Example usage for java.io FileInputStream read

Introduction

In this page you can find the example usage for java.io FileInputStream read.

Prototype

public int read(byte b[]) throws IOException 

Source Link

Document

Reads up to b.length bytes of data from this input stream into an array of bytes.

Usage

From source file:net.dries007.coremod.Coremod.java

public static String getChecksum(File file) {
    try {//from   w  w  w  . j av a  2 s  . c  o m
        final MessageDigest md = MessageDigest.getInstance("SHA1");
        final FileInputStream fis = new FileInputStream(file);
        final byte[] dataBytes = new byte[1024];

        int nread = 0;

        while ((nread = fis.read(dataBytes)) != -1) {
            md.update(dataBytes, 0, nread);
        }

        final byte[] mdbytes = md.digest();

        // convert the byte to hex format
        final StringBuffer sb = new StringBuffer("");
        for (int i = 0; i < mdbytes.length; i++) {
            sb.append(Integer.toString((mdbytes[i] & 0xff) + 0x100, 16).substring(1));
        }
        fis.close();

        return sb.toString();
    } catch (final NoSuchAlgorithmException e) {
        e.printStackTrace();
    } catch (final IOException e) {
        e.printStackTrace();
    }

    return null;
}

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From source file:Main.java

static void zipFile(File zipfile, ZipOutputStream zos, String name) throws IOException {
    // if we reached here, the File object f was not a directory 
    // create a FileInputStream on top of f

    FileInputStream fis = new FileInputStream(zipfile);
    try {//from   w w  w  .j  a  va 2  s . c om
        // create a new zip entry 
        ZipEntry anEntry = new ZipEntry(name);
        if (DEBUG)
            System.out.println("Add file : " + name);
        // place the zip entry in the ZipOutputStream object
        zos.putNextEntry(anEntry);
        // now write the content of the file to the
        // ZipOutputStream
        byte[] readBuffer = new byte[BUFFER_SIZE];
        for (int bytesIn = fis.read(readBuffer); bytesIn != -1; bytesIn = fis.read(readBuffer)) {
            zos.write(readBuffer, 0, bytesIn);
        }
    } finally {
        // close the Stream
        fis.close();
    }
}

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From source file:mtmo.test.mediadrm.Utils.java

public static byte[] readIPMPDataFromFile(boolean isVideo) {
    ByteArrayBuffer buffer = new ByteArrayBuffer(0);
    FileInputStream fis = null;
    byte[] buff = new byte[1024];
    int ret = 0;/* www  .j av  a2  s.  c om*/
    File file = null;
    String path;

    if (isVideo) {
        path = VIDEO_SINF;
    } else {
        path = AUDIO_SINF;
    }

    file = new File(path);
    if (!file.exists()) {
        return null;
    }

    try {
        fis = new FileInputStream(file);
        while ((ret = fis.read(buff)) > 0) {
            buffer.append(buff, 0, ret);
        }
    } catch (IOException e) {
        return null;
    } finally {
        if (fis != null) {
            try {
                fis.close();
            } catch (IOException e) {
            }
            fis = null;
        }
    }
    return buffer.buffer();
}

---

From source file:mtmo.test.mediadrm.Utils.java

public static byte[] readPsshDataFromFile(boolean isVideo) {
    ByteArrayBuffer buffer = new ByteArrayBuffer(0);
    FileInputStream fis = null;
    byte[] buff = new byte[1024];
    int ret = 0;//from  w w  w  .ja v  a2  s. com
    File file = null;
    String path;

    if (isVideo) {
        path = VIDEO_PSSH;
    } else {
        path = AUDIO_PSSH;
    }

    file = new File(path);
    if (!file.exists()) {
        return null;
    }

    try {
        fis = new FileInputStream(file);
        while ((ret = fis.read(buff)) > 0) {
            buffer.append(buff, 0, ret);
        }
    } catch (IOException e) {
        return null;
    } finally {
        if (fis != null) {
            try {
                fis.close();
            } catch (IOException e) {
            }
            fis = null;
        }
    }
    return buffer.buffer();
}

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From source file:packjacket.StaticUtils.java

/**
 * GZips the main log file//w w w  . j  ava 2  s  .c  o  m
 * @return the gzipped file
 * @throws IOException if any I/O error occurs
 */
public static File gzipLog() throws IOException {
    //Write out buffer of log file
    RunnerClass.nfh.flush();
    //Initialize log and gzip-log files
    File log = new File(RunnerClass.homedir + "pj.log");
    GZIPOutputStream out = new GZIPOutputStream(
            new FileOutputStream(new File(log.getCanonicalPath() + ".pjl")));
    FileInputStream in = new FileInputStream(log);

