ValuesTag.java 文件源码

@Override
public int doEndTag() throws JspException {
    JspWriter out = pageContext.getOut();

    try {
        if (!"-1".equals(objectValue)) {
            out.print(objectValue);
        } else if (!"-1".equals(stringValue)) {
            out.print(stringValue);
        } else if (longValue != -1) {
            out.print(longValue);
        } else if (doubleValue != -1) {
            out.print(doubleValue);
        } else {
            out.print("-1");
        }
    } catch (IOException ex) {
        throw new JspTagException("IOException: " + ex.toString(), ex);
    }
    return super.doEndTag();
}