| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You 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 opennlp.tools.doccat; |
| |
| import java.util.Collection; |
| import java.util.LinkedList; |
| import java.util.Map; |
| |
| /** |
| * Context generator for document categorizer |
| */ |
| class DocumentCategorizerContextGenerator { |
| |
| private FeatureGenerator[] mFeatureGenerators; |
| |
| DocumentCategorizerContextGenerator(FeatureGenerator... featureGenerators) { |
| mFeatureGenerators = featureGenerators; |
| } |
| |
| public String[] getContext(String text[], Map<String, Object> extraInformation) { |
| |
| Collection<String> context = new LinkedList<String>(); |
| |
| for (int i = 0; i < mFeatureGenerators.length; i++) { |
| Collection<String> extractedFeatures = |
| mFeatureGenerators[i].extractFeatures(text, extraInformation); |
| context.addAll(extractedFeatures); |
| } |
| |
| return context.toArray(new String[context.size()]); |
| } |
| } |