package org.andromda.taglibs.breadcrumbs;
   
   import javax.servlet.jsp.JspException;
   import javax.servlet.jsp.PageContext;
   import javax.servlet.jsp.tagext.Tag;
   import javax.servlet.jsp.tagext.TagSupport;
   
   /**
    *
   */
  public class ResizeTag extends TagSupport
  {
      private static final long serialVersionUID = 34L;
      private int size = BreadCrumbs.DEFAULT_SIZE;
  
      /**
       * @return String.valueOf(size)
       */
      public String getSize()
      {
          return String.valueOf(size);
      }
  
      /**
       * @param size
       */
      public void setSize(String size)
      {
          this.size = Integer.parseInt(size);
      }
  
      /**
       * @see javax.servlet.jsp.tagext.TagSupport#doStartTag()
       */
      public int doStartTag() throws JspException
      {
          Object breadCrumbsObject = this.pageContext.getAttribute(BreadCrumbs.SESSION_KEY, PageContext.SESSION_SCOPE);
  
          if (breadCrumbsObject == null)
          {
              BreadCrumbs breadCrumbs = new BreadCrumbs(size);
              this.pageContext.setAttribute(BreadCrumbs.SESSION_KEY, breadCrumbs, PageContext.SESSION_SCOPE);
          }
          else if (breadCrumbsObject instanceof BreadCrumbs)
          {
              ((BreadCrumbs) breadCrumbsObject).setMaxSize(size);
          }
  
          return Tag.SKIP_BODY;
      }
  }