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Improved scanner datastructure

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Signed-off-by: Jim Martens <github@2martens.de>
This commit is contained in:
Jim Martens
2017-06-26 17:05:36 +02:00
parent 5d599e8334
commit 2ac2068080
1 changed files with 11 additions and 6 deletions
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17
07/src/de.dis2017/data/db/CSVScanner.java
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@ -12,14 +12,19 @@ public class CSVScanner {
* @return a list of csv entries * @return a list of csv entries
* @throws FileNotFoundException if file doesn't exist * @throws FileNotFoundException if file doesn't exist
*/ */
public List<String> scan() throws FileNotFoundException { public List<List<String>> scan() throws FileNotFoundException {
List<String> entries = new ArrayList<>(); List<List<String>> entries = new ArrayList<>();
Scanner scanner = new Scanner(new File("sales.csv")); Scanner scanner = new Scanner(new File("sales.csv"));
scanner.useDelimiter(";"); while (scanner.hasNextLine()) {
while (scanner.hasNext()) { List<String> line = new ArrayList<>();
String current = scanner.next(); String line_str = scanner.nextLine();
entries.add(current); Scanner line_scanner = new Scanner(line_str);
line_scanner.useDelimiter(";");
while (line_scanner.hasNext()) {
line.add(line_scanner.next());
}
entries.add(line);
} }
scanner.close(); scanner.close();