/*
 * Copyright (C) 2005-2010 Alfresco Software Limited.
 *
 * This file is part of Alfresco
 *
 * Alfresco is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * Alfresco is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with Alfresco. If not, see <http://www.gnu.org/licenses/>.
 */
package org.alfresco.repo.security.permissions;

import org.alfresco.service.cmr.security.AccessStatus;
import org.alfresco.service.cmr.security.AuthorityType;

/**
 * A basic access control entry 
 * 
 * @author andyh
 *
 */
public class SimpleAccessControlEntry implements AccessControlEntry
{
    /**
     * 
     */
    private static final long serialVersionUID = -3099789485179796034L;

    private AccessStatus accessStatus;
    
    private ACEType aceType;
    
    private String authority;
    
    private AuthorityType authorityType;
    
    private AccessControlEntryContext context;
    
    private PermissionReference permission;
    
    private Integer position;
    
    public AccessStatus getAccessStatus()
    {
        return accessStatus;
    }

    public ACEType getAceType()
    {
       return aceType;
    }

    public String getAuthority()
    {
        return authority;
    }
    
    public AuthorityType getAuthorityType()
    {
        return authorityType;
    }

    public AccessControlEntryContext getContext()
    {
       return context;
    }

    public PermissionReference getPermission()
    {
        return permission;
    }

    public Integer getPosition()
    {
        return position;
    }

    /**
     * Set the status
     * @param accessStatus
     */
    public void setAccessStatus(AccessStatus accessStatus)
    {
        this.accessStatus = accessStatus;
    }

    
    /**
     * Set the type
     * @param aceType
     */
    public void setAceType(ACEType aceType)
    {
        this.aceType = aceType;
    }

    /**
     * Set the authority
     * @param authority
     */
    public void setAuthority(String authority)
    {
        this.authority = authority;
        this.authorityType = AuthorityType.getAuthorityType(authority);
    }

    /**
     * Set the context
     * @param context
     */
    public void setContext(AccessControlEntryContext context)
    {
        this.context = context;
    }

    /**
     * Set the permission
     * @param permission
     */
    public void setPermission(PermissionReference permission)
    {
        this.permission = permission;
    }

    /** 
     * Set the position
     * @param position
     */
    public void setPosition(Integer position)
    {
        this.position = position;
    }

    public int compareTo(AccessControlEntry other)
    {
        int diff = this.getPosition() - other.getPosition();
        if(diff == 0)
        {
            diff = (this.getAccessStatus()== AccessStatus.DENIED ? 0 : 1) - (other.getAccessStatus()== AccessStatus.DENIED ? 0 : 1); 
            if(diff == 0)
            {
                return getAuthorityType().getOrderPosition()  -   other.getAuthorityType().getOrderPosition();
            }
            else
            {
                return diff;
            }
        }
        else
        {
            return diff;
        }
    }

    @Override
    public String toString()
    {
       StringBuilder builder = new StringBuilder();
       builder.append("[");
       builder.append(getPermission()).append(", ");
       builder.append(getAuthority()).append(", ");
       builder.append(getAccessStatus()).append(", ");
       builder.append(getAceType()).append(", ");
       builder.append(getPosition()).append(", ");
       builder.append(getContext());
       builder.append("]");
       return builder.toString();
    }

    
}