Package org.apache.commons.vfs2.cache

Examples of org.apache.commons.vfs2.cache.NullFilesCache


    /**
     * Tests can perform operations on a folder while reading from a different files.
     */
    public void testConcurrentReadFolder() throws Exception
    {
        final FileObject file = getReadFolder().resolveFile("file1.txt");
        assertTrue(file.exists());
        final FileObject folder = getReadFolder().resolveFile("dir1");
        assertTrue(folder.exists());

        // Start reading from the file
        final InputStream instr = file.getContent().getInputStream();
        try
        {
            // Do some operations
            folder.exists();
            folder.getType();
            folder.getChildren();
        }
        finally
        {
            instr.close();
        }
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        final List<FileObject> expectedFiles = selector.finish();
        assertEquals(expectedFiles.size(), actualFiles.length);
        final int count = expectedFiles.size();
        for (int i = 0; i < count; i++)
        {
            final FileObject expected = expectedFiles.get(i);
            final FileObject actual = actualFiles[i];
            assertEquals(expected, actual);
        }
    }
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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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                                         final Throwable throwable)
    {
        Object[] parmArray = params;
        if (throwable instanceof FileSystemException)
        {
            final FileSystemException fse = (FileSystemException) throwable;

            // Compare message code and params
            assertEquals(code, fse.getCode());
            assertEquals(params.length, fse.getInfo().length);
            parmArray = new Object[params.length];
            for (int i = 0; i < params.length; i++)
            {
                String value = String.valueOf(params[i]);
                // mask passwords (VFS-169)
                final Matcher urlMatcher = URL_PATTERN.matcher(value);
                if (urlMatcher.find())
                {
                    final Matcher pwdMatcher = PASSWORD_PATTERN.matcher(value);
                    value = pwdMatcher.replaceFirst(":***@");
                }
                assertEquals(value, fse.getInfo()[i]);
                parmArray[i] = value;
            }
        }

        // Compare formatted message
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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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    {
        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)
            {
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      DefaultFileSystemManager dfsm = new DefaultFileSystemManager();
      dfsm.addProvider("jar", jarFileProvider);
      dfsm.addProvider("file", localFileProvider);
      dfsm.addExtensionMap("jar", "jar");
      dfsm.setDefaultProvider(new UrlFileProvider());
      dfsm.setFilesCache(new NullFilesCache());
      dfsm.setCacheStrategy(CacheStrategy.ON_RESOLVE);
      dfsm.setBaseFile(new File("/"));
      dfsm.init();

      return dfsm;
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    public FilesCache getFilesCache()
    {
        if (cache == null)
        {
            // cache = new DefaultFilesCache();
            cache = new SoftRefFilesCache();
        }

        return cache;
    }
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