List of usage examples for java.lang System mapLibraryName
public static native String mapLibraryName(String libname);
From source file:com.mcreations.usb.windows.JavaxUsb.java
/** Load native library */ private static void loadLibrary() throws UsbException { if (libraryLoaded) return;//from w w w. j a v a 2s . c om try { log(LOG_HOTPLUG, FUNC, CLASS, "loadLibrary", "Getting java.library.path"); // String temp = "java.library.path="+System.getProperty("java.library.path"); // System.out.println("java.library.path="+System.getProperty("java.library.path")); System.loadLibrary(LIBRARY_NAME); } catch (Exception e) { throw new UsbException(EXCEPTION_WHILE_LOADING_SHARED_LIBRARY + " <" + System.mapLibraryName(LIBRARY_NAME) + "> : \n" + e.getMessage()); } catch (Error e) { throw new UsbException(ERROR_WHILE_LOADING_SHARED_LIBRARY + " <" + System.mapLibraryName(LIBRARY_NAME) + "> : \n" + e.getMessage()); } }
From source file:org.apache.sysml.utils.NativeHelper.java
/** * Attempts to load native BLAS/*w ww . j a v a 2 s . c o m*/ * * @param customLibPath can be null (if we want to only want to use LD_LIBRARY_PATH), else the * @param blas can be gomp, openblas or mkl_rt * @param optionalMsg message for debugging * @return true if successfully loaded BLAS */ private static boolean loadBLAS(String customLibPath, String blas, String optionalMsg) { // First attempt to load from custom library path if (customLibPath != null) { String libPath = customLibPath + File.separator + System.mapLibraryName(blas); try { System.load(libPath); // Print to stdout as this feature is intended for cloud environment System.out.println("Loaded the library:" + libPath); return true; } catch (UnsatisfiedLinkError e1) { // Print to stdout as this feature is intended for cloud environment System.out.println("Unable to load " + libPath + ":" + e1.getMessage()); } } // Then try loading using loadLibrary try { System.loadLibrary(blas); return true; } catch (UnsatisfiedLinkError e) { if (optionalMsg != null) LOG.debug("Unable to load " + blas + "(" + optionalMsg + "):" + e.getMessage()); else LOG.debug("Unable to load " + blas + ":" + e.getMessage()); return false; } }
From source file:SearchlistClassLoader.java
/** * return the pathname to the specified native library. * * If the library is not found on the searchpath, then <i>null</i> * is returned, indicating to the Java machine that it should search * java.library.path./*from ww w. ja v a 2 s. c o m*/ * * @param libname - the String name of the library to find * @return the full path to the found library file, or <i>null</i>. */ public String findLibrary(String libname) { String fileName = System.mapLibraryName(libname); System.out.println("findLibrary: looking in " + this + " for " + libname + " as " + fileName); int i, j; URL[] url; File dir, file; Loader ldr; for (i = 0; (ldr = getLoader(i++, searchMode)) != null; i++) { if (ldr.loader instanceof SearchlistClassLoader) url = ((SearchlistClassLoader) ldr.loader).getSearchPath(); else if (ldr.loader instanceof URLClassLoader) url = ((URLClassLoader) ldr.loader).getURLs(); else url = null; if (url != null) { for (j = 0; j < url.length; j++) { if (!url[j].getProtocol().equalsIgnoreCase("file")) continue; try { dir = new File(url[j].toURI()).getParentFile(); file = new File(dir, fileName); if (file.exists()) { System.out.println("found: " + file.getAbsolutePath()); return file.getAbsolutePath(); } } catch (Exception e) { System.out.println("Ignoring url: " + url[j] + ": " + e); } } } } // nothing found, use java.library.path return null; }
From source file:com.imagine.BaseActivity.java
String mainSOPath() {
String libname = "main";
return libDir() + "/" + System.mapLibraryName(libname);
}
From source file:com.microsoft.tfs.jni.loader.NativeLoader.java
/** * Loads a native library from a directory. * * @param libraryName/* w ww . j av a 2 s.c o m*/ * the library name (short name, not including extension or "lib" * prefix). Not null or empty. * @param directory * the path to the directory (not null). * @param osgiOperatingSystem * the OSGI-style operating system name to match resources on (not * null or empty). * @param osgiArchitecture * the OSGI-style architecture name. May be null or empty to omit the * architecture string from the resource path during the search. Mac * OS X uses "fat" shared libraries that support multiple * architectures, and would omit this parameter. * @throws UnsatisfiedLinkError * if a library that maps to the given library name cannot be found. */ private static