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 save(InputStream inputStream, File file) {
    FileOutputStream fos = null;
    if (inputStream != null) {
        try {//from   w ww.  j  a  v a  2s  .  co  m
            fos = new FileOutputStream(file);
            byte[] buf = new byte[1024];
            int slice;
            while ((slice = inputStream.read(buf)) != -1) {
                fos.write(buf, 0, slice);
            }
        } catch (IOException e) {
            e.printStackTrace();
        } finally {
            try {
                inputStream.close();
                if (fos != null) {
                    fos.close();
                }
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
    }
}

---

From source file:Main.java

public static void copyFile(String src, String dst) {
    FileInputStream in = null;/*ww  w  .j a  va  2 s  .  c o  m*/
    FileOutputStream out = null;
    try {
        in = new FileInputStream(src);
        out = new FileOutputStream(dst);
        byte[] b = new byte[1024 * 5];
        int len = 0;
        while ((len = in.read(b)) > 0) {
            out.write(b, 0, len);
        }
    } catch (Exception e) {
        e.printStackTrace();
    } finally {
        try {
            if (out != null) {
                out.close();
            }
            if (in != null) {
                in.close();
            }
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
}

---

From source file:Main.java

/**
 * Show a level//from w  ww  .  ja  v a 2  s  .  c o  m
 * 
 * @param context The context
 * @param level The level
 */
public static void showLevel(Context context, int level) {
    String filename;
    switch (level) {
    case 1: {
        filename = "ground_floor.png";
        break;
    }
    case 2: {
        filename = "talks_floor.png";
        break;
    }

    default: {
        return;
    }
    }
    File f = new File(context.getFilesDir() + "/" + filename);
    try {
        if (f.exists() == false) {
            InputStream is = context.getAssets().open(filename);
            FileOutputStream fos = context.openFileOutput(filename, Context.MODE_WORLD_READABLE);
            byte[] buffer = new byte[is.available()];
            is.read(buffer);
            // write the stream to file
            fos.write(buffer, 0, buffer.length);
            fos.close();
            is.close();
        }

        // Prepare the intent
        //TODO - create an activity for this instead. Internal viewers might be quite heavy
        Intent intent = new Intent(Intent.ACTION_VIEW);
        intent.setDataAndType(Uri.fromFile(f), "image/png");
        context.startActivity(intent);
    } catch (Exception ex) {
        ex.printStackTrace();
    }
}

---

From source file:Main.java

public static boolean WriteFileFromUrl(String url, String filename) {
    try {/*from  w  w  w. j a v  a 2  s.  c om*/
        URL fileUrl = new URL(url);
        URLConnection connection = fileUrl.openConnection();
        InputStream inputStream = new BufferedInputStream(fileUrl.openStream(), 10240);
        File cacheFile = new File(filename);
        FileOutputStream outputStream = new FileOutputStream(cacheFile);

        byte buffer[] = new byte[1024];
        int dataSize;
        int loadedSize = 0;
        while ((dataSize = inputStream.read(buffer)) != -1) {
            loadedSize += dataSize;
            outputStream.write(buffer, 0, dataSize);
        }

        outputStream.close();
        return true;
    } catch (Exception e) {
        Log.d("#StorageHelper Error:", e.toString());
        return false;
    }
}

---

From source file:Main.java

public static void copyFolder(String oldPath, String newPath) {

    try {//from   w ww.  ja v a  2  s.  c  om
        (new File(newPath)).mkdirs();
        File a = new File(oldPath);
        String[] file = a.list();
        File temp = null;
        for (int i = 0; i < file.length; i++) {
            if (oldPath.endsWith(File.separator)) {
                temp = new File(oldPath + file[i]);
            } else {
                temp = new File(oldPath + File.separator + file[i]);
            }

            if (temp.isFile()) {
                FileInputStream input = new FileInputStream(temp);
                FileOutputStream output = new FileOutputStream(newPath + "/" + (temp.getName()).toString());
                byte[] b = new byte[1024 * 5];
                int len;
                while ((len = input.read(b)) != -1) {
                    output.write(b, 0, len);
                }
                output.flush();
                output.close();
                input.close();
            }
            if (temp.isDirectory()) {
                copyFolder(oldPath + "/" + file[i], newPath + "/" + file[i]);
            }
        }
    } catch (Exception e) {
        Log.e(TAG, "copyFolder() copy dir error", e);
    }

}

---

From source file:Main.java

/**
 * Copy data from a source stream to destFile. Return true if succeed,
 * return false if failed./*from w  ww  .j  a  va  2  s.  co  m*/
 */
public static boolean copyToFile(InputStream inputStream, File destFile) {
    try {
        if (destFile.exists()) {
            destFile.delete();
        }
        FileOutputStream out = new FileOutputStream(destFile);
        try {
            byte[] buffer = new byte[4096];
            int bytesRead;
            while ((bytesRead = inputStream.read(buffer)) >= 0) {
                out.write(buffer, 0, bytesRead);
            }
        } finally {
            out.flush();
            try {
                out.getFD().sync();
            } catch (IOException e) {
            }
            out.close();
        }
        return true;
    } catch (IOException e) {
        return false;
    }
}

