Java Security getPublicCredential(Class type, Subject subject)

Description

Get the public credential of the given type.

License

Open Source License

Return

the public credential of the given type, or null if none was found

Declaration

public static <C> C getPublicCredential(Class<C> type, Subject subject) 

Method Source Code

//package com.java2s;
/*//from  w  ww .  j  a v a 2s  . co m
 * JBoss, Home of Professional Open Source.
 * Copyright 2013, Red Hat, Inc., 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.
 */

import javax.security.auth.Subject;

public class Main {
    /**
     * Get the public credential of the given type.  If multiple credentials of the given type exist, only
     * the first is returned.
     *
     * @return the public credential of the given type, or {@code null} if none was found
     */
    public static <C> C getPublicCredential(Class<C> type, Subject subject) {
        for (Object cred : subject.getPublicCredentials()) {
            if (type.isInstance(cred)) {
                return type.cast(cred);
            }
        }
        return null;
    }
}

Related

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2. get(Configuration configuration, String section, String key)
3. getCommonName(String name)
4. getDirectiveValue( HashMap directivesMap, String directive, boolean mandatory)
5. getEntries(Configuration configuration, String section)
6. getRefreshTime(KerberosTicket ticket)
7. getSaslProps()
8. getServerPrivateKey(Subject subject, int keyType)
9. getSubject()