Example usage for java.io FileOutputStream write

Introduction

In this page you can find the example usage for java.io FileOutputStream write.

Prototype

public void write(byte b[], int off, int len) throws IOException 

Source Link

Document

Writes len bytes from the specified byte array starting at offset off to this file output stream.

Usage

From source file:com.bukanir.android.utils.Utils.java

public static String unzipSubtitle(String zip, String path) {
    InputStream is;/*ww w .j a  v  a  2 s  .  co m*/
    ZipInputStream zis;
    try {
        String filename = null;
        is = new FileInputStream(zip);
        zis = new ZipInputStream(new BufferedInputStream(is));
        ZipEntry ze;
        byte[] buffer = new byte[1024];
        int count;

        while ((ze = zis.getNextEntry()) != null) {
            filename = ze.getName();

            if (ze.isDirectory()) {
                File fmd = new File(path + "/" + filename);
                fmd.mkdirs();
                continue;
            }

            if (filename.endsWith(".srt") || filename.endsWith(".sub")) {
                FileOutputStream fout = new FileOutputStream(path + "/" + filename);
                while ((count = zis.read(buffer)) != -1) {
                    fout.write(buffer, 0, count);
                }
                fout.close();
                zis.closeEntry();
                break;
            }
            zis.closeEntry();
        }
        zis.close();

        File z = new File(zip);
        z.delete();

        return path + "/" + filename;

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

}

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From source file:deodex.tools.ZipTools.java

/**
 * extract an odex file from .xz file/* w w w  .  j  a v a 2 s .  c om*/
 * 
 * @returns success only if an odex file was extracted
 * @param odex
 *            the odex file to decompress
 * @throws IOException
 *             well we are using IOs Exception might be thrown
 */
public static boolean extractOdex(File odex) throws IOException {
    File Decomdex;
    if (odex.getName().endsWith(S.ODEX_EXT)) {
        Logger.appendLog("[ZipTools][I]Decompressing  " + odex.getName() + " not needed");
        return true;
    } else if (odex.getName().endsWith(S.COMP_GZ_ODEX_EXT)) {
        Logger.appendLog("[ZipTools][I]Decompressing  " + odex.getName() + " gzip detected ...");
        return TarGzUtils.unGzipOdex(odex, odex.getParentFile());
    } else {
        Logger.appendLog("[ZipTools][I]Decompressing  " + odex.getName() + " xz compression detected ...");
        Decomdex = new File(odex.getParentFile().getAbsolutePath() + "/"
                + StringUtils.getCropString(odex.getName(), odex.getName().length() - 3));
        Logger.appendLog("[ZipTools][I]Decompressing  " + odex.getAbsolutePath() + "  to  "
                + Decomdex.getAbsolutePath());
        FileInputStream fin = new FileInputStream(odex);
        BufferedInputStream in = new BufferedInputStream(fin);
        FileOutputStream out = new FileOutputStream(Decomdex);
        XZCompressorInputStream xzIn = new XZCompressorInputStream(in);
        final byte[] buffer = new byte[32768];
        int n = 0;
        while (-1 != (n = xzIn.read(buffer))) {
            out.write(buffer, 0, n);
        }
        out.close();
        xzIn.close();

    }
    Logger.appendLog("[ZipTools][I]Decompressing  " + odex.getAbsolutePath() + "  to  "
            + Decomdex.getAbsolutePath() + " success ? " + Decomdex.exists());
    return Decomdex.exists();
}

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From source file:ie.deri.unlp.javaservices.topicextraction.topicextractor.gate.TopicExtractorGate.java

/**
 * /*  w w w . j ava  2 s.  c o m*/
 * Extract a directory in a JAR on the classpath to an output folder.
 * 
 * Note: User's responsibility to ensure that the files are actually in a JAR.
 * 
 * @param classInJar A class in the JAR file which is on the classpath
 * @param resourceDirectory Path to resource directory in JAR
 * @param outputDirectory Directory to write to  
 * @return String containing the path to the outputDirectory
 * @throws IOException
 */
private static String extractDirectoryFromClasspathJAR(Class<?> classInJar, String resourceDirectory,
        String outputDirectory) throws IOException {

    resourceDirectory = StringUtils.strip(resourceDirectory, "\\/") + File.separator;

    URL jar = classInJar.getProtectionDomain().getCodeSource().getLocation();
    JarFile jarFile = new JarFile(new File(jar.getFile()));

    byte[] buf = new byte[1024];
    Enumeration<JarEntry> jarEntries = jarFile.entries();
    while (jarEntries.hasMoreElements()) {
        JarEntry jarEntry = jarEntries.nextElement();
        if (jarEntry.isDirectory() || !jarEntry.getName().startsWith(resourceDirectory)) {
            continue;
        }

        String outputFileName = FilenameUtils.concat(outputDirectory, jarEntry.getName());
        //Create directories if they don't exist
        new File(FilenameUtils.getFullPath(outputFileName)).mkdirs();

