41 lines
1.2 KiB
Java
41 lines
1.2 KiB
Java
package de.dis2017.data.db;
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import java.io.File;
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import java.io.FileInputStream;
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import java.io.FileNotFoundException;
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import java.util.ArrayList;
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import java.util.List;
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import java.util.Scanner;
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public class CSVScanner {
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/**
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* Scans the sales.csv file.
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* @param file the filename of the csv file
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* @return a list of csv entries
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* @throws FileNotFoundException if file doesn't exist
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*/
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public static List<List<String>> scan(String file) throws FileNotFoundException {
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List<List<String>> entries = new ArrayList<>();
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Scanner scanner = new Scanner(new FileInputStream(new File(file)));
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scanner.useDelimiter("\n");
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scanner.nextLine();
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while (scanner.hasNextLine()) {
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List<String> line = new ArrayList<>();
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String line_str = scanner.nextLine();
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if (line_str.isEmpty()) {
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continue;
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}
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Scanner line_scanner = new Scanner(line_str);
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line_scanner.useDelimiter(";");
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while (line_scanner.hasNext()) {
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line.add(line_scanner.next());
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}
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entries.add(line);
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}
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scanner.close();
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return entries;
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}
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}
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