private boolean addRoot(String pathname, String filename, boolean listIt) {
FileInfo dir = new FileInfo();
dir.isDirectory = true;
dir.pathname = pathname;
dir.filename = filename;
if (findRoot(pathname) != null) {
log.w("skipping duplicate root " + pathname);
return false; // exclude duplicates
}
if (listIt) {
log.i("Checking FS root " + pathname);
if (!dir.isReadableDirectory()) { // isWritableDirectory
log.w("Skipping " + pathname + " - it's not a readable directory");
return false;
}
if (!listDirectory(dir)) {
log.w("Skipping " + pathname + " - listing failed");
return false;
}
log.i("Adding FS root: " + pathname + " " + filename);
}
mRoot.addDir(dir);
dir.parent = mRoot;
if (!listIt) {
dir.isListed = true;
dir.isScanned = true;
}
return true;
}
/**
* Adds dir and file children to directory FileInfo item.
*
* @param baseDir is directory to list files and dirs for
* @return true if successful.
*/
public boolean listDirectory(FileInfo baseDir) {
Set<String> knownItems = null;
if (baseDir.isListed) {
knownItems = new HashSet<String>();
for (int i = baseDir.itemCount() - 1; i >= 0; i--) {
FileInfo item = baseDir.getItem(i);
if (!item.exists()) {
// remove item from list
baseDir.removeChild(item);
} else {
knownItems.add(item.getBasePath());
}
}
}
try {
File dir = new File(baseDir.pathname);
File[] items = dir.listFiles();
// process normal files
if (items != null) {
for (File f : items) {
// check whether file is a link
if (Engine.isLink(f.getAbsolutePath()) != null) {
log.w("skipping " + f + " because it's a link");
continue;
}
if (!f.isDirectory()) {
// regular file
if (f.getName().startsWith(".")) continue; // treat files beginning with '.' as hidden
if (f.getName().equalsIgnoreCase("LOST.DIR")) continue; // system directory
String pathName = f.getAbsolutePath();
if (knownItems != null && knownItems.contains(pathName)) continue;
if (engine.isRootsMountPoint(pathName)) {
// skip mount root
continue;
}
boolean isZip = pathName.toLowerCase().endsWith(".zip");
FileInfo item = mFileList.get(pathName);
boolean isNew = false;
if (item == null) {
item = new FileInfo(f);
if (isZip) {
item = scanZip(item);
if (item == null) continue;
if (item.isDirectory) {
// many supported files in ZIP
item.parent = baseDir;
baseDir.addDir(item);
for (int i = 0; i < item.fileCount(); i++) {
FileInfo file = item.getFile(i);
mFileList.put(file.getPathName(), file);
}
} else {
item.parent = baseDir;
baseDir.addFile(item);
mFileList.put(pathName, item);
}
continue;
}
isNew = true;
}
if (item.format != null) {
item.parent = baseDir;
baseDir.addFile(item);
if (isNew) mFileList.put(pathName, item);
}
}
}
// process directories
for (File f : items) {
if (f.isDirectory()) {
if (f.getName().startsWith(".")) continue; // treat dirs beginning with '.' as hidden
FileInfo item = new FileInfo(f);
if (knownItems != null && knownItems.contains(item.getPathName())) continue;
item.parent = baseDir;
baseDir.addDir(item);
}
}
}
baseDir.isListed = true;
return !baseDir.isEmpty();
} catch (Exception e) {
L.e("Exception while listing directory " + baseDir.pathname, e);
baseDir.isListed = true;
return false;
}
}