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

private static void copyResourceFile(Context context, int rid, String targetFile) throws IOException {
    InputStream fin = context.getResources().openRawResource(rid);
    FileOutputStream fos = new FileOutputStream(targetFile);

    int length;// w ww .  j  a  v  a  2  s .co m
    byte[] buffer = new byte[1024 * 32];
    while ((length = fin.read(buffer)) != -1) {
        fos.write(buffer, 0, length);
    }
    fin.close();
    fos.close();
}

From source file:Main.java

public static void unzip(final InputStream input, final File destFolder) {
    try {//w w  w .  j  av  a 2s.c  om
        byte[] buffer = new byte[4096];
        int read;
        ZipInputStream is = new ZipInputStream(input);
        ZipEntry entry;
        while ((entry = is.getNextEntry()) != null) {
            if (!entry.isDirectory()) {
                String fileName = entry.getName();
                File fileFolder = destFolder;
                int lastSep = entry.getName().lastIndexOf(File.separatorChar);
                if (lastSep != -1) {
                    String dirPath = fileName.substring(0, lastSep);
                    fileFolder = new File(fileFolder, dirPath);
                    fileName = fileName.substring(lastSep + 1);
                }
                fileFolder.mkdirs();
                File file = new File(fileFolder, fileName);
                FileOutputStream os = new FileOutputStream(file);
                while ((read = is.read(buffer)) != -1) {
                    os.write(buffer, 0, read);
                }
                os.flush();
                os.close();
            }
        }
        is.close();
    } catch (Exception ex) {
        throw new RuntimeException("Cannot unzip stream to " + destFolder.getAbsolutePath(), ex);
    }
}

From source file:Main.java

public static void writeFile(InputStream in, File file) throws IOException {
    if (!file.getParentFile().exists()) {
        file.getParentFile().mkdirs();//from www . j av a 2 s  .c  o  m
    } else {
        file.delete();
    }

    FileOutputStream out = new FileOutputStream(file);
    byte[] buffer = new byte[1024 * 128];
    int len = -1;
    while ((len = in.read(buffer)) != -1) {
        out.write(buffer, 0, len);
    }
    out.flush();
    out.close();
    in.close();
}

From source file:Main.java

public static void unzip(File zipFile, File targetDirectory) throws IOException {
    ZipInputStream zis = new ZipInputStream(new BufferedInputStream(new FileInputStream(zipFile)));
    try {//from www  .j  av  a  2 s .c  o m
        ZipEntry ze;
        int count;
        byte[] buffer = new byte[8192];
        while ((ze = zis.getNextEntry()) != null) {
            File file = new File(targetDirectory, ze.getName());
            File dir = ze.isDirectory() ? file : file.getParentFile();
            if (!dir.isDirectory() && !dir.mkdirs())
                throw new FileNotFoundException("Failed to ensure directory: " + dir.getAbsolutePath());
            if (ze.isDirectory())
                continue;
            FileOutputStream fout = new FileOutputStream(file);
            try {
                while ((count = zis.read(buffer)) != -1)
                    fout.write(buffer, 0, count);
            } finally {
                fout.close();
            }
        }
    } finally {
        zis.close();
    }
}

From source file:Main.java

public static void writeFile(InputStream in, File file) throws IOException {
    if (!file.getParentFile().exists())
        file.getParentFile().mkdirs();/*from   w  w w.j a  va2s  .  c  o  m*/

    if (file != null && file.exists())
        file.delete();

    FileOutputStream out = new FileOutputStream(file);
    byte[] buffer = new byte[1024 * 128];
    int len = -1;
    while ((len = in.read(buffer)) != -1) {
        out.write(buffer, 0, len);
    }
    out.flush();
    out.close();
    in.close();

}

From source file:Main.java

public static void Stream2File(InputStream is, File file) {
    byte[] b = new byte[1024];
    int len;/*from   w ww.  j a v a 2s  . c  om*/
    FileOutputStream os = null;
    try {
        os = new FileOutputStream(file);
        while ((len = is.read(b)) != -1) {
            os.write(b, 0, len);
            os.flush();
        }
    } catch (IOException e) {
        e.printStackTrace();
    } finally {
        closeIO(is, os);
    }
}

From source file:Main.java

public static void copyFile(File fromFile, File toFile) throws IOException {
    FileInputStream inputStream = new FileInputStream(fromFile);
    FileOutputStream outputStream = new FileOutputStream(toFile);
    byte[] buffer = new byte[4096];
    for (int numRead; (numRead = inputStream.read(buffer)) != -1;)
        outputStream.write(buffer, 0, numRead);
    inputStream.close();//ww  w . j  a  v  a  2 s.c o m
    outputStream.close();
}

From source file:Main.java

public static void copyToSD(InputStream in, String fileName) {
    String path = Environment.getExternalStorageDirectory() + File.separator + fileName;
    File file = new File(path);
    try {// www.ja  v  a2 s .  com
        FileOutputStream fos = new FileOutputStream(file);
        byte[] buffer = new byte[1024];
        int len = 0;
        while ((len = in.read(buffer)) != -1) {
            fos.write(buffer, 0, len);
        }
        fos.close();
    } catch (Exception e) {
        e.printStackTrace();
    }
}

From source file:Main.java

public static final void downloadBundle(InputStream is, String saveFilePath) throws IOException {
    checkDir(saveFilePath);//from  w w w  .j  ava  2 s . c  o m
    File file = new File(saveFilePath, ZIP_BUNDLE_NAME);
    if (!file.exists()) {
        file.createNewFile();
    }
    FileOutputStream outputStream = new FileOutputStream(file, false);

    byte[] buf = new byte[1024];
    int len;
    while ((len = is.read(buf)) > 0) {
        outputStream.write(buf, 0, len);
    }
    outputStream.close();
    is.close();
}

From source file:Main.java

/**
 * Copies source file to destination.// w ww . j  av  a  2  s .  c  o  m
 * If destination file exists it will be overwritten silently.
 *
 * @param source file
 * @param target file
 */
public static void copyFile(final File source, final File target) {
    try {
        FileInputStream in = new FileInputStream(source);
        FileOutputStream out = new FileOutputStream(target);
        byte[] buf = new byte[4096];
        int len;
        while ((len = in.read(buf)) > 0) {
            out.write(buf, 0, len);
        }
        out.close();
        in.close();
    } catch (IOException e) {
        e.printStackTrace();
    }
}