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TSL2 JEE Service Access (Generic Services for Entity Access, JEE File-System-Connector, Generic Featuring, Job-Scheduling, BeanContainer, Batch, Comfortable Bean Query Definitions, JAAS, Authentification, Authorization, )

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/*
 * File: $HeadURL$
 * Id  : $Id$
 * 
 * created by: Thomas Schneider, Thomas Schneider
 * created on: Jun 2, 2010
 * 
 * Copyright: (c) Thomas Schneider 2010, all rights reserved
 */
package de.tsl2.nano.service.feature;

import java.io.Serializable;
import java.security.Principal;

/**
 * application feature principal
 * 
 * @author Thomas Schneider, Thomas Schneider
 * @version $Revision$
 */
public class Feature implements Principal, Serializable {
    /** serialVersionUID */
    private static final long serialVersionUID = -1507906479689581952L;
    /** serialVersionUID */
    String name;

    /**
     * constructor
     * 
     * @param name role name
     */
    public Feature(String name) {
        assert name != null : "name must not be null";
        this.name = name;
    }

    /**
     * {@inheritDoc}
     */
    @Override
    public String getName() {
        return name;
    }

    /**
     * Return a string representation of this Principal.
     * 
     * @return a string representation of this Principal.
     */
    @Override
    public String toString() {
        return ("Feature:  " + name);
    }

    /**
     * Compares the specified Object with this Principal for equality. Returns true if the given object is
     * also a Principal and the two Principals have the same username.
     * 
     * @param o Object to be compared for equality with this Principal.
     * 
     * @return true if the specified Object is equal equal to this Principal.
     */
    @Override
    public boolean equals(Object o) {
        if (o == null) {
            return false;
        }

        if (this == o) {
            return true;
        }

        if (!(o instanceof Feature)) {
            return false;
        }
        final Feature that = (Feature) o;

        if (this.getName().equals(that.getName())) {
            return true;
        }
        return false;
    }

    /**
     * Return a hash code for this Principal.
     * 
     * @return a hash code for this Principal.
     */
    @Override
    public int hashCode() {
        return name.hashCode();
    }
}