/**
* Load a system library from a stream. Copies the library to a temp file and loads from there.
*
* @param libname name of the library (just used in constructing the library name)
* @param is InputStream pointing to the library
*/
private void loadLibraryFromStream(String libname, InputStream is) {
try {
File tempfile = createTempFile(libname);
OutputStream os = new FileOutputStream(tempfile);
logger.debug("tempfile.getPath() = " + tempfile.getPath());
long savedTime = System.currentTimeMillis();
// Leo says 8k block size is STANDARD ;)
byte buf[] = new byte[8192];
int len;
while ((len = is.read(buf)) > 0) {
os.write(buf, 0, len);
}
os.flush();
InputStream lock = new FileInputStream(tempfile);
os.close();
double seconds = (double) (System.currentTimeMillis() - savedTime) / 1e3;
logger.debug("Copying took " + seconds + " seconds.");
logger.debug("Loading library from " + tempfile.getPath() + ".");
System.load(tempfile.getPath());
lock.close();
} catch (IOException io) {
logger.error("Could not create the temp file: " + io.toString() + ".\n");
} catch (UnsatisfiedLinkError ule) {
logger.error("Couldn't load copied link file: " + ule.toString() + ".\n");
throw ule;
}
}
static {
System.load(
(new File("/home/gathors/proj/v-opencv/FeatureMatching/libs/libopencv_java2412.so"))
.getAbsolutePath());
System.load(
(new File("/home/gathors/proj/v-opencv/FeatureMatching/libs/libopencv_highgui.so"))
.getAbsolutePath());
}
private static boolean loadLibraryFromAol(String aol) {
String name = System.mapLibraryName("javalibusb1-" + VERSION);
String p = "lib/" + aol + "/jni/" + name;
URL url = libusb1.class.getClassLoader().getResource(p);
if (url == null) {
return false;
}
File file = new File(url.getPath());
if (file.canRead()) {
System.load(file.getAbsolutePath());
return true;
}
OutputStream os = null;
InputStream is = null;
try {
file = File.createTempFile("javalibusb1", "");
is = url.openStream();
os = new FileOutputStream(file);
file.deleteOnExit();
byte buffer[] = new byte[128 * 1024];
int read = is.read(buffer);
while (read > 0) {
os.write(buffer, 0, read);
read = is.read(buffer);
}
closeSilently(os);
closeSilently(is);
System.load(file.getAbsolutePath());
return true;
} catch (IOException e) {
throw new RuntimeException("Unable to load native library", e);
} finally {
if (file != null) {
file.delete();
}
closeSilently(os);
closeSilently(is);
}
}
private static boolean loadFromPath(String path) {
try {
System.load(path);
return true;
} catch (Exception e) {
return false;
}
}
static boolean loadNSPR(String libdir) throws Exception {
// load NSS softoken dependencies in advance to avoid resolver issues
try {
System.load(libdir + System.mapLibraryName(NSPR_PREFIX + "nspr4"));
} catch (UnsatisfiedLinkError e) {
// GLIBC problem on older linux-amd64 machines
if (libdir.contains("linux-amd64")) {
System.out.println(e);
System.out.println("NSS does not work on this platform, skipping.");
return false;
}
throw e;
}
System.load(libdir + System.mapLibraryName(NSPR_PREFIX + "plc4"));
System.load(libdir + System.mapLibraryName(NSPR_PREFIX + "plds4"));
return true;
}
static {
String path = "";
try {
path = new File("Teste13native.dll").getCanonicalPath().toString();
System.out.println(path);
} catch (Exception e) {
System.out.println(e);
}
// System.loadLibrary("Teste13native");
System.load(path);
}
// This is an entry point of a loader and
// it needs to be thread-safe.
public void load() {
if (isLoaded) return;
try {
nativeLibFile = findNativeLibrary();
// Load a specified native library
System.load(nativeLibFile.getAbsolutePath());
isLoaded = true;
} catch (Exception e) {
throw new RuntimeException();
}
}
// modify by zenki-zha-xxx
static {
IEngineService ies = (IEngineService) ERManager.getService(ERManager.ERENGINE_SERVICE);
String libPath = ies.getConfig().getLibraryPath();
String soPath = libPath + File.separator + "libDeflatingDecompressor-v3.so";
try {
if (libPath.equals(EngineConfig.DEFAULT_LIBRARY_LOCAL)) {
System.loadLibrary("DeflatingDecompressor-v3");
} else {
System.load(soPath);
}
} catch (Exception e) {
Logger.eLog("EREngine", "load libDeflatingDecompressor-v3.so = " + e.getMessage());
}
}