| /* |
| * Copyright (C) 2012 Google Inc. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); you may not |
| * use this file except in compliance with the License. You may obtain a copy of |
| * the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT |
| * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the |
| * License for the specific language governing permissions and limitations under |
| * the License. |
| */ |
| |
| package com.googlecode.eyesfree.braille.translate; |
| |
| /** |
| * Translates from text to braille and the other way according to a |
| * particular translation table. |
| */ |
| public interface BrailleTranslator { |
| /** |
| * Translates a string into the corresponding dot patterns and returns the |
| * resulting byte array. Returns {@code null} on error. |
| */ |
| byte[] translate(String text); |
| |
| /** |
| * Translates the braille {@code cells} into the corresponding text, which |
| * is returned. Returns {@code null} on error. |
| */ |
| String backTranslate(byte[] cells); |
| } |