/**
*
* Copyright 2003-2004 The Apache Software Foundation
*
* 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.apache.geronimo.security.jaas;
import java.io.Externalizable;
import java.io.Serializable;
import java.rmi.Remote;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Iterator;
import java.util.Map;
import java.util.Set;
import javax.security.auth.Subject;
import org.apache.geronimo.security.jaas.server.JaasLoginModuleConfiguration;
/**
* Helper class the computes the login result across a number of separate
* login modules.
*
* @version $Rev: 355877 $ $Date: 2005-12-10 21:48:27 -0500 (Sat, 10 Dec 2005) $
*/
public class LoginUtils {
public static void copyPrincipals(Subject to, Subject from) {
to.getPrincipals().addAll(from.getPrincipals());
}
public static Map getSerializableCopy(Map from) {
Map to = new HashMap();
for (Iterator it = from.keySet().iterator(); it.hasNext();) {
String key = (String) it.next();
Object value = from.get(key);
if (value instanceof Serializable || value instanceof Externalizable || value instanceof Remote) {
to.put(key, value);
}
}
return to;
}
public static Set getSerializableCopy(Set from) {
Set to = new HashSet();
for (Iterator it = from.iterator(); it.hasNext();) {
Object value = it.next();
if (value instanceof Serializable || value instanceof Externalizable || value instanceof Remote) {
to.add(value);
}
}
return to;
}
/**
* Strips out stuff that isn't serializable so this can be safely passed to
* a remote server.
*/
public static JaasLoginModuleConfiguration getSerializableCopy(JaasLoginModuleConfiguration config) {
return new JaasLoginModuleConfiguration(config.getLoginModuleClassName(),
config.getFlag(),
LoginUtils.getSerializableCopy(config.getOptions()),
config.isServerSide(),
config.getLoginDomainName(),
config.isWrapPrincipals(),
null);
}
}