List of usage examples for java.net URLClassLoader URLClassLoader
URLClassLoader(URL[] urls, AccessControlContext acc)
From source file:com.github.ukase.toolkit.jar.JarSource.java
@Autowired public JarSource(CompoundTemplateLoader templateLoader, UkaseSettings settings) { this.templateLoader = templateLoader; if (settings.getJar() == null) { classLoader = null;//from w w w . ja v a 2s . co m fonts = Collections.emptyList(); return; } try { URL jar = settings.getJar().toURI().toURL(); Collection<String> props = templateLoader.getResources(IS_HELPERS_CONFIGURATION); Properties properties = new Properties(); props.stream().map(templateLoader::getResource).filter(entry -> entry != null).map(this::mapZipEntry) .filter(stream -> stream != null).forEach(stream -> loadStreamToProperties(stream, properties)); properties.forEach(this::registerHelper); fonts = templateLoader.getResources(IS_FONT).parallelStream().map(font -> "jar:" + jar + "!/" + font) .collect(Collectors.toList()); if (hasHelpers()) { URL[] jars = new URL[] { jar }; classLoader = new URLClassLoader(jars, getClass().getClassLoader()); helpers.forEach((name, className) -> helpersInstances.put(name, getHelper(className))); } else { classLoader = null; } } catch (IOException e) { throw new IllegalStateException("Wrong configuration", e); } }
From source file:com.aliyun.fs.oss.utils.ResourceLoader.java
@SuppressWarnings("unchecked") public synchronized URLClassLoader getUrlClassLoader(Configuration conf) { if (urlClassLoader == null) { try {//from ww w .ja v a2 s. co m List<URL> urls = geClassLoaderURLs(conf); urlClassLoader = new URLClassLoader(urls.toArray(new URL[0]), null); } catch (Exception e) { throw new RuntimeException("Can not initialize OSS URLClassLoader, " + e.getMessage()); } } return urlClassLoader; }
From source file:org.apache.hama.monitor.Configurator.java
/** * Load jar from specified path.// w w w . jav a 2 s. com * * @param path to the jar file. * @param loader of the current thread. * @return task to be run. */ private static Task load(File path, ClassLoader loader) throws IOException { JarFile jar = new JarFile(path); Manifest manifest = jar.getManifest(); String pkg = manifest.getMainAttributes().getValue("Package"); String main = manifest.getMainAttributes().getValue("Main-Class"); if (null == pkg || null == main) throw new NullPointerException("Package or main class not found " + "in menifest file."); String namespace = pkg + File.separator + main; namespace = namespace.replaceAll(File.separator, "."); LOG.debug("Task class to be loaded: " + namespace); URLClassLoader child = new URLClassLoader(new URL[] { path.toURI().toURL() }, loader); Thread.currentThread().setContextClassLoader(child); Class<?> taskClass = null; try { taskClass = Class.forName(namespace, true, child); // task class } catch (ClassNotFoundException cnfe) { LOG.warn("Task class is not found.", cnfe); } if (null == taskClass) return null; try { return (Task) taskClass.newInstance(); } catch (InstantiationException ie) { LOG.warn("Unable to instantiate task class." + namespace, ie); } catch (IllegalAccessException iae) { LOG.warn(iae); } return null; }
From source file:net.sourceforge.mavenhippo.AbstractHippoMojo.java
protected ClassLoader getProjectClassloader() throws MojoExecutionException { try {/*from w w w . ja v a 2s. co m*/ if (projectClassloader == null) { Set<Artifact> artifacts = project.getArtifacts(); List<URL> urls = new ArrayList<URL>(); for (Artifact artifact : artifacts) { urls.add(artifact.getFile().toURI().toURL()); } if (getLog().isDebugEnabled()) { for (URL url : urls) { getLog().debug("Project dependency URL: " + url.toString()); } } projectClassloader = new URLClassLoader(urls.toArray(new URL[0]), this.getClass().getClassLoader()); } return projectClassloader; } catch (MalformedURLException e) { throw new MojoExecutionException(e.getLocalizedMessage(), e); } }
From source file:org.onecmdb.core.utils.transform.jdbc.JDBCDataSourceWrapper.java