        //Write file
        FileOutputStream fileOutputStream = new FileOutputStream(outputFileName);
        int n;
        InputStream is = jarFile.getInputStream(jarEntry);
        while ((n = is.read(buf, 0, 1024)) > -1) {
            fileOutputStream.write(buf, 0, n);
        }
        is.close();
        fileOutputStream.close();
    }
    jarFile.close();

    String fullPath = FilenameUtils.concat(outputDirectory, resourceDirectory);
    return fullPath;
}

---

From source file:com.alexoree.jenkins.Main.java

private static String download(String localName, String remoteUrl) throws Exception {
    URL obj = new URL(remoteUrl);
    HttpURLConnection conn = (HttpURLConnection) obj.openConnection();
    conn.setReadTimeout(5000);//from  www  .  j a  va2  s .  c o  m

    System.out.println("Request URL ... " + remoteUrl);

    boolean redirect = false;

    // normally, 3xx is redirect
    int status = conn.getResponseCode();
    if (status != HttpURLConnection.HTTP_OK) {
        if (status == HttpURLConnection.HTTP_MOVED_TEMP || status == HttpURLConnection.HTTP_MOVED_PERM
                || status == HttpURLConnection.HTTP_SEE_OTHER)
            redirect = true;
    }

    if (redirect) {

        // get redirect url from "location" header field
        String newUrl = conn.getHeaderField("Location");

        // get the cookie if need, for login
        String cookies = conn.getHeaderField("Set-Cookie");

        // open the new connnection again
        conn = (HttpURLConnection) new URL(newUrl).openConnection();

        String version = newUrl.substring(newUrl.lastIndexOf("/", newUrl.lastIndexOf("/") - 1) + 1,
                newUrl.lastIndexOf("/"));
        String pluginname = localName.substring(localName.lastIndexOf("/") + 1);
        String ext = "";
        if (pluginname.endsWith(".war"))
            ext = ".war";
        else
            ext = ".hpi";

        pluginname = pluginname.replace(ext, "");
        localName = localName.replace(pluginname + ext,
                "/download/plugins/" + pluginname + "/" + version + "/");
        new File(localName).mkdirs();
        localName += pluginname + ext;
        System.out.println("Redirect to URL : " + newUrl);

    }
    if (new File(localName).exists()) {
        System.out.println(localName + " exists, skipping");
        return localName;
    }

    byte[] buffer = new byte[2048];

    FileOutputStream baos = new FileOutputStream(localName);
    InputStream inputStream = conn.getInputStream();
    int totalBytes = 0;
    int read = inputStream.read(buffer);
    while (read > 0) {
        totalBytes += read;
        baos.write(buffer, 0, read);
        read = inputStream.read(buffer);
    }
    System.out.println("Retrieved " + totalBytes + "bytes");

    return localName;

}

---

From source file:de.flapdoodle.embedmongo.Files.java

private static void copyFile(File source, File destination) throws IOException {
    FileInputStream reader = null;
    FileOutputStream writer = null;
    try {//from ww w.  j  a  v  a  2 s  .c om
        reader = new FileInputStream(source);
        writer = new FileOutputStream(destination);

        int read;
        byte[] buf = new byte[512];
        while ((read = reader.read(buf)) != -1) {
            writer.write(buf, 0, read);
        }

    } finally {
        if (reader != null)
            reader.close();
        if (writer != null)
            writer.close();
    }
}

---

From source file:com.ecofactor.qa.automation.platform.util.FileUtil.java

/**
 * Un zip a file to a destination folder.
 * @param zipFile the zip file//from w  ww . ja  v a2 s  .  co m
 * @param outputFolder the output folder
 */
public static void unZipFile(final String zipFile, final String outputFolder) {

    LogUtil.setLogString("UnZip the File", true);
    final byte[] buffer = new byte[1024];
    int len;
    try {
        // create output directory is not exists
        final File folder = new File(outputFolder);
        if (!folder.exists()) {
            folder.mkdir();
        }
        // get the zip file content
        final ZipInputStream zis = new ZipInputStream(new FileInputStream(zipFile));
        final StringBuilder outFolderPath = new StringBuilder();
        final StringBuilder fileLogPath = new StringBuilder();
        ZipEntry zipEntry;
        while ((zipEntry = zis.getNextEntry()) != null) {
            final String fileName = zipEntry.getName();
            final File newFile = new File(
                    outFolderPath.append(outputFolder).append(File.separator).append(fileName).toString());
            LogUtil.setLogString(
                    fileLogPath.append("file unzip : ").append(newFile.getAbsoluteFile()).toString(), true);
            // create all non exists folders
            // else you will hit FileNotFoundException for compressed folder
            new File(newFile.getParent()).mkdirs();
            final FileOutputStream fos = new FileOutputStream(newFile);

            while ((len = zis.read(buffer)) > 0) {
                fos.write(buffer, 0, len);
            }
            fos.close();
            fileLogPath.setLength(0);
            outFolderPath.setLength(0);
        }

        zis.closeEntry();
        zis.close();

