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@ -48,7 +48,7 @@ public class NativeUtil {
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/** |
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* Temporary directory which will contain the DLLs. |
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*/ |
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private static File temporaryDir; |
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private static Path temporaryDir; |
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private NativeUtil() {} |
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@ -85,43 +85,43 @@ public class NativeUtil {
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// Prepare temporary file
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if (temporaryDir == null) { |
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temporaryDir = createTempDirectory(NATIVE_FOLDER_PATH_PREFIX); |
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temporaryDir.deleteOnExit(); |
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temporaryDir.toFile().deleteOnExit(); |
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} |
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File temp = new File(temporaryDir, filename); |
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Path temp = temporaryDir.resolve(filename); |
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try (InputStream is = NativeUtil.class.getResourceAsStream(path)) { |
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Files.copy(is, temp.toPath(), StandardCopyOption.REPLACE_EXISTING); |
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if (!temporaryDir.toFile().canWrite()) throw new IOException("Can't write to temporary directory."); |
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Files.copy(is, temp.toAbsolutePath(), StandardCopyOption.REPLACE_EXISTING); |
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} catch (IOException e) { |
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temp.delete(); |
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delete(temp); |
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throw e; |
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} catch (NullPointerException e) { |
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temp.delete(); |
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delete(temp); |
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throw new FileNotFoundException("File " + path + " was not found inside JAR."); |
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} |
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try { |
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System.load(temp.getAbsolutePath()); |
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System.load(temp.toAbsolutePath().toString()); |
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} finally { |
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if (isPosixCompliant()) { |
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// Assume POSIX compliant file system, can be deleted after loading
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temp.delete(); |
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delete(temp); |
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} else { |
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// Assume non-POSIX, and don't delete until last file descriptor closed
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temp.deleteOnExit(); |
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temp.toFile().deleteOnExit(); |
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} |
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} |
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} |
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private static File createTempDirectory(final String prefix) throws IOException { |
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String tempDir = System.getProperty("java.io.tmpdir"); |
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File generatedDir = new File(tempDir, prefix + System.nanoTime()); |
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if (!generatedDir.mkdir()) { |
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throw new IOException("Failed to create temp directory " + generatedDir.getName()); |
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private static void delete(final Path path) { |
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try { |
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Files.deleteIfExists(path); |
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} catch (IOException ignored) {} |
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} |
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return generatedDir; |
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private static Path createTempDirectory(final String prefix) throws IOException { |
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return Files.createTempDirectory(prefix + System.nanoTime()); |
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} |
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private static boolean isPosixCompliant() { |
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