Package org.apache.commons.vfs2

Examples of org.apache.commons.vfs2.FileObject

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    /**
     * deletes a single file
     */
    public void testDeleteFile() throws Exception
    {
        final FileObject scratchFolder = createScratchFolder();

        final FileObject file = scratchFolder.resolveFile("dir1/a.txt");

        assertTrue(file.delete());
    }
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    /**
     * Deletes a non existent file
     */
    public void testDeleteNonExistantFile() throws Exception
    {
        final FileObject scratchFolder = createScratchFolder();

        final FileObject file = scratchFolder.resolveFile("dir1/aa.txt");

        assertFalse(file.delete());
    }
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    /**
     * deletes files
     */
    public void testDeleteAllFiles() throws Exception
    {
        final FileObject scratchFolder = createScratchFolder();

        assertEquals(scratchFolder.delete(new FileTypeSelector(FileType.FILE)), 2);
    }
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    /**
     * deletes a.txt
     */
    public void testDeleteOneFiles() throws Exception
    {
        final FileObject scratchFolder = createScratchFolder();

        assertEquals(scratchFolder.delete(new FileNameSelector("a.txt")), 1);
    }
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    {
        // Build base dir
        getManager().setBaseFile(getReadFolder());

        // Locate the base dir
        FileObject file = getManager().resolveFile(".");
        assertSame("file object", getReadFolder(), file);

        // Locate a child
        file = getManager().resolveFile("some-child");
        assertSame("file object", getReadFolder(), file.getParent());

        // Locate a descendent
        file = getManager().resolveFile("some-folder/some-file");
        assertSame("file object", getReadFolder(), file.getParent().getParent());

        // Locate parent
        file = getManager().resolveFile("..");
        assertSame("file object", getReadFolder().getParent(), file);
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        // Build base dir
        getManager().setBaseFile(getReadFolder());
        final String path = getReadFolder().getName().getPath();

        // §1 Encode "some file"
        FileObject file = getManager().resolveFile("%73%6f%6d%65%20%66%69%6c%65");
        assertEquals(path + "/some file", file.getName().getPathDecoded());

        // §2 Encode "."
        file = getManager().resolveFile("%2e");
        // 18-6-2005 imario@apache.org: no need to keep the "current directory"
        // assertEquals(path + "/.", file.getName().getPathDecoded());
        assertEquals(path, file.getName().getPathDecoded());

        // §3 Encode '%'
        file = getManager().resolveFile("a%25");
        assertEquals(path + "/a%", file.getName().getPathDecoded());

        // §4 Encode /
        file = getManager().resolveFile("dir%2fchild");
        assertEquals(path + "/dir/child", file.getName().getPathDecoded());

        // §5 Encode \
        file = getManager().resolveFile("dir%5cchild");
        // 18-6-2005 imario@apache.org: all file separators normalized to "/"
        // decided to do this to get the same behaviour as in §4 on windows
        // platforms
        // assertEquals(path + "/dir\\child", file.getName().getPathDecoded());
        assertEquals(path + "/dir/child", file.getName().getPathDecoded());

        // §6 Use "%" literal
        try
        {
            getManager().resolveFile("%");
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    /**
     * Read a file
     */
    public void testRandomRead() throws Exception
    {
        FileObject file = null;
        try
        {
            file = getReadFolder().resolveFile("file1.txt");
            RandomAccessContent ra = file.getContent().getRandomAccessContent(RandomAccessMode.READ);

            // read first byte
            byte c = ra.readByte();
            assertEquals(c, TEST_DATA.charAt(0));
            assertEquals("fp", ra.getFilePointer(), 1);

            // start at pos 4
            ra.seek(3);
            c = ra.readByte();
            assertEquals(c, TEST_DATA.charAt(3));
            assertEquals("fp", ra.getFilePointer(), 4);

            c = ra.readByte();
            assertEquals(c, TEST_DATA.charAt(4));
            assertEquals("fp", ra.getFilePointer(), 5);

            // restart at pos 4
            ra.seek(3);
            c = ra.readByte();
            assertEquals(c, TEST_DATA.charAt(3));
            assertEquals("fp", ra.getFilePointer(), 4);

            c = ra.readByte();
            assertEquals(c, TEST_DATA.charAt(4));
            assertEquals("fp", ra.getFilePointer(), 5);

            // advance to pos 11
            ra.seek(10);
            c = ra.readByte();
            assertEquals(c, TEST_DATA.charAt(10));
            assertEquals("fp", ra.getFilePointer(), 11);

            c = ra.readByte();
            assertEquals(c, TEST_DATA.charAt(11));
            assertEquals("fp", ra.getFilePointer(), 12);
        }
        finally
        {
            if (file != null)
            {
                file.close();
            }
        }
    }
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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 folder creation.
     */
    public void testFolderCreate() throws Exception
    {
        FileObject scratchFolder = createScratchFolder();

        // Create direct child of the test folder
        FileObject folder = scratchFolder.resolveFile("dir1");
        assertTrue(!folder.exists());
        folder.createFolder();
        assertTrue(folder.exists());
        assertSame(FileType.FOLDER, folder.getType());
        assertEquals(0, folder.getChildren().length);

        // Create a descendant, where the intermediate folders don't exist
        folder = scratchFolder.resolveFile("dir2/dir1/dir1");
        assertTrue(!folder.exists());
        assertTrue(!folder.getParent().exists());
        assertTrue(!folder.getParent().getParent().exists());
        folder.createFolder();
        assertTrue(folder.exists());
        assertSame(FileType.FOLDER, folder.getType());
        assertEquals(0, folder.getChildren().length);
        assertTrue(folder.getParent().exists());
        assertTrue(folder.getParent().getParent().exists());

        // Test creating a folder that already exists
        assertTrue(folder.exists());
        folder.createFolder();
    }
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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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