Examples of org.apache.commons.vfs.impl.VFSClassLoader

org.apache.commons.vfs.impl.VFSClassLoader
A class loader that can load classes and resources from a search path VFS FileObjects refering both to folders and JAR files. Any FileObject of type {@link FileType#FILE} is asumed to be a JAR and is openedby creating a layered file system with the "jar" scheme.
TODO - Test this with signed Jars and a SecurityManager. @author Brian Olsen @see FileSystemManager#createFileSystem

    /**
     * Creates the classloader to use when testing.
     */
    private VFSClassLoader createClassLoader() throws FileSystemException
    {
        final VFSClassLoader loader =
            new VFSClassLoader(getBaseFolder(), getManager());
        return loader;
    }

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    /**
     * Tests loading a class.
     */
    public void testLoadClass() throws Exception
    {
        final VFSClassLoader loader = createClassLoader();


        final Class testClass = loader.loadClass("code.ClassToLoad");
        final Package pack = testClass.getPackage();
        assertEquals("code", pack.getName());
        verifyPackage(pack, false);


        final Object testObject = testClass.newInstance();

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    /**
     * Tests loading a resource.
     */
    public void testLoadResource() throws Exception
    {
        final VFSClassLoader loader = createClassLoader();


        final URL resource = loader.getResource("read-tests/file1.txt");


        assertNotNull(resource);
        final URLConnection urlCon = resource.openConnection();
        assertSameURLContent(FILE1_CONTENT, urlCon);
    }

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    /**
     * Tests package sealing.
     */
    public void testSealing() throws Exception
    {
        final VFSClassLoader loader = createClassLoader();
        final Class testClass = loader.loadClass("code.sealed.AnotherClass");
        final Package pack = testClass.getPackage();
        assertEquals("code.sealed", pack.getName());
        verifyPackage(pack, true);
    }

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    /**
     * Creates the classloader to use when testing.
     */
    private VFSClassLoader createClassLoader() throws FileSystemException
    {
        final VFSClassLoader loader =
            new VFSClassLoader(getBaseFolder(), getManager());
        return loader;
    }

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    /**
     * Tests loading a class.
     */
    public void testLoadClass() throws Exception
    {
        final VFSClassLoader loader = createClassLoader();


        final Class testClass = loader.loadClass("code.ClassToLoad");
        final Package pack = testClass.getPackage();
        assertEquals("code", pack.getName());
        verifyPackage(pack, false);


        final Object testObject = testClass.newInstance();

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    /**
     * Tests loading a resource.
     */
    public void testLoadResource() throws Exception
    {
        final VFSClassLoader loader = createClassLoader();


        final URL resource = loader.getResource("read-tests/file1.txt");


        assertNotNull(resource);
        final URLConnection urlCon = resource.openConnection();
        assertSameURLContent(FILE1_CONTENT, urlCon);
    }

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    /**
     * Tests package sealing.
     */
    public void testSealing() throws Exception
    {
        final VFSClassLoader loader = createClassLoader();
        final Class testClass = loader.loadClass("code.sealed.AnotherClass");
        final Package pack = testClass.getPackage();
        assertEquals("code.sealed", pack.getName());
        verifyPackage(pack, true);
    }

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     * @return an ObjectReference holding a PicoContainer with the deployed components
     * @throws org.apache.commons.vfs.FileSystemException if the file structure was bad.
     * @throws org.nanocontainer.integrationkit.PicoCompositionException if the deployment failed for some reason.
     */
    public ObjectReference deploy(FileObject applicationFolder, ClassLoader parentClassLoader, ObjectReference parentContainerRef) throws FileSystemException, ClassNotFoundException {
        ClassLoader applicationClassLoader = new VFSClassLoader(applicationFolder, fileSystemManager, parentClassLoader);


        FileObject deploymentScript = getDeploymentScript(applicationFolder);


        ObjectReference result = new SimpleReference();

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    }    


    public void testZapClassCanBeLoadedByVFSClassLoader() throws FileSystemException, MalformedURLException, ClassNotFoundException {
        DefaultFileSystemManager manager = new DefaultFileSystemManager();
        FileObject applicationFolder = getApplicationFolder(manager, folderPath);
        ClassLoader applicationClassLoader = new VFSClassLoader(applicationFolder, manager, getClass().getClassLoader());
        applicationClassLoader.loadClass("foo.bar.Zap");
    }

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