Example usage for org.apache.commons.io FileUtils writeByteArrayToFile

List of usage examples for org.apache.commons.io FileUtils writeByteArrayToFile

  1. HOME
  2. Java
  3. org.apache.commons
  4. org.apache.commons.io.*
  5. FileUtils
  6. writeByteArrayToFile

Introduction

In this page you can find the example usage for org.apache.commons.io FileUtils writeByteArrayToFile.

Prototype

public static void writeByteArrayToFile(File file, byte[] data) throws IOException

Source Link

Document

Writes a byte array to a file creating the file if it does not exist.

Usage

From source file:edu.xjtu.qxcamerabridge.LiveviewImageExtractor.java

private static void dumpToDisk(String dumpFolder, LiveviewPayload payload) {
    //        System.out.println("dumping");
    String targetFileName = "liveview_" + payload.timestamp + "_" + payload.sequenceNumber + ".jpg";
    try {//w  w w  . jav a2 s.c  o m
        FileUtils.writeByteArrayToFile(new File(dumpFolder, targetFileName), payload.jpegData);
    } catch (IOException ex) {
        Logger.getLogger(LiveviewImageExtractor.class.getName()).log(Level.SEVERE, null, ex);
    }
}

From source file:controllers.CarPropertyController.java

@RequestMapping("/updateFromXml")
public String updateFromXml(Map<String, Object> model,
        @RequestParam(value = "xlsFile", required = false) MultipartFile file, RedirectAttributes ras) {
    if (file == null || file.isEmpty()) {
        ras.addFlashAttribute("error", "File not found");
    } else {//from   ww  w.j  a v  a 2  s. co  m
        File newFile = new File("/usr/local/etc/CarProperty");
        if (newFile.exists()) {
            newFile.delete();
        }
        try {
            FileUtils.writeByteArrayToFile(newFile, file.getBytes());
            carPropertyService.updateFromXml(newFile);
            ras.addFlashAttribute("error", carPropertyService.getResult().getErrors());
        } catch (Exception e) {
            ras.addFlashAttribute("error", "updateFromXml" + StringAdapter.getStackTraceException(e));
        }
        if (newFile.exists()) {
            newFile.delete();
        }
    }
    return "redirect:/CarProperty/show";
}

From source file:de.undercouch.gradle.tasks.download.DownloadTaskPluginTest.java

/**
 * Runs an embedded HTTP server and creates test files to serve
 * @throws Exception if the server could not be started
 *///w w  w.  j  a  v a 2s . c  om
@Before
public void setUp() throws Exception {
    //run server on any free port
    server = new Server(0);

    //serve resources from temporary folder
    ResourceHandler resourceHandler = new ResourceHandler();
    resourceHandler.setBaseResource(Resource.newResource(folder.getRoot().getAbsolutePath()));

    //echo X-* headers back in response body
    ContextHandler echoHeadersHandler = new ContextHandler("/echo-headers") {
        @Override
        public void handle(String target, HttpServletRequest request, HttpServletResponse response,
                int dispatch) throws IOException, ServletException {
            response.setStatus(200);
            PrintWriter rw = response.getWriter();
            rw.write("headers:\n");
            Enumeration<String> headerNames = request.getHeaderNames();
            while (headerNames.hasMoreElements()) {
                String name = headerNames.nextElement();
                if (name.startsWith("X-")) {
                    rw.write(String.format("  %s: %s\n", name, request.getHeader(name)));
                }
            }
            rw.close();
        }
    };

    HandlerList handlers = new HandlerList();
    handlers.setHandlers(new Handler[] { resourceHandler, echoHeadersHandler, new DefaultHandler() });
    server.setHandler(handlers);

    server.start();

    //create temporary files
    contents = new byte[4096];
    contents2 = new byte[4096];
    for (int i = 0; i < contents.length; ++i) {
        contents[i] = (byte) (Math.random() * 255);
        contents2[i] = (byte) (Math.random() * 255);
    }

    File testFile = folder.newFile(TEST_FILE_NAME);
    FileUtils.writeByteArrayToFile(testFile, contents);
    File testFile2 = folder.newFile(TEST_FILE_NAME2);
    FileUtils.writeByteArrayToFile(testFile2, contents2);
}

From source file:com.cedarsoft.crypt.HashTest.java

License:asdf

@Test
public void testIt() throws NoSuchAlgorithmException, IOException {
    URL paris = getClass().getResource("/paris.jpg");
    assertNotNull(paris);/*from w ww  .j ava  2s  .  c  om*/

    assertEquals("fbd5f9b6c0fd2035c490e46be0bc3ec3",
            HashCalculator.calculate(Algorithm.MD5, paris).getValueAsHex());//value read using md5sum cmd line tool
    assertEquals("aa5371938c4190543bddcfc1193a247717feba06",
            HashCalculator.calculate(Algorithm.SHA1, paris).getValueAsHex());//value read using sha1sum cmd line tool

    assertEquals("aa5371938c4190543bddcfc1193a247717feba06",
            HashCalculator.calculate(Algorithm.SHA1, IOUtils.toByteArray(paris.openStream())).getValueAsHex());
    assertEquals("aa5371938c4190543bddcfc1193a247717feba06",
            HashCalculator.calculate(Algorithm.SHA1, paris.openStream()).getValueAsHex());

