)
{
try {
- CacheMethodHandle controller = CacheControl.tl.get();
+ CacheMethodHandle handle = CacheControl.tl.get();
/** Doppelte Ausführung verhindern... */
- if (controller == null) {
+ if (handle == null) {
/** Dekoration wurde bereits durchgeführt! */
return true;
}
* http://www.w3.org/Protocols/rfc2616/rfc2616-sec14.html#sec14.18 RFC 2616,
* Abschnitt 14.18} einen Date-Header enthalten
*/
- response.setDateHeader(Headers.HEADER_DATE, controller.getTimestamp());
+ response.setDateHeader(Headers.HEADER_DATE, handle.getTimestamp());
/** Besondere Maßnahmen für besondere HTTP-Status-Codes ?!? */
- int status = controller.accepts(request);
+ int status = handle.accepts(request);
switch (status) {
case HttpServletResponse.SC_OK: // 200
case HttpServletResponse.SC_NO_CONTENT: // 204
return false;
}
- Map<String,String> headers = controller.getAdditionalHeaders(request);
+ Map<String,String> headers = handle.getAdditionalHeaders(request);
for (String name : headers.keySet())
response.addHeader(name, headers.get(name));
}
}
- int cacheSeconds = controller.getCacheSeconds(request);
+ int cacheSeconds = handle.getCacheSeconds(request);
if (cacheSeconds < 1) {
log.debug("{}: caching disabled!", url);
- response.setDateHeader(Headers.HEADER_DATE, controller.getTimestamp());
+ response.setDateHeader(Headers.HEADER_DATE, handle.getTimestamp());
response.setDateHeader(Headers.HEADER_EXPIRES, 0);
response.addHeader(Headers.HEADER_PRAGMA, "no-cache");
response.addHeader(Headers.HEADER_CACHE_CONTROL, "private");
log.error("Exception while fetching If-Modified-Since: {}", e);
}
- long lastModified = controller.getLastModified(request);
+ long lastModified = handle.getLastModified(request);
/**
* Sicherstellen, dass der Wert keine Millisekunden enthält, da die
lastModified = lastModified - (lastModified % 1000);
String ifNoneMatch = request.getHeader(Headers.HEADER_IF_NONE_MATCH);
- String eTag = controller.getETag(request);
+ String eTag = handle.getETag(request);
/**
* 304-Antworten sollen nach dem {@plainlink
*/
if (eTag != null) {
StringBuilder builder = new StringBuilder();
- if (controller.isETagWeak())
+ if (handle.isETagWeak())
builder.append("W/");
builder.append('"');
builder.append(eTag);
* Antwort stark sind (starke Gleichheit!), oder wenn die Antwort nur
* schwache Gleichheit fordert...
*/
- if (ifNoneMatch.equals(eTag) && (controller.isETagWeak() || !weak)) {
+ if (ifNoneMatch.equals(eTag) && (handle.isETagWeak() || !weak)) {
log.debug("{}: ETag {} not changed -> 304 ", url, ifNoneMatch);
response.setStatus(HttpServletResponse.SC_NOT_MODIFIED);
return false;
* <code>Expires</code>-Header für HTTP/1.0-Clients setzen.
*/
cacheControl.put("max-age", Integer.toString(cacheSeconds));
- response.setDateHeader(Headers.HEADER_EXPIRES, (controller.getTimestamp() + (long) cacheSeconds * 1000));
+ response.setDateHeader(Headers.HEADER_EXPIRES, (handle.getTimestamp() + (long) cacheSeconds * 1000));
}
/** Dem Handler die Gelegenheit geben, den Cache-Controll-Header anzupassen */
- controller.cacheControl(request, cacheControl);
+ handle.cacheControl(request, cacheControl);
if (cacheControl.containsKey("private")) {