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Diffstat (limited to 'zerotierone/java/src/com/zerotier/sdk/NativeUtils.java')
-rw-r--r--zerotierone/java/src/com/zerotier/sdk/NativeUtils.java93
1 files changed, 0 insertions, 93 deletions
diff --git a/zerotierone/java/src/com/zerotier/sdk/NativeUtils.java b/zerotierone/java/src/com/zerotier/sdk/NativeUtils.java
deleted file mode 100644
index 07e1ef5..0000000
--- a/zerotierone/java/src/com/zerotier/sdk/NativeUtils.java
+++ /dev/null
@@ -1,93 +0,0 @@
-package com.zerotier.sdk;
-
-import java.io.File;
-import java.io.FileNotFoundException;
-import java.io.FileOutputStream;
-import java.io.IOException;
-import java.io.InputStream;
-import java.io.OutputStream;
-
-/**
- * Simple library class for working with JNI (Java Native Interface)
- *
- * @see http://adamheinrich.com/2012/how-to-load-native-jni-library-from-jar
- *
- * @author Adam Heirnich <[email protected]>, http://www.adamh.cz
- */
-public class NativeUtils {
-
- /**
- * Private constructor - this class will never be instanced
- */
- private NativeUtils() {
- }
-
- /**
- * Loads library from current JAR archive
- *
- * The file from JAR is copied into system temporary directory and then loaded. The temporary file is deleted after exiting.
- * Method uses String as filename because the pathname is "abstract", not system-dependent.
- *
- * @param filename The filename inside JAR as absolute path (beginning with '/'), e.g. /package/File.ext
- * @throws IOException If temporary file creation or read/write operation fails
- * @throws IllegalArgumentException If source file (param path) does not exist
- * @throws IllegalArgumentException If the path is not absolute or if the filename is shorter than three characters (restriction of {@see File#createTempFile(java.lang.String, java.lang.String)}).
- */
- public static void loadLibraryFromJar(String path) throws IOException {
-
- if (!path.startsWith("/")) {
- throw new IllegalArgumentException("The path has to be absolute (start with '/').");
- }
-
- // Obtain filename from path
- String[] parts = path.split("/");
- String filename = (parts.length > 1) ? parts[parts.length - 1] : null;
-
- // Split filename to prexif and suffix (extension)
- String prefix = "";
- String suffix = null;
- if (filename != null) {
- parts = filename.split("\\.", 2);
- prefix = parts[0];
- suffix = (parts.length > 1) ? "."+parts[parts.length - 1] : null; // Thanks, davs! :-)
- }
-
- // Check if the filename is okay
- if (filename == null || prefix.length() < 3) {
- throw new IllegalArgumentException("The filename has to be at least 3 characters long.");
- }
-
- // Prepare temporary file
- File temp = File.createTempFile(prefix, suffix);
- temp.deleteOnExit();
-
- if (!temp.exists()) {
- throw new FileNotFoundException("File " + temp.getAbsolutePath() + " does not exist.");
- }
-
- // Prepare buffer for data copying
- byte[] buffer = new byte[1024];
- int readBytes;
-
- // Open and check input stream
- InputStream is = NativeUtils.class.getResourceAsStream(path);
- if (is == null) {
- throw new FileNotFoundException("File " + path + " was not found inside JAR.");
- }
-
- // Open output stream and copy data between source file in JAR and the temporary file
- OutputStream os = new FileOutputStream(temp);
- try {
- while ((readBytes = is.read(buffer)) != -1) {
- os.write(buffer, 0, readBytes);
- }
- } finally {
- // If read/write fails, close streams safely before throwing an exception
- os.close();
- is.close();
- }
-
- // Finally, load the library
- System.load(temp.getAbsolutePath());
- }
-} \ No newline at end of file