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[]) throws IOException

Source Link

Document

Writes b.length bytes from the specified byte array to this file output stream.

Usage

From source file:Main.java

/**
 * Writes the given value into the given file
 *
 * @return true on success, false on failure
 */// w ww .j a v  a 2 s .c  om
public static boolean writeLine(String fileName, String value) {
    try {
        FileOutputStream fos = new FileOutputStream(fileName);
        fos.write(value.getBytes());
        fos.flush();
        fos.close();
    } catch (IOException e) {
        Log.e(TAG, "Could not write to file " + fileName, e);
        return false;
    }

    return true;
}

From source file:Main.java

/**
 * Saves a file from the given URL to the given filename and returns the file
 * @param link URL to file/*  www  . ja  v  a  2 s . c  o m*/
 * @param fileName Name to save the file
 * @return The file
 * @throws IOException Thrown if any IOException occurs
 */
public static File saveFileFromNet(URL link, String fileName) throws IOException {
    InputStream in = new BufferedInputStream(link.openStream());
    ByteArrayOutputStream out = new ByteArrayOutputStream();
    byte[] buf = new byte[1024];
    int n = 0;
    while (-1 != (n = in.read(buf))) {
        out.write(buf, 0, n);
    }
    out.close();
    in.close();
    byte[] response = out.toByteArray();

    File file = new File(fileName);
    if (!file.exists()) {
        if (file.getParentFile() != null) {
            file.getParentFile().mkdirs();
        }
        file.createNewFile();
    }
    FileOutputStream fos = new FileOutputStream(file);
    fos.write(response);
    fos.close();

    return new File(fileName);
}

From source file:Main.java

public static void byteArrayToFile(byte[] byteData, File filePath) {

    try {//from  www . j a  v a  2s  .c  o  m
        FileOutputStream fos = new FileOutputStream(filePath);
        fos.write(byteData);
        fos.close();

    } catch (FileNotFoundException ex) {
        System.out.println("FileNotFoundException : " + ex);
    } catch (IOException ioe) {
        System.out.println("IOException : " + ioe);
    }

}

From source file:Main.java

/**
 * Takes in the file stream to the offline file storage that is going to be written to and
 * the latest trip data that is going to be written to the offline storage file.
 * <p/>/*  w  w  w. j a va2s .co  m*/
 * The new trip data will then be appended to the rest of the trip data.
 *
 * @param writer The output stream of the offline file for storage. Get this from {@link android.content.Context#openFileOutput}
 * @param line   The new trip data as a String
 */
public synchronized static void writeToOfflineStorage(FileOutputStream writer, String line) {
    try {
        line += "\n";
        writer.write(line.getBytes());
    } catch (IOException e) {
        //TODO: Handle IO exception
        Log.d("ERROR", "IO Exception in OfflineUtilities#writeToOfflineStorage: " + e.getMessage());
    }
}

From source file:Main.java

public static File WriteStreamToFile(InputStream resStream) {
    try {/*w w  w  .java  2s. c  om*/
        byte[] bytes = new byte[resStream.available()];
        File tmpFile = File.createTempFile("z4-", ".tmp");
        tmpFile.deleteOnExit();
        DataInputStream dis = new DataInputStream(resStream);
        dis.readFully(bytes);
        FileOutputStream foutStream = new FileOutputStream(tmpFile.getPath());
        foutStream.write(bytes);
        foutStream.close();
        dis.close();
        return tmpFile;
    } catch (Exception e) {
        e.printStackTrace();
    }
    return null;
}

From source file:Main.java

public static void writeFile(String fileName, String write_str) throws IOException {
    File file = new File(fileName);
    FileOutputStream fos = new FileOutputStream(file);
    byte[] bytes = write_str.getBytes();
    fos.write(bytes);
    fos.close();/*from   ww w  .ja v  a 2s. co m*/
}

From source file:Main.java

public static void createFile(File file, int numBytes) throws IOException {
    File parentFile = file.getParentFile();
    if (parentFile != null) {
        parentFile.mkdirs();/*  www.  ja  v a 2  s .  c  o m*/
    }
    byte[] buffer = new byte[numBytes];
    FileOutputStream output = new FileOutputStream(file);
    try {
        output.write(buffer);
    } finally {
        output.close();
    }
}

From source file:Main.java

public static void WriteFile(String file, String message) throws IOException {
    File f = new File(file);
    if (!f.exists()) {
        f.createNewFile();//from  w w w  .  jav  a  2  s  .c om
    }
    FileOutputStream fout = new FileOutputStream(file);
    byte[] bytes = message.getBytes();
    fout.write(bytes);
    fout.close();
}

From source file:Main.java

public static void put(String s, String name) {
    try {//from  w  w  w.  ja v a2 s  .  c o  m
        File saveFile = new File(Environment.getExternalStorageDirectory() + "/hhtlog/" + name + ".txt");
        if (!saveFile.exists()) {
            File dir = new File(saveFile.getParent());
            dir.mkdirs();
            saveFile.createNewFile();
        }

        FileOutputStream outStream = new FileOutputStream(saveFile);
        outStream.write(s.getBytes());
        outStream.close();
    } catch (FileNotFoundException e) {
        e.printStackTrace();
    } catch (IOException e) {
        e.printStackTrace();
    }
}

From source file:Main.java

public static boolean saveString(String filename, String jsonString) throws Exception {
    File file = new File(sAppContext.getCacheDir().getPath() + "/" + filename);
    FileOutputStream fos = new FileOutputStream(file);
    byte[] buff = jsonString.getBytes();
    fos.write(buff);
    fos.flush();/*from   w ww. j a va  2s  . c  o  m*/
    fos.close();
    return true;
}