Example usage for java.io File length

Introduction

In this page you can find the example usage for java.io File length.

Prototype

public long length() 

Source Link

Document

Returns the length of the file denoted by this abstract pathname.

Usage

From source file:com.aurel.track.exchange.latex.exporter.LaTeXExportBL.java

/**
 * Serializes the docx content into the response's output stream
 * @param response/*from  ww  w. j  av  a 2s.c  om*/
 * @param wordMLPackage
 * @return
 */
public static String prepareReportResponse(HttpServletResponse response, TWorkItemBean workItem,
        ReportBeans reportBeans, TPersonBean user, Locale locale, String templateDir, String templateFile) {
    ReportBeansToLaTeXConverter rl = new ReportBeansToLaTeXConverter();
    File pdf = rl.generatePdf(workItem, reportBeans.getItems(), true, locale, user, "", "", false,
            new File(templateFile), new File(templateDir));
    String fileName = workItem.getSynopsis() + ".pdf";
    String contentType = "application/pdf";
    if (pdf.length() < 10) {
        pdf = new File(pdf.getParent() + "/errors.txt");
        fileName = workItem.getSynopsis() + ".txt";
        contentType = "text";
    }
    OutputStream outputStream = null;
    try {
        response.reset();
        response.setHeader("Content-Type", contentType);
        response.setHeader("Content-Disposition", "attachment; filename=\"" + fileName + "\"");
        DownloadUtil.prepareCacheControlHeader(ServletActionContext.getRequest(), response);
        outputStream = response.getOutputStream();
        InputStream is = new FileInputStream(pdf);
        IOUtils.copy(is, outputStream);
        is.close();
    } catch (FileNotFoundException e) {
        LOGGER.error(ExceptionUtils.getStackTrace(e));
    } catch (IOException e) {
        LOGGER.error("Getting the output stream failed with " + e.getMessage());
        LOGGER.error(ExceptionUtils.getStackTrace(e));
    } catch (Exception e) {
        LOGGER.error(ExceptionUtils.getStackTrace(e));
    }

    //            Docx4J.save(wordMLPackage, outputStream, Docx4J.FLAG_NONE);
    //            //wordMLPackage.save(outputStream);
    //            /*SaveToZipFile saver = new SaveToZipFile(wordMLPackage);
    //         saver.save(outputStream);*/
    //         } catch (Exception e) {
    //            LOGGER.error("Exporting the docx failed with throwable " + e.getMessage());
    //            LOGGER.debug(ExceptionUtils.getStackTrace(e));
    //         }
    return null;
}

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From source file:com.flexive.shared.FxFileUtils.java

/**
 * Load a file and base64 encode it/*from  ww w  .j  ava2s .co  m*/
 *
 * @param file the file to load
 * @return base64 encoded file content
 * @throws IOException on errors
 */
public static String loadBase64Encoded(File file) throws IOException {
    if (file == null || !file.exists() || file.length() == 0)
        return "";
    return FxFormatUtils.encodeBase64(getBytes(file));
}

---

From source file:com.microsoft.windowsazure.management.compute.ComputeManagementIntegrationTestBase.java

protected static void uploadFileToBlob(String storageAccountName, String storageContainer, String fileName,
        String filePath)//from w w w. j  a va 2 s  .c om
        throws InvalidKeyException, URISyntaxException, StorageException, InterruptedException, IOException {
    MockCloudBlobClient blobClient = createBlobClient(storageAccountName, storageAccountKey);
    MockCloudBlobContainer container = blobClient.getContainerReference(storageContainer);

    MockCloudPageBlob pageblob = container.getPageBlobReference(fileName);

    File source = new File(filePath + fileName);
    pageblob.upload(new FileInputStream(source), source.length());

    //make sure it created and available, otherwise vm deployment will fail with storage/container still creating
    boolean found = false;
    while (found == false) {
        // Loop over blobs within the container and output the URI to each of them
        for (MockListBlobItem item : container.listBlobs()) {
            if (item.getUri().getPath().contains(fileName) == true) {
                found = true;
            }
        }

        if (found == false) {
            Thread.sleep(1000 * 10);
        } else if (!IS_MOCKED) {
            Thread.sleep(1000 * 20);
        }
    }
}

---

From source file:Main.java

/**
 *Valid plugin  md5// w  ww  .j  av a 2s  .c om
 * @param path   bundle archvie path
 * @param md5Sum   target  file md5
 * @return  if md5 matched,return true
 * ***/
public static boolean validFileMD5(String path, String md5Sum) {

    try {
        MessageDigest messageDigest = MessageDigest.getInstance("MD5");
        File mFile = new File(path);
        if (mFile == null || !mFile.exists() || !mFile.isFile()) {
            return false;
        }
        FileInputStream in = new FileInputStream(mFile);
        FileChannel ch = in.getChannel();
        MappedByteBuffer byteBuffer = ch.map(FileChannel.MapMode.READ_ONLY, 0, mFile.length());
        messageDigest.update(byteBuffer);
        String digest = String.format("%032x", new BigInteger(1, messageDigest.digest()));
        return md5Sum.equals(digest.toString());
    } catch (NoSuchAlgorithmException e) {

