private OFileClassic createFile(String fileName) {
OFileClassic fileClassic = new OFileClassic();
String path =
storageLocal
.getVariableParser()
.resolveVariables(storageLocal.getStoragePath() + File.separator + fileName);
fileClassic.init(path, storageLocal.getMode());
return fileClassic;
}
public boolean exists(String fileName) {
synchronized (syncObject) {
if (nameIdMap != null && nameIdMap.containsKey(fileName)) return true;
final File file =
new File(
storageLocal
.getVariableParser()
.resolveVariables(storageLocal.getStoragePath() + File.separator + fileName));
return file.exists();
}
}
public void renameFile(long fileId, String oldFileName, String newFileName) throws IOException {
synchronized (syncObject) {
if (!files.containsKey(fileId)) return;
final OFileClassic file = files.get(fileId);
final String osFileName = file.getName();
if (osFileName.startsWith(oldFileName)) {
final File newFile =
new File(
storageLocal.getStoragePath()
+ File.separator
+ newFileName
+ osFileName.substring(
osFileName.lastIndexOf(oldFileName) + oldFileName.length()));
boolean renamed = file.renameTo(newFile);
while (!renamed) {
OMemoryWatchDog.freeMemoryForResourceCleanup(100);
renamed = file.renameTo(newFile);
}
}
writeNameIdEntry(new NameFileIdEntry(oldFileName, -1), false);
writeNameIdEntry(new NameFileIdEntry(newFileName, fileId), true);
nameIdMap.remove(oldFileName);
nameIdMap.put(newFileName, fileId);
}
}
private void initNameIdMapping() throws IOException {
if (nameIdMapHolder == null) {
final File storagePath = new File(storageLocal.getStoragePath());
if (!storagePath.exists())
if (!storagePath.mkdirs())
throw new OStorageException("Can not create directories for the path " + storagePath);
nameIdMapHolderFile = new File(storagePath, NAME_ID_MAP);
nameIdMapHolder = new RandomAccessFile(nameIdMapHolderFile, "rw");
readNameIdMap();
}
}