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am 949d2ae5: am 4bcf70c9: Fix a bad interaction with mmap 

* commit '949d2ae5788977c5e87e35e1bd1770f54ac88f5b':
  Fix a bad interaction with mmap
main
Jean Chalard 2012-07-09 20:24:01 -07:00 committed by Android Git Automerger
parent ea92b7b987 949d2ae578
commit 24e8a06f98
1 changed files with 14 additions and 4 deletions
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18
java/src/com/android/inputmethod/latin/BinaryDictionaryFileDumper.java
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@ -149,7 +149,8 @@ public class BinaryDictionaryFileDumper {
final int MODE_MAX = NONE;
final Uri.Builder wordListUriBuilder = getProviderUriBuilder(id);
final String outputFileName = BinaryDictionaryGetter.getCacheFileName(id, locale, context);
final String finalFileName = BinaryDictionaryGetter.getCacheFileName(id, locale, context);
final String tempFileName = finalFileName + ".tmp";
for (int mode = MODE_MIN; mode <= MODE_MAX; ++mode) {
InputStream originalSourceStream = null;
@ -165,7 +166,10 @@ public class BinaryDictionaryFileDumper {
if (null == afd) return null;
originalSourceStream = afd.createInputStream();
// Open output.
outputFile = new File(outputFileName);
outputFile = new File(tempFileName);
// Just to be sure, delete the file. This may fail silently, and return false: this
// is the right thing to do, as we just want to continue anyway.
outputFile.delete();
outputStream = new FileOutputStream(outputFile);
// Get the appropriate decryption method for this try
switch (mode) {
@ -194,14 +198,20 @@ public class BinaryDictionaryFileDumper {
break;
}
checkMagicAndCopyFileTo(new BufferedInputStream(inputStream), outputStream);
outputStream.flush();
outputStream.close();
final File finalFile = new File(finalFileName);
if (!outputFile.renameTo(finalFile)) {
throw new IOException("Can't move the file to its final name");
}
wordListUriBuilder.appendQueryParameter(QUERY_PARAMETER_DELETE_RESULT,
QUERY_PARAMETER_SUCCESS);
if (0 >= resolver.delete(wordListUriBuilder.build(), null, null)) {
Log.e(TAG, "Could not have the dictionary pack delete a word list");
}
BinaryDictionaryGetter.removeFilesWithIdExcept(context, id, outputFile);
BinaryDictionaryGetter.removeFilesWithIdExcept(context, id, finalFile);
// Success! Close files (through the finally{} clause) and return.
return AssetFileAddress.makeFromFileName(outputFileName);
return AssetFileAddress.makeFromFileName(finalFileName);
} catch (Exception e) {
if (DEBUG) {
Log.i(TAG, "Can't open word list in mode " + mode + " : " + e);