Example usage for org.apache.commons.vfs2 FileObject getContent

List of usage examples for org.apache.commons.vfs2 FileObject getContent

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Introduction

In this page you can find the example usage for org.apache.commons.vfs2 FileObject getContent.

Prototype

FileContent getContent() throws FileSystemException;

Source Link

Document

Returns this file's content.

Usage

From source file:pl.otros.logview.api.io.UtilsTest.java

@Test
public void testEmptyGzipedFile() throws IOException {
    FileObject resolveFile = resolveFileObject("/empty.log.gz");
    AssertJUnit.assertEquals(26, resolveFile.getContent().getSize());
    boolean checkIfIsGzipped = Utils.checkIfIsGzipped(resolveFile);
    AssertJUnit.assertTrue(checkIfIsGzipped);
}

From source file:pl.otros.logview.api.io.UtilsTest.java

@Test
public void testLoadLocalNotGzipped() throws Exception {
    FileObject fileObject = resolveFileObject("/hierarchy/hierarchy.log");
    LoadingInfo loadingInfo = Utils.openFileObject(fileObject);
    InputStream contentInputStream = loadingInfo.getContentInputStream();
    byte[] actual = IOUtils.toByteArray(contentInputStream);
    byte[] expected = IOUtils.toByteArray(fileObject.getContent().getInputStream());

    AssertJUnit.assertFalse(loadingInfo.isGziped());
    AssertJUnit.assertEquals(expected.length, actual.length);
    // assertArrayEquals(expected, actual);
}

From source file:pl.otros.logview.api.io.UtilsTest.java

@Test
public void testLoadLocalGzipped() throws Exception {
    FileObject fileObject = resolveFileObject("/hierarchy/hierarchy.log.gz");
    LoadingInfo loadingInfo = Utils.openFileObject(fileObject);
    InputStream contentInputStream = loadingInfo.getContentInputStream();
    byte[] actual = IOUtils.toByteArray(contentInputStream);
    byte[] expected = IOUtils.toByteArray(new GZIPInputStream(fileObject.getContent().getInputStream()));

    AssertJUnit.assertTrue(loadingInfo.isGziped());
    AssertJUnit.assertArrayEquals(expected, actual);

}

From source file:pl.otros.logview.api.io.UtilsTest.java

@Test
public void testSequeceRead() throws Exception {
    String url = HTTP_NOT_GZIPPED;
    FileObject resolveFile = fsManager.resolveFile(url);
    InputStream httpInputStream = resolveFile.getContent().getInputStream();
    byte[] buff = Utils.loadProbe(httpInputStream, 10000);
    // int read = httpInputStream.read(buff);

    ByteArrayInputStream bin = new ByteArrayInputStream(buff);

    SequenceInputStream sequenceInputStream = new SequenceInputStream(bin, httpInputStream);

    byte[] byteArray = IOUtils.toByteArray(new ObservableInputStreamImpl(sequenceInputStream));

    LoadingInfo loadingInfo = Utils.openFileObject(fsManager.resolveFile(url), false);
    byte[] byteArrayUtils = IOUtils.toByteArray(loadingInfo.getContentInputStream());
    AssertJUnit.assertEquals(byteArrayUtils.length, byteArray.length);
}

From source file:pl.otros.logview.api.io.UtilsTest.java

@Test
public void testSequeceReadGzipped() throws Exception {
    String url = HTTP_GZIPPED;//from   w ww  .j a  v a 2 s . c  om
    FileObject resolveFile = fsManager.resolveFile(url);
    InputStream httpInputStream = resolveFile.getContent().getInputStream();
    byte[] buff = Utils.loadProbe(httpInputStream, 10000);
    // int read = httpInputStream.read(buff);

    ByteArrayInputStream bin = new ByteArrayInputStream(buff);

    SequenceInputStream sequenceInputStream = new SequenceInputStream(bin, httpInputStream);

    byte[] byteArray = IOUtils
            .toByteArray(new GZIPInputStream(new ObservableInputStreamImpl(sequenceInputStream)));

    LoadingInfo loadingInfo = Utils.openFileObject(fsManager.resolveFile(url), false);
    byte[] byteArrayUtils = IOUtils.toByteArray(loadingInfo.getContentInputStream());
    AssertJUnit.assertEquals(byteArrayUtils.length, byteArray.length);
}

