NestedRootTag.java 文件源码

/**
 * Overriding method of the heart of the tag. Gets the relative property
 * and tells the JSP engine to evaluate its body content.
 *
 * @return int JSP continuation directive.
 */
public int doStartTag() throws JspException {
  /* set the nested reference for possible inclusions etc */
  HttpServletRequest request = (HttpServletRequest)pageContext.getRequest();

  // get al the originals
  originalName = name;
  originalNesting = NestedPropertyHelper.getCurrentProperty(request);
  originalNestingName = NestedPropertyHelper.getCurrentName(request, this);

  // set what we have to
  if (name != null) {
    NestedPropertyHelper.setProperty(request, "");
    NestedPropertyHelper.setName(request, this.name);
  }

  // do the JSP thing
  return (EVAL_BODY_TAG);
}