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 copyfile(String fromFilePath, String toFilePath, Boolean rewrite) {
    File fromFile = new File(fromFilePath);
    File toFile = new File(toFilePath);

    if (!fromFile.exists() || !fromFile.isFile() || !fromFile.canRead()) {
        return;//from   www . j  a  v a 2 s .co m
    }

    if (!toFile.getParentFile().exists()) {
        toFile.getParentFile().mkdirs();
    }

    if (toFile.exists() && rewrite) {
        toFile.delete();
    }

    try {
        FileInputStream fosfrom = new FileInputStream(fromFile);
        FileOutputStream fosto = new FileOutputStream(toFile);

        byte[] bt = new byte[1024];
        int c;
        while ((c = fosfrom.read(bt)) > 0) {
            fosto.write(bt, 0, c);
        }
        fosfrom.close();
        fosto.close();

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

}

From source file:Main.java

private static boolean copyFile(File assetFile, File storageFile, AssetManager assetManager) {
    try {//from   w  w  w  .j  av  a  2s  .com
        InputStream in = assetManager.open(assetFile.getPath());
        FileOutputStream out = new FileOutputStream(storageFile);
        byte[] buffer = new byte[1024];
        int read;
        while ((read = in.read(buffer)) != -1) {
            out.write(buffer, 0, read);
        }
        in.close();
        out.close();
        return true;
    } catch (FileNotFoundException e) {
        return false;
    } catch (IOException e) {
        return false;
    }
}

From source file:Main.java

public static void unZip(String zipFile, String outputFolder) throws IOException {

    byte[] buffer = new byte[1024];

    //create output directory is not exists
    File folder = new File(outputFolder);
    if (!folder.exists()) {
        folder.mkdir();//from www .  j ava  2 s  .  c  om
    }

    //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) {

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

        //create all non exists folders
        //else you will hit FileNotFoundException for compressed folder
        if (ze.isDirectory())
            newFile.mkdirs();
        else {
            newFile.getParentFile().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();

}

From source file:Util.java

public static File copyFromStreamToFile(InputStream is, File file) {
    FileOutputStream out = null;
    try {/*  w  ww . j  a  v  a2  s .c  o m*/
        out = new FileOutputStream(file);
        byte[] buf = new byte[1024];
        int len;
        while ((len = is.read(buf)) > 0) {
            out.write(buf, 0, len);
        }

    } catch (Exception ex) {

    } finally {
        try {
            is.close();
            out.close();
        } catch (IOException ex) {

        }
    }
    return file;
}

From source file:Main.java

public static void copyAssets(Context context, String assetsName, String destFilePath) throws IOException {
    File file = new File(destFilePath);
    FileOutputStream out = new FileOutputStream(file);

    InputStream in = context.getAssets().open(assetsName);

    byte[] buf = new byte[1024];
    int len;//  w w  w. jav a  2s .  c o m
    while ((len = in.read(buf)) != -1) {
        out.write(buf, 0, len);
    }
    in.close();
    out.close();
}

From source file:Main.java

public static void copyBitmapFromStream(InputStream in, File file) {
    FileOutputStream fout = null;
    try {//from   w ww.j  av  a2 s.co m
        fout = new FileOutputStream(file);
        byte[] buffer = new byte[1024];
        int len = 0;
        while ((len = in.read(buffer)) != -1) {
            fout.write(buffer, 0, len);
        }
        fout.close();
        in.close();
    } catch (Exception e) {
        e.printStackTrace();
    }
}

From source file:Main.java

public static void unzip(InputStream is, String dir) throws IOException {
    File dest = new File(dir);
    if (!dest.exists()) {
        dest.mkdirs();/*from  w  w  w  .j  av a2 s  .  c om*/
    }

    if (!dest.isDirectory())
        throw new IOException("Invalid Unzip destination " + dest);
    if (null == is) {
        throw new IOException("InputStream is null");
    }

    ZipInputStream zip = new ZipInputStream(is);

    ZipEntry ze;
    while ((ze = zip.getNextEntry()) != null) {
        final String path = dest.getAbsolutePath() + File.separator + ze.getName();

        String zeName = ze.getName();
        char cTail = zeName.charAt(zeName.length() - 1);
        if (cTail == File.separatorChar) {
            File file = new File(path);
            if (!file.exists()) {
                if (!file.mkdirs()) {
                    throw new IOException("Unable to create folder " + file);
                }
            }
            continue;
        }

        FileOutputStream fout = new FileOutputStream(path);
        byte[] bytes = new byte[1024];
        int c;
        while ((c = zip.read(bytes)) != -1) {
            fout.write(bytes, 0, c);
        }
        zip.closeEntry();
        fout.close();
    }
}

From source file:Main.java

public static File saveStreamToFile(InputStream inputStream, String path) {
    File file = new File(path);
    if (!file.getParentFile().exists()) {
        //noinspection ResultOfMethodCallIgnored
        file.getParentFile().mkdirs();/*from  w w  w.j  a  v a2s  . c  o m*/
    }
    try {
        //noinspection ResultOfMethodCallIgnored
        file.createNewFile();

        FileOutputStream outputStream = new FileOutputStream(path);

        int bytesRead;
        byte[] buffer = new byte[1024];
        while ((bytesRead = inputStream.read(buffer)) != -1) {
            outputStream.write(buffer, 0, bytesRead);
        }
    } catch (IOException e) {
        e.printStackTrace();
    }
    return file;
}

From source file:Main.java

public static void copyFile(File targetFile, File file) {
    if (targetFile.exists()) {
        return;//from   www . j av a2  s.c  o  m
    } else {
        createFile(targetFile, true);
    }
    try {
        FileInputStream is = new FileInputStream(file);
        FileOutputStream fos = new FileOutputStream(targetFile);
        byte[] buffer = new byte[1024 * 5];
        int len;
        while ((len = is.read(buffer)) != -1) {
            fos.write(buffer, 0, len);
        }
        is.close();
        fos.flush();
        fos.close();
    } catch (FileNotFoundException e) {
        e.printStackTrace();
    } catch (IOException e) {
        e.printStackTrace();
    }
}

From source file:Main.java

private static void streamToFile(InputStream is, File targetFile) throws IOException {
    FileOutputStream fos = new FileOutputStream(targetFile);
    byte[] bytes = new byte[1024];
    while (true) {
        int n = is.read(bytes);
        if (n < 0) {
            break;
        }//from  ww w  .j  av a  2 s . c  o m
        fos.write(bytes, 0, n);
    }
    is.close();
    fos.close();
}