125 lines
2.7 KiB
Java
125 lines
2.7 KiB
Java
package pr2.io.serialisierung;
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import java.io.FileInputStream;
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import java.io.FileOutputStream;
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import java.io.IOException;
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import java.io.ObjectInputStream;
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import java.io.ObjectOutputStream;
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import java.io.Serializable;
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/**
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* Ein Dame-Brett.
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*/
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public class Board implements Serializable {
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/**
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* Belegung des Brettes.
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*/
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private final Color[][] brett = new Color[8][8];
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/**
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* Liest den Inhalt aus einer Datei.
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*
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* @param file Dateipfad.
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* @return das gelesene Spielfeld
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* @throws IOException IO-Probleme
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*/
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public static Board loadFromFile(String file) throws IOException {
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// TODO: Aus einer Datei lesen
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return null;
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}
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/**
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* Schreibt den Inhalt des Spielfeldes in eine Datei.
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*
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* @param file Dateiname.
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* @throws IOException IO-Probleme
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*/
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public void writeToFile(String file) throws IOException {
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}
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/**
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* Setzt einen Stein an die gegebene Koordinate.
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*
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* @param koordinate Koordinate in "a1"-Notation.
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* @param farbe Fabe des Spielsteins.
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*/
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public void set(String koordinate, Color farbe) {
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Tupel t = parseCoordinates(koordinate);
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brett[t.x][t.y] = farbe;
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}
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/**
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* Wandelt textuelle Koordinaten in x- und y-Wert um.
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*
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* @param koordinate Koordinate als String.
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* @return Koordinate als Integer-Tupel.
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*/
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private Tupel parseCoordinates(String koordinate) {
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char buchstabe = koordinate.toLowerCase().charAt(0);
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char zahl = koordinate.charAt(1);
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Tupel t = new Tupel();
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t.y = buchstabe - 'a';
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t.x = zahl - '1';
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if (t.x < 0 || t.x > 7) {
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throw new IllegalArgumentException();
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}
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if (t.y < 0 || t.y > 7) {
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throw new IllegalArgumentException();
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}
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return t;
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}
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/**
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* @see java.lang.Object#toString()
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*/
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@Override
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public String toString() {
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StringBuilder result = new StringBuilder();
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char y = '1';
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result.append(" ");
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for (char c : "abcdefgh".toCharArray()) {
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result.append(' ').append(c);
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}
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result.append("\n");
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for (Color[] figurs : brett) {
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result.append(y++);
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for (Color figur : figurs) {
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if (figur != null) {
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result.append(' ').append(figur);
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}
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else {
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result.append(" ");
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}
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}
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result.append("\n");
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}
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return result.toString();
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}
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/**
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* Tupel von zwei int-Werten.
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*/
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private static class Tupel {
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int x;
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int y;
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}
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}
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