spring增强抽象工厂，继承改组合优化

src/main/java/top/fjy8018/designpattern/pattern/creational/factorymethod/spring/after/FactoryConfig.java

@@ -0,0 +1,27 @@
+package top.fjy8018.designpattern.pattern.creational.factorymethod.spring.after;
+
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import top.fjy8018.designpattern.pattern.creational.factorymethod.spring.bean.FormDataHandler;
+import top.fjy8018.designpattern.pattern.creational.factorymethod.spring.bean.FormItemConverter;
+import top.fjy8018.designpattern.pattern.creational.factorymethod.spring.bean.FormItemTypeEnum;
+
+/**
+ * TODO:
+ *
+ * @author F嘉阳
+ * @date 2022/4/8 14:26
+ */
+@Configuration
+public class FactoryConfig {
+
+	@Bean
+	public StrategyFactory<String, FormDataHandler> formDataHandlerFactory() {
+		return new StrategyFactory<>(FormDataHandler.class);
+	}
+
+	@Bean
+	public StrategyFactory<FormItemTypeEnum, FormItemConverter> formItemConverterFactory() {
+		return new StrategyFactory<>(FormItemConverter.class);
+	}
+}

src/main/java/top/fjy8018/designpattern/pattern/creational/factorymethod/spring/after/FormDataHandlerFactory.java

@@ -1,14 +0,0 @@
-package top.fjy8018.designpattern.pattern.creational.factorymethod.spring.after;
-
-import org.springframework.stereotype.Component;
-import top.fjy8018.designpattern.pattern.creational.factorymethod.spring.bean.FormDataHandler;
-
-/**
- * TODO:
- *
- * @author F嘉阳
- * @date 2022/4/8 14:14
- */
-@Component
-public class FormDataHandlerFactory extends AbstractStrategyFactory<String, FormDataHandler> {
-}

src/main/java/top/fjy8018/designpattern/pattern/creational/factorymethod/spring/after/FormItemConverterFactory.java

@@ -1,15 +0,0 @@
-package top.fjy8018.designpattern.pattern.creational.factorymethod.spring.after;
-
-import org.springframework.stereotype.Component;
-import top.fjy8018.designpattern.pattern.creational.factorymethod.spring.bean.FormItemConverter;
-import top.fjy8018.designpattern.pattern.creational.factorymethod.spring.bean.FormItemTypeEnum;
-
-/**
- * TODO:
- *
- * @author F嘉阳
- * @date 2022/4/8 14:17
- */
-@Component
-public class FormItemConverterFactory extends AbstractStrategyFactory<FormItemTypeEnum, FormItemConverter> {
-}

src/main/java/top/fjy8018/designpattern/pattern/creational/factorymethod/spring/after/StrategyFactory.java

@@ -6,8 +6,6 @@ import org.springframework.beans.factory.InitializingBean;
 import org.springframework.context.ApplicationContext;
 import org.springframework.context.ApplicationContextAware;
 
-import java.lang.reflect.ParameterizedType;
-import java.lang.reflect.Type;
 import java.util.Collection;
 import java.util.Map;
 
@@ -17,12 +15,23 @@ import java.util.Map;
  * @author F嘉阳
  * @date 2022/4/8 13:42
  */
-public abstract class AbstractStrategyFactory<T, S extends Strategy<T>> implements InitializingBean, ApplicationContextAware {
+public class StrategyFactory<T, S extends Strategy<T>> implements InitializingBean, ApplicationContextAware {
 
 	private Map<T, S> strategyMap;
 
 	private ApplicationContext appContext;
 
+	private final Class<S> strategyType;
+
+	/**
+	 * 创建一个策略工厂
+	 *
+	 * @param strategyType 策略的类型
+	 */
+	public StrategyFactory(Class<S> strategyType) {
+		this.strategyType = strategyType;
+	}
+
 	/**
 	 * 根据策略 id 获得对应的策略的 Bean
 	 *
@@ -36,13 +45,14 @@ public abstract class AbstractStrategyFactory<T, S extends Strategy<T>> implemen
 	@Override
 	public void afterPropertiesSet() throws Exception {
 		// 获取 Spring 容器中，所有 S 类型的 Bean
-		Collection<S> strategies = appContext.getBeansOfType(getStrategyType()).values();
+		Collection<S> strategies = appContext.getBeansOfType(strategyType).values();
 
 		strategyMap = Maps.newHashMapWithExpectedSize(strategies.size());
 
-		// 将所有 S 类型的 Bean 放入到 strategyMap 中
+		// 将 所有 S 类型的 Bean 放入到 strategyMap 中
 		for (final S strategy : strategies) {
 			T id = strategy.getId();
+
 			strategyMap.put(id, strategy);
 		}
 	}
@@ -51,22 +61,4 @@ public abstract class AbstractStrategyFactory<T, S extends Strategy<T>> implemen
 	public void setApplicationContext(ApplicationContext applicationContext) throws BeansException {
 		appContext = applicationContext;
 	}
-
-	/**
-	 * 通过反射获取策略的类型
-	 *
-	 * @return 策略的类型
-	 */
-	protected Class<S> getStrategyType() {
-		// getClass 获取当前运行时实例的类，getGenericSuperclass 获得泛型父类
-		Type superclass = getClass().getGenericSuperclass();
-		ParameterizedType pt = (ParameterizedType) superclass;
-		Type[] actualTypeArguments = pt.getActualTypeArguments();
-		// 获得索引为 1 的实际参数类型，即第二个实际参数的类型
-		Type actualTypeArgument = actualTypeArguments[1];
-		@SuppressWarnings("unchecked")
-		Class<S> result = (Class<S>) actualTypeArgument;
-
-		return result;
-	}
 }