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Update NativeUtils.java

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Refactor function loadLibraryFromJar
This commit is contained in:
Mohanned Anwar 2023-04-02 05:41:34 +03:00 committed by GitHub
parent ec83d01dca
commit 0df138171c
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1 changed files with 18 additions and 16 deletions
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ann/src/main/java/com/twitter/ann/faiss/NativeUtils.java
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@ -90,24 +90,26 @@ public final class NativeUtils {
* @throws FileNotFoundException If the file could not be found inside the * @throws FileNotFoundException If the file could not be found inside the
* JAR. * JAR.
*/ */
public static void loadLibraryFromJar(String path) throws IOException { public static void loadLibraryFromJar(String path) throws IOException {
File temp = unpackLibraryFromJarInternal(path); File tempFile = unpackLibraryFromJarInternal(path);
try {
try (InputStream is = NativeUtils.class.getResourceAsStream(path)) { copyResourceToFile(path, tempFile);
Files.copy(is, temp.toPath(), StandardCopyOption.REPLACE_EXISTING); System.load(tempFile.getAbsolutePath());
} catch (IOException e) { } finally {
temp.delete(); tempFile.deleteOnExit();
throw e; }
} catch (NullPointerException e) {
temp.delete();
throw new FileNotFoundException("File " + path + " was not found inside JAR.");
} }
try { private static void copyResourceToFile(String resourcePath, File file) throws IOException {
System.load(temp.getAbsolutePath()); try ( InputStream inputStream = NativeUtils.class.getResourceAsStream(resourcePath)) {
} finally { Files.copy(inputStream, file.toPath(), StandardCopyOption.REPLACE_EXISTING);
temp.deleteOnExit(); } catch (IOException e) {
} file.delete();
throw e;
} catch (NullPointerException e) {
file.delete();
throw new FileNotFoundException("File " + resourcePath + " was not found inside JAR.");
}
} }
private static File createTempDirectory(String prefix) throws IOException { private static File createTempDirectory(String prefix) throws IOException {