private FileInfo scanZip(FileInfo zip) {
try {
File zf = new File(zip.pathname);
long arcsize = zf.length();
// ZipFile file = new ZipFile(zf);
ArrayList<ZipEntry> entries = engine.getArchiveItems(zip.pathname);
ArrayList<FileInfo> items = new ArrayList<FileInfo>();
// for ( Enumeration<?> e = file.entries(); e.hasMoreElements(); ) {
for (ZipEntry entry : entries) {
if (entry.isDirectory()) continue;
String name = entry.getName();
FileInfo item = new FileInfo();
item.format = DocumentFormat.byExtension(name);
if (item.format == null) continue;
File f = new File(name);
item.filename = f.getName();
item.path = f.getPath();
item.pathname = entry.getName();
item.size = (int) entry.getSize();
// item.createTime = entry.getTime();
item.createTime = zf.lastModified();
item.arcname = zip.pathname;
item.arcsize = (int) entry.getCompressedSize();
item.isArchive = true;
items.add(item);
}
if (items.size() == 0) {
L.i("Supported files not found in " + zip.pathname);
return null;
} else if (items.size() == 1) {
// single supported file in archive
FileInfo item = items.get(0);
item.isArchive = true;
item.isDirectory = false;
return item;
} else {
zip.isArchive = true;
zip.isDirectory = true;
zip.isListed = true;
for (FileInfo item : items) {
item.parent = zip;
zip.addFile(item);
}
return zip;
}
} catch (Exception e) {
L.e("IOException while opening " + zip.pathname + " " + e.getMessage());
}
return null;
}
public FileInfo setSearchResults(FileInfo[] results) {
FileInfo existingResults = null;
for (int i = 0; i < mRoot.dirCount(); i++) {
FileInfo dir = mRoot.getDir(i);
if (dir.isSearchDir()) {
existingResults = dir;
dir.clear();
break;
}
}
if (existingResults == null) {
FileInfo dir = new FileInfo();
dir.isDirectory = true;
dir.pathname = FileInfo.SEARCH_RESULT_DIR_TAG;
dir.filename = mActivity.getResources().getString(R.string.dir_search_results);
dir.parent = mRoot;
dir.isListed = true;
dir.isScanned = true;
mRoot.addDir(dir);
existingResults = dir;
}
for (FileInfo item : results) existingResults.addFile(item);
return existingResults;
}
/**
* 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;
}
}