List of usage examples for java.net URLClassLoader URLClassLoader
URLClassLoader(URL[] urls, AccessControlContext acc)
From source file:org.jenkinsci.maven.plugins.hpi.AbstractHpiMojo.java
/** * Is the dynamic loading supported?/*from w w w .jav a2 s . c o m*/ * * False, if the answer is known to be "No". Otherwise null, if there are some extensions * we don't know we can dynamic load. Otherwise, if everything is known to be dynamic loadable, return true. */ protected Boolean isSupportDynamicLoading() throws IOException { URLClassLoader cl = new URLClassLoader( new URL[] { new File(project.getBuild().getOutputDirectory()).toURI().toURL() }, getClass().getClassLoader()); EnumSet<YesNoMaybe> e = EnumSet.noneOf(YesNoMaybe.class); for (IndexItem<Extension, Object> i : Index.load(Extension.class, Object.class, cl)) { e.add(i.annotation().dynamicLoadable()); } if (e.contains(YesNoMaybe.NO)) return false; if (e.contains(YesNoMaybe.MAYBE)) return null; return true; }
From source file:com.threerings.getdown.data.Application.java
/** * Runs this application directly in the current VM. *//*from w w w . jav a2 s.c om*/ public void invokeDirect(JApplet applet) throws IOException { ClassPath classPath = ClassPaths.buildClassPath(this); URL[] jarUrls = classPath.asUrls(); // create custom class loader URLClassLoader loader = new URLClassLoader(jarUrls, ClassLoader.getSystemClassLoader()) { @Override protected PermissionCollection getPermissions(CodeSource code) { Permissions perms = new Permissions(); perms.add(new AllPermission()); return perms; } }; Thread.currentThread().setContextClassLoader(loader); log.info("Configured URL class loader:"); for (URL url : jarUrls) log.info(" " + url); // configure any system properties that we can for (String jvmarg : _jvmargs) { if (jvmarg.startsWith("-D")) { jvmarg = processArg(jvmarg.substring(2)); int eqidx = jvmarg.indexOf("="); if (eqidx == -1) { log.warning("Bogus system property: '" + jvmarg + "'?"); } else { System.setProperty(jvmarg.substring(0, eqidx), jvmarg.substring(eqidx + 1)); } } } // pass along any pass-through arguments Map<String, String> passProps = new HashMap<String, String>(); for (Map.Entry<Object, Object> entry : System.getProperties().entrySet()) { String key = (String) entry.getKey(); if (key.startsWith(PROP_PASSTHROUGH_PREFIX)) { key = key.substring(PROP_PASSTHROUGH_PREFIX.length()); passProps.put(key, (String) entry.getValue()); } } // we can't set these in the above loop lest we get a ConcurrentModificationException for (Map.Entry<String, String> entry : passProps.entrySet()) { System.setProperty(entry.getKey(), entry.getValue()); } // make a note that we're running in "applet" mode System.setProperty("applet", "true"); // prepare our app arguments String[] args = new String[_appargs.size()]; for (int ii = 0; ii < args.length; ii++) args[ii] = processArg(_appargs.get(ii)); try { log.info("Loading " + _class); Class<?> appclass = loader.loadClass(_class); Method main; try { // first see if the class has a special applet-aware main main = appclass.getMethod("main", JApplet.class, SA_PROTO.getClass()); log.info("Invoking main(JApplet, {" + StringUtil.join(args, ", ") + "})"); main.invoke(null, new Object[] { applet, args }); } catch (NoSuchMethodException nsme) { main = appclass.getMethod("main", SA_PROTO.getClass()); log.info("Invoking main({" + StringUtil.join(args, ", ") + "})"); main.invoke(null, new Object[] { args }); } } catch (Exception e) { e.printStackTrace(System.err); } }
From source file:azkaban.webapp.AzkabanWebServer.java