public void setupDataSource(Properties p) throws IOException { // Load this under the provieded DriverLib class path. URLClassLoader loader = new URLClassLoader(getDriverLibURL(), this.getClass().getClassLoader()); Thread.currentThread().setContextClassLoader(loader); try {/*from w w w .java 2 s. c o m*/ Class driver = loader.loadClass(p.getProperty("jdbc.driverClass")); try { Object instance = driver.newInstance(); System.out.println("Instance...." + instance); } catch (InstantiationException e) { // TODO Auto-generated catch block e.printStackTrace(); } catch (IllegalAccessException e) { // TODO Auto-generated catch block e.printStackTrace(); } } catch (ClassNotFoundException e1) { // TODO Auto-generated catch block e1.printStackTrace(); } /* Class cl = null; String clazz = "org.apache.commons.dbcp.BasicDataSource"; try { cl = loader.loadClass(clazz); } catch (ClassNotFoundException e) { throw new IOException("Can't load class '" + clazz + "', using driver lib '" + driverLib + "'"); } BasicDataSource jdbcSrc; try { jdbcSrc = (BasicDataSource) cl.newInstance(); } catch (Exception e) { throw new IOException("Can't instanciate class '" + clazz + "', using driver lib '" + driverLib + "'"); } */ ClassLoaderBasicDataSource jdbcSrc = new ClassLoaderBasicDataSource(); jdbcSrc.setDriverClassLoader(loader); jdbcSrc.setUrl(p.getProperty("db.url")); jdbcSrc.setUrl(p.getProperty("jdbc.url")); jdbcSrc.setDriverClassName(p.getProperty("db.driverClass")); jdbcSrc.setDriverClassName(p.getProperty("jdbc.driverClass")); jdbcSrc.setUsername(p.getProperty("db.user")); jdbcSrc.setUsername(p.getProperty("jdbc.user")); jdbcSrc.setPassword(p.getProperty("db.password")); jdbcSrc.setPassword(p.getProperty("jdbc.password")); /* String clazz2 = "org.onecmdb.core.utils.transform.jdbc.ClassLoaderBasicDataSource"; try { cl = loader.loadClass(clazz2); } catch (ClassNotFoundException e) { throw new IOException("Can't load class '" + clazz + "', using driver lib '" + driverLib + "'"); } ClassLoaderBasicDataSource jdbcSrc1; try { jdbcSrc1 = (ClassLoaderBasicDataSource) cl.newInstance(); jdbcSrc1.setDs(jdbcSrc); } catch (Exception e) { throw new IOException("Can't instanciate class '" + clazz + "', using driver lib '" + driverLib + "'"); } */ setDataSource(jdbcSrc); }
From source file:org.cytoscape.app.internal.manager.SimpleApp.java
@Override public Object createAppInstance(CySwingAppAdapter appAdapter) throws AppInstanceException { File installFile = this.getAppTemporaryInstallFile(); if (installFile == null) { throw new AppInstanceException("No copy of app jar for instancing was found"); }/*from ww w.ja v a2 s .c o m*/ URL appURL = null; try { appURL = installFile.toURI().toURL(); } catch (MalformedURLException e) { throw new AppInstanceException( "Unable to obtain URL for file: " + installFile + ". Reason: " + e.getMessage()); } // TODO: Currently uses the CyAppAdapter's loader to load apps' classes. Is there reason to use a different one? ClassLoader appClassLoader = new URLClassLoader(new URL[] { appURL }, appAdapter.getClass().getClassLoader()); // Attempt to load the class Class<?> appEntryClass = null; try { appEntryClass = appClassLoader.loadClass(this.getEntryClassName()); } catch (ClassNotFoundException e) { throw new AppInstanceException("Class " + this.getEntryClassName() + " not found in URL: " + appURL); } // Attempt to obtain the constructor Constructor<?> constructor = null; try { try { constructor = appEntryClass.getConstructor(CyAppAdapter.class); } catch (SecurityException e) { throw new AppInstanceException("Access to the constructor for " + appEntryClass + " denied."); } catch (NoSuchMethodException e) { throw new AppInstanceException("Unable to find a constructor for " + appEntryClass + " that takes a CyAppAdapter as its argument."); } } catch (AppInstanceException e) { try { constructor = appEntryClass.getConstructor(CySwingAppAdapter.class); } catch (SecurityException e2) { throw new AppInstanceException("Access to the constructor for " + appEntryClass + " taking a CySwingAppAdapter as its argument denied."); } catch (NoSuchMethodException e2) { throw new AppInstanceException("Unable to find an accessible constructor that takes either" + " a CyAppAdapter or a CySwingAppAdapter as its argument."); } } // Attempt to instantiate the app's class that extends AbstractCyApp or AbstractCySwingApp. Object appInstance = null; try { appInstance = constructor.newInstance(appAdapter); } catch (IllegalArgumentException e) { throw new AppInstanceException( "Illegal arguments passed to the constructor for the app's entry class: " + e.getMessage()); } catch (InstantiationException e) { throw new AppInstanceException( "Error instantiating the class " + appEntryClass + ": " + e.getMessage()); } catch (IllegalAccessException e) { throw new AppInstanceException("Access to constructor denied: " + e.getMessage()); } catch (InvocationTargetException e) { e.printStackTrace(); throw new AppInstanceException("App constructor threw exception: " + e.toString()); } return appInstance; }
From source file:io.ingenieux.lambada.maven.AbstractLambadaMetadataMojo.java
