private boolean unpackFile(ZipFile zip, byte[] buf, ZipEntry fileEntry, String name)
throws IOException, FileNotFoundException {
if (fileEntry == null) fileEntry = zip.getEntry(name);
if (fileEntry == null)
throw new FileNotFoundException("Can't find " + name + " in " + zip.getName());
File outFile = new File(sGREDir, name);
if (outFile.lastModified() == fileEntry.getTime() && outFile.length() == fileEntry.getSize())
return false;
File dir = outFile.getParentFile();
if (!dir.exists()) dir.mkdirs();
InputStream fileStream;
fileStream = zip.getInputStream(fileEntry);
OutputStream outStream = new FileOutputStream(outFile);
while (fileStream.available() > 0) {
int read = fileStream.read(buf, 0, buf.length);
outStream.write(buf, 0, read);
}
fileStream.close();
outStream.close();
outFile.setLastModified(fileEntry.getTime());
return true;
}
private void wrapFiles() {
listedDirectory = new File(backStack.get(backStack.size() - 1).path);
if (!listedDirectory.isDirectory()) {
throw new IllegalArgumentException("Directory is not valid.");
}
adapter.clear();
setTitle(listedDirectory.getAbsolutePath());
if (isDirectoryTarget) adapter.add(new FileWrapper(null, FileWrapper.DIRSELECT, true));
if (listedDirectory.getParentFile() != null)
adapter.add(new FileWrapper(null, FileWrapper.PARENT, true));
// Copy new items
final File[] files = listedDirectory.listFiles();
if (files != null) {
for (File file : files) {
String path = file.getName();
boolean allowFile = file.isDirectory() || (filterPath(path) && !isDirectoryTarget);
if (allowFile)
adapter.add(new FileWrapper(file, FileWrapper.FILE, file.isDirectory() || true));
}
}
// Sort items
adapter.sort(
new Comparator<FileWrapper>() {
@Override
public int compare(FileWrapper aLeft, FileWrapper aRight) {
return aLeft.compareTo(aRight);
};
});
// Update
adapter.notifyDataSetChanged();
}
@Override
public void onItemClick(AdapterView<?> aListView, View aView, int aPosition, long aID) {
final FileWrapper item = adapter.getItem(aPosition);
if (item.parentItem && backStack.get(backStack.size() - 1).parentIsBack) {
backStack.remove(backStack.size() - 1);
wrapFiles();
return;
} else if (item.dirSelectItem) {
finishWithPath(listedDirectory.getAbsolutePath());
return;
}
final File selected = item.parentItem ? listedDirectory.getParentFile() : item.file;
if (selected.isDirectory()) {
backStack.add(new BackStackItem(selected.getAbsolutePath(), !item.parentItem));
wrapFiles();
} else {
String filePath = selected.getAbsolutePath();
finishWithPath(filePath);
}
}