JspContext jspContext = getJspContext();
//this method assumes that attribute properties have been set.
try {
int h = new Integer(heading).intValue();
if(! (h > 0 && h < 7))
throw new JspException("The 'heading' attribute value must between 1 and 6 inclusive.");
} catch (Exception e) { throw new JspException(e.getMessage()); }
JspWriter out = jspContext.getOut();
String imgDir = (String) jspContext.findAttribute("imgDir");
if (imgDir == null || "".equals(imgDir))
throw new JspException(
"No attribute provided specifying the application's image directory.");
out.println(new StringBuffer("<img src=\"").append(imgDir).append(image).append("\" width=\"").append(width).append("\" height=\"").append(height).append("\" align=\"left\">").append("<H").append(heading).append(">").toString());
getJspBody().invoke(null);
out.println(new StringBuffer("</H").append(heading).append(">").toString());
