SAML2HandlerChainFactory.java

/*
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 * 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.picketlink.identity.federation.core.saml.v2.factories;

import org.picketlink.identity.federation.PicketLinkLogger;
import org.picketlink.identity.federation.PicketLinkLoggerFactory;
import org.picketlink.identity.federation.core.exceptions.ProcessingException;
import org.picketlink.identity.federation.core.saml.v2.impl.DefaultSAML2HandlerChain;
import org.picketlink.identity.federation.core.saml.v2.interfaces.SAML2HandlerChain;

/**
 * Creates {@code SAML2HandlerChain}
 *
 * @author Anil.Saldhana@redhat.com
 * @since Nov 6, 2009
 */
public class SAML2HandlerChainFactory {
    
    private static final PicketLinkLogger logger = PicketLinkLoggerFactory.getLogger();
    
    public static SAML2HandlerChain createChain() {
        return new DefaultSAML2HandlerChain();
    }

    public static SAML2HandlerChain createChain(String fqn) throws ProcessingException {
        if (fqn == null)
            throw logger.nullArgumentError("fqn");

        Class<?> clazz = SecurityActions.loadClass(SAML2HandlerChainFactory.class, fqn);
        if (clazz == null)
            throw logger.classNotLoadedError(fqn);

        try {
            return (SAML2HandlerChain) clazz.newInstance();
        } catch (Exception e) {
            throw logger.couldNotCreateInstance(fqn, e);
        }
    }
}