| /* |
| * Copyright (C) 2019 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 android.view.textclassifier.intent; |
| |
| import android.annotation.NonNull; |
| import android.annotation.Nullable; |
| import android.content.Context; |
| import android.view.textclassifier.Log; |
| import android.view.textclassifier.TextClassifier; |
| |
| import com.android.internal.annotations.VisibleForTesting; |
| import com.android.internal.util.Preconditions; |
| |
| import com.google.android.textclassifier.AnnotatorModel; |
| import com.google.android.textclassifier.RemoteActionTemplate; |
| |
| import java.time.Instant; |
| import java.util.Collections; |
| import java.util.List; |
| import java.util.Objects; |
| |
| /** |
| * Creates intents based on {@link RemoteActionTemplate} objects for a ClassificationResult. |
| * |
| * @hide |
| */ |
| @VisibleForTesting(visibility = VisibleForTesting.Visibility.PACKAGE) |
| public final class TemplateClassificationIntentFactory implements ClassificationIntentFactory { |
| private static final String TAG = TextClassifier.DEFAULT_LOG_TAG; |
| private final TemplateIntentFactory mTemplateIntentFactory; |
| private final ClassificationIntentFactory mFallback; |
| |
| public TemplateClassificationIntentFactory(TemplateIntentFactory templateIntentFactory, |
| ClassificationIntentFactory fallback) { |
| mTemplateIntentFactory = Objects.requireNonNull(templateIntentFactory); |
| mFallback = Objects.requireNonNull(fallback); |
| } |
| |
| /** |
| * Returns a list of {@link LabeledIntent} |
| * that are constructed from the classification result. |
| */ |
| @NonNull |
| @Override |
| public List<LabeledIntent> create( |
| Context context, |
| String text, |
| boolean foreignText, |
| @Nullable Instant referenceTime, |
| @Nullable AnnotatorModel.ClassificationResult classification) { |
| if (classification == null) { |
| return Collections.emptyList(); |
| } |
| RemoteActionTemplate[] remoteActionTemplates = classification.getRemoteActionTemplates(); |
| if (remoteActionTemplates == null) { |
| // RemoteActionTemplate is missing, fallback. |
| Log.w(TAG, "RemoteActionTemplate is missing, fallback to" |
| + " LegacyClassificationIntentFactory."); |
| return mFallback.create(context, text, foreignText, referenceTime, classification); |
| } |
| final List<LabeledIntent> labeledIntents = |
| mTemplateIntentFactory.create(remoteActionTemplates); |
| if (foreignText) { |
| ClassificationIntentFactory.insertTranslateAction(labeledIntents, context, text.trim()); |
| } |
| return labeledIntents; |
| } |
| } |