}
public static void nativeInit(String name) {
try {
- /* prefer the version on disk, if existing */
- System.loadLibrary(name);
- } catch (UnsatisfiedLinkError e) {
- /* If not found, unpack the one bundled into the jar file and use it */
+ /* Prefer the version of the library bundled into the jar file and use it */
loadLib(name);
+ } catch (SimGridLibNotFoundException e) {
+ /* If not found, try to see if we can find a version on disk */
+ try {
+ System.loadLibrary(name);
+ } catch (UnsatisfiedLinkError e2) {
+ System.err.println("Cannot load the bindings to the "+name+" library in path "+getPath());
+ e.printStackTrace();
+ System.err.println("This jar file does not seem to fit your system, and I cannot find an installation of SimGrid.");
+ System.exit(1);
+ }
}
}
- private static void loadLib (String name) {
+ private static void loadLib (String name) throws SimGridLibNotFoundException {
String Path = NativeLib.getPath();
String filename=name;
in = NativeLib.class.getClassLoader().getResourceAsStream(Path+filename);
}
if (in == null) {
- throw new RuntimeException("Cannot find library "+name+" in path "+Path+". Sorry, but this jar does not seem to be usable on your machine.");
+ throw new SimGridLibNotFoundException("Cannot find library "+name+" in path "+Path+". Sorry, but this jar does not seem to be usable on your machine.");
}
try {
// We must write the lib onto the disk before loading it -- stupid operating systems
System.load(fileOut.getAbsolutePath());
} catch (Exception e) {
- System.err.println("Cannot load the bindings to the "+name+" library in path "+getPath());
- e.printStackTrace();
- System.err.println("This jar file does not seem to fit your system, sorry");
- System.exit(1);
+ throw new SimGridLibNotFoundException("Cannot load the bindings to the "+name+" library in path "+getPath(), e);
}
}
public static void main(String[] args) {
- System.out.println("This java library will try to load the native code under the following name:" +getPath());
+ if (args.length >= 1 && args[0].equals("--quiet"))
+ /* be careful, this execution path is used in buildtools/Cmake/Scripts/java_bundle.sh to determine where to put the libs */
+ System.out.println(getPath());
+ else
+ System.out.println("This java library will try to load the native code under the following name:\n" +getPath());
}
}
+
+class SimGridLibNotFoundException extends Exception {
+ private static final long serialVersionUID = 1L;
+ public SimGridLibNotFoundException(String msg) {
+ super(msg);
+ }
+
+ public SimGridLibNotFoundException(String msg, Exception e) {
+ super(msg,e);
+ }
+}
\ No newline at end of file