-/* Copyright (c) 2014-2016. The SimGrid Team. All rights reserved. */
+/* Copyright (c) 2014-2017. The SimGrid Team. All rights reserved. */
/* This program is free software; you can redistribute it and/or modify it
* under the terms of the license (GNU LGPL) which comes with this package. */
*/
public final class NativeLib {
private static boolean isNativeInited = false;
- static Path tempDir = null; // where the embeeded libraries are unpacked before loading them
+ private static Path tempDir = null; // where the embeeded libraries are unpacked before loading them
/** A static-only "class" don't need no constructor */
private NativeLib() {
}
/** Try to extract the library from the jarfile before loading it */
- private static boolean loadLibAsStream (String name) throws SecurityException, IOException, UnsatisfiedLinkError {
+ private static boolean loadLibAsStream (String name) throws IOException, UnsatisfiedLinkError {
String path = NativeLib.getPath();
+ // We must write the lib onto the disk before loading it -- stupid operating systems
+ if (tempDir == null) {
+ tempDir = Files.createTempDirectory("simgrid-java-");
+ // don't leak the files on disk, but remove it on JVM shutdown
+ Runtime.getRuntime().addShutdownHook(new Thread(new FileCleaner(tempDir.toFile())));
+ }
+
/* For each possible filename of the given library on all possible OSes, try it */
for (String filename : new String[]
{ name,
"lib"+name+".so", /* linux */
name+".dll", "lib"+name+".dll", /* windows (pure and mingw) */
"lib"+name+".dylib" /* mac osx */}) {
-
- InputStream in = NativeLib.class.getClassLoader().getResourceAsStream(path+filename);
- if (in == null)
- continue; // Try the next name: no such file found
-
- OutputStream out = null;
- try {
- // We must write the lib onto the disk before loading it -- stupid operating systems
- if (tempDir == null) {
- tempDir = Files.createTempDirectory("simgrid-java-");
- // don't leak the files on disk, but remove it on JVM shutdown
- Runtime.getRuntime().addShutdownHook(new Thread(new FileCleaner(tempDir.toFile())));
- }
- File fileOut = new File(tempDir.toFile().getAbsolutePath() + File.separator + filename);
+
+ File fileOut = new File(tempDir.toFile().getAbsolutePath() + File.separator + filename);
+ try ( // Try-with-resources. These stream will be autoclosed when needed.
+ InputStream in = NativeLib.class.getClassLoader().getResourceAsStream(path+filename);
+ OutputStream out = new FileOutputStream(fileOut);
+ ) {
+ if (in == null)
+ continue; // Try the next name: no such file found
/* copy the library in position */
- out = new FileOutputStream(fileOut);
byte[] buffer = new byte[4096];
int bytesRead;
while ((bytesRead = in.read(buffer)) != -1) // Read until EOF
out.write(buffer, 0, bytesRead);
+ out.close(); // Windows cannot open it twice, so close it first. Shame.
+
/* load that shit */
System.load(fileOut.getAbsolutePath());
/* It loaded! we're good */
return true;
- } finally {
- /* Always close all descriptors, no matter success or error */
- try {
- in.close();
- out.close();
- } catch (IOException e) {
- /* Too bad. I dont care. */
- }
}
}
public void run() {
try {
for (File f : dir.listFiles())
- if (! f.delete() )
- System.err.println("Unable to clean temporary file "+f.getAbsolutePath()+" during shutdown.");
- if (! dir.delete() )
- System.err.println("Unable to clean temporary file "+dir.getAbsolutePath()+" during shutdown.");
+ if (! f.delete() && !f.getAbsolutePath().contains("appveyor")) // Be silent on AppVeyor to not break the tests. Ugly trick :)
+ System.out.println("Unable to clean temporary file "+f.getAbsolutePath()+" during shutdown.");
+ if (! dir.delete() && !dir.getAbsolutePath().contains("appveyor") )
+ System.out.println("Unable to clean temporary file "+dir.getAbsolutePath()+" during shutdown.");
} catch(Exception e) {
- System.err.println("Unable to clean temporary file "+dir.getAbsolutePath()+" during shutdown: "+e.getCause());
+ System.out.println("Unable to clean temporary file "+dir.getAbsolutePath()+" during shutdown: "+e.getCause());
e.printStackTrace();
}
}