package org.springframework.security.crypto.bcrypt;
/**
* 状态模式测试
*/
public interface State {
/**
* 添加硬币
*/
void insertCoin();
/**
* 退出硬币
*/
void returnCoin();
/**
* 转动曲柄
*/
void turnCrank();
/**
* 发放操作
*/
void dispense();
/**
* 打印状态
*/
void printstate();
}
package org.springframework.security.crypto.bcrypt;
/**
* 糖果机
*/
public class CandyMachine {
State mSoldOutState;
State mOnReadyState;
State mHasCoin;
State mSoldState;
State mWinnerState;
private State state;
private int count = 0;
public CandyMachine(int count) {
this.count = count;
mSoldOutState = new SoldOutState(this);
mOnReadyState = new OnReadyState(this);
mHasCoin = new HasCoin(this);
mSoldState = new SoldState(this);
mWinnerState = new WinnerState(this);
if (count > 0) {
state = mOnReadyState;
} else {
state = mSoldOutState;
}
}
public void setState(State state) {
this.state = state;
}
public void insertCoin() {
state.insertCoin();
}
public void returnCoin() {
state.returnCoin();
}
public void turnCrank() {
state.turnCrank();
state.dispense();
}
void releaseCandy() {
// TODO Auto-generated method stub
if (count > 0) {
count = count - 1;
System.out.println("一块糖果推出！");
}
}
public int getCount() {
return count;
}
public void printstate() {
state.printstate();
}
}
package org.springframework.security.crypto.bcrypt;
import java.util.Random;
/**
* 有硬币
*/
public class HasCoin implements State {
private CandyMachine mCandyMachine;
public HasCoin(CandyMachine mCandyMachine) {
this.mCandyMachine = mCandyMachine;
}
@Override
public void insertCoin() {
// TODO Auto-generated method stub
System.out.println("你不能插入另一枚硬币！");
}
@Override
public void returnCoin() {
// TODO Auto-generated method stub
System.out.println("硬币回归！");
mCandyMachine.setState(mCandyMachine.mOnReadyState);
}
@Override
public void turnCrank() {
// TODO Auto-generated method stub
System.out.println("转弯......！");
Random ranwinner=new Random();
int winner=ranwinner.nextInt(10);
if(winner==0) {
mCandyMachine.setState(mCandyMachine.mWinnerState);
}else {
mCandyMachine.setState(mCandyMachine.mSoldState);
}
}
@Override
public void dispense() {
}
@Override
public void printstate() {
// TODO Auto-generated method stub
System.out.println("***HasCoin***");
}
}
package org.springframework.security.crypto.bcrypt;
/**
* 在准备状态
*/
public class OnReadyState implements State {
private CandyMachine mCandyMachine;
public OnReadyState(CandyMachine mCandyMachine){
this.mCandyMachine=mCandyMachine;
}
@Override
public void insertCoin() {
System.out.println("你已经插入了一枚硬币，接下来，请转动曲柄！");
mCandyMachine.setState(mCandyMachine.mHasCoin);
}
@Override
public void returnCoin() {
// TODO Auto-generated method stub
System.out.println("你还没有插入硬币！");
}
@Override
public void turnCrank() {
// TODO Auto-generated method stub
System.out.println("你转身，但你还没有插入硬币！");
}
@Override
public void dispense() {
// TODO Auto-generated method stub
}
@Override
public void printstate() {
// TODO Auto-generated method stub
System.out.println("***OnReadyState***");
}
}
package org.springframework.security.crypto.bcrypt;
/**
* 出售完状态
*/
public class SoldOutState implements State {
private CandyMachine mCandyMachine;
public SoldOutState(CandyMachine mCandyMachine)
{
this.mCandyMachine=mCandyMachine;
}
@Override
public void insertCoin() {
// TODO Auto-generated method stub
System.out.println("你不能插入硬币，机器卖光了！");
}
@Override
public void returnCoin() {
// TODO Auto-generated method stub
System.out.println("你不能回来，你还没有插入硬币！");
}
@Override
public void turnCrank() {
// TODO Auto-generated method stub
System.out.println("你转过身来，但没有糖果！");
}
@Override
public void dispense() {
// TODO Auto-generated method stub
}
@Override
public void printstate() {
// TODO Auto-generated method stub
System.out.println("***SoldState***");
}
}
package org.springframework.security.crypto.bcrypt;
/**
* 售出操作
*/
public class SoldState implements State {
private CandyMachine mCandyMachine;
public SoldState(CandyMachine mCandyMachine)
{
this.mCandyMachine=mCandyMachine;
}
@Override
public void insertCoin() {
// TODO Auto-generated method stub
System.out.println("请稍等！我们给你一个糖果！");
}
@Override
public void returnCoin() {
// TODO Auto-generated method stub
System.out.println("你还没有插入硬币！");
}
@Override
public void turnCrank() {
// TODO Auto-generated method stub
System.out.println("我们给你一个糖果，让另一个什么都没有，！");
}
@Override
public void dispense() {
// TODO Auto-generated method stub
mCandyMachine.releaseCandy();
if (mCandyMachine.getCount() > 0) {
mCandyMachine.setState(mCandyMachine.mOnReadyState);
} else {
System.out.println("Oo,out of candies");
mCandyMachine.setState(mCandyMachine.mSoldOutState);
}
}
@Override
public void printstate() {
// TODO Auto-generated method stub
System.out.println("***SoldState***");
}
}
package org.springframework.security.crypto.bcrypt;
/**
* 胜利者状态
*/
public class WinnerState implements State {
private CandyMachine mCandyMachine;
public WinnerState(CandyMachine mCandyMachine) {
this.mCandyMachine = mCandyMachine;
}
@Override
public void insertCoin() {
// TODO Auto-generated method stub
System.out.println("请稍等！我们给你一个糖果！");
}
@Override
public void returnCoin() {
// TODO Auto-generated method stub
System.out.println("你还没有插入硬币！");
}
@Override
public void turnCrank() {
// TODO Auto-generated method stub
System.out
.println("我们给你一个糖果，让另一个什么都没有，！");
}
@Override
public void dispense() {
// TODO Auto-generated method stub
mCandyMachine.releaseCandy();
if (mCandyMachine.getCount() == 0) {
mCandyMachine.setState(mCandyMachine.mSoldOutState);
} else {
System.out.println("你是赢家！你得到另一个糖果！");
mCandyMachine.releaseCandy();
if (mCandyMachine.getCount() > 0) {
mCandyMachine.setState(mCandyMachine.mOnReadyState);
} else {
System.out.println("哦，糖果");
mCandyMachine.setState(mCandyMachine.mSoldOutState);
}
}
}
@Override
public void printstate() {
// TODO Auto-generated method stub
System.out.println("***WinnerState***");
}
}
@Test
public void test01(){
CandyMachine mCandyMachine = new CandyMachine(6);
mCandyMachine.printstate();
mCandyMachine.insertCoin();
mCandyMachine.printstate();
mCandyMachine.turnCrank();
mCandyMachine.printstate();
mCandyMachine.insertCoin();
mCandyMachine.printstate();
mCandyMachine.turnCrank();
mCandyMachine.printstate();
}