/**
* Tries to initializes the image cache. If the initialization fails the image cache remains
* {@code null}.
*
* @param context the XWiki context
*/
private void initCache(XWikiContext context) {
if (this.imageCache == null) {
CacheConfiguration configuration = new CacheConfiguration();
configuration.setConfigurationId("xwiki.plugin.image");
// Set cache constraints.
LRUEvictionConfiguration lru = new LRUEvictionConfiguration();
configuration.put(LRUEvictionConfiguration.CONFIGURATIONID, lru);
String capacityParam = context.getWiki().Param("xwiki.plugin.image.cache.capacity");
if (!StringUtils.isBlank(capacityParam) && StringUtils.isNumeric(capacityParam.trim())) {
try {
this.capacity = Integer.parseInt(capacityParam.trim());
} catch (NumberFormatException e) {
LOG.warn(
String.format(
"Failed to parse xwiki.plugin.image.cache.capacity configuration parameter. "
+ "Using %s as the cache capacity.",
this.capacity),
e);
}
}
lru.setMaxEntries(this.capacity);
try {
this.imageCache = context.getWiki().getLocalCacheFactory().newCache(configuration);
} catch (CacheException e) {
LOG.error("Error initializing the image cache.", e);
}
}
}
/* Copy, Paste & Customize from com.xpn.xwiki.plugin.image */
synchronized void initCache() {
CacheConfiguration configuration = new CacheConfiguration();
configuration.setConfigurationId("celements.photo");
// Set folder o store cache
File tempDir = getContext().getWiki().getTempDirectory(getContext());
File imgTempDir = new File(tempDir, configuration.getConfigurationId());
try {
imgTempDir.mkdirs();
} catch (Exception ex) {
LOGGER.warn("Cannot create temporary files", ex);
}
configuration.put("cache.path", imgTempDir.getAbsolutePath());
// Set cache constraints
LRUEvictionConfiguration lru = new LRUEvictionConfiguration();
capacity = readIntegerValue("xwiki.plugin.image.cache.capacity", capacity);
lru.setMaxEntries(capacity);
ttlConfig = readIntegerValue("xwiki.plugin.image.cache.ttl", ttlConfig);
lru.setTimeToLive(ttlConfig);
LOGGER.debug(
"creating an image cache with capacity ["
+ lru.getMaxEntries()
+ "] and ttl ["
+ lru.getTimeToLive()
+ "] and cache.path ["
+ lru.get("cache.path")
+ "].");
configuration.put(LRUEvictionConfiguration.CONFIGURATIONID, lru);
try {
imageCache = getCacheManager().createNewCache(configuration);
} catch (CacheException exp) {
LOGGER.error("Error initializing the image cache.", exp);
}
initializedCache = true;
}