private static void loadViewerPlugins(Context root, String pluginPath, VelocityEngine ve) { File viewerPluginPath = new File(pluginPath); if (!viewerPluginPath.exists()) { return;/* www .jav a2 s. c o m*/ } ClassLoader parentLoader = AzkabanWebServer.class.getClassLoader(); File[] pluginDirs = viewerPluginPath.listFiles(); ArrayList<String> jarPaths = new ArrayList<String>(); for (File pluginDir : pluginDirs) { if (!pluginDir.exists()) { logger.error("Error viewer plugin path " + pluginDir.getPath() + " doesn't exist."); continue; } if (!pluginDir.isDirectory()) { logger.error("The plugin path " + pluginDir + " is not a directory."); continue; } // Load the conf directory File propertiesDir = new File(pluginDir, "conf"); Props pluginProps = null; if (propertiesDir.exists() && propertiesDir.isDirectory()) { File propertiesFile = new File(propertiesDir, "plugin.properties"); File propertiesOverrideFile = new File(propertiesDir, "override.properties"); if (propertiesFile.exists()) { if (propertiesOverrideFile.exists()) { pluginProps = PropsUtils.loadProps(null, propertiesFile, propertiesOverrideFile); } else { pluginProps = PropsUtils.loadProps(null, propertiesFile); } } else { logger.error("Plugin conf file " + propertiesFile + " not found."); continue; } } else { logger.error("Plugin conf path " + propertiesDir + " not found."); continue; } String pluginName = pluginProps.getString("viewer.name"); String pluginWebPath = pluginProps.getString("viewer.path"); String pluginJobTypes = pluginProps.getString("viewer.jobtypes", null); int pluginOrder = pluginProps.getInt("viewer.order", 0); boolean pluginHidden = pluginProps.getBoolean("viewer.hidden", false); List<String> extLibClasspath = pluginProps.getStringList("viewer.external.classpaths", (List<String>) null); String pluginClass = pluginProps.getString("viewer.servlet.class"); if (pluginClass == null) { logger.error("Viewer class is not set."); } else { logger.error("Plugin class " + pluginClass); } URLClassLoader urlClassLoader = null; File libDir = new File(pluginDir, "lib"); if (libDir.exists() && libDir.isDirectory()) { File[] files = libDir.listFiles(); ArrayList<URL> urls = new ArrayList<URL>(); for (int i = 0; i < files.length; ++i) { try { URL url = files[i].toURI().toURL(); urls.add(url); } catch (MalformedURLException e) { logger.error(e); } } // Load any external libraries. if (extLibClasspath != null) { for (String extLib : extLibClasspath) { File extLibFile = new File(pluginDir, extLib); if (extLibFile.exists()) { if (extLibFile.isDirectory()) { // extLibFile is a directory; load all the files in the // directory. File[] extLibFiles = extLibFile.listFiles(); for (int i = 0; i < extLibFiles.length; ++i) { try { URL url = extLibFiles[i].toURI().toURL(); urls.add(url); } catch (MalformedURLException e) { logger.error(e); } } } else { // extLibFile is a file try { URL url = extLibFile.toURI().toURL(); urls.add(url); } catch (MalformedURLException e) { logger.error(e); } } } else { logger.error("External library path " + extLibFile.getAbsolutePath() + " not found."); continue; } } } urlClassLoader = new URLClassLoader(urls.toArray(new URL[urls.size()]), parentLoader); } else { logger.error("Library path " + libDir.getAbsolutePath() + " not found."); continue; } Class<?> viewerClass = null; try { viewerClass = urlClassLoader.loadClass(pluginClass); } catch (ClassNotFoundException e) { logger.error("Class " + pluginClass + " not found."); continue; } String source = FileIOUtils.getSourcePathFromClass(viewerClass); logger.info("Source jar " + source); jarPaths.add("jar:file:" + source); Constructor<?> constructor = null; try { constructor = viewerClass.getConstructor(Props.class); } catch (NoSuchMethodException e) { logger.error("Constructor not found in " + pluginClass); continue; } Object obj = null; try { obj = constructor.newInstance(pluginProps); } catch (Exception e) { logger.error(e); logger.error(e.getCause()); } if (!