Example usage for java.io FileInputStream close

Introduction

In this page you can find the example usage for java.io FileInputStream close.

Prototype

public void close() throws IOException

Source Link

Document

Closes this file input stream and releases any system resources associated with the stream.

Usage

From source file:Main.java

public static byte[] readBytes(String file) {
    try {//from  w  w  w  . j  a  v  a 2  s  . co  m
        FileInputStream fis = new FileInputStream(file);
        int len = fis.available();
        byte[] buffer = new byte[len];
        fis.read(buffer);
        fis.close();
        return buffer;
    } catch (Exception e) {
        System.out.println(e.getMessage());
    }

    return null;

}

From source file:Main.java

static String File2String(String path) {
    String strReturn = "";
    try {//  w  w w. j  ava2s  . com
        File f = new File(path);
        FileInputStream fis = new FileInputStream(f);
        byte[] bDoc = new byte[fis.available()];
        fis.read(bDoc);
        strReturn = new String(bDoc);
        fis.close();
    } catch (FileNotFoundException e) {
        e.printStackTrace();
    } catch (IOException e) {
        e.printStackTrace();
    }
    return strReturn;
}

From source file:Main.java

public static String peekValue(final File file, final String xpathExpression)
        throws ParserConfigurationException, IOException, SAXException, XPathExpressionException {
    final DocumentBuilder db = DBF.newDocumentBuilder();
    final FileInputStream fis = new FileInputStream(file);
    final Document doc;
    try {/* ww  w .j  a v  a2  s  .  c o m*/
        doc = db.parse(fis);
    } finally {
        fis.close();
    }

    final String result = peekValue(doc, xpathExpression);
    return result;
}

From source file:PropertiesUtils.java

/**
 * Loads properties by given file// w w w  .  j a va 2 s .co m
 * 
 * @param file
 *            filename
 * @return loaded properties
 * @throws java.io.IOException
 *             if can't load file
 */
public static Properties load(File file) throws IOException {

    FileInputStream fis = new FileInputStream(file);
    Properties p = new Properties();
    p.load(fis);
    fis.close();
    return p;
}

From source file:Main.java

public static Object readFileByObject(String fileName) {
    try {/* w  ww  .j av a2s  . c o m*/
        FileInputStream fis = new FileInputStream(fileName);
        ObjectInputStream ois = new ObjectInputStream(fis);
        Object o = ois.readObject();
        ois.close();
        fis.close();
        return o;
    } catch (Exception e) {
        return null;
    }
}

From source file:com.ewcms.common.io.HtmlFileUtil.java

public static byte[] readByte(File f) {
    try {/*from w ww  .jav  a  2s.  c om*/
        f = normalizeFile(f);
        FileInputStream fis = new FileInputStream(f);
        byte r[] = readByte(((InputStream) (fis)));
        fis.close();
        return r;
    } catch (Exception e) {
        e.printStackTrace();
        return null;
    }
}

From source file:UtilFunctions.java

public static String makeHash(File file) throws FileNotFoundException, IOException {
    FileInputStream fis = new FileInputStream(file);
    String hash = DigestUtils.md5Hex(fis);
    fis.close();

    return hash;//from   w w  w  .java 2 s . co m

}

From source file:net.ontopia.utils.EncryptionUtils.java

/**
 * INTERNAL: Reads in the infile and writes the encrypted result
 * into the outfile.//  w  ww  .  j ava 2  s  .c  o m
 */
public static void encrypt(File infile, File outfile) throws IOException {
    FileInputStream in = new FileInputStream(infile);
    FileOutputStream out = new FileOutputStream(outfile);
    encrypt(in, out);
    in.close();
    out.close();
}

From source file:common.DBTestUtil.java

public static void initDB() throws IOException, SQLException {
    String query = "";
    FileInputStream inputStream = new FileInputStream(TEST_DATA_FILE);

    try {/*from  www .ja  v a  2 s.  co m*/
        query = IOUtils.toString(inputStream);
    } finally {
        inputStream.close();
    }

    Connection connection = DB.getConnection();

    try {
        Statement statement = connection.createStatement();
        statement.execute(query);
    } finally {
        connection.close();
    }
}

From source file:Main.java

/**
 * //from w  ww  .  j ava  2  s . com
 * @param file
 */
public static void decodeFile(File file) {
    Bitmap bitmap = null;

    try {
        // Decode image size
        BitmapFactory.Options options = new BitmapFactory.Options();
        options.inJustDecodeBounds = true;

        FileInputStream fileInputStream = new FileInputStream(file);
        BitmapFactory.decodeStream(fileInputStream, null, options);
        fileInputStream.close();

        int scale = 1;

        if (options.outHeight > 500 || options.outWidth > 500) {
            scale = (int) Math.pow(2, (int) Math.round(
                    Math.log(500 / (double) Math.max(options.outHeight, options.outWidth)) / Math.log(0.5)));
        }

        // Decode with inSampleSize
        BitmapFactory.Options options2 = new BitmapFactory.Options();
        options2.inSampleSize = scale;

        fileInputStream = new FileInputStream(file);
        bitmap = BitmapFactory.decodeStream(fileInputStream, null, options2);
        fileInputStream.close();

        FileOutputStream output = new FileOutputStream(file);
        bitmap.compress(Bitmap.CompressFormat.JPEG, 90, output);

        output.flush();
        output.close();
    } catch (Exception e) {
        Log.e(TAG, e.getMessage());
    }
}