| /* |
| * Copyright (C) 2010 The Android Open Source Project |
| * |
| * 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.android.voicedialer; |
| |
| import android.util.Log; |
| import android.content.Intent; |
| import android.speech.srec.Recognizer; |
| |
| import java.io.IOException; |
| import java.util.ArrayList; |
| |
| public class PhoneTypeChoiceRecognizerEngine extends RecognizerEngine { |
| /** |
| * Constructor. |
| */ |
| public PhoneTypeChoiceRecognizerEngine() { |
| |
| } |
| |
| protected void setupGrammar() throws IOException, InterruptedException { |
| if (mSrecGrammar == null) { |
| if (false) Log.d(TAG, "start new Grammar"); |
| mSrecGrammar = mSrec.new Grammar(SREC_DIR + "/grammars/phone_type_choice.g2g"); |
| mSrecGrammar.setupRecognizer(); |
| } |
| } |
| |
| /** |
| * Called when recognition succeeds. It receives a list |
| * of results, builds a corresponding list of Intents, and |
| * passes them to the {@link RecognizerClient}, which selects and |
| * performs a corresponding action. |
| * @param recognizerClient the client that will be sent the results |
| */ |
| protected void onRecognitionSuccess(RecognizerClient recognizerClient) throws InterruptedException { |
| if (false) Log.d(TAG, "onRecognitionSuccess " + mSrec.getResultCount()); |
| |
| if (mLogger != null) mLogger.logNbestHeader(); |
| |
| ArrayList<Intent> intents = new ArrayList<Intent>(); |
| |
| for (int result = 0; result < mSrec.getResultCount() && |
| intents.size() < RESULT_LIMIT; result++) { |
| |
| // parse the semanticMeaning string and build an Intent |
| String conf = mSrec.getResult(result, Recognizer.KEY_CONFIDENCE); |
| String literal = mSrec.getResult(result, Recognizer.KEY_LITERAL); |
| String semantic = mSrec.getResult(result, Recognizer.KEY_MEANING); |
| String msg = "conf=" + conf + " lit=" + literal + " sem=" + semantic; |
| if (false) Log.d(TAG, msg); |
| } |
| |
| // we only pay attention to the first result. |
| if (mSrec.getResultCount() > 0) { |
| // parse the semanticMeaning string and build an Intent |
| String conf = mSrec.getResult(0, Recognizer.KEY_CONFIDENCE); |
| String literal = mSrec.getResult(0, Recognizer.KEY_LITERAL); |
| String semantic = mSrec.getResult(0, Recognizer.KEY_MEANING); |
| String msg = "conf=" + conf + " lit=" + literal + " sem=" + semantic; |
| if (false) Log.d(TAG, msg); |
| if (mLogger != null) mLogger.logLine(msg); |
| |
| if (("H".equalsIgnoreCase(semantic)) || |
| ("M".equalsIgnoreCase(semantic)) || |
| ("W".equalsIgnoreCase(semantic)) || |
| ("O".equalsIgnoreCase(semantic)) || |
| ("R".equalsIgnoreCase(semantic)) || |
| ("X".equalsIgnoreCase(semantic))) { |
| if (false) Log.d(TAG, " got valid response"); |
| Intent intent = new Intent(RecognizerEngine.ACTION_RECOGNIZER_RESULT, null); |
| intent.putExtra(RecognizerEngine.SENTENCE_EXTRA, literal); |
| intent.putExtra(RecognizerEngine.SEMANTIC_EXTRA, semantic); |
| addIntent(intents, intent); |
| } else { |
| // Anything besides yes or no is a failure. |
| } |
| } |
| |
| // log if requested |
| if (mLogger != null) mLogger.logIntents(intents); |
| |
| // bail out if cancelled |
| if (Thread.interrupted()) throw new InterruptedException(); |
| |
| if (intents.size() == 0) { |
| if (false) Log.d(TAG, " no intents"); |
| recognizerClient.onRecognitionFailure("No Intents generated"); |
| } |
| else { |
| if (false) Log.d(TAG, " success"); |
| recognizerClient.onRecognitionSuccess( |
| intents.toArray(new Intent[intents.size()])); |
| } |
| } |
| } |