private File getExistingCacheFile(final long id) {
final File externalCacheDir = context.getExternalCacheDir();
if (externalCacheDir != null) {
final File fExternal = new File(externalCacheDir, id + ext);
if (fExternal.exists()) {
return fExternal;
}
}
final File fInternal = new File(context.getCacheDir(), id + ext);
if (fInternal.exists()) {
return fInternal;
}
return null;
}
private boolean saveAndVerify(ZipInputStream data) throws IOException {
try {
ZipEntry ze;
while ((ze = data.getNextEntry()) != null) {
// Filename + reference to file.
String filename = ze.getName();
File output = new File(local_path + filename);
if (filename.endsWith("/")) {
output.mkdirs();
} else {
if (output.exists()) {
// Delete the file if it already exists.
if (!output.delete()) {
return false;
}
}
if (output.createNewFile()) {
FileOutputStream out = new FileOutputStream(output);
byte[] buffer = new byte[1024];
int count;
while ((count = data.read(buffer)) != -1) {
out.write(buffer, 0, count);
}
} else {
return false;
}
}
}
} catch (Exception e) {
e.printStackTrace();
return false;
} finally {
data.close();
}
return true;
}