void loadLibraryFromDirectory(final String libraryName, final String directory, final String osgiOperatingSystem, final String osgiArchitecture) { Check.notNullOrEmpty(libraryName, "libraryName"); //$NON-NLS-1$ Check.notNull(directory, "directory"); //$NON-NLS-1$ Check.notNull(osgiOperatingSystem, "osgiOperatingSystem"); //$NON-NLS-1$ final File libraryDirectory = new File(directory); if (libraryDirectory.exists() == false) { throw new UnsatisfiedLinkError(MessageFormat.format("Native library base directory {0} does not exist", //$NON-NLS-1$ libraryDirectory.getAbsolutePath())); } if (libraryDirectory.isDirectory() == false) { throw new UnsatisfiedLinkError( MessageFormat.format("Native library base directory {0} is not a directory", //$NON-NLS-1$ libraryDirectory.getAbsolutePath())); } /* * Compute the subdirectory (i.e. "linux/ppc") inside the base * directory. */ File fullDirectory = new File(libraryDirectory, osgiOperatingSystem); if (osgiArchitecture != null && osgiArchitecture.length() > 0) { fullDirectory = new File(fullDirectory, osgiArchitecture); } /* * Convert "fun" into "libfun.so" or "fun.dll" or whatever, depending on * platform. * * Oracle broke mapLibraryName on Java 7 so that it returns * libname.dylib instead of libname.jnilib. (System.loadLibrary * continues to use .jnilib, however, so this wasn't a change of the * expected extension, it's just broken.) So we need to transform names * ourselves on Mac OS. */ final String mappedLibraryName; if (Platform.isCurrentPlatform(Platform.MAC_OS_X)) { mappedLibraryName = "lib" + libraryName + ".jnilib"; //$NON-NLS-1$ //$NON-NLS-2$ } else { mappedLibraryName = System.mapLibraryName(libraryName); } /* * Construct the full path. */ final File fullLibraryFile = new File(fullDirectory, mappedLibraryName); if (fullLibraryFile.exists() == false) { throw new UnsatisfiedLinkError(MessageFormat.format("Native library file {0} does not exist", //$NON-NLS-1$ fullLibraryFile.getAbsolutePath())); } if (fullLibraryFile.isDirectory() == true) { throw new UnsatisfiedLinkError(MessageFormat.format("Native library file {0} is a directory", //$NON-NLS-1$ fullLibraryFile.getAbsolutePath())); } log.debug( MessageFormat.format("Trying to load native library file {0}", fullLibraryFile.getAbsolutePath())); //$NON-NLS-1$ System.load(fullLibraryFile.getAbsolutePath()); log.debug(MessageFormat.format("Loaded {0} from user-specified directory", //$NON-NLS-1$ fullLibraryFile.getAbsolutePath())); return; }
From source file:org.java.plugin.standard.StandardPluginClassLoader.java
/** * @see java.lang.ClassLoader#findLibrary(java.lang.String) *//*w w w . j ava 2s .c o m*/ protected String findLibrary(final String name) { if ((name == null) || "".equals(name.trim())) { //$NON-NLS-1$ return null; } if (log.isDebugEnabled()) { log.debug("findLibrary(String): name=" + name //$NON-NLS-1$ + ", this=" + this); //$NON-NLS-1$ } String libname = System.mapLibraryName(name); String result = null; PathResolver pathResolver = getPluginManager().getPathResolver(); for (Iterator it = getPluginDescriptor().getLibraries().iterator(); it.hasNext();) { Library lib = (Library) it.next(); if (lib.isCodeLibrary()) { continue; } URL libUrl = pathResolver.resolvePath(lib, lib.getPath() + libname); if (log.isDebugEnabled()) { log.debug("findLibrary(String): trying URL " + libUrl); //$NON-NLS-1$ } File libFile = IoUtil.url2file(libUrl); if (libFile != null) { if (log.isDebugEnabled()) { log.debug("findLibrary(String): URL " + libUrl //$NON-NLS-1$ + " resolved as local file " + libFile); //$NON-NLS-1$ } if (libFile.isFile()) { result = libFile.getAbsolutePath(); break; } continue; } // we have some kind of non-local URL // try to copy it to local temporary file libFile = (File) libraryCache.get(libUrl.toExternalForm()); if (libFile != null) { if (libFile.isFile()) { result = libFile.getAbsolutePath(); break; } libraryCache.remove(libUrl.toExternalForm()); } if (libraryCache.containsKey(libUrl.toExternalForm())) { // already tried to cache this library break; } libFile = cacheLibrary(libUrl, libname); if (libFile != null) { result = libFile.getAbsolutePath(); break; } } if (log.isDebugEnabled()) { log.debug("findLibrary(String): name=" + name //$NON-NLS-1$ + ", libname=" + libname //$NON-NLS-1$ + ", result=" + result //$NON-NLS-1$ + ", this=" + this); //$NON-NLS-1$ } return result; }
From source file:org.openmrs.module.ModuleClassLoader.java
