SampleTag.java 文件源码

/**
 * Does two things:
 * <ul>
 *      <li>Stops the page if the corresponding attribute has been set</li>
 *      <li>Prints a message another tag encloses this one.</li>
 * </ul>
 */
public int doEndTag() throws JspTagException
{
    //get the parent if any
    Tag parent = this.getParent();

    if (parent != null) {
        try {
            JspWriter out = this.pageContext.getOut();
            out.println("This tag has a parent. <BR>");

        } catch (IOException e) {
            throw new JspTagException(e.getMessage());
        }
    }

    if (this.stopPage) {

        return Tag.SKIP_PAGE;
    }

    return Tag.EVAL_PAGE;
}