sdf/Car.java

package com.car.model;

import java.util.ArrayList;
import java.util.List;

/**
 * 汽车类 - 主类，包含多个组件的组合关系
 */
public class Car {
    private String brand;
    private String model;
    private String year;
    
    // 组合关系组件
    private SteeringWheel steeringWheel; // 方向盘
    private List<Seat> seats; // 座椅列表
    private Engine engine; // 引擎
    private Transmission transmission; // 变速箱
    private ElectronicSystem electronicSystem; // 电子系统
    private List<Wheel> wheels; // 车轮列表
    
    /**
     * 构造方法
     * @param brand 品牌
     * @param model 型号
     * @param year 年份
     */
    public Car(String brand, String model, String year) {
        this.brand = brand;
        this.model = model;
        this.year = year;
        
        // 初始化基础组件
        this.steeringWheel = new SteeringWheel("Leather", "380mm", true);
        this.seats = new ArrayList<>();
        this.engine = new Engine("V6", 300, 3.5, 6);
        this.transmission = new Transmission("Automatic", 8, true);
        this.electronicSystem = new ElectronicSystem("v1.0");
        this.wheels = new ArrayList<>();
        
        // 初始化座椅
        seats.add(new Seat("Driver", "Leather", true, true));
        seats.add(new Seat("Passenger", "Leather", true, true));
        
        // 初始化车轮
        for (int i = 0; i < 4; i++) {
            wheels.add(new Wheel("18 inch", "All-season", 32));
        }
    }
    
    /**
     * 启动汽车
     */
    public void start() {
        System.out.println(brand + " " + model + " starting...");
        System.out.println("Engine started: " + engine.getType());
        System.out.println("Electronic systems initialized.");
    }
    
    /**
     * 停止汽车
     */
    public void stop() {
        System.out.println(brand + " " + model + " stopping...");
        System.out.println("Engine stopped.");
    }
    
    /**
     * 更换方向盘
     * @param newSteeringWheel 新的方向盘
     */
    public void replaceSteeringWheel(SteeringWheel newSteeringWheel) {
        this.steeringWheel = newSteeringWheel;
        System.out.println("Steering wheel replaced.");
    }
    
    /**
     * 更换座椅
     * @param index 座椅索引
     * @param newSeat 新的座椅
     * @return 是否更换成功
     */
    public boolean replaceSeat(int index, Seat newSeat) {
        if (index >= 0 && index < seats.size()) {
            seats.set(index, newSeat);
            System.out.println("Seat at position " + index + " replaced.");
            return true;
        }
        return false;
    }
    
    /**
     * 更换车轮
     * @param index 车轮索引
     * @param newWheel 新的车轮
     * @return 是否更换成功
     */
    public boolean replaceWheel(int index, Wheel newWheel) {
        if (index >= 0 && index < wheels.size()) {
            wheels.set(index, newWheel);
            System.out.println("Wheel at position " + index + " replaced.");
            return true;
        }
        return false;
    }
    
    /**
     * 运行汽车诊断
     * @return 诊断结果
     */
    public boolean runDiagnostics() {
        System.out.println("Running diagnostics for " + brand + " " + model + "...");
        boolean engineOk = true; // 简化处理
        boolean electronicOk = electronicSystem.runDiagnostics();
        
        // 检查轮胎气压
        boolean wheelsOk = true;
        for (int i = 0; i < wheels.size(); i++) {
            if (!wheels.get(i).checkPressure()) {
                System.out.println("Wheel " + i + " pressure issue detected!");
                wheelsOk = false;
            }
        }
        
        boolean overallStatus = engineOk && electronicOk && wheelsOk;
        System.out.println("Diagnostics completed. Overall status: " + (overallStatus ? "OK" : "Issues detected"));
        return overallStatus;
    }
    
    // getter and setter methods
    public String getBrand() {
        return brand;
    }
    
    public void setBrand(String brand) {
        this.brand = brand;
    }
    
    public String getModel() {
        return model;
    }
    
    public void setModel(String model) {
        this.model = model;
    }
    
    public String getYear() {
        return year;
    }
    
    public void setYear(String year) {
        this.year = year;
    }
    
    public SteeringWheel getSteeringWheel() {
        return steeringWheel;
    }
    
    public void setSteeringWheel(SteeringWheel steeringWheel) {
        this.steeringWheel = steeringWheel;
    }
    
    public List<Seat> getSeats() {
        return new ArrayList<>(seats);
    }
    
    public Engine getEngine() {
        return engine;
    }
    
    public void setEngine(Engine engine) {
        this.engine = engine;
    }
    
    public Transmission getTransmission() {
        return transmission;
    }
    
    public void setTransmission(Transmission transmission) {
        this.transmission = transmission;
    }
    
    public ElectronicSystem getElectronicSystem() {
        return electronicSystem;
    }
    
    public void setElectronicSystem(ElectronicSystem electronicSystem) {
        this.electronicSystem = electronicSystem;
    }
    
    public List<Wheel> getWheels() {
        return new ArrayList<>(wheels);
    }
    
    @Override
    public String toString() {
        return "Car [brand=" + brand + ", model=" + model + ", year=" + year + ", engine=" + engine + ", transmission=" + transmission + "]";
    }
}