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/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 *
 * Copyright (c) 1997-2012 Oracle and/or its affiliates. All rights reserved.
 *
 * The contents of this file are subject to the terms of either the GNU
 * General Public License Version 2 only ("GPL") or the Common Development
 * and Distribution License("CDDL") (collectively, the "License").  You
 * may not use this file except in compliance with the License.  You can
 * obtain a copy of the License at
 * https://glassfish.dev.java.net/public/CDDL+GPL_1_1.html
 * or packager/legal/LICENSE.txt.  See the License for the specific
 * language governing permissions and limitations under the License.
 *
 * When distributing the software, include this License Header Notice in each
 * file and include the License file at packager/legal/LICENSE.txt.
 *
 * GPL Classpath Exception:
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 * exception as provided by Oracle in the GPL Version 2 section of the License
 * file that accompanied this code.
 *
 * Modifications:
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 * enclosed by brackets [] replaced by your own identifying information:
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 * Version 2] license."  If you don't indicate a single choice of license, a
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 */
// Portions Copyright [2019] [Payara Foundation and/or its affiliates]
package com.sun.enterprise.deployment.runtime.common;

import java.security.Principal;

import org.glassfish.deployment.common.Descriptor;

/**
 * This is an in memory representation of the principal-name with its name of the implementation class.
 * 
 * @author deployment dev team
 */
public class PrincipalNameDescriptor extends Descriptor {

    private static final long serialVersionUID = 884693766288296132L;
    private static final String DEFAULT_CLASSNAME = "org.glassfish.security.common.PrincipalImpl";
    
    private String principalName;
    private String className;
    private transient ClassLoader classLoader;

    public String getName() {
        return principalName;
    }

    public String getClassName() {
        if (className == null) {
            return DEFAULT_CLASSNAME;
        }
        
        return className;
    }

    public void setName(String name) {
        principalName = name;
    }

    public void setClassName(String name) {
        className = name;
    }

    public void setClassLoader(ClassLoader c) {
        classLoader = c;
    }

    public Principal getPrincipal() {
        try {
            if (classLoader == null) {
                classLoader = Thread.currentThread().getContextClassLoader();
            }
            
            return (Principal) 
                Class.forName(getClassName(), true, classLoader)
                     .getConstructor(new Class[] { String.class })
                     .newInstance(new Object[] { principalName });
            
        } catch (Exception ex) {
            throw new RuntimeException(ex);
        }
    }

    public String toString() {
        return "principal-name " + principalName + "; className " + getClassName();
    }
}