Examples of org.jnode.command.util.AbstractDirectoryWalker$FileObject

org.apache.commons.vfs2.FileObject

AbstractDirectoryWalker - walk through a directory hierarchy recursively
AbstractDirectoryWalker will start at a given starting depth relatively to the given directory and walk recursively through the directory hierarchy until stopping depth is reached.
On its way, it will call "handleFile()" and "handleDir()" for every file and directory, that is not filtered out by any of the filters set for this DirectoryWalker. @author Alexander Kerner @author chris boertien

     */
    public void testUnknownContent() throws Exception
    {


        // Try getting the content of an unknown file
        FileObject unknownFile = getReadFolder().resolveFile("unknown-file");
        FileContent content = unknownFile.getContent();
        try
        {
            content.getInputStream();
            fail();
        }

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    /**
     * Tests concurrent reads on a file.
     */
    public void testConcurrentRead() throws Exception
    {
        final FileObject file = getReadFolder().resolveFile("file1.txt");
        assertTrue(file.exists());


        // Start reading from the file
        final InputStream instr = file.getContent().getInputStream();
        try
        {
            // Start reading again
            file.getContent().getInputStream().close();
        }
        finally
        {
            instr.close();
        }

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    /**
     * Tests concurrent reads on different files works.
     */
    public void testConcurrentReadFiles() throws Exception
    {
        final FileObject file = getReadFolder().resolveFile("file1.txt");
        assertTrue(file.exists());
        final FileObject emptyFile = getReadFolder().resolveFile("empty.txt");
        assertTrue(emptyFile.exists());


        // Start reading from the file
        final InputStream instr = file.getContent().getInputStream();
        try
        {

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     * Tests that content and file objects are usable after being closed.
     */
    public void testReuse() throws Exception
    {
        // Get the test file
        FileObject file = getReadFolder().resolveFile("file1.txt");
        assertEquals(FileType.FILE, file.getType());


        // Get the file content
        assertSameContent(FILE1_CONTENT, file);


        // Read the content again
        assertSameContent(FILE1_CONTENT, file);


        // Close the content + file
        file.getContent().close();
        file.close();


        // Read the content again
        assertSameContent(FILE1_CONTENT, file);
    }

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     * Tests that input streams are cleaned up on file close.
     */
    public void testInstrCleanup() throws Exception
    {
        // Get the test file
        FileObject file = getReadFolder().resolveFile("file1.txt");
        assertEquals(FileType.FILE, file.getType());


        // Open some input streams
        final InputStream instr1 = file.getContent().getInputStream();
        assertTrue(instr1.read() == FILE1_CONTENT.charAt(0));
        final InputStream instr2 = file.getContent().getInputStream();
        assertTrue(instr2.read() == FILE1_CONTENT.charAt(0));


        // Close the file
        file.close();


        // Check
        assertTrue(instr1.read() == -1);
        assertTrue(instr2.read() == -1);
    }

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        // Locate the default manager
        final FileSystemManager manager = VFS.getManager();


        // Lookup a test jar file
        final File jarFile = getTestResource("test.jar");
        FileObject file = manager.toFileObject(jarFile);
        assertNotNull(file);
        assertTrue(file.exists());
        assertSame(FileType.FILE, file.getType());


        // Expand it
        file = manager.createFileSystem(file);
        assertNotNull(file);
        assertTrue(file.exists());
        assertSame(FileType.FOLDER, file.getType());
    }

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     * Determines if a file or folder should be selected.
     */
    public boolean includeFile(final FileSelectInfo fileInfo)
        throws FileSystemException
    {
        final FileObject file = fileInfo.getFile();
        if (file == currentFolder)
        {
            // Pop current folder
            assertEquals(0, children.size());
            currentFolder = currentFolder.getParent();
            currentFolderInfo = currentFolderInfo.getParent();
            children = stack.remove(0);
        }


        final String baseName = file.getName().getBaseName();


        final FileInfo childInfo = getChild(baseName);
        assertSame(childInfo.type, file.getType());


        final boolean isChild = children.remove(baseName);
        assertTrue(isChild);


        files.add(file);

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     */
    public boolean traverseDescendents(final FileSelectInfo fileInfo)
        throws FileSystemException
    {
        // Check that the given file is a folder
        final FileObject folder = fileInfo.getFile();
        assertSame(FileType.FOLDER, folder.getType());