(obj instanceof AbstractAzkabanServlet)) { logger.error("The object is not an AbstractAzkabanServlet"); continue; } AbstractAzkabanServlet avServlet = (AbstractAzkabanServlet) obj; root.addServlet(new ServletHolder(avServlet), "/" + pluginWebPath + "/*"); PluginRegistry.getRegistry().register( new ViewerPlugin(pluginName, pluginWebPath, pluginOrder, pluginHidden, pluginJobTypes)); } // Velocity needs the jar resource paths to be set. String jarResourcePath = StringUtils.join(jarPaths, ", "); logger.info("Setting jar resource path " + jarResourcePath); ve.addProperty("jar.resource.loader.path", jarResourcePath); }
From source file:com.gatf.generator.core.GatfTestGeneratorMojo.java
@SuppressWarnings({ "unchecked", "rawtypes" })
private ClassLoader getClassLoader() {
if (project != null) {
try {/* w w w . j a va 2 s . c o m*/
List classpathElements = project.getCompileClasspathElements();
classpathElements.add(project.getBuild().getOutputDirectory());
classpathElements.add(project.getBuild().getTestOutputDirectory());
URL[] urls = new URL[classpathElements.size()];
for (int i = 0; i < classpathElements.size(); i++) {
urls[i] = new File((String) classpathElements.get(i)).toURI().toURL();
}
return new URLClassLoader(urls, getClass().getClassLoader());
} catch (Exception e) {
getLog().error("Couldn't get the classloader.");
}
}
return getClass().getClassLoader();
}
From source file:au.org.ala.delta.util.Utils.java
private static void launchIntkeyViaClassLoader(String inputFile) throws Exception { // Gah.... this is a horrible work around for the fact that // the swing application framework relies on a static // Application instance so we can't have the Editor and // Intkey playing together nicely in the same JVM. // It doesn't really work properly anyway, the swing application // framework generates exceptions during loading and saving // state due to failing instanceof checks. String classPath = System.getProperty("java.class.path"); String[] path = classPath.split(File.pathSeparator); List<URL> urls = new ArrayList<URL>(); for (String pathEntry : path) { urls.add(new File(pathEntry).toURI().toURL()); }//from w w w . j a va 2 s .c o m ClassLoader intkeyLoader = new URLClassLoader(urls.toArray(new URL[0]), ClassLoader.getSystemClassLoader().getParent()); Class<?> intkey = intkeyLoader.loadClass("au.org.ala.delta.intkey.Intkey"); Method main = intkey.getMethod("main", String[].class); main.invoke(null, (Object) new String[] { inputFile }); }
From source file:org.apache.openejb.config.DeploymentLoader.java
public static void addBeansXmls(final WebModule webModule) { final List<URL> urls = webModule.getScannableUrls(); // parent returns nothing when calling getresources because we don't want here to be fooled by maven classloader final URLClassLoader loader = new URLClassLoader(urls.toArray(new URL[urls.size()]), new EmptyResourcesClassLoader()); final List<URL> xmls = new LinkedList<>(); try {/*from w ww .j a v a2 s.c o m*/ final URL e = (URL) webModule.getAltDDs().get("beans.xml"); if (e != null) { // first! xmls.add(e); } xmls.addAll(Collections.list(loader.getResources("META-INF/beans.xml"))); } catch (final IOException e) { return; } final CompositeBeans complete = new CompositeBeans(); for (final URL url : xmls) { if (url == null) { continue; } mergeBeansXml(complete, url); } if (!complete.getDiscoveryByUrl().isEmpty()) { complete.removeDuplicates(); webModule.getAltDDs().put("beans.xml", complete); } }
From source file:org.ow2.mind.unit.Launcher.java
