Example usage for java.lang System mapLibraryName

Introduction

In this page you can find the example usage for java.lang System mapLibraryName.

Prototype

public static native String mapLibraryName(String libname);

Source Link

Document

Maps a library name into a platform-specific string representing a native library.

Usage

From source file:Main.java

public static void main(String[] args) {

    String str = System.mapLibraryName("os.name");
    System.out.println(str);
}

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From source file:org.caleydo.core.view.opengl.layout2.internal.SandBoxLibraryLoader.java

/**
 * extract the given library of the classpath and put it to a temporary file
 *//*from   w  w w .j a va  2s.  co m*/
public static File toTemporaryFile(String libName) throws IOException {
    // convert to native library name
    libName = System.mapLibraryName(libName);
    if (SystemUtils.IS_OS_MAC_OSX)
        libName = StringUtils.replace(libName, ".dylib", ".jnilib");

    // create
    String extension = Files.getFileExtension(libName);
    File file = File.createTempFile(StringUtils.removeEnd(libName, extension), "." + extension);
    file.deleteOnExit();

    URL res = SandBoxLibraryLoader.class.getResource("/" + libName);
    if (res == null)
        throw new FileNotFoundException("can't extract: " + libName);
    try (InputStream in = res.openStream();
            OutputStream to = new BufferedOutputStream(new FileOutputStream(file))) {
        ByteStreams.copy(in, to);
    } catch (IOException e) {
        System.err.println("can't extract: " + libName);
        e.printStackTrace();
        throw new FileNotFoundException("can't extract: " + libName);
    }
    return file;
}

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From source file:kyotocabinet.Loader.java

/**
 * Load the native library./*from ww  w  . jav  a  2  s.  c  om*/
 */
static synchronized void load() {
    if (loaded) {
        return;
    }
    String lib = System.mapLibraryName("jkyotocabinet");
    if (lib.endsWith(".dll")) {
        // lib?lib
        URL url = Loader.class.getClassLoader().getResource(System.mapLibraryName("jkyotocabinet"));
        String libFileName = "./temp" + File.separatorChar + System.mapLibraryName("jkyotocabinet");
        File file = new File(libFileName);
        try {
            FileUtils.copyURLToFile(url, file);
        } catch (IOException e) {
            throw new RuntimeException(e);
        }
        System.load(file.getAbsolutePath());
    } else {
        System.loadLibrary("jkyotocabinet");
    }
    loaded = true;
}

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From source file:org.mule.module.launcher.nativelib.AbstractNativeLibraryFinderTestCase.java

protected File createDefaultNativeLibraryFile(String libName) throws IOException {
    return createNativeLibraryFile(libFolder.getRoot(), System.mapLibraryName(libName));
}

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From source file:org.dmlc.xgboost4j.util.Initializer.java

/**
 * load native library, this method will first try to load library from java.library.path, then try to load library in jar package.
 * @param libName/*from  w ww  .ja  va2 s .c  o m*/
 * @throws IOException 
 */
private static void smartLoad(String libName) throws IOException {
    addNativeDir(nativePath);
    try {
        System.loadLibrary(libName);
    } catch (UnsatisfiedLinkError e) {
        try {
            NativeUtils.loadLibraryFromJar(nativeResourcePath + System.mapLibraryName(libName));
        } catch (IOException e1) {
            throw e1;
        }
    }
}

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From source file:org.cryptomator.jni.JniModule.java

@Provides
@Singleton//w w  w .  j  a va2  s.  c o  m
public Optional<MacFunctions> macFunctions(Lazy<MacFunctions> macFunctions) {
    if (SystemUtils.IS_OS_MAC_OSX) {
        try {
            System.loadLibrary(MacFunctions.LIB_NAME);
            LOG.info("loaded {}", System.mapLibraryName(MacFunctions.LIB_NAME));
            return Optional.of(macFunctions.get());
        } catch (UnsatisfiedLinkError e) {
            LOG.error("Could not load JNI lib {} from path {}", System.mapLibraryName(MacFunctions.LIB_NAME),
                    System.getProperty("java.library.path"));
        }
    }
    return Optional.empty();
}

