vpnclientavailabilitytag.java

这是linux下ssl vpn的实现程序

/*
 *  SSL-Explorer
 *
 *  Copyright (C) 2003-2006 3SP LTD. All Rights Reserved
 *
 *  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., 675 Mass Ave, Cambridge, MA 02139, USA.
 */
			
package com.sslexplorer.security.tags;

import javax.servlet.jsp.JspException;
import javax.servlet.jsp.tagext.TagSupport;

import com.sslexplorer.core.CoreServlet;
import com.sslexplorer.security.Constants;
import com.sslexplorer.security.VPNSession;

public class VPNClientAvailabilityTag extends TagSupport {

  boolean requiresClient = true;

  public VPNClientAvailabilityTag() {
  }

  public int doStartTag() throws JspException {

    VPNSession session = CoreServlet.getServlet().getLogonController().getPrimaryVPNSession(CoreServlet.getServlet().getLogonController().getVPNSessionsByLogon(

    (String) pageContext.getSession().getAttribute(Constants.LOGON_TICKET)));

    if (session == null) {
      return (requiresClient ? SKIP_BODY : EVAL_BODY_INCLUDE);
    } else {
      return (requiresClient ? EVAL_BODY_INCLUDE : SKIP_BODY);
    }
  }

  public int doEndTag() throws JspException {
    return (EVAL_PAGE);
  }

  public void setRequiresClient(boolean requiresClient) {
    this.requiresClient = requiresClient;
  }

}