefan Guilhen</a>
*/
public class ACLConfigurationFactory
{
private static final String schemaName = "schema/jboss-acl-config_1_0.xsd";
private static Logger log = Logger.getLogger(ACLConfigurationFactory.class);
/**
* <p>
* Creates and return an {@code ACLConfiguration} object using the specified input stream to read the ACL
* configuration file.
* </p>
*
* @param aclConfigFileStream an {@code InputStream} that reads the contents of the ACL configuration file.
* @return the constructed {@code ACLConfiguration} object that contains the configured ACLs.
*/
public static ACLConfiguration getConfiguration(InputStream aclConfigFileStream)
{
ClassLoader tcl = Thread.currentThread().getContextClassLoader();
SchemaBinding schema = XsdBinder.bind(tcl.getResourceAsStream(schemaName), null);
Unmarshaller unmarshaller = UnmarshallerFactory.newInstance().newUnmarshaller();
try
{
ACLConfiguration configuration = (ACLConfiguration) unmarshaller.unmarshal(aclConfigFileStream, schema);
return configuration;
}
catch (JBossXBException e)
{
log.debug("Error parsing ACL configuration file", e);
throw new RuntimeException(e);
}
}
}