CacheTag.java 文件源码

/**
 * After the cache body, either update the cache, serve new cached content
 * or indicate an error.
 * 
 * @return The standard BodyTag return.
 * @throws JspTagException
 *             The standard exception thrown.
 */
@Override
public int doAfterBody() throws JspTagException {
    String body = null;
    try {
        // if we have a body, and we have not been told to use the cached
        // version
        if ((bodyContent != null) && ((body = bodyContent.getString()) != null)) {
            Cache cache = legendCacheManager.getCache(cacheName);
            cache.put(generateKey(), body);
            bodyContent.clearBody();
            bodyContent.write(body);
            bodyContent.writeOut(bodyContent.getEnclosingWriter());
        }
    } catch (java.io.IOException e) {
        throw new JspTagException("IO Error: " + e.getMessage());
    }

    return SKIP_BODY;
}