/** * @see java.lang.ClassLoader#findLibrary(java.lang.String) *//*from w w w .j av a2 s.c o m*/ @Override protected String findLibrary(final String name) { if ((name == null) || "".equals(name.trim())) { return null; } if (log.isTraceEnabled()) { log.trace("findLibrary(String): name=" + name + ", this=" + this); } String libname = System.mapLibraryName(name); String result = null; //TODO //PathResolver pathResolver = ModuleFactory.getPathResolver(); // for (Library lib : getModule().getLibraries()) { // if (lib.isCodeLibrary()) { // continue; // } // URL libUrl = null; //pathResolver.resolvePath(lib, lib.getPath() + libname); // if (log.isDebugEnabled()) { // log.debug("findLibrary(String): trying URL " + libUrl); // } // File libFile = OpenmrsUtil.url2file(libUrl); // if (libFile != null) { // if (log.isDebugEnabled()) { // log.debug("findLibrary(String): URL " + libUrl // + " resolved as local file " + libFile); // } // if (libFile.isFile()) { // result = libFile.getAbsolutePath(); // break; // } // continue; // } // // we have some kind of non-local URL // // try to copy it to local temporary file // libFile = (File) libraryCache.get(libUrl); // if (libFile != null) { // if (libFile.isFile()) { // result = libFile.getAbsolutePath(); // break; // } // libraryCache.remove(libUrl); // } // if (libraryCache.containsKey(libUrl)) { // // already tried to cache this library // break; // } // libFile = cacheLibrary(libUrl, libname); // if (libFile != null) { // result = libFile.getAbsolutePath(); // break; // } // } if (log.isTraceEnabled()) { log.trace("findLibrary(String): name=" + name + ", libname=" + libname + ", result=" + result + ", this=" + this); } return result; }
From source file:org.opennms.install.Installer.java
/** * <p>findLibrary</p>//from w ww . ja v a 2s .c om * * @param libname a {@link java.lang.String} object. * @param path a {@link java.lang.String} object. * @param isRequired a boolean. * @return a {@link java.lang.String} object. * @throws java.lang.Exception if any. */ public String findLibrary(String libname, String path, boolean isRequired) throws Exception { String fullname = System.mapLibraryName(libname); ArrayList<String> searchPaths = new ArrayList<String>(); if (path != null) { for (String entry : path.split(File.pathSeparator)) { searchPaths.add(entry); } } try { File confFile = new File( m_opennms_home + File.separator + "etc" + File.separator + LIBRARY_PROPERTY_FILE); final Properties p = new Properties(); final InputStream is = new FileInputStream(confFile); p.load(is); is.close(); for (final Object k : p.keySet()) { String key = (String) k; if (key.startsWith("opennms.library")) { String value = p.getProperty(key); value = value.replaceAll(File.separator + "[^" + File.separator + "]*$", ""); searchPaths.add(value); } } } catch (Throwable e) { // ok if we can't read these, we'll try to find them } if (System.getProperty("java.library.path") != null) { for (final String entry : System.getProperty("java.library.path").split(File.pathSeparator)) { searchPaths.add(entry); } } if (!System.getProperty("os.name").contains("Windows")) { String[] defaults = { "/usr/lib/jni", "/usr/lib", "/usr/local/lib", "/opt/NMSjicmp/lib/32", "/opt/NMSjicmp/lib/64", "/opt/NMSjicmp6/lib/32", "/opt/NMSjicmp6/lib/64" }; for (final String entry : defaults) { searchPaths.add(entry); } } System.out.println("- searching for " + fullname + ":"); for (String dirname : searchPaths) { File entry = new File(dirname); if (entry.isFile()) { // if they specified a file, try the parent directory instead dirname = entry.getParent(); } String fullpath = dirname + File.separator + fullname; if (loadLibrary(fullpath)) { return fullpath; } if (fullname.endsWith(".dylib")) { final String fullPathOldExtension = fullpath.replace(".dylib", ".jnilib"); if (loadLibrary(fullPathOldExtension)) { return fullPathOldExtension; } } } if (isRequired) { StringBuffer buf = new StringBuffer(); for (final String pathEntry : System.getProperty("java.library.path").split(File.pathSeparator)) { buf.append(" "); buf.append(pathEntry); } throw new Exception("Failed to load the required " + libname + " library that is required at runtime. By default, we search the Java library path:" + buf.toString() + ". For more information, see http://www.opennms.org/index.php/" + libname); } else { System.out.println("- Failed to load the optional " + libname + " library."); System.out.println( " - This error is not fatal, since " + libname + " is only required for optional features."); System.out.println(" - For more information, see http://www.opennms.org/index.php/" + libname); } return null; }