75 lines
1.8 KiB
Java
75 lines
1.8 KiB
Java
package VL12.Aufgabe01;
|
|
|
|
import java.io.IOException;
|
|
import java.nio.charset.StandardCharsets;
|
|
import java.nio.file.Files;
|
|
import java.nio.file.Paths;
|
|
import java.util.List;
|
|
|
|
/**
|
|
* A field to store some information.
|
|
*
|
|
* @author Sebastian Brosch
|
|
*/
|
|
class StringFeld {
|
|
private String[] values;
|
|
|
|
StringFeld(String filePath) {
|
|
List<String> lines = getFileLines(filePath);
|
|
this.values = new String[lines.size()];
|
|
lines.toArray(this.values);
|
|
}
|
|
|
|
StringFeld(String filePath, String separator, int index) {
|
|
List<String> lines = getFileLines(filePath);
|
|
this.values = new String[lines.size()];
|
|
|
|
for (int i = 0; i < lines.size(); i++) {
|
|
this.values[i] = lines.get(i).split(separator)[index];
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Method to get a value.
|
|
*
|
|
* @param index The index of the value.
|
|
* @return The value of the given index.
|
|
*/
|
|
public String get(int index) {
|
|
index = index % this.values.length;
|
|
return this.values[index];
|
|
}
|
|
|
|
/**
|
|
* Method to get a value.
|
|
*
|
|
* @param index The index of the value.
|
|
* @param maxLength The max length of the value.
|
|
* @return The value of the given index.
|
|
*/
|
|
public String get(int index, int maxLength) {
|
|
index = index % this.values.length;
|
|
|
|
if (this.values[index].length() > maxLength) {
|
|
return this.values[index].substring(0, maxLength);
|
|
} else {
|
|
return this.values[index];
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Method to get all the lines of a file.
|
|
*
|
|
* @param filePath The path to the file to get the lines from.
|
|
* @return A list with all lines of the file.
|
|
*/
|
|
private List<String> getFileLines(String filePath) {
|
|
try {
|
|
return Files.readAllLines(Paths.get(filePath), StandardCharsets.ISO_8859_1);
|
|
} catch (IOException e) {
|
|
e.printStackTrace();
|
|
return List.of();
|
|
}
|
|
}
|
|
}
|