Package org.apache.commons.vfs2.impl

Examples of org.apache.commons.vfs2.impl.VFSClassLoader

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    /**
     * Tests file creation
     */
    public void testFileCreate() throws Exception
    {
        FileObject scratchFolder = createScratchFolder();

        // Create direct child of the test folder
        FileObject file = scratchFolder.resolveFile("file1.txt");
        assertTrue(!file.exists());
        file.createFile();
        assertTrue(file.exists());
        assertSame(FileType.FILE, file.getType());
        assertEquals(0, file.getContent().getSize());
        assertFalse(file.isHidden());
        assertTrue(file.isReadable());
        assertTrue(file.isWriteable());

        // Create direct child of the test folder - special name
        file = scratchFolder.resolveFile("file1%25.txt");
        assertTrue(!file.exists());
        file.createFile();
        assertTrue(file.exists());
        assertSame(FileType.FILE, file.getType());
        assertEquals(0, file.getContent().getSize());
        assertFalse(file.isHidden());
        assertTrue(file.isReadable());
        assertTrue(file.isWriteable());

        // Create a descendant, where the intermediate folders don't exist
        file = scratchFolder.resolveFile("dir1/dir1/file1.txt");
        assertTrue(!file.exists());
        assertTrue(!file.getParent().exists());
        assertTrue(!file.getParent().getParent().exists());
        file.createFile();
        assertTrue(file.exists());
        assertSame(FileType.FILE, file.getType());
        assertEquals(0, file.getContent().getSize());
        assertTrue(file.getParent().exists());
        assertTrue(file.getParent().getParent().exists());
        assertFalse(file.getParent().isHidden());
        assertFalse(file.getParent().getParent().isHidden());

        // Test creating a file that already exists
        assertTrue(file.exists());
        file.createFile();
        assertTrue(file.exists());
        assertTrue(file.isReadable());
        assertTrue(file.isWriteable());
    }
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    /**
     * Sets up a scratch folder for the test to use.
     */
    protected FileObject createScratchFolder() throws Exception
    {
        FileObject scratchFolder = getWriteFolder();

        // Make sure the test folder is empty
        scratchFolder.delete(Selectors.EXCLUDE_SELF);
        scratchFolder.createFolder();

        return scratchFolder;
    }
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    /**
     * Tests create-delete-create-a-file sequence on the same file system.
     */
    public void testAppendContent() throws Exception
    {
        final FileObject scratchFolder = createScratchFolder();

        // Create direct child of the test folder
        final FileObject file = scratchFolder.resolveFile("file1.txt");
        assertTrue(!file.exists());

        // Create the source file
        final String content = "Here is some sample content for the file.  Blah Blah Blah.";
        final String contentAppend = content + content;

        final OutputStream os = file.getContent().getOutputStream();
        try
        {
            os.write(content.getBytes("utf-8"));
        }
        finally
        {
            os.close();
        }
        assertSameContent(content, file);

        // Append to the new file
        final OutputStream os2 = file.getContent().getOutputStream(true);
        try
        {
            os2.write(content.getBytes("utf-8"));
        }
        finally
        {
            os2.close();
        }
        assertSameContent(contentAppend, file);

        // Make sure we can copy the new file to another file on the same filesystem
        FileObject fileCopy = scratchFolder.resolveFile("file1copy.txt");
        assertTrue(!fileCopy.exists());
        fileCopy.copyFrom(file, Selectors.SELECT_SELF);

        assertSameContent(contentAppend, fileCopy);

        // Delete the file.
        assertTrue(fileCopy.exists());
        assertTrue(fileCopy.delete());
    }
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    /**
     * Test the manual cache strategy
     */
    public void testManualCache() throws Exception
    {
        FileObject scratchFolder = getWriteFolder();
        if (FileObjectUtils.isInstanceOf(getBaseFolder(), RamFileObject.class) ||
            scratchFolder.getFileSystem() instanceof VirtualFileSystem)
        {
            // cant check ram filesystem as every manager holds its own ram filesystem data
            return;
        }

        scratchFolder.delete(Selectors.EXCLUDE_SELF);

        DefaultFileSystemManager fs = createManager();
        fs.setCacheStrategy(CacheStrategy.MANUAL);
        fs.init();
        FileObject foBase2 = getBaseTestFolder(fs);

        FileObject cachedFolder = foBase2.resolveFile(scratchFolder.getName().getPath());

