Initial commit for 2.2

src/main/java/_2/_2/Dance.java

@@ -0,0 +1,57 @@
+package _2._2;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class Dance {
+	private String name;
+	private String beat;
+	private List<Figure> figures;
+
+	public Dance(String name, String beat) {
+		this.name = name;
+		this.beat = beat;
+		this.figures = new ArrayList<>();
+	}
+
+	public Dance(String name, String beat, List<Figure> figures) {
+		this.name = name;
+		this.beat = beat;
+		this.figures = figures;
+	}
+
+	public String getName() {
+		return this.name;
+	}
+
+	public void setName(String name) {
+		this.name = name;
+	}
+
+	public String getBeat() {
+		return this.beat;
+	}
+
+	public void setBeat(String beat) {
+		this.beat = beat;
+	}
+
+	public List<Figure> getFigures() {
+		return this.figures;
+	}
+
+	public void setFigures(List<Figure> figures) {
+		this.figures = figures;
+	}
+
+//TODO remove
+//	@Override
+//	public String toString() {
+//		final StringBuilder sb = new StringBuilder(this.getClass().getSimpleName());
+//		sb.append(" ");
+//		sb.append(name);
+//		sb.append(" (").append(beat).append(") ");
+//		sb.append(figures);
+//		return sb.toString();
+//	}
+}

src/main/java/_2/_2/DanceDatabase.java

@@ -0,0 +1,25 @@
+package _2._2;
+
+import java.util.Arrays;
+
+public class DanceDatabase {
+
+	private static final Figure BASIC_MOVE   = new Figure("Basic Move",   "Lorem ipsum.");
+	private static final Figure NATURAL_TURN = new Figure("Natural Turn", "Lorem ipsum.");
+	private static final Figure SPIN_TURN    = new Figure("Spin Turn",    "Lorem ipsum.");
+	private static final Figure FAN          = new Figure("Fan",          "Lorem ipsum.");
+	private static final Figure PROMENADE    = new Figure("Promenade",    "Lorem ipsum.");
+	private static final Figure CHASSE       = new Figure("Chassé",       "Lorem ipsum.");
+	private static final Figure WHISK        = new Figure("Whisk",  Arrays.asList(PROMENADE, CHASSE));
+
+	public static final LatinDance    JIVE      = new LatinDance(   "Jive",      "4/4", Arrays.asList(BASIC_MOVE));
+	public static final LatinDance    RUMBA     = new LatinDance(   "Rumba",     "4/4", Arrays.asList(BASIC_MOVE, FAN));
+	public static final LatinDance    CHACHACHA = new LatinDance(   "ChaChaCha", "4/4", Arrays.asList(BASIC_MOVE, FAN));
+	public static final StandardDance TANGO     = new StandardDance("Tango",     "4/4", Arrays.asList(BASIC_MOVE, PROMENADE));
+	public static final StandardDance QUICKSTEP = new StandardDance("Quickstep", "4/4", Arrays.asList(BASIC_MOVE, SPIN_TURN));
+	public static final StandardDance WALTZ     = new StandardDance("Waltz",     "3/4", Arrays.asList(NATURAL_TURN, SPIN_TURN, WHISK));
+
+	public static void main(String[] args) {
+		//unnötig
+	}
+}

src/main/java/_2/_2/Figure.java

@@ -0,0 +1,92 @@
+package _2._2;
+
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * A Figure is described by either Text or (exclusive) a sequence of other Figures.
+ */
+public class Figure {
+	private String name;
+	private String description;
+	private List<Figure> parts;
+
+	public Figure(String name, String description) {
+		this.name = name;
+		this.description = description;
+	}
+
+	public Figure(String name, List<Figure> parts) {
+		this.name = name;
+		this.parts = new ArrayList<>();
+		for(Figure part : parts) {
+			this.add(part);
+		}
+	}
+
+	public boolean add(Figure figure) {
+		if(figure == null || this.parts == null || this.contains(figure)) {
+			return false;
+		}
+		return this.parts.add(figure);
+	}
+
+	private boolean contains(Figure figure) {
+		if(this.parts == null) {
+			return false;
+		}
+		if(this.parts.contains(figure)) {
+			return true;
+		}
+		for(Figure part : this.parts) {
+			if(part.parts == null) {
+				continue;
+			}
+			if(part.equals(figure) || part.contains(figure)) {
+				return true;
+			}
+		}
+		return false;
+	}
+
+	public String getName() {
+		return this.name;
+	}
+
+	public void setName(String name) {
+		this.name = name;
+	}
+
+	public String getDescription() {
+		return this.description;
+	}
+
+	public void setDescription(String description) {
+		if(this.parts != null) {
+			throw new IllegalStateException("This figure is already described as a sequence of other figures.");
+		}
+		this.description = description;
+	}
+
+	public List<Figure> getParts() {
+		return this.parts;
+	}
+
+	public void setParts(List<Figure> parts) {
+		if(this.description != null) {
+			throw new IllegalStateException("This figure is already described by text.");
+		}
+		this.parts = parts;
+	}
+
+//TODO remove
+//	@Override
+//	public String toString() {
+//		final StringBuilder sb = new StringBuilder();
+//		sb.append(name);
+//		if(parts != null) {
+//			sb.append(": ").append(parts);
+//		}
+//		return sb.toString();
+//	}
+}

src/main/java/_2/_2/LatinDance.java

@@ -0,0 +1,13 @@
+package _2._2;
+
+import java.util.List;
+
+public class LatinDance extends Dance {
+	public LatinDance(String name, String beat) {
+		super(name, beat);
+	}
+
+	public LatinDance(String name, String beat, List<Figure> figures) {
+		super(name, beat, figures);
+	}
+}

src/main/java/_2/_2/StandardDance.java

@@ -0,0 +1,13 @@
+package _2._2;
+
+import java.util.List;
+
+public class StandardDance extends Dance {
+	public StandardDance(String name, String beat) {
+		super(name, beat);
+	}
+
+	public StandardDance(String name, String beat, List<Figure> figures) {
+		super(name, beat, figures);
+	}
+}