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Allow using a format version 2 word list in LatinIME 

Change-Id: I73a4df3a83e49be6e8d3a7d14eb027cfe10f1a23
main
Jean Chalard 2012-04-20 18:56:03 +09:00
parent 78173bdf53
commit 04b03f4dd6
1 changed files with 13 additions and 7 deletions
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20
java/src/com/android/inputmethod/latin/BinaryDictionaryFileDumper.java
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@ -49,7 +49,10 @@ public class BinaryDictionaryFileDumper {
*/
private static final int FILE_READ_BUFFER_SIZE = 1024;
// TODO: make the following data common with the native code
private static final byte[] MAGIC_NUMBER = new byte[] { 0x78, (byte)0xB1 };
private static final byte[] MAGIC_NUMBER_VERSION_1 =
new byte[] { (byte)0x78, (byte)0xB1, (byte)0x00, (byte)0x00 };
private static final byte[] MAGIC_NUMBER_VERSION_2 =
new byte[] { (byte)0x9B, (byte)0xC1, (byte)0x3A, (byte)0xFE };
private static final String DICTIONARY_PROJECTION[] = { "id" };
@ -268,15 +271,18 @@ public class BinaryDictionaryFileDumper {
private static void checkMagicAndCopyFileTo(final BufferedInputStream input,
final FileOutputStream output) throws FileNotFoundException, IOException {
// Check the magic number
final byte[] magicNumberBuffer = new byte[MAGIC_NUMBER.length];
final int readMagicNumberSize = input.read(magicNumberBuffer, 0, MAGIC_NUMBER.length);
if (readMagicNumberSize < MAGIC_NUMBER.length) {
final int length = MAGIC_NUMBER_VERSION_2.length;
final byte[] magicNumberBuffer = new byte[length];
final int readMagicNumberSize = input.read(magicNumberBuffer, 0, length);
if (readMagicNumberSize < length) {
throw new IOException("Less bytes to read than the magic number length");
}
if (!Arrays.equals(MAGIC_NUMBER, magicNumberBuffer)) {
throw new IOException("Wrong magic number for downloaded file");
if (!Arrays.equals(MAGIC_NUMBER_VERSION_2, magicNumberBuffer)) {
if (!Arrays.equals(MAGIC_NUMBER_VERSION_1, magicNumberBuffer)) {
throw new IOException("Wrong magic number for downloaded file");
}
}
output.write(MAGIC_NUMBER);
output.write(magicNumberBuffer);
// Actually copy the file
final byte[] buffer = new byte[FILE_READ_BUFFER_SIZE];