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From source file:org.mule.module.launcher.nativelib.AbstractNativeLibraryFinderTestCase.java

protected String getJniLibFileName() {
    String libraryFileName = System.mapLibraryName(TEST_LIB_NAME);
    int index = libraryFileName.lastIndexOf(".");
    libraryFileName = libraryFileName.substring(0, index) + PerAppNativeLibraryFinder.JNILIB_EXTENSION;
    return libraryFileName;
}

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From source file:org.esa.s2tbx.dataio.NativeLibraryLoader.java

/**
 * Loads library either from the current JAR archive, or from file system
 * <p>/*from www  .ja v  a 2 s .co  m*/
 * The file from JAR is copied into system temporary directory and then loaded.
 *
 * @param path          The path from which the load is attempted
 * @param libraryName   The name of the library to be loaded (without extension)
 * @throws IOException              If temporary file creation or read/write operation fails
 */
public static void loadLibrary(String path, String libraryName) throws IOException {
    path = URLDecoder.decode(path, "UTF-8");
    String libPath = "/lib/" + NativeLibraryLoader.getOSFamily() + "/" + System.mapLibraryName(libraryName);
    if (path.contains(".jar!")) {
        try (InputStream in = NativeLibraryLoader.class.getResourceAsStream(libPath)) {
            File fileOut = new File(System.getProperty("java.io.tmpdir"), libPath);
            try (OutputStream out = FileUtils.openOutputStream(fileOut)) {
                IOUtils.copy(in, out);
            }
            path = fileOut.getAbsolutePath();
        }
    } else {
        path = new File(path, libPath).getAbsolutePath();
    }
    System.load(path);
}

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From source file:org.gradle.logging.internal.TerminalDetector.java

public TerminalDetector(File libCacheDir) {
    // Some hackery to prevent JNA from creating a shared lib in the tmp dir, as it does not clean things up
    File tmpDir = new File(libCacheDir, "jna");
    tmpDir.mkdirs();/*from  www.  j  av a 2s. c  o m*/
    String libName = OperatingSystem.current() instanceof OperatingSystem.MacOs ? "libjnidispatch.jnilib"
            : System.mapLibraryName("jnidispatch");
    File libFile = new File(tmpDir, libName);
    if (!libFile.exists()) {
        String resourceName = "/com/sun/jna/" + OperatingSystem.current().getNativePrefix() + "/" + libName;
        try {
            InputStream lib = getClass().getResourceAsStream(resourceName);
            if (lib == null) {
                throw new GradleException(
                        String.format("Could not locate JNA native lib resource '%s'.", resourceName));
            }
            try {
                FileOutputStream outputStream = new FileOutputStream(libFile);
                try {
                    IOUtils.copy(lib, outputStream);
                } finally {
                    outputStream.close();
                }
            } finally {
                lib.close();
            }
        } catch (IOException e) {
            throw new UncheckedIOException(e);
        }
    }
    System.setProperty("jna.boot.library.path", tmpDir.getAbsolutePath());
}

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From source file:hivemall.xgboost.NativeLibLoader.java

private static void tryLoadNativeLibFromResource(final String libName) {
    // Resolve the library file name with a suffix (e.g., dll, .so, etc.)
    String resolvedLibName = System.mapLibraryName(libName);

    if (!hasResource(libPath + resolvedLibName)) {
        if (!getOSName().equals("Mac")) {
            return;
        }//  www  .  ja  v  a 2  s .  c  om
        // Fix for openjdk7 for Mac
        // A detail of this workaround can be found in https://github.com/xerial/snappy-java/issues/6
        resolvedLibName = "lib" + libName + ".jnilib";
        if (hasResource(libPath + resolvedLibName)) {
            return;
        }
    }
    try {
        File tempFile = createTempFileFromResource(resolvedLibName,
                NativeLibLoader.class.getResourceAsStream(libPath + resolvedLibName));
        logger.info("Copyed the native library in JAR as " + tempFile.getAbsolutePath());
        addLibraryPath(tempFile.getParent());
    } catch (Exception e) {
        // Simply ignore it here
        logger.info(e.getMessage());
    }
}

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