PortraitTag.java 文件源码

@Override
   public int doEndTag() throws JspException {

String serverURL = Configuration.get(ConfigurationKeys.SERVER_URL);
serverURL = serverURL == null ? null : serverURL.trim();

try {
    if (userId != null && userId.length() > 0) {
    String code = null;
    HashMap<String, String> cache = getPortraitCache();
    code = cache.get(userId);

    if (code == null) {
        Integer userIdInt = Integer.decode(userId);
        User user = (User) getUserManagementService().findById(User.class, userIdInt);
        boolean isHover = (hover != null ? Boolean.valueOf(hover) : false);
        if ( isHover ) {
        code = buildHoverUrl(user);
        } else {
        code = buildDivUrl(user);
        }
        cache.put(userId, code);
    }

    JspWriter writer = pageContext.getOut();
    writer.print(code);
    }

} catch (NumberFormatException nfe) {
    PortraitTag.log.error("PortraitId unable to write out portrait details as userId is invalid. " + userId,
        nfe);
} catch (IOException ioe) {
    PortraitTag.log.error(
        "PortraitId unable to write out portrait details due to IOException. UserId is " + userId, ioe);
} catch (Exception e) {
    PortraitTag.log.error(
        "PortraitId unable to write out portrait details due to an exception. UserId is " + userId, e);
}
return Tag.SKIP_BODY;
   }