---

From source file:de.shadowhunt.subversion.internal.AbstractPrepare.java

private static boolean extractArchive(final File zip, final File prefix) throws Exception {
    final ZipFile zipFile = new ZipFile(zip);
    final Enumeration<? extends ZipEntry> enu = zipFile.entries();
    while (enu.hasMoreElements()) {
        final ZipEntry zipEntry = enu.nextElement();

        final String name = zipEntry.getName();

        final File file = new File(prefix, name);
        if (name.charAt(name.length() - 1) == Resource.SEPARATOR_CHAR) {
            if (!file.isDirectory() && !file.mkdirs()) {
                throw new IOException("can not create directory structure: " + file);
            }/*from w w w  . j a va2 s.  c  om*/
            continue;
        }

        final File parent = file.getParentFile();
        if (parent != null) {
            if (!parent.isDirectory() && !parent.mkdirs()) {
                throw new IOException("can not create directory structure: " + parent);
            }
        }

        final InputStream is = zipFile.getInputStream(zipEntry);
        final FileOutputStream fos = new FileOutputStream(file);
        final byte[] bytes = new byte[1024];
        int length;
        while ((length = is.read(bytes)) >= 0) {
            fos.write(bytes, 0, length);
        }
        is.close();
        fos.close();

    }
    zipFile.close();
    return true;
}

---

From source file:Main.java

/**
 *
 *
 * @param context//  w w w  . ja v  a2s  .  co m
 * @param assetFilename
 * @param out
 * @throws IOException
 */
public static void copy(Context context, String assetFilename, File out) throws IOException {
    if (context == null) {
        return;
    } else if (out == null) {
        return;
    }

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

    AssetManager assetManager = context.getAssets();
    InputStream is = null;
    FileOutputStream fos = null;
    try {
        is = assetManager.open(assetFilename);
        fos = new FileOutputStream(out);
        byte[] buf = new byte[1024];
        int len = -1;
        while ((len = is.read(buf, 0, 1024)) != -1) {
            fos.write(buf, 0, len);
        }
    } finally {
        if (fos != null)
            fos.close();

        if (is != null)
            is.close();
    }
}

---

From source file:Main.java

public static File getFileFromCacheOrURL(File cacheDir, URL url) throws IOException {
    Log.i(TAG, "getFileFromCacheOrURL(): url = " + url.toExternalForm());

    String filename = url.getFile();
    int lastSlashPos = filename.lastIndexOf('/');
    String fileNameNoPath = new String(lastSlashPos == -1 ? filename : filename.substring(lastSlashPos + 1));

    File file = new File(cacheDir, fileNameNoPath);

    if (file.exists()) {
        if (file.length() > 0) {
            Log.i(TAG, "File exists in cache as: " + file.getAbsolutePath());
            return file;
        } else {/*w ww.ja  v a  2  s . c om*/
            Log.i(TAG, "Deleting zero length file " + file.getAbsolutePath());
            file.delete();
        }
    }

    Log.i(TAG, "File " + file.getAbsolutePath() + " does not exists.");

    URLConnection ucon = url.openConnection();
    ucon.setReadTimeout(5000);
    ucon.setConnectTimeout(30000);

    InputStream is = ucon.getInputStream();
    BufferedInputStream inStream = new BufferedInputStream(is, 1024 * 5);
    FileOutputStream outStream = new FileOutputStream(file);
    byte[] buff = new byte[5 * 1024];

    // Read bytes (and store them) until there is nothing more to read(-1)
    int len;
    while ((len = inStream.read(buff)) != -1) {
        outStream.write(buff, 0, len);
    }

    // Clean up
    outStream.flush();
    outStream.close();
    inStream.close();
    return file;
}

---

From source file:DBMS.UpdateFileUpload.java

public static boolean processFile(String path, FileItemStream item, int id) {
    try {/*from   w w  w. j av  a 2 s  .  c o m*/
        String check = item.getName();
        if (check.endsWith(".jpg") || check.endsWith(".JPG")) {
            String imstring = "images/" + Integer.toString(id);
            File f = new File(path + File.separator + imstring);
            if (!f.exists())
                f.mkdir();
            File savedFile = new File(f.getAbsolutePath() + File.separator + item.getName());
            FileOutputStream fos = new FileOutputStream(savedFile);
            InputStream is = item.openStream();
            int x = 0;
            byte[] b = new byte[1024];
            while ((x = is.read(b)) != -1) {
                fos.write(b, 0, x);
            }
            fos.flush();
            fos.close();
            String dbimage = imstring + "/a.jpg";
            //dc.enterImage(dbimage);
            //im =dbimage;
            //System.out.println("Resizing!");
            //Resize rz = new Resize();
            //rz.resize(dbimage);
            BufferedImage originalImage = ImageIO.read(savedFile);
            int type = originalImage.getType() == 0 ? BufferedImage.TYPE_INT_ARGB : originalImage.getType();
            BufferedImage resizeImageJpg = resizeImage(originalImage, type);
            ImageIO.write(resizeImageJpg, "jpg", savedFile);
            File rFile = new File(f.getAbsolutePath() + "/a.jpg");
            savedFile.renameTo(rFile);
            ProfileEditDB dc = new ProfileEditDB();
            dc.enterImage(id, dbimage);
            System.out.println("Link Entered to Database!");
            return true;
        }

    } catch (Exception e) {
        e.printStackTrace();
    }
    return false;
}

---

• «
• 1
• 2
• 3
• 4
• 5
• 6
• 7
• 8
• 9
• 10
• 11
• 12
• 13
• 14
• 15
• 16
• 17
• 18
• 19
• »