    //How many bytes to copy with each incrmental copy of file.
    int bufferSize = 4 * 1024;

    //Buffer into which data is read from source file
    byte[] buffer = new byte[bufferSize];
    //How many bytes read so far
    int bytesRead;
    //Runs until no bytes left to read from source
    while ((bytesRead = in.read(buffer)) >= 0)
        out.write(buffer, 0, bytesRead);
    //Close streams
    out.close();
    in.close();

    return new File(log.getCanonicalPath() + ".pjl");
}

---

From source file:com.lightbox.android.bitmap.BitmapUtils.java

private static String getFileMD5(File file) {
    try {/*  ww  w . j  av  a 2 s .  com*/
        MessageDigest md5 = MessageDigest.getInstance("MD5");
        md5.reset();

        FileInputStream fileInputStream = null;
        try {
            fileInputStream = new FileInputStream(file);
            byte[] buffer = new byte[8192];
            int count;
            while ((count = fileInputStream.read(buffer)) != -1) {
                md5.update(buffer, 0, count);
            }

            return md5ToString(md5.digest()).toString();
        } finally {
            IOUtils.closeQuietly(fileInputStream);
        }
    } catch (NoSuchAlgorithmException e) {
        Log.w(TAG, e);
    } catch (FileNotFoundException e) {
        Log.w(TAG, e);
    } catch (IOException e) {
        Log.w(TAG, e);
    }

    return "";
}

---

From source file:loadTest.loadTestLib.LUtil.java

public static boolean startDockerBuild() throws IOException, InterruptedException {
    if (useDocker) {
        if (runInDockerCluster) {

            HashMap<String, Integer> dockerNodes = getDockerNodes();
            String dockerTar = LUtil.class.getClassLoader().getResource("docker/loadTest.tar").toString()
                    .substring(5);//from w  w  w .ja va 2 s . co  m
            ExecutorService exec = Executors.newFixedThreadPool(dockerNodes.size());

            dockerError = false;
            doneDockers = 0;

            for (Entry<String, Integer> entry : dockerNodes.entrySet()) {
                exec.submit(new Runnable() {
                    @Override
                    public void run() {
                        try {
                            String url = entry.getKey() + "/images/vauvenal5/loadtest";
                            URL obj = new URL(url);
                            HttpURLConnection con = (HttpURLConnection) obj.openConnection();
                            con.setRequestMethod("DELETE");
                            con.setRequestProperty("force", "true");
                            int responseCode = con.getResponseCode();
                            con.disconnect();

                            url = entry.getKey()
                                    + "/build?t=vauvenal5/loadtest&dockerfile=./loadTest/Dockerfile";
                            obj = new URL(url);
                            con = (HttpURLConnection) obj.openConnection();
                            con.setRequestMethod("POST");
                            con.setRequestProperty("Content-type", "application/tar");
                            con.setDoOutput(true);
                            File file = new File(dockerTar);
                            FileInputStream fileStr = new FileInputStream(file);
                            byte[] b = new byte[(int) file.length()];
                            fileStr.read(b);
                            con.getOutputStream().write(b);
                            con.getOutputStream().flush();
                            con.getOutputStream().close();

                            responseCode = con.getResponseCode();

                            if (responseCode != 200) {
                                dockerError = true;
                            }

                            String msg = "";

                            do {
                                Thread.sleep(5000);
                                msg = "";
                                url = entry.getKey() + "/images/json";
                                obj = new URL(url);
                                HttpURLConnection con2 = (HttpURLConnection) obj.openConnection();
                                con2.setRequestMethod("GET");
                                responseCode = con2.getResponseCode();

                                BufferedReader in = new BufferedReader(
                                        new InputStreamReader(con2.getInputStream()));
                                String line = null;

                                while ((line = in.readLine()) != null) {
                                    msg += line;
                                }

                                con2.disconnect();
                            } while (!msg.contains("vauvenal5/loadtest"));

