Examples of edu.isi.karma.imp.json.JsonImport$FileObject

org.apache.commons.vfs2.FileObject
@author szekely @author mielvandersande

     * Tests deletion
     */
    public void testDelete() throws Exception
    {
        // Set-up the test structure
        FileObject folder = createScratchFolder();
        folder.resolveFile("file1.txt").createFile();
        folder.resolveFile("file%25.txt").createFile();
        folder.resolveFile("emptydir").createFolder();
        folder.resolveFile("dir1/file1.txt").createFile();
        folder.resolveFile("dir1/dir2/file2.txt").createFile();


        // Delete a file
        FileObject file = folder.resolveFile("file1.txt");
        assertTrue(file.exists());
        file.delete(Selectors.SELECT_ALL);
        assertTrue(!file.exists());


        // Delete a special name file
        file = folder.resolveFile("file%25.txt");
        assertTrue(file.exists());
        file.delete(Selectors.SELECT_ALL);
        assertTrue(!file.exists());


        // Delete an empty folder
        file = folder.resolveFile("emptydir");
        assertTrue(file.exists());
        file.delete(Selectors.SELECT_ALL);
        assertTrue(!file.exists());


        // Recursive delete
        file = folder.resolveFile("dir1");
        FileObject file2 = file.resolveFile("dir2/file2.txt");
        assertTrue(file.exists());
        assertTrue(file2.exists());
        file.delete(Selectors.SELECT_ALL);
        assertTrue(!file.exists());
        assertTrue(!file2.exists());


        // Delete a file that does not exist
        file = folder.resolveFile("some-folder/some-file");
        assertTrue(!file.exists());
        file.delete(Selectors.SELECT_ALL);

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     * Tests file copy to and from the same filesystem type.  This was a problem
     * w/ FTP.
     */
    public void testCopySameFileSystem() 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 OutputStream os = file.getContent().getOutputStream();
        try
        {
            os.write(content.getBytes("utf-8"));
        }
        finally
        {
            os.close();
        }


        assertSameContent(content, 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(content, fileCopy);
    }

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    /**
     * Tests overwriting a file on the same file system.
     */
    public void testOverwriteSameFileSystem() 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 OutputStream os = file.getContent().getOutputStream();
        try
        {
            os.write(content.getBytes("utf-8"));
        }
        finally
        {
            os.close();
        }


        assertSameContent(content, 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(content, fileCopy);


        // Make sure we can copy the same new file to the same target file on the same filesystem
        assertTrue(fileCopy.exists());
        fileCopy.copyFrom(file, Selectors.SELECT_SELF);


        assertSameContent(content, fileCopy);
    }

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 */
public class LRUFilesCacheTests extends AbstractProviderTestCase
{
    public void testFilesCache() throws Exception
    {
        FileObject scratchFolder = getWriteFolder();


        // releaseable
        FileObject dir1 = scratchFolder.resolveFile("dir1");


        // avoid cache removal
        FileObject dir2 = scratchFolder.resolveFile("dir2");
        dir2.getContent();


        // releaseable
        @SuppressWarnings("unused")
        FileObject dir3 = scratchFolder.resolveFile("dir3");


        // releaseable
        @SuppressWarnings("unused")
        FileObject dir4 = scratchFolder.resolveFile("dir4");


        // releaseable
        @SuppressWarnings("unused")
        FileObject dir5 = scratchFolder.resolveFile("dir5");


        // releaseable
        @SuppressWarnings("unused")
        FileObject dir6 = scratchFolder.resolveFile("dir6");


        // releaseable
        @SuppressWarnings("unused")
        FileObject dir7 = scratchFolder.resolveFile("dir7");


        // releaseable
        @SuppressWarnings("unused")
        FileObject dir8 = scratchFolder.resolveFile("dir8");


        // check if the cache still holds the right instance
        FileObject dir2_2 = scratchFolder.resolveFile("dir2");
        assertTrue(dir2 == dir2_2);


        // check if the cache still holds the right instance
        FileObject dir1_2 = scratchFolder.resolveFile("dir1");
        assertFalse(dir1 == dir1_2);
    }

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    /**
     * Tests create-delete-create-a-file sequence on the same file system.
     */
    public void testCreateDeleteCreateSameFileSystem() 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 OutputStream os = file.getContent().getOutputStream();
        try
        {
            os.write(content.getBytes("utf-8"));
        }
        finally
        {
            os.close();
        }


        assertSameContent(content, 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(content, fileCopy);


        // Delete the file.
        assertTrue(fileCopy.exists());
        assertTrue(fileCopy.delete());


        // Make sure we can copy the same new file to the same target file on the same filesystem
        assertTrue(!fileCopy.exists());
        fileCopy.copyFrom(file, Selectors.SELECT_SELF);


        assertSameContent(content, fileCopy);
    }

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 */
public class NullFilesCacheTests extends AbstractProviderTestCase
{
    public void testFilesCache() throws Exception
    {
        FileObject scratchFolder = getWriteFolder();


        FileObject dir1 = scratchFolder.resolveFile("dir1");
        FileObject dir1_2 = scratchFolder.resolveFile("dir1");


        assertFalse(dir1 == dir1_2);
    }

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    /**
     * Test that children are handled correctly by create and delete.
     */
    public void testListChildren() throws Exception
    {
        FileObject folder = createScratchFolder();
        HashSet<String> names = new HashSet<String>();


        // Make sure the folder is empty
        assertEquals(0, folder.getChildren().length);


        // Create a child folder
        folder.resolveFile("dir1").createFolder();
        names.add("dir1");
        assertSameFileSet(names, folder.getChildren());


        // Create a child file
        folder.resolveFile("file1.html").createFile();
        names.add("file1.html");
        assertSameFileSet(names, folder.getChildren());


        // Create a descendent
        folder.resolveFile("dir2/file1.txt").createFile();
        names.add("dir2");
        assertSameFileSet(names, folder.getChildren());


        // Create a child file via an output stream
        OutputStream outstr = folder.resolveFile("file2.txt").getContent().getOutputStream();
        outstr.close();
        names.add("file2.txt");
        assertSameFileSet(names, folder.getChildren());


        // Delete a child folder
        folder.resolveFile("dir1").delete(Selectors.SELECT_ALL);
        names.remove("dir1");
        assertSameFileSet(names, folder.getChildren());


        // Delete a child file
        folder.resolveFile("file1.html").delete(Selectors.SELECT_ALL);
        names.remove("file1.html");
        assertSameFileSet(names, folder.getChildren());


        // Recreate the folder
        folder.delete(Selectors.SELECT_ALL);
        folder.createFolder();
        assertEquals(0, folder.getChildren().length);
    }

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    /**
     * Check listeners are notified of changes.
     */
    public void testListener() throws Exception
    {
        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();

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        assertEquals(names.size(), files.length);


        // Check for unexpected names
        for (int i = 0; i < files.length; i++)
        {
            FileObject file = files[i];
            assertTrue(names.contains(file.getName().getBaseName()));
        }
    }

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    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);


        testChildren(root);

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