public AudioInfo(String fname) {
super(fname);
String type = MimeType.getTypeFromFilename(fname);
if (type.endsWith("/mpeg")) {
setupMPEG(fname);
} else if (type.endsWith("/ogg-vorbis")) {
setupVORBIS(fname);
} else if (type.endsWith("/x-wav")) {
setupWAV(fname);
}
}
public static Info get(String fname) throws IOException {
File f = new File(fname);
String pname = f.getCanonicalPath();
CacheEntry ce = (CacheEntry) infoCache.get(pname);
long timestamp = f.lastModified();
// see if cache entry valid
if (ce != null && ce.timestamp == timestamp) {
if (log.isDebugEnabled()) {
log.debug("pull info (" + ce.info + ") from cache (" + ce + ") for " + pname);
}
return ce.info;
}
// determine type of info
String type = MimeType.getTypeFromFilename(pname);
if (type == null) {
return null;
}
// get info
Info info = null;
if (type.startsWith("audio/")) {
info = new AudioInfo(pname);
} else if (type.startsWith("image/")) {
info = new ImageInfo(pname);
}
// cache it
if (info != null) {
ce = new CacheEntry();
ce.info = info;
ce.timestamp = timestamp;
infoCache.put(pname, ce);
if (log.isDebugEnabled()) {
log.debug("cached (" + ce + ") info (" + info + ") for " + pname);
}
}
return info;
}