/*
    * This software was designed and created by Jason Carroll.
    * Copyright (c) 2002, 2003, 2004 Jason Carroll.
    * The author can be reached at jcarroll@cowsultants.com
    * ITracker website: http://www.cowsultants.com
    * ITracker forums: http://www.cowsultants.com/phpBB/index.php
    *
    * This program is free software; you can redistribute it and/or modify
    * it only 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.
   */
  
  package org.itracker.web.taglib;
  
  import org.apache.struts.Globals;
  import org.apache.struts.action.ActionErrors;
  import org.apache.struts.action.ActionMessage;
  import org.apache.struts.action.ActionMessages;
  
  import javax.servlet.http.HttpServletRequest;
  import javax.servlet.jsp.JspException;
  import javax.servlet.jsp.tagext.TagSupport;
  
  /**
   * @deprecated errors should be handled by Action classes, not JSPs!
   */
  @Deprecated
  public final class AddErrorTag extends TagSupport {
      /**
       *
       */
      private static final long serialVersionUID = 1L;
      private String name = Globals.ERROR_KEY;
      private String key;
  
      public String getName() {
          return name;
      }
  
      public void setName(String value) {
          name = value;
      }
  
      public String getKey() {
          return key;
      }
  
      public void setKey(String value) {
          key = value;
      }
  
      public int doStartTag() throws JspException {
          return (SKIP_BODY);
      }
  
      public int doEndTag() throws JspException {
          ActionErrors errors = null;
          HttpServletRequest request = (HttpServletRequest) pageContext.getRequest();
  
          if (request == null || getKey() == null) {
              return EVAL_PAGE;
          }
  
          try {
              errors = (ActionErrors) request.getAttribute(getName());
          } catch (ClassCastException cce) {
          }
  
          if (errors == null) {
              errors = new ActionErrors();
          }
  
          errors.add(ActionMessages.GLOBAL_MESSAGE, new ActionMessage(getKey()));
          request.setAttribute(getName(), errors);
          clearState();
          return EVAL_PAGE;
      }
  
      public void release() {
          super.release();
          clearState();
      }
  
      private void clearState() {
          name = Globals.ERROR_KEY;
          key = null;
      }
  }