org.kew.rmf.utils.CsvDictionary.java Source code

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Here is the source code for org.kew.rmf.utils.CsvDictionary.java

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/*
 * Reconciliation and Matching Framework
 * Copyright  2014 Royal Botanic Gardens, Kew
 *
 * This program is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
package org.kew.rmf.utils;

import java.io.FileReader;
import java.io.IOException;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Map.Entry;
import java.util.Set;

import org.springframework.beans.factory.InitializingBean;
import org.supercsv.io.CsvListReader;
import org.supercsv.prefs.CsvPreference;

/**
 * A CsvDictionary is a HashMap of Strings that is created from the first two
 * columns (key, value) of a CSV file.
 */
public class CsvDictionary implements Dictionary, InitializingBean {

    Map<String, String> map;

    private String fileDelimiter;
    private String filePath;

    public CsvDictionary() {
        map = new HashMap<>();
    }

    @Override
    public void afterPropertiesSet() throws IOException {
        CsvPreference customCsvPref = new CsvPreference.Builder('"', this.getFileDelimiter().charAt(0), "\n")
                .build();
        try (CsvListReader reader = new CsvListReader(new FileReader(this.getFilePath()), customCsvPref)) {
            List<String> miniMap;
            while ((miniMap = reader.read()) != null) {
                map.put(miniMap.get(0), miniMap.get(1));
            }
        }
    }

    @Override
    public String get(String key) {
        return map.get(key);
    }

    @Override
    public Set<Entry<String, String>> entrySet() {
        return map.entrySet();
    }

    @Override
    public String toString() {
        return getFilePath().substring(getFilePath().lastIndexOf('/') + 1) + " (" + entrySet().size() + " entries)";
    }

    //  Getters and setters  //
    public String getFileDelimiter() {
        return fileDelimiter;
    }

    public void setFileDelimiter(String fileDelimiter) {
        this.fileDelimiter = fileDelimiter;
    }

    public String getFilePath() {
        return filePath;
    }

    public void setFilePath(String filePath) throws IOException {
        this.filePath = filePath;
    }
}