/** * Inspired from org.ow2.mind.cli.SrcPathOptionHandler. * We extend the original ClassLoader by using it as a parent to a new ClassLoader. * Valid test folders are taken from this class urlList attribute. * We also extend the ClassLoader to the current jar in order to use local (hidden) * resources./*from w w w . ja v a 2s .c om*/ */ protected void addTestFoldersToPath() { // get the --src-path elements URLClassLoader srcPathClassLoader = (URLClassLoader) SrcPathOptionHandler .getSourceClassLoader(compilerContext); // URL array of test path, replace the original source class-loader with our enriched one // and use the original source class-loader as parent so as to keep everything intact ClassLoader srcAndTestPathClassLoader = new URLClassLoader(urlList.toArray(new URL[0]), srcPathClassLoader); // replace the original source classloader with the new one in the context compilerContext.remove("classloader"); compilerContext.put("classloader", srcAndTestPathClassLoader); }
From source file:org.apache.myfaces.trinidadbuild.plugin.tagdoc.TagdocReport.java
private ClassLoader createCompileClassLoader(MavenProject project) throws MavenReportException { Thread current = Thread.currentThread(); ClassLoader cl = current.getContextClassLoader(); try {//w w w . java 2 s . c o m List classpathElements = project.getCompileClasspathElements(); if (!classpathElements.isEmpty()) { String[] entries = (String[]) classpathElements.toArray(new String[0]); URL[] urls = new URL[entries.length]; for (int i = 0; i < urls.length; i++) { urls[i] = new File(entries[i]).toURL(); } cl = new URLClassLoader(urls, cl); } } catch (DependencyResolutionRequiredException e) { throw new MavenReportException("Error calculating scope classpath", e); } catch (MalformedURLException e) { throw new MavenReportException("Error calculating scope classpath", e); } return cl; }
From source file:org.apache.geronimo.console.databasemanager.wizard.DatabasePoolPortlet.java
/** * WARNING: This method relies on having access to the same repository * URLs as the server uses.//from w w w.ja v a 2 s .c o m * * @param request portlet request * @param data info about jars to include * @return driver class */ private static Class attemptDriverLoad(PortletRequest request, PoolData data) { List<URL> list = new ArrayList<URL>(); try { String[] jars = data.getJars(); if (jars == null) { log.error("Driver load failed since no jar files were selected."); return null; } ListableRepository[] repos = PortletManager.getCurrentServer(request).getRepositories(); for (String jar : jars) { Artifact artifact = Artifact.create(jar); for (ListableRepository repo : repos) { File url = repo.getLocation(artifact); if (url != null) { list.add(url.toURI().toURL()); } } } URLClassLoader loader = new URLClassLoader(list.toArray(new URL[list.size()]), DatabasePoolPortlet.class.getClassLoader()); try { return loader.loadClass(data.driverClass); } catch (ClassNotFoundException e) { return null; } } catch (Exception e) { e.printStackTrace(); return null; } }
From source file:org.apache.lens.driver.jdbc.TestColumnarSQLRewriter.java
/** * Test replace db name.