public void setClasspathUrls(ConfigurationBuilder configurationBuilder) { List<String> classpathElements = null; try {//from w ww . j av a2 s . c o m classpathElements = project.getCompileClasspathElements(); List<URL> projectClasspathList = new ArrayList<URL>(); for (String element : classpathElements) { projectClasspathList.add(new File(element).toURI().toURL()); } configurationBuilder.addUrls(projectClasspathList); configurationBuilder.addClassLoader(new URLClassLoader(projectClasspathList.toArray(new URL[0]), Thread.currentThread().getContextClassLoader())); } catch (Exception e) { throw new RuntimeException(e.getMessage()); } }
From source file:io.cloudslang.runtime.impl.java.JavaExecutor.java
JavaExecutor(Set<String> filePaths) {
logger.info("Creating java classloader with [" + filePaths.size() + "] dependencies [" + filePaths + "]");
if (!filePaths.isEmpty()) {
Set<URL> result = Sets.newHashSet();
for (String filePath : filePaths) {
try {
result.add(new File(filePath).toURI().toURL());
} catch (MalformedURLException e) {
logger.error("Failed to add to the classloader path [" + filePath + "]", e);
}/* w ww .jav a2s . c o m*/
}
classLoader = new URLClassLoader(result.toArray(new URL[result.size()]), PARENT_CLASS_LOADER);
} else {
// no dependencies - use application classloader
classLoader = getClass().getClassLoader();
}
}
From source file:org.apache.axis.components.compiler.Javac.java
private ClassLoader getClassLoader() { // Use reflection to be able to build on all JDKs ClassLoader cl = Thread.currentThread().getContextClassLoader(); URL toolsURL = null;/*ww w . j av a 2 s.c om*/ String tools = System.getProperty("java.home"); if (tools != null) { File f = new File(tools + "/../lib/tools.jar"); if (f.exists()) { try { toolsURL = f.toURL(); cl = new URLClassLoader(new URL[] { toolsURL }, cl); } catch (MalformedURLException e) { } } } return cl; }
From source file:com.mg.jet.birt.report.data.oda.ejbql.HibernateUtil.java
private static synchronized void initSessionFactory(String hibfile, String mapdir, String jndiName) throws HibernateException { //ClassLoader cl1; if (sessionFactory == null) { if (jndiName == null || jndiName.trim().length() == 0) jndiName = CommonConstant.DEFAULT_JNDI_URL; Context initCtx = null;/*from w w w . j a va 2s .c om*/ try { initCtx = new InitialContext(); sessionFactory = (SessionFactory) initCtx.lookup(jndiName); return; } catch (Exception e) { logger.log(Level.INFO, "Unable to get JNDI data source connection", e); } finally { if (initCtx != null) try { initCtx.close(); } catch (NamingException e) { //ignore } } Thread thread = Thread.currentThread(); try { //Class.forName("org.hibernate.Configuration"); //Configuration ffff = new Configuration(); //Class.forName("org.apache.commons.logging.LogFactory"); oldloader = thread.getContextClassLoader(); //Class thwy = oldloader.loadClass("org.hibernate.cfg.Configuration"); //Class thwy2 = oldloader.loadClass("org.apache.commons.logging.LogFactory"); //refreshURLs(); //ClassLoader changeLoader = new URLClassLoader( (URL [])URLList.toArray(new URL[0]),HibernateUtil.class.getClassLoader()); ClassLoader testLoader = new URLClassLoader((URL[]) URLList.toArray(new URL[0]), pluginLoader); //changeLoader = new URLClassLoader( (URL [])URLList.toArray(new URL[0])); thread.setContextClassLoader(testLoader); //Class thwy2 = changeLoader.loadClass("org.hibernate.cfg.Configuration"); //Class.forName("org.apache.commons.logging.LogFactory", true, changeLoader); //Class cls = Class.forName("org.hibernate.cfg.Configuration", true, changeLoader); //Configuration cfg=null; //cfg = new Configuration(); //Object oo = cls.newInstance(); //Configuration cfg = (Configuration)oo; Configuration cfg = new Configuration(); buildConfig(hibfile, mapdir, cfg); Class<? extends Driver> driverClass = testLoader .loadClass(cfg.getProperty("connection.driver_class")).asSubclass(Driver.class); Driver driver = driverClass.newInstance(); WrappedDriver wd = new WrappedDriver(driver, cfg.getProperty("connection.driver_class")); boolean foundDriver = false; Enumeration<Driver> drivers = DriverManager.getDrivers(); while (drivers.hasMoreElements()) { Driver nextDriver = (Driver) drivers.nextElement(); if (nextDriver.getClass() == wd.getClass()) { if (nextDriver.toString().equals(wd.toString())) { foundDriver = true; break; } } } if (!foundDriver) { DriverManager.registerDriver(wd); } sessionFactory = cfg.buildSessionFactory(); //configuration = cfg; HibernateMapDirectory = mapdir; HibernateConfigFile = hibfile; } catch (Throwable e) { e.printStackTrace(); throw new HibernateException("No Session Factory Created " + e.getLocalizedMessage(), e); } finally { thread.setContextClassLoader(oldloader); } } }