am 9f468348: dicttool header to read stream exhaustively

* commit '9f46834839dadce7fdb8f8c9d6bb43dd8f760dd0':
  dicttool header to read stream exhaustively
main
Adrian Velicu 2014-11-12 02:14:42 +00:00 committed by Android Git Automerger
commit 05f7f22a59
1 changed files with 15 additions and 3 deletions

View File

@ -186,9 +186,7 @@ public final class BinaryDictOffdeviceUtils {
throw new UnsupportedFormatException("Header too large");
}
final byte[] headerBuffer = new byte[totalHeaderSize - tmpBuffer.length];
if (headerBuffer.length != input.read(headerBuffer)) {
throw new UnsupportedFormatException("File shorter than specified in the header");
}
readStreamExhaustively(input, headerBuffer);
final HashMap<String, String> attributes =
BinaryDictDecoderUtils.decodeHeaderAttributes(headerBuffer);
return new DictionaryHeader(totalHeaderSize, new DictionaryOptions(attributes),
@ -196,6 +194,20 @@ public final class BinaryDictOffdeviceUtils {
}
}
private static void readStreamExhaustively(final InputStream inputStream,
final byte[] outBuffer) throws IOException, UnsupportedFormatException {
int readBytes = 0;
int readBytesLastCycle = -1;
while (readBytes != outBuffer.length) {
readBytesLastCycle = inputStream.read(outBuffer, readBytes,
outBuffer.length - readBytes);
if (readBytesLastCycle == -1)
throw new UnsupportedFormatException("File shorter than specified in the header"
+ " (expected " + outBuffer.length + ", read " + readBytes + ")");
readBytes += readBytesLastCycle;
}
}
public static void copy(final InputStream input, final OutputStream output) throws IOException {
final byte[] buffer = new byte[COPY_BUFFER_SIZE];
for (int readBytes = input.read(buffer); readBytes >= 0; readBytes = input.read(buffer)) {