genericprincipal.java

java 写的一个新闻发布系统

//
//                                   ____.
//                       __/\ ______|    |__/\.     _______
//            __   .____|    |       \   |    +----+       \
//    _______|  /--|    |    |    -   \  _    |    :    -   \_________
//   \\______: :---|    :    :           |    :    |         \________>
//           |__\---\_____________:______:    :____|____:_____\
//                                      /_____|
//
//                 . . . i n   j a h i a   w e   t r u s t . . .
//
//
// NK 12.04.2001 - Added to support Multi Site and Servlet API


package org.jahia.services.usermanager;


import java.security.Principal;

/**
 * The minimal implementation of a Principal
 * Used in Servlet Request Wrapper getUserPrincipal().
 * It's a wrapper around a JahiaUser but its getName() return the login username, 
 * not the jahia user internal key.
 *
 * @author  NK
 */
public class GenericPrincipal implements Principal {

	private JahiaUser mUser;
		
	private GenericPrincipal(){};
	
					            
    
    public GenericPrincipal( JahiaUser user ){
		mUser = user;
    }


    public String getName () {
    	if ( mUser == null ){
    		return "";
    	}
     	return mUser.getUsername();
    }
    			
    public boolean equals (Object another){
    	if ( mUser == null ){
    		return false;
    	}
    	
    	if (another instanceof Principal) {
        	if (another != null) {
        		return (mUser.getName().equals (((Principal)another).getName()));
        	}
        }
   		return false;
   	}

    public int hashCode () {
    	if ( mUser == null ){
    		return -1;
    	}
    	return mUser.hashCode();
    }

    			
    public String toString ()
    {
    	if ( mUser == null ){
    		return "";
    	}

    	StringBuffer output = new StringBuffer ("Detail of user ["+mUser.getUsername()+"]\n");
    	output.append ("  - ID ["+Integer.toString (mUser.hashCode())+"]");
		return output.toString();
    }

}