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

/**
 * Saves a vcard string to an internal new vcf file.
 * @param vcard the string to save/*from  w ww .ja va  2s .c  o  m*/
 * @param filename the filename of the vcf
 * @param context the context used to open streams.
 */
public static void saveToDisk(String vcard, String filename, Context context) {
    if (TextUtils.isEmpty(vcard) || TextUtils.isEmpty(filename) || context == null) {
        return;
    }
    String path = context.getFilesDir().getAbsolutePath() + File.separator + "peer_profiles";
    File peerProfilesFile = new File(path);
    if (!peerProfilesFile.exists())
        peerProfilesFile.mkdirs();
    FileOutputStream outputStream;
    try {
        outputStream = new FileOutputStream(path + "/" + filename);
        outputStream.write(vcard.getBytes());
        outputStream.close();
    } catch (Exception e) {
        e.printStackTrace();
    }
}

From source file:Main.java

public static boolean writeFile(byte[] buffer, String folder, String fileName) {
    boolean writeSucc = false;
    boolean sdCardExist = Environment.getExternalStorageState().equals(Environment.MEDIA_MOUNTED);
    String folderPath = "";
    if (sdCardExist) {
        folderPath = Environment.getExternalStorageDirectory() + File.separator + folder + File.separator;
    } else {/*from  ww  w.j a  v  a  2  s  .  co  m*/
        writeSucc = false;
    }

    File fileDir = new File((folderPath));
    if (!fileDir.exists()) {
        fileDir.mkdirs();
    }

    File file = new File(folderPath + fileName);
    FileOutputStream out = null;

    try {
        out = new FileOutputStream(file);
        out.write(buffer);
        writeSucc = true;
    } catch (FileNotFoundException e) {
        e.printStackTrace();
    } catch (IOException e) {
        e.printStackTrace();
    } finally {
        try {
            out.close();
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
    return writeSucc;
}

From source file:Main.java

/**
 * Clear old data and inserts new data into file.
 * @param filename//from   w  w  w . j a v a  2  s .  co m
 * @param data
 * @return <c>true</c>, if data to file was inserted, <c>false</c> otherwise.</returns>
 */
public static boolean InsertDataToFile(String filename, String data) {
    // get file paht
    String filePath = generateFilePath(filename);
    try {
        // open file to write
        FileOutputStream fos = new Activity().openFileOutput(filePath, Context.MODE_PRIVATE);
        // write data to file
        fos.write(data.getBytes());
        // close file
        fos.close();
    } catch (Exception e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    }
    return true;
}

From source file:com.camel.trainreserve.TicketReserver.java

private static void getCaptchaImg() {
    String url = "https://kyfw.12306.cn/otn/passcodeNew/getPassCodeNew?module=passenger&rand=randp&0.20558934959469144";
    ByteArrayOutputStream outStream = JDKHttpsClient.doGetImg(url, cookieStr);
    if (outStream.size() > 0) {
        SimpleDateFormat sdf = new SimpleDateFormat("yyyyMMddHHmmss");
        File imageFile = new File("G://12306OCR-2//" + (new Date()).getTime() + ".png");
        try {//from  w  ww .  j  a va2 s. c o  m
            FileOutputStream fos = new FileOutputStream(imageFile);
            byte[] bytes = outStream.toByteArray();
            fos.write(bytes);
            fos.flush();
            fos.close();
            outStream.close();
        } catch (IOException e) {
            e.printStackTrace();
        }
    } else {
        System.out.println(Thread.currentThread().getName() + " return empty");
    }
}

From source file:com.aqnote.shared.cryptology.cert.util.X509CertFileUtil.java

public static void writeCert(String b64cert, String certFileName) throws IOException {

    if (StringUtils.isBlank(b64cert) || StringUtils.isBlank(certFileName)) {
        return;//from   w  w  w.j a  v  a 2 s .  co  m
    }
    FileOutputStream fos1 = new FileOutputStream(certFileName);
    fos1.write(b64cert.getBytes());
    fos1.flush();
    fos1.close();
}

From source file:Main.java

public static void writeFileSdcard(String fileName, String message, boolean append) {
    FileOutputStream fout = null;
    try {//from  w  w w .  j av  a2  s  .  c om
        fout = new FileOutputStream(fileName, append);
        byte[] bytes = message.getBytes();
        fout.write(bytes);

    } catch (Exception e) {
        e.printStackTrace();
    } finally {
        if (fout != null) {
            try {
                fout.close();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
    }
}

From source file:Main.java

/**
 * Simple copy.  Horrible performance for large files.
 * Good performance for alphabets./*from   ww w.j  a v a 2s.  co m*/
 */
public static void copyFile(File source, File dest) throws Exception {
    FileInputStream fis = new FileInputStream(source);
    try {
        FileOutputStream fos = new FileOutputStream(dest);
        try {
            int read = fis.read();
            while (read != -1) {
                fos.write(read);
                read = fis.read();
            }
        } finally {
            fos.close();
        }
    } finally {
        fis.close();
    }
}

From source file:com.izforge.izpack.test.util.TestHelper.java

/**
 * Helper to create a file of the specified size containing random data.
 *
 * @param file the file/*from  w ww  .ja  v a  2  s .  c  o  m*/
 * @param size the file size
 * @return a new file
 * @throws IOException for any I/O error
 */
public static File createFile(File file, int size) throws IOException {
    byte[] data = new byte[size];
    Random random = new Random();
    random.nextBytes(data);
    FileOutputStream stream = new FileOutputStream(file);
    stream.write(data);
    return file;
}

From source file:Main.java

/**
 * (java)write to file//w w  w  .j  av  a2  s .  co  m
 * 
 * @param str
 * @param path
 */
public static void writeFile(String str, File file) {
    FileOutputStream out;
    try {
        file.createNewFile();

        out = new FileOutputStream(file, false);
        String infoToWrite = str;
        out.write(infoToWrite.getBytes());
        out.close();

    } catch (IOException e) {
        Log.e("", "write error!");
    }
}

From source file:com.domnian.BotConfiguration.java

public static void writeDefault(File file) throws Exception {
    JSONObject defaultJson = new JSONObject();
    JSONObject connectDefault = new JSONObject();
    JSONObject identDefault = new JSONObject();
    JSONObject nickservDefault = new JSONObject();
    connectDefault.put("host", "irc.spi.gt");
    connectDefault.put("port", 6667);
    connectDefault.put("ssl", false);
    connectDefault.put("pass", "");
    connectDefault.put("channel", "#willies952002");
    defaultJson.put("connect", connectDefault);
    identDefault.put("user", "WilliesIRCBot");
    identDefault.put("nick", "WilliesIRCBot");
    identDefault.put("real", "Willies IRC Bot");
    defaultJson.put("ident", identDefault);
    nickservDefault.put("run", false);
    nickservDefault.put("email", "email@example.com");
    nickservDefault.put("password", "");
    defaultJson.put("nickserv", nickservDefault);
    defaultJson.put("manage", "admin");
    FileOutputStream fos = new FileOutputStream(file);
    fos.write(defaultJson.toString().getBytes("UTF-8"));
    fos.close();//from  w  w  w. ja v a 2 s  . c om
}