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/* |
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* Copyright 2014-2020, Armenak Grigoryan, and individual contributors as indicated |
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* by the @authors tag. See the copyright.txt in the distribution for a |
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* full listing of individual contributors. |
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* |
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* This is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU Lesser General Public License as |
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* published by the Free Software Foundation; either version 2.1 of |
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* the License, or (at your option) any later version. |
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* |
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* This software is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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* Lesser General Public License for more details. |
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*/ |
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package com.strider.datadefender.specialcase; |
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import com.strider.datadefender.discoverer.Discoverer.ColumnMatch; |
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import java.io.BufferedReader; |
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import java.io.FileReader; |
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import java.io.IOException; |
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import java.util.ArrayList; |
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import java.util.List; |
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import java.util.Locale; |
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import com.strider.datadefender.discoverer.Probability; |
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import com.strider.datadefender.database.metadata.TableMetaData.ColumnMetaData; |
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import java.util.Objects; |
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import lombok.extern.log4j.Log4j2; |
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import org.apache.commons.lang3.StringUtils; |
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/** |
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* @author Armenak Grigoryan |
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*/ |
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@Log4j2 |
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public class PhiDetector implements SpecialCase { |
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private static final String PHI_FILE = "phi.txt"; |
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private static List phiList = new ArrayList(); |
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static { |
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try { |
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log.info("*** reading from " + PHI_FILE); |
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try (BufferedReader br = new BufferedReader(new FileReader(PHI_FILE))) { |
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for (String line; (line = br.readLine()) != null; ) { |
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phiList.add(line); |
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} |
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} |
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} catch (IOException ioe) { |
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log.error(ioe.toString()); |
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} |
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} |
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/** |
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* Generates random 9-digit student number |
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* @param data |
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* @param text |
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* @return String |
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*/ |
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public static ColumnMatch isPhiTerm(final ColumnMetaData data, final String text) { |
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if (StringUtils.isNotBlank(text) |
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&& Objects.equals(String.class, data.getColumnType()) |
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&& phiList.contains(text.trim().toLowerCase(Locale.ENGLISH))) { |
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log.debug("PHI detected: " + text); |
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return new ColumnMatch( |
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data, |
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100.0, |
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"phi", |
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List.of(new Probability(text, 1.00)) |
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); |
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} |
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return null; |
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} |
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} |