permission.java

CRMS客户关系管理系统(JAVA版）,这是一个客户关系管理系统。

    /* CRMS, customer relationship management system
    Copyright (C) 2003  Service To Youth Council

    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation; either version 2 of the License, or
    (at your option) any later version.

    This program 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 General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program; if not, write to the Free Software
    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

    For further information contact the SYC ICT department on [e-mail]
    98 Kermode Street
    North Adelaide
    South Australia
    SA 5006 
    [phone]
    */
/*
 * Permission.java
 *
 * Created on 15 May 2003, 11:18
 */

package crms.vo;

import crms.util.*;
import java.util.*;

/**
 *
 * @author  dmurphy
 */
public class Permission {
    
    public static final int READ_PERMISSION = 0;
    public static final int WRITE_PERMISSION = 1;
    public static final int DELETE_PERMISSION = 2;
    public static final int SECURITY_PERMISSION = 3;
    
    public static String[] NAMES = { "Read", "Write", "Delete", "Security" };
    
    private int entityID = -1;
    private EntityType entityType = null;
    private String id = null;
    private String location = null;
    private String division = null;
	private int power = 0;
    private PermissionType permissionType = null;
    private Object reference = null;
    
    public boolean[] permissions = { false, false, false, false };
    
    /** Creates a new instance of Permission */
    public Permission() {
    }
    
    public void setEntityID(int entityID) {
        this.entityID = entityID;   
    }
    
    public int getEntityID() {
        return entityID;   
    }

    public void setLocation(String new_location) {
		location = new_location;
    }
    public String getLocation() {
        return location;   
    }
    
    public void setDivision(String new_division) {
		division = new_division;
    }
    public String getDivision() {
        return division;   
    }
    
    public void setEntityType(EntityType type) {
        this.entityType = type;   
    }
    
    public EntityType getEntityType() {
        return entityType;   
    }
    
    public void setID(String id) {
        this.id = id;
    }
    
    public String getID(){
        return id;   
    }

	public void setPower(int power) {
		this.power = power;
	}
	public int getPower() {
		return power;
	}    

    public void setPermissionType(PermissionType type) {
        this.permissionType = type;   
    }
    
    public PermissionType getPermissionType() {
        return permissionType;   
    }
    
    public void setPermission(int permission, boolean set) {
        permissions[permission] = set;
    }
    
    public boolean hasPermission(int permission) {
        return permissions[permission];
    }
    
    public boolean hasAnyPermission() {
        for (int i=0; i < 2; i++) {
            if (permissions[i]) {
             return true;   
            }
        }
        return false;
    }
    
    public boolean canRead() {
        return permissions[READ_PERMISSION] ||
            permissions[WRITE_PERMISSION] ||
            permissions[DELETE_PERMISSION];   
    }

    public boolean canWrite() {
        return permissions[WRITE_PERMISSION] ||
            permissions[DELETE_PERMISSION];   
    }
    
    public boolean canDelete() {
    	return permissions[DELETE_PERMISSION];   
    }
    public boolean canSecurity() {
    	return permissions[SECURITY_PERMISSION];   
    }
    
    public void setPermissions( boolean[] perms) {
        permissions = perms;   
    }
    
    public boolean[] getPermissions() {
     return permissions;   
    }
    
    /**
     * Sets the "reference" on this permission, eg: a StaffMember
     * object if the permission is a user permission, or a Group object
     * if a group permission.
     */
    
    public void setReference(Object ref) {
        this.reference = ref;    
    }
    
    public Object getReference() {
        return reference;
    }
    
    public String toString() {
        StringBuffer buf =  new StringBuffer();
        buf.append("EntityID: " + getEntityID());
        buf.append(" EntityType: " + getEntityType());
        buf.append(" ID: " + getID());
        buf.append(" Power: " + getPower());
        buf.append(" Division: " + getDivision());
        buf.append(" Location: " + getLocation());
        buf.append(" PermissionType: " + getPermissionType());
        buf.append(" Rights: " );
        for (int i=0; i < permissions.length; i++) {
            boolean auth = hasPermission(i);   
            if (auth) {
                buf.append( " " + NAMES[i]);
            }
        }
        
        return buf.toString();
    }
    
    public static Comparator HIGHEST_PERMISSION_ORDER = new Comparator() {
        public int compare(Object o1, Object o2) {
            Permission p1 = (Permission) o1;
            Permission p2 = (Permission) o2;

			int p1w = 0;
			if (p1.getID() != null) p1w = 4;
			else if (p1.getDivision() != null && p1.getLocation() != null) p1w = 3;
			else if (p1.getDivision() != null) p1w = 2;
			else p1w = 1;

			int p2w = 0;
			if (p2.getID() != null) p2w = 4;
			else if (p2.getDivision() != null && p2.getLocation() != null) p2w = 3;
			else if (p2.getDivision() != null) p2w = 2;
			else p2w = 1;

			p2w += p2.getPower();
			p1w += p1.getPower();
            
            return p2w - p1w;
        }
    };
}