/**
* 查找缓存文件
*
* @param key
* @param dir
* @return
* @throws com.log4ic.compressor.cache.exception.CacheException
*/
public static CacheFile lookupCacheFile(String key, String dir) throws CacheException {
Compressor.FileType[] types = Compressor.FileType.values();
for (Compressor.FileType type : types) {
CacheFile file = findCacheFile(key, type, dir);
if (file.exists()) {
return file;
}
}
return null;
}
/**
* 将缓存写入文件，如果文件存并且未过期在则直接返回该文件
*
* @param key
* @param content
* @param fileType
* @param cacheDir
* @param createDate
* @return
* @throws CacheException
*/
public static CacheFile writeContent(
String key, String content, Compressor.FileType fileType, String cacheDir, long createDate)
throws CacheException {
CacheFile file = findCacheFile(key, fileType, cacheDir);
if (!file.getFile().exists() || file.getFile().lastModified() + 1000 < createDate) {
logger.debug("尝试写入缓存文件....");
File f = FileUtils.writeFile(content, file.getPath());
logger.debug("写入缓存文件完毕!");
return new SimpleCacheFile(f, fileType);
}
return file;
}