        e.printStackTrace();
    } catch (FileNotFoundException e) {

        e.printStackTrace();
    } catch (IOException e) {

    }
    return false;
}

---

From source file:Main.java

public static StringBuilder listFilesByName(File f, String lineSep) {
    Log.d("listFileByName f", "" + f);
    StringBuilder sb = new StringBuilder();
    if (f != null) {
        final Stack<File> stk = new Stack<>();
        if (f.isDirectory()) {
            stk.push(f);//from  www. j a v  a2  s. c  om
        } else {
            sb.append(f.getAbsolutePath()).append(": ").append(f.length()).append(" bytes.").append(lineSep);
        }
        File fi = null;
        File[] fs;
        while (stk.size() > 0) {
            fi = stk.pop();
            fs = fi.listFiles();
            for (File f2 : fs) {
                if (f2.isDirectory()) {
                    stk.push(f2);
                } else {
                    sb.append(f2.getAbsolutePath()).append(": ").append(f2.length()).append(" bytes.")
                            .append(lineSep);
                }
            }
        }

    }
    return sb;
}

---

From source file:ch.entwine.weblounge.common.impl.util.TestUtils.java

/**
 * Loads the <code>XML</code> data from the specified file on the class path
 * and returns it after having stripped off any newlines, line breaks and
 * otherwise disturbing spaces and characters.
 * // w  w w . ja v  a  2s.c o  m
 * @param path
 *          the resource path
 * @return the contents of the resource
 */
public static String loadXmlFromResource(String path) {
    File templateFile = new File(TestUtils.class.getResource(path).getPath());
    String template = null;
    try {
        byte[] buffer = new byte[(int) templateFile.length()];
        FileInputStream f = new FileInputStream(templateFile);
        f.read(buffer);
        f.close();
        template = new String(buffer, "utf-8").replaceFirst("<\\?.*?>", "");
        template = template.replaceAll("(>\\s*)+", ">").replaceAll("(\\s*<)+", "<");
    } catch (IOException e) {
        throw new RuntimeException("Error reading test resource at " + path);
    }
    return template;
}

---

From source file:com.flexive.shared.FxFileUtils.java

/**
 * Load a file into a byte array/*from  www.  j a  v  a 2  s.  co  m*/
 *
 * @param file the file to load
 * @return byte[]
 * @throws IOException on errors
 */
public static byte[] getBytes(File file) throws IOException {
    InputStream is = null;
    if (file.length() > Integer.MAX_VALUE)
        throw new IOException("File " + file.getAbsolutePath() + " is too large!");

    byte[] bytes = new byte[(int) file.length()];
    try {
        is = new FileInputStream(file);

        int curr = 0;
        int read;
        while (curr < bytes.length && (read = is.read(bytes, curr, bytes.length - curr)) >= 0)
            curr += read;
        if (curr < bytes.length)
            throw new IOException("Failed to fully read " + file.getAbsolutePath() + "!");
    } finally {
        if (is != null)
            is.close();
    }
    return bytes;
}

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From source file:com.maydesk.base.util.PDUtil.java

public static byte[] readBytesFromFile(File file) throws IOException {
    byte[] bytesOfFile = new byte[(int) file.length()];
    DataInputStream dis = new DataInputStream(new FileInputStream(file));
    dis.readFully(bytesOfFile);//from  w w w  .j  ava  2  s .co m
    dis.close();
    return bytesOfFile;
}

---

From source file:ch.entwine.weblounge.common.impl.util.TestUtils.java

/**
 * Loads the <code>JSON</code> data from the specified file on the class path
 * and returns it after having stripped off any newlines, line breaks and
 * otherwise disturbing spaces and characters.
 * //from www.j a  v  a  2 s .  c  o m
 * @param path
 *          the resource path
 * @return the contents of the resource
 */
public static String loadJsonFromResource(String path) {
    File templateFile = new File(TestUtils.class.getResource(path).getPath());
    String template = null;
    try {
        byte[] buffer = new byte[(int) templateFile.length()];
        FileInputStream f = new FileInputStream(templateFile);
        f.read(buffer);
        f.close();
        template = new String(buffer, "utf-8");
        template = template.replaceAll("(\"\\s*)", "\"").replaceAll("(\\s*\")+", "\"");
        template = template.replaceAll("(\\s*\\{\\s*)", "{").replaceAll("(\\s*\\}\\s*)", "}");
        template = template.replaceAll("(\\s*\\[\\s*)", "[").replaceAll("(\\s*\\]\\s*)", "]");
        template = template.replaceAll("(\\s*,\\s*)", ",");
    } catch (IOException e) {
        throw new RuntimeException("Error reading test resource at " + path);
    }
    return template;
}

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From source file:jetbrains.exodus.env.EnvironmentTestsBase.java

public static void archiveDB(final String location, final String target) {
    try {//from   w  w  w  .j a  v a 2  s.c  om
        System.out.println("Dumping " + location + " to " + target);
        final File root = new File(location);
        final File targetFile = new File(target);
        TarArchiveOutputStream tarGz = new TarArchiveOutputStream(
                new GZIPOutputStream(new BufferedOutputStream(new FileOutputStream(targetFile)), 0x1000));
        for (final File file : IOUtil.listFiles(root)) {
            final long fileSize = file.length();
            if (file.isFile() && fileSize != 0) {
                CompressBackupUtil.archiveFile(tarGz, "", file, fileSize);
            }
        }
        tarGz.close();
    } catch (IOException ioe) {
        System.out.println("Can't create backup");
    }
}

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