authentication.java

一个java工作流引擎

package org.jbpm.web.struts.action;

import javax.servlet.http.*;

public class Authentication {

  public static void setUser( String user, HttpServletRequest request ) {
    request.getSession().setAttribute( "user", user );
  }

	public static String getUser( HttpServletRequest request ) {
    String user = (String) request.getSession().getAttribute( "user" );
    if ( user == null ) {
      throw new SecurityException( "authentication required.  please, authenticate by surfing to index.jsp" ); 
    }
    return user;
	}
  
}