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:Main.java

public static void unZipFolder(InputStream input, String outPathString) throws Exception {
    java.util.zip.ZipInputStream inZip = new java.util.zip.ZipInputStream(input);
    java.util.zip.ZipEntry zipEntry = null;
    String szName = "";

    while ((zipEntry = inZip.getNextEntry()) != null) {
        szName = zipEntry.getName();/* ww  w.j a v a2  s  .com*/

        if (zipEntry.isDirectory()) {

            // get the folder name of the widget
            szName = szName.substring(0, szName.length() - 1);
            java.io.File folder = new java.io.File(outPathString + java.io.File.separator + szName);
            folder.mkdirs();

        } else {

            java.io.File file = new java.io.File(outPathString + java.io.File.separator + szName);
            file.createNewFile();
            // get the output stream of the file
            java.io.FileOutputStream out = new java.io.FileOutputStream(file);
            int len;
            byte[] buffer = new byte[1024];
            // read (len) bytes into buffer
            while ((len = inZip.read(buffer)) != -1) {
                // write (len) byte from buffer at the position 0
                out.write(buffer, 0, len);
                out.flush();
            }
            out.close();
        }
    } //end of while

    inZip.close();
}

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From source file:net.emotivecloud.scheduler.drp4one.ConfigManager.java

private static void createDefaultConfigFile(File fileObject) throws Exception {
    log.debug("File " + fileObject.getAbsolutePath() + " didn't exist. Creating one with default values...");
    System.out.println(//from   w w  w .  j a v  a2  s.  c o m
            "File " + fileObject.getAbsolutePath() + " didn't exist. Creating one with default values...");

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

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

    //Copy file.
    log.debug("Copying file " + fileObject.getName());
    InputStream streamIn = ConfigManager.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;
        }
        streamOut.write(buf, 0, length);
    }

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

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From source file:de.pksoftware.springstrap.sapi.util.WebappZipper.java

/**
 * Unzip it/*from w  w w . j  a  v  a2  s  .com*/
 * @param zipFile input zip file
 * @param output zip file output folder
 */
public static void unzip(String zipFile, String outputFolder) {
    logger.info("Unzipping {} into {}.", zipFile, outputFolder);

    byte[] buffer = new byte[1024];

    try {

        //get the zip file content
        ZipInputStream zis = new ZipInputStream(new FileInputStream(zipFile));
        //get the zipped file list entry
        ZipEntry ze = zis.getNextEntry();

        while (ze != null) {
            if (ze.isDirectory()) {
                ze = zis.getNextEntry();
                continue;
            }

            String fileName = ze.getName();
            File newFile = new File(outputFolder + File.separator + fileName);

            logger.debug("Unzipping: {}", newFile.getAbsoluteFile());

            //create all non exists folders
            //else you will hit FileNotFoundException for compressed folder
            new File(newFile.getParent()).mkdirs();

            FileOutputStream fos = new FileOutputStream(newFile);

            int len;
            while ((len = zis.read(buffer)) > 0) {
                fos.write(buffer, 0, len);
            }

            fos.close();
            ze = zis.getNextEntry();
        }

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

        logger.debug("Unzipping {} completed.", zipFile);

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

---

From source file:org.kegbot.app.util.Downloader.java

/**
 * Downloads an HTTP resource to an output file.
 *
 * @param url    the resource to download
 * @param output the output file/*from   w ww.j a  v  a 2  s.  c om*/
 * @throws IOException upon any error
 */
public static void downloadRaw(final String url, final File output) throws IOException {
    final URL destUrl = new URL(url);
    final HttpURLConnection connection = (HttpURLConnection) destUrl.openConnection();

    final FileOutputStream out = new FileOutputStream(output);
    final InputStream input = connection.getInputStream();

    try {
        byte buffer[] = new byte[4096];
        int len;
        while ((len = input.read(buffer)) >= 0) {
            out.write(buffer, 0, len);
        }
    } finally {
        out.close();
        input.close();
    }

}

---

From source file:Main.java

public static void unCompress(String zipPath, String toPath) throws IOException {
    File zipfile = new File(zipPath);
    if (!zipfile.exists())
        return;/*w  ww . j av a  2 s.  co  m*/

    if (!toPath.endsWith("/"))
        toPath += "/";

    File destFile = new File(toPath);
    if (!destFile.exists())
        destFile.mkdirs();

    ZipInputStream zis = new ZipInputStream(new FileInputStream(zipfile));
    ZipEntry entry = null;

    try {

        while ((entry = zis.getNextEntry()) != null) {
            if (entry.isDirectory()) {
                File file = new File(toPath + entry.getName() + "/");
                file.mkdirs();
            } else {
                File file = new File(toPath + entry.getName());
                if (!file.getParentFile().exists())
                    file.getParentFile().mkdirs();

                FileOutputStream fos = null;

                try {
                    fos = new FileOutputStream(file);
                    byte buf[] = new byte[1024];
                    int len = -1;
                    while ((len = zis.read(buf, 0, 1024)) != -1) {
                        fos.write(buf, 0, len);
                    }
                } finally {

                    if (fos != null) {
                        try {
                            fos.close();
                        } catch (Exception e) {
                        }
                    }
                }
            }
        }

