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/*
* 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;
import com.googlecode.eyesfree.braille.translate.ITranslatorServiceCallback;
interface ITranslatorService {
/**
* Sets a callback to be called when the service is ready to translate.
* Using any of the other methods in this interface before the
* callback is called with a successful status will return
* failure.
*/
void setCallback(ITranslatorServiceCallback callback);
/**
* Makes sure that the given table string is valid and that the
* table compiles.
*/
boolean checkTable(String tableName);
/**
* Translates text into braille according to the give tableName.
* Returns null on fatal translation errors.
*/
byte[] translate(String text, String tableName);
/**
* Translates braille cells into text according to the given table
* name. Returns null on fatal translation errors.
*/
String backTranslate(in byte[] cells, String tableName);
}
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