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Java example source code file (UimaTokenizer.java)
The UimaTokenizer.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.tokenizer; import java.util.ArrayList; import java.util.Collection; import java.util.List; import org.apache.uima.analysis_engine.AnalysisEngine; import org.apache.uima.cas.CAS; import org.apache.uima.fit.util.JCasUtil; import org.apache.uima.util.CasPool; import org.cleartk.token.type.Token; import org.deeplearning4j.text.uima.UimaResource; import org.slf4j.Logger; import org.slf4j.LoggerFactory; /** * Tokenizer based on the passed in analysis engine * @author Adam Gibson * */ public class UimaTokenizer implements Tokenizer { private List<String> tokens; private int index; private static final Logger log = LoggerFactory.getLogger(UimaTokenizer.class); private boolean checkForLabel; private TokenPreProcess preProcess; public UimaTokenizer(String tokens,UimaResource resource,boolean checkForLabel) { this.checkForLabel = checkForLabel; this.tokens = new ArrayList<>(); try { CAS cas = resource.process(tokens); Collection<Token> tokenList = JCasUtil.select(cas.getJCas(), Token.class); for(Token t : tokenList) { if(!checkForLabel || valid(t.getCoveredText())) if(t.getLemma() != null) this.tokens.add(t.getLemma()); else if(t.getStem() != null) this.tokens.add(t.getStem()); else this.tokens.add(t.getCoveredText()); } resource.release(cas); } catch (Exception e) { e.printStackTrace(); throw new RuntimeException(e); } } private boolean valid(String check) { return !(check.matches("<[A-Z]+>") || check.matches("")); } @Override public boolean hasMoreTokens() { return index < tokens.size(); } @Override public int countTokens() { return tokens.size(); } @Override public String nextToken() { String ret = tokens.get(index); index++; if(preProcess != null) ret = preProcess.preProcess(ret); return ret; } @Override public List<String> getTokens() { List<String> tokens = new ArrayList<>(); while(hasMoreTokens()) { tokens.add(nextToken()); } return tokens; } @Override public void setTokenPreProcessor(TokenPreProcess tokenPreProcessor) { this.preProcess = tokenPreProcessor; } } Other Java examples (source code examples)Here is a short list of links related to this Java UimaTokenizer.java source code file: |
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