opennlp.tools.doccat.DocumentCategorizerContextGenerator Maven / Gradle / Ivy
/*
* 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 extraInformation) {
Collection context = new LinkedList<>();
for (FeatureGenerator mFeatureGenerator : mFeatureGenerators) {
Collection extractedFeatures =
mFeatureGenerator.extractFeatures(text, extraInformation);
context.addAll(extractedFeatures);
}
return context.toArray(new String[context.size()]);
}
}