private void initIndexContent(DataInputStream in) throws IOException {
try {
while (true) {
char flag = (char) in.readByte();
String key = in.readUTF();
if (flag == DELETE) {
lruEntries.remove(key);
return;
}
DiskLruCacheEntry entry = lruEntries.get(key);
if (entry == null) {
entry = new DiskLruCacheEntry(this, key);
lruEntries.put(key, entry);
}
switch (flag) {
case CLEAN:
entry.size = in.readInt();
break;
case UPDATE:
case WRITE:
entry.clean(); // reset to clean or deleted
break;
case READ:
// this work was already done by calling lruEntries.get()
break;
default:
throw new IOException("unexpected index line: " + flag + ":" + key);
}
}
} catch (EOFException e) {
// end
}
}