        // Locate the info for the folder
        final String baseName = folder.getName().getBaseName();
        if (currentFolder == null)
        {
            assertEquals(rootFile.baseName, baseName);
            currentFolderInfo = rootFile;
        }
        else
        {
            assertSame(currentFolder, folder.getParent());


            // Locate the info for the child, and make sure it is folder
            currentFolderInfo = getChild(baseName);
            assertSame(FileType.FOLDER, currentFolderInfo.type);
        }

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    /**
     *
     */
    public void testVersioning() throws Exception
    {
        FileObject scratchFolder = createScratchFolder();
        FileSystemOptions opts = scratchFolder.getFileSystem().getFileSystemOptions();
        WebdavFileSystemConfigBuilder builder =
            (WebdavFileSystemConfigBuilder)getManager().getFileSystemConfigBuilder("webdav");
        builder.setVersioning(opts, true);
        FileObject file = getManager().resolveFile(scratchFolder, "file1.txt", opts);
        FileSystemOptions newOpts = file.getFileSystem().getFileSystemOptions();
        assertTrue(opts == newOpts);
        assertTrue(builder.isVersioning(newOpts));
        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());
        Map<?, ?> map = file.getContent().getAttributes();
        String name = ((URLFileName)file.getName()).getUserName();
        assertTrue(map.containsKey(DeltaVConstants.CREATOR_DISPLAYNAME.toString()));
        if (name != null)
        {
            assertEquals(name, map.get(DeltaVConstants.CREATOR_DISPLAYNAME.toString()));
        }
        assertTrue(map.containsKey(VersionControlledResource.CHECKED_IN.toString()));


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


        final OutputStream os = file.getContent().getOutputStream();
        try
        {
            os.write(content.getBytes("utf-8"));
        }
        finally
        {
            os.close();
        }
        assertSameContent(content, file);
        map = file.getContent().getAttributes();
        assertTrue(map.containsKey(DeltaVConstants.CREATOR_DISPLAYNAME.toString()));
        if (name != null)
        {
            assertEquals(name, map.get(DeltaVConstants.CREATOR_DISPLAYNAME.toString()));
        }

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    /**
     *
     */
    public void testVersioningWithCreator() throws Exception
    {
        FileObject scratchFolder = createScratchFolder();
        FileSystemOptions opts = scratchFolder.getFileSystem().getFileSystemOptions();
        WebdavFileSystemConfigBuilder builder =
            (WebdavFileSystemConfigBuilder)getManager().getFileSystemConfigBuilder("webdav");
        builder.setVersioning(opts, true);
        builder.setCreatorName(opts, "testUser");
        FileObject file = getManager().resolveFile(scratchFolder, "file1.txt", opts);
        FileSystemOptions newOpts = file.getFileSystem().getFileSystemOptions();
        assertTrue(opts == newOpts);
        assertTrue(builder.isVersioning(newOpts));
        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());
        Map<?, ?> map = file.getContent().getAttributes();
        String name = ((URLFileName)file.getName()).getUserName();
        assertTrue(map.containsKey(DeltaVConstants.CREATOR_DISPLAYNAME.toString()));
        assertEquals(map.get(DeltaVConstants.CREATOR_DISPLAYNAME.toString()),"testUser");
        if (name != null)
        {
            assertTrue(map.containsKey(DeltaVConstants.COMMENT.toString()));
            assertEquals("Modified by user " + name, map.get(DeltaVConstants.COMMENT.toString()));
        }
        assertTrue(map.containsKey(VersionControlledResource.CHECKED_IN.toString()));


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


        final OutputStream os = file.getContent().getOutputStream();
        try
        {
            os.write(content.getBytes("utf-8"));
        }
        finally
        {
            os.close();
        }
        assertSameContent(content, file);
        map = file.getContent().getAttributes();
        assertTrue(map.containsKey(DeltaVConstants.CREATOR_DISPLAYNAME.toString()));
        assertEquals(map.get(DeltaVConstants.CREATOR_DISPLAYNAME.toString()),"testUser");
        if (name != null)
        {
            assertTrue(map.containsKey(DeltaVConstants.COMMENT.toString()));

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