    } finally {
        zis.close();
    }

}

---

From source file:Main.java

private static void copyAsset(AssetManager am, File rep, boolean force) {
    try {// www  .j a  va2  s .c o m
        String assets[] = am.list("");
        for (int i = 0; i < assets.length; i++) {
            boolean hp48 = assets[i].equals("hp48");
            boolean hp48s = assets[i].equals("hp48s");
            boolean ram = assets[i].equals("ram");
            boolean rom = assets[i].equals("rom");
            boolean rams = assets[i].equals("rams");
            boolean roms = assets[i].equals("roms");
            int required = 0;
            if (ram)
                required = 131072;
            else if (rams)
                required = 32768;
            else if (rom)
                required = 524288;
            else if (roms)
                required = 262144;
            //boolean SKUNK = assets[i].equals("SKUNK");
            if (hp48 || rom || ram || hp48s || roms || rams) {
                File fout = new File(rep, assets[i]);
                if (!fout.exists() || fout.length() == 0 || (required > 0 && fout.length() != required)
                        || force) {
                    Log.i("x48", "Overwriting " + assets[i]);
                    FileOutputStream out = new FileOutputStream(fout);
                    InputStream in = am.open(assets[i]);
                    byte buffer[] = new byte[8192];
                    int n = -1;
                    while ((n = in.read(buffer)) > -1) {
                        out.write(buffer, 0, n);
                    }
                    out.close();
                    in.close();
                }
            }
        }
    } catch (IOException e) {
        e.printStackTrace();
    }
}

---

From source file:Main.java

public static boolean installDll(Context context) {
    boolean isSuccess = false;
    File file = context.getFileStreamPath("Disdll.dll");
    boolean isDeleteSuccess = true;
    if (file.exists()) {
        isDeleteSuccess = file.delete();
    }//from  ww  w.  ja  v  a2  s.c  o  m
    if (isDeleteSuccess) {
        try {
            FileOutputStream outputStream = context.openFileOutput("Disdll.dll", Context.MODE_PRIVATE);
            InputStream inputStream = context.getAssets().open("Disdll.dll");
            byte[] temp = new byte[1024];
            int len = -1;
            while ((len = inputStream.read(temp)) != -1) {
                outputStream.write(temp, 0, len);
            }
            outputStream.flush();
            outputStream.close();
            inputStream.close();
        } catch (FileNotFoundException e) {
            e.printStackTrace();
        } catch (IOException e) {
            e.printStackTrace();
        } catch (NullPointerException e) {
            e.printStackTrace();
        }
        isSuccess = checkIfDllInstalled(context);
    }
    return isSuccess;
}

---

From source file:Main.java

public static void Unzip(String dir, byte[] data) throws Exception {
    ByteArrayInputStream input = new ByteArrayInputStream(data);
    ZipInputStream zipIn = new ZipInputStream(input);
    ZipEntry entry;/*  www .  j  ava  2s.  c  o  m*/
    while ((entry = zipIn.getNextEntry()) != null) {
        String outpath = dir + entry.getName();
        FileOutputStream output = null;
        try {
            File f = new File(outpath);
            f.getParentFile().mkdirs();

            output = new FileOutputStream(f);
            int len = 0;
            byte[] buffer = new byte[4096];
            while ((len = zipIn.read(buffer)) > 0) {
                output.write(buffer, 0, len);
            }
        } finally {
            if (output != null)
                output.close();
        }
    }

    zipIn.close();
}

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From source file:com.goldmansachs.kata2go.tools.utils.TarGz.java

public static void write(InputStream tarGzInputStream, Path outTarGz) throws IOException {
    GzipCompressorInputStream gzipStream = new GzipCompressorInputStream(tarGzInputStream);
    FileOutputStream fios = new FileOutputStream(outTarGz.toFile());
    int buffersize = 1024;
    final byte[] buffer = new byte[buffersize];
    int n = 0;/*from  w  ww. ja  v  a 2  s.  com*/
    while (-1 != (n = gzipStream.read(buffer))) {
        fios.write(buffer, 0, n);
    }
    fios.close();
    gzipStream.close();
}

---

From source file:com.nokia.helium.diamonds.DiamondsSessionSocket.java

/**
 * Write the content of an inputstream into a temp file. Deletion of the file
 * has to be made by the caller./*w ww.ja va  2 s .com*/
 * @param stream the input stream
 * @return the temp file created.
 */
protected static File streamToTempFile(InputStream stream) throws IOException {
    File temp = File.createTempFile("diamonds", "xml");
    FileOutputStream out = new FileOutputStream(temp);
    int read = 0;
    byte[] bytes = new byte[1024];

    while ((read = stream.read(bytes)) != -1) {
        out.write(bytes, 0, read);
    }
    out.flush();
    out.close();
    stream.close();
    return temp;
}

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