tpQU-04::exo-boite

src/tpQU/TP04/Container.java

+package tpQU.tp04;
+
+public enum Container {
+	
+	BLISTER(1), BOX(10), CRATE(50);
+
+	private int capacity;
+
+	private Container(int capacity) {
+		this.capacity = capacity;
+	}
+
+	public int getCapacity() {
+		return this.capacity;
+	}
+
+}
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src/tpQU/TP04/ExtendedException.java

+package tpQU.tp04;
+
+public class ExtendedException extends Exception {
+	public ExtendedException () {}
+	public ExtendedException (String msg) {super(msg);}
+}
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src/tpQU/TP04/Ting.java

+package tpQU.tp04;
+
+public class Thing {
+	private String name;
+	private int quantity;
+	private Container container;
+
+	public Thing(String name, int quantity, Container container) {
+		
+		if (container.getCapacity() >= quantity) {
+			this.name = name;
+			this.quantity = quantity;
+			this.container = container;
+		} else {
+			throw new ExtendedException("Unable to set the proper quantity");
+		}
+	}
+
+	public void setQuantity(int newQuantity) {
+		
+		if (this.container.getCapacity() >= newQuantity) {
+			this.quantity = newQuantity;
+		} else {
+			throw new ExtendedException("Unable to set the proper quantity : the current container is too small");
+		}
+	}
+
+	public boolean transferToLargerContainer() {
+		for (int i = 0; i < Container.values().length; i++) {
+			if (Container.values()[i].equals(this.container)) {
+				this.container = Container.values()[i+1];
+			}
+		}
+	}
+
+	public boolean add(int quantity) {
+		try {
+			this.setQuantity(this.quantity + quantity);
+		} catch (ExtendedException e) {
+			this.transferToLargerContainer();
+			this.setQuantity(this.quantity + quantity);
+		}
+	}
+
+	public String toString() {
+		return "Thing [name=" + this.name + ", quantity=" + this.quantity + ", container=" + this.container.toString() + "]";
+	}
+}
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