FileInputStream

FileInputStream in = null;
		String result1 = "";
		try {
			in = new FileInputStream(Params.BASE_PATH + Params.PDF_TEMPLATE_PATH);
			byte[] b = new byte[1024];
			int length = 0;
			while ((length = in.read(b)) != -1) {
				result1 = result1 + new String(b, 0, length);
			}
		} catch (FileNotFoundException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		} catch (IOException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		} finally {
			try {
				in.close();
			} catch (IOException e) {
				// TODO Auto-generated catch block
				e.printStackTrace();
			}
		}