                            con.disconnect();
                            doneDockers++;
                        } catch (MalformedURLException ex) {
                            dockerError = true;
                        } catch (FileNotFoundException ex) {
                            dockerError = true;
                        } catch (IOException ex) {
                            dockerError = true;
                        } catch (InterruptedException ex) {
                            dockerError = true;
                        }
                    }
                });
            }

            while (doneDockers < dockerNodes.size()) {
                Thread.sleep(5000);
            }

            return !dockerError;
        }

        //get the path and substring the 'file:' from the URI
        String dockerfile = LUtil.class.getClassLoader().getResource("docker/loadTest").toString().substring(5);

        ProcessBuilder processBuilder = new ProcessBuilder("docker", "rmi", "-f", "vauvenal5/loadtest");
        processBuilder.redirectOutput(ProcessBuilder.Redirect.INHERIT);
        Process docker = processBuilder.start();

        docker.waitFor();

        processBuilder = new ProcessBuilder("docker", "build", "-t", "vauvenal5/loadtest", dockerfile);
        processBuilder.redirectOutput(ProcessBuilder.Redirect.INHERIT);
        Process proc = processBuilder.start();
        return proc.waitFor() == 0;
    }
    return true;
}

---

From source file:com.amalto.core.jobox.util.JoboxUtil.java

private static void zip(File file, String zipPath, ZipOutputStream zos) throws IOException {
    FileInputStream is = null;
    try {/* www.  ja  v a2  s .co  m*/
        byte[] buf = new byte[1024];
        // Add ZIP entry to output stream.
        zos.putNextEntry(new ZipEntry(zipPath));
        // Transfer bytes from the file to the ZIP file
        int len;
        is = new FileInputStream(file);
        while ((len = is.read(buf)) > 0) {
            zos.write(buf, 0, len);
        }
    } finally {
        IOUtils.closeQuietly(is);
    }
}

---

From source file:com.eryansky.common.utils.io.FileUtil.java

/**
 * ?//from   w w  w.  j  av a  2  s.c om
 * 
 * @param src
 *            ?
 * @param dst
 *            
 */
public static void copyFile(File src, File dst) {
    try {
        FileInputStream in = null;
        FileOutputStream out = null;
        try {
            out = new FileOutputStream(dst);
            in = new FileInputStream(src);
            byte[] buffer = new byte[1024];
            int len = 0;
            while ((len = in.read(buffer)) > 0) {
                out.write(buffer, 0, len);
            }
        } catch (Exception e) {
            e.printStackTrace();
            String dstpath = dst.getAbsolutePath();
            if (dstpath.lastIndexOf("/") != -1) {
                dstpath = dstpath.subSequence(0, dstpath.lastIndexOf("/")).toString();
            } else {
                dstpath = dstpath.subSequence(0, dstpath.lastIndexOf("\\")).toString();
            }
            createDirectory(dstpath);
            copyFile(src, dst);
        } finally {
            if (null != in) {
                in.close();
            }
            if (null != out) {
                out.close();
            }
        }
    } catch (Exception e) {
        e.printStackTrace();
    }
}

---

From source file:com.mosso.client.cloudfiles.sample.FilesCopy.java

/**
 *
 * @param folder//from  w  ww .j a  va  2s  . c  om
 * @return null if the input is not a folder otherwise a zip file containing all the files in the folder with nested folders skipped.
 * @throws IOException
 */
public static File zipFolder(File folder) throws IOException {
    byte[] buf = new byte[1024];
    int len;

    // Create the ZIP file
    String filenameWithZipExt = folder.getName() + ZIPEXTENSION;
    File zippedFile = new File(FilenameUtils.concat(SYSTEM_TMP.getAbsolutePath(), filenameWithZipExt));

    ZipOutputStream out = new ZipOutputStream(new FileOutputStream(zippedFile));

    if (folder.isDirectory()) {
        File[] files = folder.listFiles();

        for (File f : files) {
            if (!f.isDirectory()) {
                FileInputStream in = new FileInputStream(f);

                // Add ZIP entry to output stream.
                out.putNextEntry(new ZipEntry(f.getName()));

                // Transfer bytes from the file to the ZIP file
                while ((len = in.read(buf)) > 0) {
                    out.write(buf, 0, len);
                }

                // Complete the entry
                out.closeEntry();
                in.close();
            } else
                logger.warn("Skipping nested folder: " + f.getAbsoluteFile());
        }

        out.flush();
        out.close();
    } else {
        logger.warn("The folder name supplied is not a folder!");
        System.err.println("The folder name supplied is not a folder!");
        return null;
    }

    return zippedFile;
}

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