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/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 *
 * Copyright (c) 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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package org.glassfish.security.services.impl.authorization;

import org.glassfish.security.services.api.authorization.AzSubject;

import javax.security.auth.Subject;

public final class AzSubjectImpl extends AzAttributesImpl implements AzSubject {

    final private Subject subject;

    /**
     * Constructor
     *
     * @param subject The represented subject
     * @throws IllegalArgumentException Given subject was null
     */
    public AzSubjectImpl( Subject subject )  {
        super(NAME);

        if ( null == subject ) {
            throw new IllegalArgumentException("Illegal null Subject.");
        }
        this.subject = subject;
    }


    /**
     * Determines the {@link javax.security.auth.Subject}
     * represented by this AzSubject.
     * @return The represented Subject.
     */
    @Override
    public final Subject getSubject() {
        return subject;
    }


    @Override
    public String toString() {
        return subject.toString();
    }
}