101 lines
2.4 KiB
Java
101 lines
2.4 KiB
Java
/* Reads a file of coordinates
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*
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*
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* Testing:
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* - Only valid coordinates are added (through regex)
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* -
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*/
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import java.io.BufferedReader;
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import java.io.File;
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import java.io.FileReader;
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import java.io.IOException;
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import java.util.ArrayList;
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import java.util.regex.Matcher;
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import java.util.regex.Pattern;
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public class Mouse {
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private ArrayList<MousePath> mousePaths;
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public Mouse(String path) {
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mousePaths = new ArrayList<MousePath>();
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readFile(path);
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}
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public void readFile(String path) {
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try {
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File file = new File(path);
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FileReader fileReader = new FileReader(file);
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BufferedReader bufferedReader = new BufferedReader(fileReader);
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Pattern linePattern = Pattern.compile("[0-9]*,[0-9]*,[0-9]*$");
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String line;
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Point lastPoint = new Point(0, 0, 0);
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int numberOfRepeats = 0;
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ArrayList<Point> currentPath = new ArrayList<Point>();
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currentPath.add(lastPoint);
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while ((line = bufferedReader.readLine()) != null) {
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if (!isLineValid(line, linePattern)) {
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System.out.println(line + " does not match regex -- SKIPPING");
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continue;
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}
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Point point = getPointFromLine(line);
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if (!point.isValid()) {
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continue;
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}
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if (point.hasSameLocation(lastPoint)) {
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numberOfRepeats++;
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if (numberOfRepeats == 20) {
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if (currentPath.size() < 5) {
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continue;
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}
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MousePath newPath = new MousePath(currentPath);
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mousePaths.add(newPath); // Deep copies
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currentPath.clear();
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}
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}
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else {
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numberOfRepeats = 0;
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currentPath.add(point);
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}
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lastPoint = point;
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}
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fileReader.close();
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} catch (IOException e) {
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e.printStackTrace();
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}
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}
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private boolean isLineValid(String line, Pattern linePattern) {
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Matcher matcher = linePattern.matcher(line);
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if (matcher.find()) {
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return true;
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}
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return false;
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}
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private Point getPointFromLine(String line) {
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String[] parts = line.split(Pattern.quote(","));
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return new Point(Integer.parseInt(parts[0]), Integer.parseInt(parts[1]), Integer.parseInt(parts[2]));
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}
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public void displayPaths() {
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for (MousePath path : mousePaths) {
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path.display();
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System.out.println("----------------------------------------------------------");
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}
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System.out.println("There are " + mousePaths.size() + " paths.");
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}
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public int getNumberOfPaths() {
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return mousePaths.size();
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}
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public ArrayList<MousePath> getMousePaths() {
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return mousePaths;
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}
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} |