som.file.StemmedDataFileReader.java Source code

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Here is the source code for som.file.StemmedDataFileReader.java

Source

/*
 *  
 *   Tech For Good Portal 
 *   Proof of Concept
 *   J P Morgan Chase Technology Center at Syracuse University
 * 
 *   Authored by: 
 *   Last Revision: 1.0
 *   Last Revised by: Prashant Patel
 *
 *   Version 1.0
 *
 *     Principal Investigators
 *      Kathleen Brandt
 *      Brian Lonsway
 *      Steve Masiclat
 *
 *    Contributors
 *      Lead Java Developer & Research Assistant: Prashant Patel
 *      Java Developer & Research Assistant: Ravi Nagendra
 *      Python Developer: Brian Lonsway
 * 
 *   This document is a part of the source code and related artifacts
 *    for the Tech For Good Portal, an open source proof of concept developed
 *   for J P Morgan Chase.
 *
 *    Copyright  2015, jointly held by 
 *      Kathleen Brandt, Brian Lonsway, and Steve Masiclat; 
 *      Syracuse University; and
 *      J P Morgan Chase.
 *
 *      This file is part of TechForGoodPortal.
 *
 *       TechForGoodPortal is free software: you can redistribute it and/or modify
 *       it under the terms of the GNU General Public License version 3 as published by
 *       the Free Software Foundation.
 *
 *       TechForGoodPortal 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 General Public License for more details.
 *
 *       See <http://www.gnu.org/licenses/> for a copy of the GNU General Public License.
 *       
 *
 *       Reads in the input file and places the stemmed data into appropriate column
 * 
 */

package som.file;

import static som.constants.IBestWordsFileConstants.FILENAME;
import static som.constants.IGenericConstants.REVISED_INPUT_SHEET_NAME;

import java.io.BufferedReader;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.FileReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;

import org.apache.commons.lang.StringUtils;
import org.apache.poi.ss.usermodel.Cell;
import org.apache.poi.ss.usermodel.Row;
import org.apache.poi.xssf.usermodel.XSSFSheet;
import org.apache.poi.xssf.usermodel.XSSFWorkbook;

import som.constants.IGenericConstants;
import som.helper.GenericHelper;

public class StemmedDataFileReader implements IFileWritable {

    @Override
    public void writeToFile() {
        // TODO Auto-generated method stub

    }

    @Override
    public void readFromFile() {
        // TODO Auto-generated method stub

    }

    @Override
    public void readFromFile(String fileName) {
        // TODO Auto-generated method stub
        BufferedReader br = null;
        String line = "";
        List<String> stemmedRowsList = new ArrayList<String>();
        try {
            // Fetching the stemmed File
            br = new BufferedReader(new InputStreamReader(GenericHelper.getFileFromServerUsingUrl(fileName)));
            while ((line = br.readLine()) != null) {
                line = StringUtils.replace(line, "|", " ");
                stemmedRowsList.add(line);
            }
            br.close();
        } catch (IOException e) {
            e.printStackTrace();
        }

        //System.out.println(stemmedRowsList);

        writeIntoInputDataSheet(stemmedRowsList);

    }

    public void writeIntoInputDataSheet(List<String> wordsList) {
        XSSFWorkbook workbook = null;
        try {
            System.out.println("Writing into Input File");
            FileInputStream file = new FileInputStream(
                    new File(GenericHelper.getAbsolutePath() + REVISED_INPUT_SHEET_NAME));
            //FileInputStream file = new FileInputStream(new File(REVISED_INPUT_SHEET_NAME));
            //File file = new File(REVISED_INPUT_SHEET_NAME);

            //Get the workbook instance for XLS file 
            workbook = new XSSFWorkbook(file);

            //Get first sheet from the workbook
            XSSFSheet sheet = workbook.getSheetAt(0);

            //Iterate through each rows from first sheet
            Iterator<Row> rowIterator = sheet.iterator();

            while (rowIterator.hasNext()) {
                Row row = rowIterator.next();
                if (row.getRowNum() == 0) {
                    continue;
                }

                Cell cell = row.getCell(IGenericConstants.STEMMED_DATA_COLUMN_NUMBER);
                if (wordsList.size() > row.getRowNum()) {
                    cell.setCellValue(wordsList.get(row.getRowNum()));
                }
            }

            file.close();

            System.out.println("Writing to the file on the server");
            FileOutputStream outFile = new FileOutputStream(
                    new File(GenericHelper.getAbsolutePath() + REVISED_INPUT_SHEET_NAME));
            workbook.write(outFile);
            System.out.println("File Writing Complete");
            outFile.close();

        } catch (Exception e) {
            e.printStackTrace();
        }
    }

    public static void main(String[] args) {
        StemmedDataFileReader stemmedDataFileReader = new StemmedDataFileReader();
        stemmedDataFileReader.readFromFile("stemmedcsv.csv");
    }

}