        FileObject[] fos = cachedFolder.getChildren();
        assertContainsNot(fos, "file1.txt");

        scratchFolder.resolveFile("file1.txt").createFile();

        fos = cachedFolder.getChildren();
        assertContainsNot(fos, "file1.txt");

        cachedFolder.refresh();
        fos = cachedFolder.getChildren();
        assertContains(fos, "file1.txt");
    }
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    /**
     * Test the on_resolve strategy
     */
    public void testOnResolveCache() throws Exception
    {
        FileObject scratchFolder = getWriteFolder();
        if (FileObjectUtils.isInstanceOf(getBaseFolder(), RamFileObject.class) ||
            scratchFolder.getFileSystem() instanceof VirtualFileSystem)
        {
            // cant check ram filesystem as every manager holds its own ram filesystem data
            return;
        }

        scratchFolder.delete(Selectors.EXCLUDE_SELF);

        DefaultFileSystemManager fs = createManager();
        fs.setCacheStrategy(CacheStrategy.ON_RESOLVE);
        fs.init();
        FileObject foBase2 = getBaseTestFolder(fs);

        FileObject cachedFolder = foBase2.resolveFile(scratchFolder.getName().getPath());

        FileObject[] fos = cachedFolder.getChildren();
        assertContainsNot(fos, "file1.txt");

        scratchFolder.resolveFile("file1.txt").createFile();

        fos = cachedFolder.getChildren();
        assertContainsNot(fos, "file1.txt");

        cachedFolder = foBase2.resolveFile(scratchFolder.getName().getPath());
        fos = cachedFolder.getChildren();
        assertContains(fos, "file1.txt");
    }
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    /**
     * Test the on_call strategy
     */
    public void testOnCallCache() throws Exception
    {
        FileObject scratchFolder = getWriteFolder();
        if (FileObjectUtils.isInstanceOf(getBaseFolder(), RamFileObject.class) ||
            scratchFolder.getFileSystem() instanceof VirtualFileSystem)
        {
            // cant check ram filesystem as every manager holds its own ram filesystem data
            return;
        }

        scratchFolder.delete(Selectors.EXCLUDE_SELF);

        DefaultFileSystemManager fs = createManager();
        fs.setCacheStrategy(CacheStrategy.ON_CALL);
        fs.init();
        FileObject foBase2 = getBaseTestFolder(fs);

        FileObject cachedFolder = foBase2.resolveFile(scratchFolder.getName().getPath());

        FileObject[] fos = cachedFolder.getChildren();
        assertContainsNot(fos, "file1.txt");

        scratchFolder.resolveFile("file1.txt").createFile();

        fos = cachedFolder.getChildren();
        assertContains(fos, "file1.txt");
    }
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        if (caps != null)
        {
            for (int i = 0; i < caps.length; i++)
            {
                final Capability cap = caps[i];
                FileSystem fs = readFolder.getFileSystem();
                if (!fs.hasCapability(cap))
                {
//                    String name = fs.getClass().getName();
//                    int index = name.lastIndexOf('.');
//                    String fsName = (index > 0) ? name.substring(index + 1) : name;
//                    System.out.println("skipping " + getName() + " because " +
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        final FileObject baseFile = createScratchFolder();

        FileObject child = baseFile.resolveFile("newfile.txt");
        assertTrue(!child.exists());

        FileSystem fs = baseFile.getFileSystem();
        TestListener listener = new TestListener(child);
        fs.addListener(child, listener);

        // Create as a folder
        listener.addCreateEvent();
        child.createFolder();
        listener.assertFinished();

        // Create the folder again.  Should not get an event.
        child.createFolder();

        // Delete
        listener.addDeleteEvent();
        child.delete();
        listener.assertFinished();

        // Delete again.  Should not get an event
        child.delete();

        // Create as a file
        listener.addCreateEvent();
        child.createFile();
        listener.assertFinished();

        // Create the file again.  Should not get an event
        child.createFile();

        listener.addDeleteEvent();
        child.delete();

        // Create as a file, by writing to it.
        listener.addCreateEvent();
        child.getContent().getOutputStream().close();
        listener.assertFinished();

        // Recreate the file by writing to it
        child.getContent().getOutputStream().close();

        // Copy another file over the top
        final FileObject otherChild = baseFile.resolveFile("folder1");
        otherChild.createFolder();
        listener.addDeleteEvent();
        listener.addCreateEvent();
        child.copyFrom(otherChild, Selectors.SELECT_SELF);
        listener.assertFinished();

        fs.removeListener(child, listener);
    }
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{
    private final static int NUOF_RESOLVES = 100000;

    public static void main(String[] args) throws FileSystemException
    {
        FileSystemManager mgr = VFS.getManager();

        FileObject root = mgr
                .resolveFile("smb://HOME\\vfsusr:vfs%2f%25\\te:st@10.0.1.54/vfsusr");
        FileName rootName = root.getName();

        testNames(mgr, rootName);
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     */
    public void testDeleteAllFiles() throws Exception
    {
        final FileObject scratchFolder = createScratchFolder();

        assertEquals(scratchFolder.delete(new FileTypeSelector(FileType.FILE)), 2);
    }
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