From source file:pl.otros.logview.gui.Log4jPatternParserEditor.java

protected void loadLogContent(FileObject fileObject) throws IOException {
    try {/*from ww  w.  j av  a  2s  . c  o m*/
        byte[] loadProbe = Utils.loadProbe(fileObject.getContent().getInputStream(), 50 * 1024);
        logFileContent.setText(new String(loadProbe));
        logFileContent.setCaretPosition(0);
    } finally {
        Utils.closeQuietly(fileObject);
    }
}

From source file:pl.otros.logview.io.Utils.java

public static boolean checkIfIsGzipped(FileObject fileObject) throws IOException {
    boolean gziped = false;
    if (fileObject.getContent().getSize() == 0) {
        LOGGER.fine("File object " + fileObject.getName() + " is empty, can't detect gzip compression");
        return false;
    }/*from  w w  w .j  av  a  2 s.c  o m*/
    InputStream inputStream = fileObject.getContent().getInputStream();
    byte[] loadProbe = loadProbe(inputStream, GZIP_CHECK_BUFFER_SIZE);
    // IOUtils.closeQuietly(inputStream);
    if (loadProbe.length < GZIP_MIN_SIZE) {
        LOGGER.info("Loaded probe is too small to check if it is gziped");
        return false;
    }
    try {
        ByteArrayInputStream bin = new ByteArrayInputStream(loadProbe);
        int available = bin.available();
        byte[] b = new byte[available < GZIP_CHECK_BUFFER_SIZE ? available : GZIP_CHECK_BUFFER_SIZE];
        int read = bin.read(b);
        gziped = checkIfIsGzipped(b, read);
    } catch (IOException e) {
        // Not gziped
        LOGGER.fine(fileObject.getName() + " is not gzip");
    }

    return gziped;
}

From source file:pl.otros.logview.io.Utils.java

public static LoadingInfo openFileObject(FileObject fileObject, boolean tailing) throws Exception {
    LoadingInfo loadingInfo = new LoadingInfo();
    loadingInfo.setFileObject(fileObject);
    loadingInfo.setFriendlyUrl(fileObject.getName().getFriendlyURI());

    InputStream httpInputStream = fileObject.getContent().getInputStream();
    byte[] buff = Utils.loadProbe(httpInputStream, 10000);

    loadingInfo.setGziped(checkIfIsGzipped(buff, buff.length));

    ByteArrayInputStream bin = new ByteArrayInputStream(buff);

    SequenceInputStream sequenceInputStream = new SequenceInputStream(bin, httpInputStream);

    ObservableInputStreamImpl observableInputStreamImpl = new ObservableInputStreamImpl(sequenceInputStream);

    if (loadingInfo.isGziped()) {
        loadingInfo.setContentInputStream(new GZIPInputStream(observableInputStreamImpl));
        loadingInfo.setInputStreamBufferedStart(ungzip(buff));
    } else {//w w w . j  av  a  2 s . c o  m
        loadingInfo.setContentInputStream(observableInputStreamImpl);
        loadingInfo.setInputStreamBufferedStart(buff);
    }
    loadingInfo.setObserableInputStreamImpl(observableInputStreamImpl);

    loadingInfo.setTailing(tailing);

    return loadingInfo;

}

From source file:pl.otros.vfs.browser.demo.TestBrowser.java

public static void main(final String[] args)
        throws InterruptedException, InvocationTargetException, SecurityException, IOException {
    if (args.length > 1)
        throw new IllegalArgumentException(
                "SYNTAX:  java... " + TestBrowser.class.getName() + " [initialPath]");

