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 java.util.HashSet;

import java.util.Set;

import java.util.UUID;

import javax.persistence.Column;

import javax.persistence.Entity;

import javax.persistence.FetchType;

import javax.persistence.ManyToMany;

import javax.persistence.Table;

import javax.validation.constraints.NotNull;

import javax.xml.bind.annotation.XmlAccessType;

import javax.xml.bind.annotation.XmlAccessorType;

import javax.xml.bind.annotation.XmlElement;

import javax.xml.bind.annotation.XmlElementWrapper;

import javax.xml.bind.annotation.XmlIDREF;

import javax.xml.bind.annotation.XmlRootElement;

import javax.xml.bind.annotation.XmlSchemaType;

import javax.xml.bind.annotation.XmlType;

import org.apache.log4j.Logger;

import org.hibernate.annotations.Cascade;

import org.hibernate.annotations.CascadeType;

import org.hibernate.search.annotations.Field;

import org.springframework.security.core.GrantedAuthority;

@XmlAccessorType(XmlAccessType.FIELD)

@XmlType(name = "Group", propOrder = {

    "name",

    "members",

    "grantedAuthorities"

})

@XmlRootElement(name = "Group")

@Entity

//@Indexed disabled to reduce clutter in indexes, since this type is not used by any search

//@Indexed(index = "eu.etaxonomy.cdm.model.common.Group")

@Table(name = "PermissionGroup")

public class Group extends CdmBase {

    private static final long serialVersionUID = 7216686200093054648L;

    private static final Logger logger = Logger.getLogger(Group.class);

    public final static UUID GROUP_EDITOR_UUID = UUID.fromString("22e5e8af-b99c-4884-a92f-71978efd3770");

    public final static UUID GROUP_PROJECT_MANAGER_UUID = UUID.fromString("645191ae-32a4-4d4e-9b86-c90e0d41944a");

    public final static UUID GROUP_PUBLISHER_UUID = UUID.fromString("c1f20ad8-1782-40a7-b06b-ce4773acb5ea");

    public final static UUID GROUP_ADMIN_UUID = UUID.fromString("1739df71-bf73-4dc6-8320-aaaf72cb555f");

//*********************** FACTORY *********************/

    public static Group NewInstance(){

        return new Group();

    }

    public static Group NewInstance(String name){

        Group group = Group.NewInstance();

        group.setName(name);

        return group;

    }

//**************** FIELDS ******************************/

    @XmlElement(name = "Name")

    @Column(unique = true)

    @Field

    @NotNull

    protected String name;

    @XmlElementWrapper(name = "Members")

    @XmlElement(name = "Member")

    @XmlIDREF

    @XmlSchemaType(name = "IDREF")

    @ManyToMany(fetch = FetchType.LAZY, mappedBy = "groups")

    @Cascade({CascadeType.REFRESH, CascadeType.MERGE}) // see #2414 (Group updating doesn't work)

    protected Set<User> members = new HashSet<User>();

    @XmlElementWrapper(name = "GrantedAuthorities")

    @XmlElement(name = "GrantedAuthority", type = GrantedAuthorityImpl.class)

    @XmlIDREF

    @XmlSchemaType(name = "IDREF")

    @ManyToMany(fetch = FetchType.LAZY, targetEntity = GrantedAuthorityImpl.class)

    @Cascade({CascadeType.SAVE_UPDATE,CascadeType.MERGE})

    protected Set <GrantedAuthority> grantedAuthorities = new HashSet<GrantedAuthority>();

// ********************* CONSTRUCTOR ************************/

    protected Group(){

        super();

    }

// *************** METHODS ***********************************/

    public Set<GrantedAuthority> getGrantedAuthorities() {

        return grantedAuthorities;

    }

    public boolean addGrantedAuthority(GrantedAuthority grantedAuthority){

        return grantedAuthorities.add(grantedAuthority);

    }

    public boolean removeGrantedAuthority(GrantedAuthority grantedAuthority){

        return grantedAuthorities.remove(grantedAuthority);

    }

    public void setName(String name) {

        this.name = name;

    }

    public String getName() {

        return name;

    }

    public Set<User> getMembers() {

        return members;

    }

    public boolean addMember(User user) {

        user.getGroups().add(this);

        return this.members.add(user);

    }

    public boolean removeMember(User user) {

        if(members.contains(user)) {

            user.getGroups().remove(this);

            return this.members.remove(user);

        } else {

            return false;

        }

    }

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

    /**

     * Clones <i>this</i> Group. This is a shortcut that enables to create

     * a new instance that differs only slightly from <i>this</i> group by

     * modifying only some of the attributes.

     *

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

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

     */

    @Override

    public Object clone() {

        Group result;

        try{

            result = (Group)super.clone();

            result.grantedAuthorities = new HashSet<GrantedAuthority>();

            for (GrantedAuthority grantedauthority: this.grantedAuthorities){

                result.addGrantedAuthority(grantedauthority);

            }

            result.members = new HashSet<User>();

            for (User member: this.members){

                result.addMember(member);

            }

            //no changes to name

            return result;

        } catch (CloneNotSupportedException e) {

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

            e.printStackTrace();

            return null;

        }

    }

}