gistfile1.java

/**
 * Returns the parent directory of a class being run by a web 
 * container, such as Tomcat. Useful for generating a 
 * value for iReport's SUBREPORT_DIR parameter.
 * 
 *  If using Struts 1.x, call this method this way:
 <code>
 getRealPath(getServlet().getServletContext(), YourClassName.class);
 </code>
 */
private String getRealPath(ServletContext context, Class clazz) {
	StringBuilder path = new StringBuilder(context.getRealPath("WEB-INF"));
	path.append(File.separator).append("classes").append(File.separator);

	final Package clazzPackage = clazz != null ? clazz.getPackage() : null;
	if (clazzPackage != null) {
		for (String component : clazzPackage.getName().split("\\.")) {
			path.append(component).append(File.separator);
		}
	}
	
	return path.toString();
}