    SwingUtilities.invokeAndWait(new Runnable() {

        @Override/* w ww.  j  a v  a  2  s  .c  o m*/
        public void run() {
            tryLoadSubstanceLookAndFeel();
            final JFrame f = new JFrame("OtrosVfsBrowser demo");
            Container contentPane = f.getContentPane();
            contentPane.setLayout(new BorderLayout());
            DataConfiguration dc = null;
            final PropertiesConfiguration propertiesConfiguration = new PropertiesConfiguration();
            File favoritesFile = new File("favorites.properties");
            propertiesConfiguration.setFile(favoritesFile);
            if (favoritesFile.exists()) {
                try {
                    propertiesConfiguration.load();
                } catch (ConfigurationException e) {
                    e.printStackTrace();
                }
            }
            dc = new DataConfiguration(propertiesConfiguration);
            propertiesConfiguration.setAutoSave(true);
            final VfsBrowser comp = new VfsBrowser(dc, (args.length > 0) ? args[0] : null);
            comp.setSelectionMode(SelectionMode.FILES_ONLY);
            comp.setMultiSelectionEnabled(true);
            comp.setApproveAction(new AbstractAction(Messages.getMessage("demo.showContentButton")) {
                @Override
                public void actionPerformed(ActionEvent e) {
                    FileObject[] selectedFiles = comp.getSelectedFiles();
                    System.out.println("Selected files count=" + selectedFiles.length);
                    for (FileObject selectedFile : selectedFiles) {
                        try {
                            FileSize fileSize = new FileSize(selectedFile.getContent().getSize());
                            System.out.println(selectedFile.getName().getURI() + ": " + fileSize.toString());
                            byte[] bytes = readBytes(selectedFile.getContent().getInputStream(), 150 * 1024l);
                            JScrollPane sp = new JScrollPane(new JTextArea(new String(bytes)));
                            JDialog d = new JDialog(f);
                            d.setTitle("Content of file: " + selectedFile.getName().getFriendlyURI());
                            d.getContentPane().add(sp);
                            d.setSize(600, 400);
                            d.setVisible(true);
                        } catch (Exception e1) {
                            LOGGER.error("Failed to read file", e1);
                            JOptionPane.showMessageDialog(f,
                                    (e1.getMessage() == null) ? e1.toString() : e1.getMessage(), "Error",
                                    JOptionPane.ERROR_MESSAGE);
                        }
                    }
                }
            });

            comp.setCancelAction(new AbstractAction(Messages.getMessage("general.cancelButtonText")) {
                @Override
                public void actionPerformed(ActionEvent e) {
                    f.dispose();
                    try {
                        propertiesConfiguration.save();
                    } catch (ConfigurationException e1) {
                        e1.printStackTrace();
                    }
                    System.exit(0);
                }
            });
            contentPane.add(comp);

            f.pack();
            f.setVisible(true);
            f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

        }
    });
}

From source file:pl.otros.vfs.browser.preview.PreviewListener.java

private void makePreview(final FileObject fileObjectToPreview) {
    if (worker != null) {
        worker.cancel(false);/* w w  w  . j av a2  s  .  c om*/
    }
    worker = new SwingWorker<PreviewStatus, PreviewStatus>() {
        private int previewLimit = 20 * 1024;
        private String name = fileObjectToPreview.getName().getBaseName();

        @Override
        protected PreviewStatus doInBackground() throws Exception {
            publish(new PreviewStatus(State.NOT_STARTED, 0, 1, KB, name, EMPTY_BYTE_ARRAY));
            for (int i = 0; i < 5; i++) {
                Thread.sleep(100);
                if (isCancelled()) {
                    return new PreviewStatus(State.CANCELLED, 0, previewLimit / 1024, KB, name,
                            EMPTY_BYTE_ARRAY);
                }
            }
            ByteArrayOutputStream outputStreamRef = null;
            try {
                try (ByteArrayOutputStream outputStream = new ByteArrayOutputStream(previewLimit);
                        InputStream inputStream = fileObjectToPreview.getContent().getInputStream()) {
                    outputStreamRef = outputStream;
                    byte[] buff = new byte[512];
                    int read;
                    int max = inputStream.available();
                    max = max == 0 ? previewLimit : Math.min(max, previewLimit);
                    while ((read = inputStream.read(buff)) > 0 && outputStream.size() < previewLimit) {
                        if (isCancelled()) {
                            return new PreviewStatus(State.CANCELLED, 0, max / 1024, KB, name,
                                    EMPTY_BYTE_ARRAY);
                        }
                        outputStream.write(buff, 0, read);
                        publish(new PreviewStatus(State.LOADING, outputStream.size() / 1024, max / 1024, KB,
                                name, outputStream.toByteArray()));
                    }
                }
            } catch (Exception e) {
                LOGGER.error("Exception when downloading preview", e);
                return new PreviewStatus(State.ERROR, outputStreamRef.size() / 1024,
                        outputStreamRef.size() / 1024, KB, name, outputStreamRef.toByteArray());
            }

            return new PreviewStatus(State.FINISHED, outputStreamRef.size() / 1024,
                    outputStreamRef.size() / 1024, KB, name, outputStreamRef.toByteArray());
        }

        @Override
        protected void done() {
            try {
                if (!isCancelled()) {
                    PreviewStatus previewStatus = get();
                    previewComponent.setPreviewStatus(previewStatus);
                }
            } catch (Exception e) {
                LOGGER.error("Exception when getting result of preview downloading", e);
            }
        }

        @Override
        protected void process(List<PreviewStatus> chunks) {
            PreviewStatus previewStatus = chunks.get(chunks.size() - 1);
            previewComponent.setPreviewStatus(previewStatus);
        }
    };
    executor.execute(worker);

}