/*
* 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 org.apache.lucene.analysis.uima.an;
import org.apache.uima.analysis_component.JCasAnnotator_ImplBase;
import org.apache.uima.analysis_engine.AnalysisEngineProcessException;
import org.apache.uima.cas.Feature;
import org.apache.uima.cas.Type;
import org.apache.uima.jcas.JCas;
import org.apache.uima.jcas.tcas.Annotation;
/**
* Dummy implementation of a PoS tagger to add part of speech as token types
*/
public class SamplePoSTagger extends JCasAnnotator_ImplBase {
private static final String NUM = "NUM";
private static final String WORD = "WORD";
private static final String TYPE_NAME = "org.apache.lucene.uima.ts.TokenAnnotation";
private static final String FEATURE_NAME = "pos";
@Override
public void process(JCas jcas) throws AnalysisEngineProcessException {
Type type = jcas.getCas().getTypeSystem().getType(TYPE_NAME);
Feature posFeature = type.getFeatureByBaseName(FEATURE_NAME);
for (Annotation annotation : jcas.getAnnotationIndex(type)) {
String text = annotation.getCoveredText();
String pos = extractPoS(text);
annotation.setStringValue(posFeature, pos);
}
}
private String extractPoS(String text) {
try {
Double.valueOf(text);
return NUM;
} catch (Exception e) {
return WORD;
}
}
}