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Java example source code file (PosUimaTokenizerFactory.java)

This example Java source code file (PosUimaTokenizerFactory.java) is included in the alvinalexander.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

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Java - Java tags/keywords

analysisengine, collection, english, override, posuimatokenizer, posuimatokenizerfactory, runtimeexception, tokenpreprocess, unsupportedoperationexception, util

The PosUimaTokenizerFactory.java Java example source code

 *  * Copyright 2015 Skymind,Inc.
 *  *
 *  *    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 org.deeplearning4j.text.tokenization.tokenizerfactory;

import static  org.apache.uima.fit.factory.AnalysisEngineFactory.createEngineDescription;
import static  org.apache.uima.fit.factory.AnalysisEngineFactory.createEngine;

import java.io.InputStream;
import java.util.Collection;

import org.apache.uima.analysis_engine.AnalysisEngine;
import org.deeplearning4j.text.annotator.PoStagger;
import org.deeplearning4j.text.annotator.SentenceAnnotator;
import org.deeplearning4j.text.annotator.StemmerAnnotator;
import org.deeplearning4j.text.annotator.TokenizerAnnotator;
import org.deeplearning4j.text.tokenization.tokenizer.PosUimaTokenizer;
import org.deeplearning4j.text.tokenization.tokenizer.TokenPreProcess;
import org.deeplearning4j.text.tokenization.tokenizer.Tokenizer;

 * Creates a tokenizer that filters by 
 * part of speech tags
 * @see {org.deeplearning4j.text.tokenization.tokenizer.PosUimaTokenizer}
 * @author Adam Gibson
public class PosUimaTokenizerFactory implements TokenizerFactory {

    private AnalysisEngine tokenizer;
    private Collection<String> allowedPoSTags;
    private TokenPreProcess tokenPreProcess;
    private boolean stripNones = false;

    public PosUimaTokenizerFactory(Collection<String> allowedPoSTags, boolean stripNones) {
        this.stripNones = stripNones;

    public PosUimaTokenizerFactory(Collection<String> allowedPoSTags) {
        this(allowedPoSTags, false);

    public PosUimaTokenizerFactory(AnalysisEngine tokenizer,Collection<String> allowedPosTags) {
        this.tokenizer = tokenizer;
        this.allowedPoSTags = allowedPosTags;

    public static AnalysisEngine defaultAnalysisEngine()  {
        try {
            return createEngine(
        }catch(Exception e) {
            throw new RuntimeException(e);

    public Tokenizer create(String toTokenize) {
        PosUimaTokenizer t =  new PosUimaTokenizer(toTokenize,tokenizer,allowedPoSTags, stripNones);
        if (tokenPreProcess!= null) t.setTokenPreProcessor(tokenPreProcess);
        return t;

    public Tokenizer create(InputStream toTokenize) {
        throw new UnsupportedOperationException();

    public void setTokenPreProcessor(TokenPreProcess preProcessor) {
        this.tokenPreProcess = preProcessor;

     * Returns TokenPreProcessor set for this TokenizerFactory instance
     * @return TokenPreProcessor instance, or null if no preprocessor was defined
    public TokenPreProcess getTokenPreProcessor() {
        return tokenPreProcess;


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