/*
* 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.UimaContext;
import org.apache.uima.analysis_component.JCasAnnotator_ImplBase;
import org.apache.uima.analysis_engine.AnalysisEngineProcessException;
import org.apache.uima.cas.Type;
import org.apache.uima.cas.text.AnnotationFS;
import org.apache.uima.jcas.JCas;
import org.apache.uima.resource.ResourceInitializationException;
/**
* Dummy implementation of a UIMA based whitespace tokenizer
*/
public class SampleWSTokenizerAnnotator extends JCasAnnotator_ImplBase {
private final static String TOKEN_TYPE = "org.apache.lucene.uima.ts.TokenAnnotation";
private final static String SENTENCE_TYPE = "org.apache.lucene.uima.ts.SentenceAnnotation";
private String lineEnd;
private static final String WHITESPACE = " ";
@Override
public void initialize(UimaContext aContext) throws ResourceInitializationException {
super.initialize(aContext);
lineEnd = String.valueOf(aContext.getConfigParameterValue("line-end"));
}
@Override
public void process(JCas jCas) throws AnalysisEngineProcessException {
Type sentenceType = jCas.getCas().getTypeSystem().getType(SENTENCE_TYPE);
Type tokenType = jCas.getCas().getTypeSystem().getType(TOKEN_TYPE);
int i = 0;
for (String sentenceString : jCas.getDocumentText().split(lineEnd)) {
// add the sentence
AnnotationFS sentenceAnnotation = jCas.getCas().createAnnotation(sentenceType, i, sentenceString.length());
jCas.addFsToIndexes(sentenceAnnotation);
i += sentenceString.length();
}
// get tokens
int j = 0;
for (String tokenString : jCas.getDocumentText().split(WHITESPACE)) {
int tokenLength = tokenString.length();
AnnotationFS tokenAnnotation = jCas.getCas().createAnnotation(tokenType, j, j + tokenLength);
jCas.addFsToIndexes(tokenAnnotation);
j += tokenLength;
}
}
}