    File file = tmp.newFile("paris.jpg");
    FileUtils.writeByteArrayToFile(file, IOUtils.toByteArray(paris.openStream()));
    assertEquals("aa5371938c4190543bddcfc1193a247717feba06",
            HashCalculator.calculate(Algorithm.SHA1, file).getValueAsHex());
}

From source file:com.validation.manager.core.server.core.AttachmentServer.java

public File getAttachedFile(String dest) {
    File result;/*from  w w w . ja  va 2  s.co m*/
    try {
        result = new File(dest + File.separator + getFileName());
        result.deleteOnExit();
        FileUtils.writeByteArrayToFile(result, getFile());
    } catch (IOException ex) {
        Exceptions.printStackTrace(ex);
        result = null;
    }
    return result;
}

From source file:controllers.ColorController.java

@RequestMapping("/updateFromXml")
public String updateFromXml(Map<String, Object> model,
        @RequestParam(value = "xlsFile", required = false) MultipartFile file, RedirectAttributes ras) {
    if (file == null || file.isEmpty()) {
        ras.addFlashAttribute("error", "File not found");
    } else {/* w w  w .j a  v  a2 s  .c  o m*/
        File newFile = new File("/usr/local/etc/Color");
        if (newFile.exists()) {
            newFile.delete();
        }
        try {
            FileUtils.writeByteArrayToFile(newFile, file.getBytes());
            colorService.updateFromXml(newFile);
            ras.addFlashAttribute("error", colorService.getResult().getErrors());
        } catch (Exception e) {
            ras.addFlashAttribute("error", "updateFromXml" + e.getMessage());
        }
        if (newFile.exists()) {
            newFile.delete();
        }
    }
    return "redirect:/Color/show";
}

From source file:controllers.ColorGroupController.java

@RequestMapping("/updateFromXml")
public String updateFromXml(Map<String, Object> model,
        @RequestParam(value = "xlsFile", required = false) MultipartFile file, RedirectAttributes ras) {
    if (file == null || file.isEmpty()) {
        ras.addFlashAttribute("error", "File not found");
    } else {//w  ww.j av a  2s  .c om
        File newFile = new File("/usr/local/etc/ColorGroup");
        if (newFile.exists()) {
            newFile.delete();
        }
        try {
            FileUtils.writeByteArrayToFile(newFile, file.getBytes());
            colorGroupService.updateFromXml(newFile);
            ras.addFlashAttribute("error", colorGroupService.getResult().getErrors());
        } catch (Exception e) {
            ras.addFlashAttribute("error", "updateFromXml" + e.getMessage());
        }
        if (newFile.exists()) {
            newFile.delete();
        }
    }
    return "redirect:/ColorGroup/show";
}

From source file:com.sangupta.clitools.file.RandomFile.java

private void createFile(int bytes, File file) {
    final int bufferSize = 2048;
    if (bytes < bufferSize) {
        byte[] data = new byte[bytes];
        fillRandomData(data);// w  w  w  .  j  av  a2 s. co  m
        try {
            FileUtils.writeByteArrayToFile(file, data);
        } catch (IOException e) {
            System.out.println("Unable to write file to disk.");
            e.printStackTrace();
        }

        return;
    }

    final long chunks = bytes / bufferSize;
    byte[] data = new byte[bufferSize];

    FileOutputStream fileStream = null;
    BufferedOutputStream stream = null;
    try {
        fileStream = new FileOutputStream(file);
        stream = new BufferedOutputStream(fileStream);

        for (int ch = 0; ch < chunks; ch++) {
            if (!this.fastMode) {
                fillRandomData(data);
            }

            stream.write(data);
        }

        // last min chunk
        int pending = bytes % bufferSize;
        if (pending == 0) {
            return;
        }

        data = new byte[pending];
        fillRandomData(data);
        stream.write(data);
    } catch (FileNotFoundException e) {
        // this should never happen
    } catch (IOException e) {
        System.out.println("Unable to write file to disk.");
        e.printStackTrace();
        return;
    } finally {
        IOUtils.closeQuietly(stream);
        IOUtils.closeQuietly(fileStream);
    }
}

From source file:glluch.com.ontotaxoseeker.TestsGen.java

public void testtestConceptsCountResults() throws IOException {
    TaxoPath tp = new TaxoPath();
    PathsCount pc = tp.findPaths(DOC);//from w w w .  ja v  a2  s .  c  o m
    File target = new File("resources/test/testConceptsCountResults.bin");
    byte[] vs = SerializationUtils.serialize(pc);
    FileUtils.writeByteArrayToFile(target, vs);
}

From source file:com.smash.revolance.ui.explorer.Explorer.java

private File storeApplication(byte[] application) throws IOException {
    File file = File.createTempFile(UUID.randomUUID().toString(), "jar");
    FileUtils.writeByteArrayToFile(file, application);
    return file;/*www .  j  a v a 2s .  co  m*/
}