Examples with URLClassLoader java.net.URLClassLoader used on opensource projects

Example 46 with URLClassLoader

use of java.net.URLClassLoader in project pinpoint by naver.

the class TestBootstrapClass method test.

@Test
public void test() throws ClassNotFoundException, NoSuchMethodException, InvocationTargetException, IllegalAccessException, IOException, CannotCompileException {
    URLClassLoader classLoader = new URLClassLoader(new URL[] {});
    LoaderClassPath loaderClassPath = new LoaderClassPath(classLoader);
    ClassPool cp = new ClassPool();
    cp.appendClassPath(loaderClassPath);
    CtClass ctClass = cp.makeClass(TEST_CLASS_NAME);
    byte[] bytes = ctClass.toBytecode();
    logger.debug(classLoader.getClass().getName());
    Class<?> aClass = BytecodeUtils.defineClass(classLoader, TEST_CLASS_NAME, bytes);
    logger.debug("{}", aClass.getName());
}

Example 47 with URLClassLoader

use of java.net.URLClassLoader in project pinpoint by naver.

the class HierarchyMultipleClassPoolTest method testTestClass.

@Test
public void testTestClass() throws Exception {
    NamedClassPool pool = new NamedClassPool("test");
    pool.childFirstLookup = true;
    HierarchyMultipleClassPool multipleClassPool = new HierarchyMultipleClassPool(pool);
    ClassLoader classLoader = new URLClassLoader(new URL[0], ClassLoader.getSystemClassLoader());
    multipleClassPool.getClassPool(classLoader);
    logger.debug("size {}", multipleClassPool.size());
    for (NamedClassPool classPool1 : multipleClassPool.values()) {
        logger.debug("classPool:{} name:{}", classPool1, classPool1.getName());
    }
    Assert.assertEquals(2, multipleClassPool.size());
}

Example 48 with URLClassLoader

use of java.net.URLClassLoader in project generator by mybatis.

the class ClassloaderUtility method getCustomClassloader.

public static ClassLoader getCustomClassloader(List<String> entries) {
    List<URL> urls = new ArrayList<URL>();
    File file;
    if (entries != null) {
        for (String classPathEntry : entries) {
            file = new File(classPathEntry);
            if (!file.exists()) {
                throw new RuntimeException(getString("RuntimeError.9", //$NON-NLS-1$
                classPathEntry));
            }
            try {
                urls.add(file.toURI().toURL());
            } catch (MalformedURLException e) {
                // this shouldn't happen, but just in case...
                throw new RuntimeException(getString("RuntimeError.9", //$NON-NLS-1$
                classPathEntry));
            }
        }
    }
    ClassLoader parent = Thread.currentThread().getContextClassLoader();
    URLClassLoader ucl = new URLClassLoader(urls.toArray(new URL[urls.size()]), parent);
    return ucl;
}

Example 49 with URLClassLoader

use of java.net.URLClassLoader in project generator by mybatis.

the class RunGeneratorThread method setClassLoader.

private void setClassLoader() {
    IWorkspaceRoot root = ResourcesPlugin.getWorkspace().getRoot();
    IJavaProject javaProject = getJavaProject();
    try {
        if (javaProject != null) {
            List<URL> entries = new ArrayList<URL>();
            IPath path = javaProject.getOutputLocation();
            IResource iResource = root.findMember(path);
            path = iResource.getLocation();
            path = path.addTrailingSeparator();
            entries.add(path.toFile().toURI().toURL());
            IClasspathEntry[] cpEntries = javaProject.getRawClasspath();
            for (IClasspathEntry cpEntry : cpEntries) {
                switch(cpEntry.getEntryKind()) {
                    case IClasspathEntry.CPE_SOURCE:
                        path = cpEntry.getOutputLocation();
                        if (path != null) {
                            iResource = root.findMember(path);
                            path = iResource.getLocation();
                            path = path.addTrailingSeparator();
                            entries.add(path.toFile().toURI().toURL());
                        }
                        break;
                    case IClasspathEntry.CPE_LIBRARY:
                        iResource = root.findMember(cpEntry.getPath());
                        if (iResource == null) {
                            // resource is not in workspace, must be an external JAR
                            path = cpEntry.getPath();
                        } else {
                            path = iResource.getLocation();
                        }
                        entries.add(path.toFile().toURI().toURL());
                        break;
                }
            }
            ClassLoader oldCl = Thread.currentThread().getContextClassLoader();
            URL[] entryArray = new URL[entries.size()];
            entries.toArray(entryArray);
            ClassLoader newCl = new URLClassLoader(entryArray, oldCl);
            Thread.currentThread().setContextClassLoader(newCl);
            oldClassLoader = oldCl;
        }
    } catch (Exception e) {
        // ignore - something too complex is wrong
        ;
    }
}

Example 50 with URLClassLoader

use of java.net.URLClassLoader in project druid by druid-io.

the class Initialization method getClassLoaderForExtension.

/**
   * @param extension The File instance of the extension we want to load
   *
   * @return a URLClassLoader that loads all the jars on which the extension is dependent
   *
   * @throws MalformedURLException
   */
public static URLClassLoader getClassLoaderForExtension(File extension) throws MalformedURLException {
    URLClassLoader loader = loadersMap.get(extension);
    if (loader == null) {
        final Collection<File> jars = FileUtils.listFiles(extension, new String[] { "jar" }, false);
        final URL[] urls = new URL[jars.size()];
        int i = 0;
        for (File jar : jars) {
            final URL url = jar.toURI().toURL();
            log.info("added URL[%s]", url);
            urls[i++] = url;
        }
        loadersMap.putIfAbsent(extension, new URLClassLoader(urls, Initialization.class.getClassLoader()));
        loader = loadersMap.get(extension);
    }
    return loader;
}