Throw exception when the header cannot be read.

Bug: 13066902
Change-Id: I8fd0f361a4ca55aaab8a2bd2e11f48f92b87fc93
This commit is contained in:
Keisuke Kuroyanagi 2014-02-19 12:35:58 +09:00
parent e49e007bb2
commit 97a40d030f

View file

@ -173,6 +173,9 @@ public class Ver2DictDecoder extends AbstractDictDecoder {
@Override @Override
public DictionaryHeader readHeader() throws IOException, UnsupportedFormatException { public DictionaryHeader readHeader() throws IOException, UnsupportedFormatException {
final DictionaryHeader header = mBinaryDictionary.getHeader(); final DictionaryHeader header = mBinaryDictionary.getHeader();
if (header == null) {
throw new IOException("Cannot read the dictionary header.");
}
if (header.mFormatOptions.mVersion != FormatSpec.VERSION2) { if (header.mFormatOptions.mVersion != FormatSpec.VERSION2) {
throw new UnsupportedFormatException("File header has a wrong version : " throw new UnsupportedFormatException("File header has a wrong version : "
+ header.mFormatOptions.mVersion); + header.mFormatOptions.mVersion);