        LogUtil.setLogString("Done", true);

    } catch (IOException ex) {
        LOGGER.error("Error in unzip file", ex);
    }
}

---

From source file:com.bahmanm.karun.Utils.java

/**
 * Extracts a gzip'ed tar archive.//from   w  ww .j av  a  2s  .  c  om
 * 
 * @param archivePath Path to archive
 * @param destDir Destination directory
 * @throws IOException 
 */
public synchronized static void extractTarGz(String archivePath, File destDir)
        throws IOException, ArchiveException {
    // copy
    File tarGzFile = File.createTempFile("karuntargz", "", destDir);
    copyFile(archivePath, tarGzFile.getAbsolutePath());

    // decompress
    File tarFile = File.createTempFile("karuntar", "", destDir);
    FileInputStream fin = new FileInputStream(tarGzFile);
    BufferedInputStream bin = new BufferedInputStream(fin);
    FileOutputStream fout = new FileOutputStream(tarFile);
    GzipCompressorInputStream gzIn = new GzipCompressorInputStream(bin);
    final byte[] buffer = new byte[1024];
    int n = 0;
    while (-1 != (n = gzIn.read(buffer))) {
        fout.write(buffer, 0, n);
    }
    bin.close();
    fin.close();
    gzIn.close();
    fout.close();

    // extract
    final InputStream is = new FileInputStream(tarFile);
    ArchiveInputStream ain = new ArchiveStreamFactory().createArchiveInputStream("tar", is);
    TarArchiveEntry entry = null;
    while ((entry = (TarArchiveEntry) ain.getNextEntry()) != null) {
        OutputStream out;
        if (entry.isDirectory()) {
            File f = new File(destDir, entry.getName());
            f.mkdirs();
            continue;
        } else
            out = new FileOutputStream(new File(destDir, entry.getName()));
        IOUtils.copy(ain, out);
        out.close();
    }
    ain.close();
    is.close();
}

---

From source file:Util.java

public static boolean retreiveBinaryFileFromJar(String resourceName, String targetDirectory, Object resource)
        throws Exception {
    boolean found = false;
    if (resourceName != null) {
        InputStream is = resource.getClass().getResourceAsStream(resourceName);
        if (is == null)
            throw new Exception("Resource " + resourceName + " was not found.");
        BufferedReader br = new BufferedReader(new InputStreamReader(is));
        FileOutputStream fos = new FileOutputStream(targetDirectory + File.separator
                + resourceName.substring(resourceName.lastIndexOf('/'), resourceName.length()));
        byte[] buffer = new byte[1024];
        int bytesRead;

        while ((bytesRead = is.read(buffer)) != -1) {
            fos.write(buffer, 0, bytesRead);
        }/*from   w ww . ja va2s . c o  m*/
        fos.flush();
        br.close();
        is.close();
        found = true;
    } else {
        found = false;
    }
    return found;
}

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From source file:eu.optimis.tf.ip.service.utils.PropertiesUtils.java

private static void createDefaultConfigFile(File fileObject) throws Exception {
    log.info("TRUST: File " + fileObject.getAbsolutePath()
            + " didn't exist. Creating one with default values...");

    // Create parent directories.
    log.info("TRUST: Creating parent directories.");
    new File(fileObject.getParent()).mkdirs();

    // Create an empty file to copy the contents of the default file.
    log.info("TRUST: Creating empty file.");
    new File(fileObject.getAbsolutePath()).createNewFile();

    // Copy file.
    log.info("TRUST: Copying file " + fileObject.getName());
    InputStream streamIn = PropertiesUtils.class.getResourceAsStream("/" + fileObject.getName());
    FileOutputStream streamOut = new FileOutputStream(fileObject.getAbsolutePath());
    byte[] buf = new byte[8192];
    while (true) {
        int length = streamIn.read(buf);
        if (length < 0) {
            break;
        }//  w  ww .  j  a  v  a2s  .  c  o m
        streamOut.write(buf, 0, length);
    }

    // Close streams after copying.
    try {
        streamIn.close();
    } catch (IOException ignore) {
        log.error("TRUST: Couldn't close input stream");
    }
    try {
        streamOut.close();
    } catch (IOException ignore) {
        log.error("TRUST: Couldn't close file output stream");
    }
}

---

From source file:com.microsoft.tooling.msservices.helpers.ServiceCodeReferenceHelper.java

private static void saveUrl(String filename, String urlString) throws IOException {
    InputStream in = null;/*from   w  ww  . j a va2 s  . c  o  m*/
    FileOutputStream fout = null;

    try {
        in = new URL(urlString).openStream();
        fout = new FileOutputStream(filename);

        byte data[] = new byte[1024];
        int count;

        while ((count = in.read(data, 0, 1024)) != -1) {
            fout.write(data, 0, count);
        }
    } finally {
        if (in != null) {
            in.close();
        }

        if (fout != null) {
            fout.close();
        }
    }
}

---

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