//from w w w. j a v a2 s.c o m * * @throws Exception the exception */ @Test public void testReplaceDBName() throws Exception { File jarDir = new File("target/testjars"); File testJarFile = new File(jarDir, "test.jar"); File serdeJarFile = new File(jarDir, "serde.jar"); URL[] serdeUrls = new URL[2]; serdeUrls[0] = new URL("file:" + testJarFile.getAbsolutePath()); serdeUrls[1] = new URL("file:" + serdeJarFile.getAbsolutePath()); URLClassLoader createTableClassLoader = new URLClassLoader(serdeUrls, hconf.getClassLoader()); ClassLoader loader = new URLClassLoader(serdeUrls, SessionState.getSessionConf().getClassLoader()); SessionState.getSessionConf().setClassLoader(loader); // Create test table Database database = new Database(); database.setName("mydb"); try { Hive.get(hconf).createDatabase(database); SessionState.get().setCurrentDatabase("mydb"); createTable(hconf, "mydb", "mytable", "testDB", "testTable_1"); createTable(hconf, "mydb", "mytable_2", "testDB", "testTable_2"); createTable(hconf, "default", "mytable_3", "testDB", "testTable_3"); } catch (AlreadyExistsException e) { //pass } String query = "SELECT * FROM mydb.mytable t1 JOIN mytable_2 t2 ON t1.t2id = t2.id " + " left outer join default.mytable_3 t3 on t2.t3id = t3.id " + "WHERE A = 100"; ColumnarSQLRewriter rewriter = new ColumnarSQLRewriter(); rewriter.init(conf); rewriter.ast = HQLParser.parseHQL(query, hconf); rewriter.query = query; rewriter.analyzeInternal(conf, hconf); String joinTreeBeforeRewrite = HQLParser.getString(rewriter.fromAST); System.out.println(joinTreeBeforeRewrite); // Rewrite rewriter.replaceWithUnderlyingStorage(hconf); String joinTreeAfterRewrite = HQLParser.getString(rewriter.fromAST); System.out.println("joinTreeAfterRewrite:" + joinTreeAfterRewrite); // Tests assertTrue(joinTreeBeforeRewrite.contains("mydb")); assertTrue(joinTreeBeforeRewrite.contains("mytable") && joinTreeBeforeRewrite.contains("mytable_2") && joinTreeBeforeRewrite.contains("mytable_3")); assertFalse(joinTreeAfterRewrite.contains("mydb")); assertFalse(joinTreeAfterRewrite.contains("mytable") && joinTreeAfterRewrite.contains("mytable_2") && joinTreeAfterRewrite.contains("mytable_3")); assertTrue(joinTreeAfterRewrite.contains("testdb")); assertTrue(joinTreeAfterRewrite.contains("testtable_1") && joinTreeAfterRewrite.contains("testtable_2") && joinTreeAfterRewrite.contains("testtable_3")); // Rewrite one more query where table and db name is not set createTable(hconf, "mydb", "mytable_4", null, null); String query2 = "SELECT * FROM mydb.mytable_4 WHERE a = 100"; rewriter.ast = HQLParser.parseHQL(query2, hconf); rewriter.query = query2; rewriter.analyzeInternal(conf, hconf); joinTreeBeforeRewrite = HQLParser.getString(rewriter.fromAST); System.out.println(joinTreeBeforeRewrite); // Rewrite rewriter.replaceWithUnderlyingStorage(hconf); joinTreeAfterRewrite = HQLParser.getString(rewriter.fromAST); System.out.println(joinTreeAfterRewrite); // Rewrite should not replace db and table name since its not set assertEquals(joinTreeAfterRewrite, joinTreeBeforeRewrite); // Test a query with default db Hive.get().dropTable("mydb", "mytable"); database = new Database(); database.setName("examples"); Hive.get().createDatabase(database); createTable(hconf, "examples", "mytable", "default", null); String defaultQuery = "SELECT * FROM examples.mytable t1 WHERE A = 100"; rewriter.ast = HQLParser.parseHQL(defaultQuery, hconf); rewriter.query = defaultQuery; rewriter.analyzeInternal(conf, hconf); joinTreeBeforeRewrite = HQLParser.getString(rewriter.fromAST); rewriter.replaceWithUnderlyingStorage(hconf); joinTreeAfterRewrite = HQLParser.getString(rewriter.fromAST); assertTrue(joinTreeBeforeRewrite.contains("examples"), joinTreeBeforeRewrite); assertFalse(joinTreeAfterRewrite.contains("examples"), joinTreeAfterRewrite); System.out.println("default case: " + joinTreeAfterRewrite); Hive.get().dropTable("examples", "mytable"); Hive.get().dropTable("mydb", "mytable_2"); Hive.get().dropTable("default", "mytable_3"); Hive.get().dropTable("mydb", "mytable_4"); Hive.get().dropDatabase("mydb", true, true, true); Hive.get().dropDatabase("examples", true, true, true); SessionState.get().setCurrentDatabase("default"); }