ADD file via upload

DeviceManager.java

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+/**
+ * 动态设备管理系统
+ * 可以根据设备实现的接口自动识别和管理设备功能
+ */
+import java.util.ArrayList;
+import java.util.List;
+
+public class DeviceManager {
+    private String name;
+    private List<Device> devices;
+    
+    public DeviceManager(String name) {
+        this.name = name;
+        this.devices = new ArrayList<>();
+    }
+    
+    /**
+     * 添加设备到管理系统
+     * @param device 要添加的设备
+     */
+    public void addDevice(Device device) {
+        devices.add(device);
+        System.out.println(name + " 已添加设备: " + device.getName());
+    }
+    
+    /**
+     * 移除设备
+     * @param deviceName 设备名称
+     * @return 是否移除成功
+     */
+    public boolean removeDevice(String deviceName) {
+        for (Device device : devices) {
+            if (device.getName().equals(deviceName)) {
+                devices.remove(device);
+                System.out.println(name + " 已移除设备: " + deviceName);
+                return true;
+            }
+        }
+        return false;
+    }
+    
+    /**
+     * 打开所有设备
+     */
+    public void turnOnAllDevices() {
+        for (Device device : devices) {
+            device.turnOn();
+        }
+    }
+    
+    /**
+     * 关闭所有设备
+     */
+    public void turnOffAllDevices() {
+        for (Device device : devices) {
+            device.turnOff();
+        }
+    }
+    
+    /**
+     * 列出所有设备及其功能
+     */
+    public void listAllDevices() {
+        System.out.println("===== " + name + " 设备列表 =====");
+        for (Device device : devices) {
+            System.out.println("设备: " + device.getName() + " (状态: " + (device.isOn() ? "开启" : "关闭") + ")");
+            System.out.print("  支持的功能: ");
+            List<String> capabilities = new ArrayList<>();
+            
+            if (device instanceof TemperatureAdjustable) {
+                capabilities.add("温度调节");
+            }
+            if (device instanceof BrightnessAdjustable) {
+                capabilities.add("亮度调节");
+            }
+            if (device instanceof MediaPlayable) {
+                capabilities.add("媒体播放");
+            }
+            if (device instanceof Timable) {
+                capabilities.add("定时功能");
+            }
+            
+            System.out.println(String.join(", ", capabilities));
+        }
+    }
+    
+    /**
+     * 根据接口类型查找设备
+     * @param interfaceType 接口类型
+     * @return 实现该接口的设备列表
+     */
+    @SuppressWarnings("unchecked")
+    public <T> List<T> findDevicesByInterface(Class<T> interfaceType) {
+        List<T> result = new ArrayList<>();
+        for (Device device : devices) {
+            if (interfaceType.isInstance(device)) {
+                result.add((T) device);
+            }
+        }
+        return result;
+    }
+    
+    /**
+     * 批量设置温度调节设备的温度
+     * @param temperature 目标温度
+     */
+    public void setTemperatureForAll(int temperature) {
+        List<TemperatureAdjustable> tempDevices = findDevicesByInterface(TemperatureAdjustable.class);
+        for (TemperatureAdjustable device : tempDevices) {
+            if (device instanceof Device && ((Device)device).isOn()) {
+                device.setTemperature(temperature);
+            }
+        }
+    }
+    
+    /**
+     * 批量设置亮度调节设备的亮度
+     * @param brightness 目标亮度
+     */
+    public void setBrightnessForAll(int brightness) {
+        List<BrightnessAdjustable> brightnessDevices = findDevicesByInterface(BrightnessAdjustable.class);
+        for (BrightnessAdjustable device : brightnessDevices) {
+            if (device instanceof Device && ((Device)device).isOn()) {
+                device.setBrightness(brightness);
+            }
+        }
+    }
+}