Merge pull request #13 from DeyuGoGo/Iterator

DeyuGoGo · DeyuGoGo · commit e3c46b5452f8 · 2015-04-12T01:12:43.000+08:00
add Iterator without README and test
diff --git a/HeadFirstDesignPatterns/src/iterator/ArmsSales.java b/HeadFirstDesignPatterns/src/iterator/ArmsSales.java
@@ -0,0 +1,29 @@
+package iterator;
+
+import decorate.Weapon;
+import util.JavaLog;
+
+public class ArmsSales {
+
+	private WeaponStoreTW mStoreTW ;
+	private WeaponStoreSW mStoreSW ;
+	public ArmsSales(WeaponStoreTW storeTW , WeaponStoreSW storeSW){
+		this.mStoreTW = storeTW ;
+		this.mStoreSW = storeSW;
+	}
+	
+	public void FlySprayArms(){
+		Iterator iterator = mStoreTW.createWeaponIterator();
+		Iterator iterator2 = mStoreSW.createWeaponIterator();
+		JavaLog.d("TW");
+		FlySprayArms(iterator);
+		JavaLog.d("SW");
+		FlySprayArms(iterator2);
+	}
+	private void FlySprayArms(Iterator iterator){
+		while(iterator.hasNext()){
+			Weapon ooWeapon = (Weapon)iterator.next();
+			JavaLog.d("�~�Ȫ��Z���Q�X��" + ooWeapon.getHurtVerb());
+		}
+	}
+}
diff --git a/HeadFirstDesignPatterns/src/iterator/ArrayListWeaponIterator.java b/HeadFirstDesignPatterns/src/iterator/ArrayListWeaponIterator.java
@@ -0,0 +1,26 @@
+package iterator;
+
+import java.util.ArrayList;
+
+import decorate.Weapon;
+
+public class ArrayListWeaponIterator implements Iterator{
+	private int position = 0 ;
+	private ArrayList<Weapon>  mWeapons;
+	public ArrayListWeaponIterator(ArrayList<Weapon> weapons){
+		this.mWeapons = weapons;
+	}
+	@Override
+	public boolean hasNext() {
+		if(position >= mWeapons.size() || mWeapons.get(position) == null)return false;
+		else return true;
+	}
+
+	@Override
+	public Object next() {
+		Weapon weapon = mWeapons.get(position);
+		position++;
+		return weapon;
+	}
+
+}
diff --git a/HeadFirstDesignPatterns/src/iterator/ArrayWeaponIterator.java b/HeadFirstDesignPatterns/src/iterator/ArrayWeaponIterator.java
@@ -0,0 +1,24 @@
+package iterator;
+
+import decorate.Weapon;
+
+public class ArrayWeaponIterator implements Iterator{
+	private int position = 0 ;
+	private Weapon[] mWeapons;
+	public ArrayWeaponIterator(Weapon[] weapons){
+		this.mWeapons = weapons;
+	}
+	@Override
+	public boolean hasNext() {
+		if(position >= mWeapons.length || mWeapons[position] == null)return false;
+		else return true;
+	}
+
+	@Override
+	public Object next() {
+		Weapon weapon = mWeapons[position];
+		position++;
+		return weapon;
+	}
+
+}
diff --git a/HeadFirstDesignPatterns/src/iterator/Go.java b/HeadFirstDesignPatterns/src/iterator/Go.java
@@ -0,0 +1,11 @@
+package iterator;
+
+
+public class Go {
+	public static void main(String[] args) {
+		WeaponStoreSW mStoreSW = new WeaponStoreSW();
+		WeaponStoreTW mStoreTW = new WeaponStoreTW();
+		ArmsSales sales = new ArmsSales(mStoreTW, mStoreSW);
+		sales.FlySprayArms();
+	}
+}
diff --git a/HeadFirstDesignPatterns/src/iterator/Iterator.java b/HeadFirstDesignPatterns/src/iterator/Iterator.java
@@ -0,0 +1,6 @@
+package iterator;
+
+public interface Iterator {
+	boolean hasNext();
+	Object next();
+}
diff --git a/HeadFirstDesignPatterns/src/iterator/WeaponStore.java b/HeadFirstDesignPatterns/src/iterator/WeaponStore.java
@@ -0,0 +1,5 @@
+package iterator;
+
+public interface WeaponStore {
+	public Iterator createWeaponIterator();
+}
diff --git a/HeadFirstDesignPatterns/src/iterator/WeaponStoreSW.java b/HeadFirstDesignPatterns/src/iterator/WeaponStoreSW.java
@@ -0,0 +1,24 @@
+package iterator;
+
+import java.util.ArrayList;
+
+import decorate.Sword;
+import decorate.Weapon;
+
+public class WeaponStoreSW implements WeaponStore{
+
+	private ArrayList<Weapon> mWeapons ;
+	public WeaponStoreSW(){
+		mWeapons = new  ArrayList<Weapon>();
+		addWeapon(new Sword());
+		addWeapon(new Sword());
+		addWeapon(new Sword());
+	}
+	@Override
+	public Iterator createWeaponIterator() {
+		return new ArrayListWeaponIterator(mWeapons);
+	}
+	public void addWeapon(Weapon weapon){
+		mWeapons.add(weapon);
+	}
+}
diff --git a/HeadFirstDesignPatterns/src/iterator/WeaponStoreTW.java b/HeadFirstDesignPatterns/src/iterator/WeaponStoreTW.java
@@ -0,0 +1,26 @@
+package iterator;
+
+import decorate.Arrow;
+import decorate.Weapon;
+
+public class WeaponStoreTW implements WeaponStore{
+
+	private static final int MAX = 5;
+	private Weapon[] mWeapons ;
+	private int amount = 0;
+	public WeaponStoreTW(){
+		mWeapons = new Weapon[MAX];
+		addWeapon(new Arrow());
+		addWeapon(new Arrow());
+		addWeapon(new Arrow());
+	}
+	@Override
+	public Iterator createWeaponIterator() {
+		return new ArrayWeaponIterator(mWeapons);
+	}
+	public void addWeapon(Weapon weapon){
+		if(amount>=MAX) throw new IndexOutOfBoundsException("WeaponStoreTW in max weapons can't add weapon");
+		mWeapons[amount] = weapon;
+		amount++;
+	}
+}
