EDIT

/**

 * Copyright (C) 2007 EDIT

 * European Distributed Institute of Taxonomy

 * http://www.e-taxonomy.eu

 *

 * The contents of this file are subject to the Mozilla Public License Version 1.1

 * See LICENSE.TXT at the top of this package for the full license terms.

 */

package eu.etaxonomy.cdm.model.common;

import javax.persistence.Entity;

import javax.xml.bind.annotation.XmlAccessType;

import javax.xml.bind.annotation.XmlAccessorType;

import javax.xml.bind.annotation.XmlElement;

import javax.xml.bind.annotation.XmlRootElement;

import javax.xml.bind.annotation.XmlType;

import org.apache.log4j.Logger;

import org.hibernate.annotations.NaturalId;

import org.springframework.security.core.GrantedAuthority;

@XmlAccessorType(XmlAccessType.FIELD)

@XmlType(name = "GrantedAuthority", propOrder = { "authority" })

@XmlRootElement(name = "Group")

@Entity

public class GrantedAuthorityImpl extends CdmBase implements GrantedAuthority {

    private static final long serialVersionUID = 2651969425860655040L;

    private static final Logger logger = Logger

            .getLogger(GrantedAuthority.class);

    @XmlElement(name = "Authority")

    @NaturalId

    private String authority;

    protected GrantedAuthorityImpl() {

        super();

    }

    public static GrantedAuthorityImpl NewInstance() {

        return new GrantedAuthorityImpl();

    }

    /* (non-Javadoc)

     * @see org.springframework.security.core.GrantedAuthority#getAuthority()

     */

    @Override

    public String getAuthority() {

        return authority;

    }

    public void setAuthority(String authority) {

        this.authority = authority;

    }

    /**

     * @param o

     * @return

     */

    public int compareTo(Object o) {

        if (o instanceof GrantedAuthority) {

            return this.authority.compareTo(((GrantedAuthority) o)

                    .getAuthority());

        }

        return 0;

    }

    @Override

    public boolean equals(Object o) {

        if (o instanceof GrantedAuthority) {

        	if(this.authority == null && ((GrantedAuthority) o).getAuthority() == null) {

        		return true;

        	} else {

        		return this.authority.equals(((GrantedAuthority) o).getAuthority());

        	}

        }

        return false;

    }

    /* (non-Javadoc)

     * @see eu.etaxonomy.cdm.model.common.CdmBase#toString()

     */

    @Override

    public String toString() {

        return getAuthority();

    }

    // *********** CLONE **********************************/

    /**

     * Clones <i>this</i> Granted Authority. This is a shortcut that enables to

     * create a new instance that differs only slightly from <i>this</i> Granted

     * Authority by modifying only some of the attributes.<BR>

     *

     *

     *

     * @see eu.etaxonomy.cdm.model.common.CdmBase#clone()

     * @see java.lang.Object#clone()

     */

    @Override

    public Object clone() {

        GrantedAuthority result;

        try {

            result = (GrantedAuthority) super.clone();

            // no changes to authority

            return result;

        } catch (CloneNotSupportedException e) {

            logger.warn("Object does not implement cloneable");

            e.printStackTrace();

            return null;

        }

    }

}