[Bean-Factory] init simple bean factory

Author: m1a2st

src/main/java/org/m1a2st/bean/BeanFactory.java

@@ -0,0 +1,22 @@
+package org.m1a2st.bean;
+
+import java.util.HashMap;
+import java.util.Map;
+
+/**
+ * @Author m1a2st
+ * @Date 2023/6/29
+ * @Version v1.0
+ */
+public class BeanFactory {
+
+    private Map<String, Object> beanMap = new HashMap<>();
+
+    public void registerBean(String beanName, Object bean) {
+        beanMap.put(beanName, bean);
+    }
+
+    public Object getBean(String beanName) {
+        return beanMap.get(beanName);
+    }
+}

src/main/test/java/BasicTest.java

@@ -0,0 +1,15 @@
+import org.junit.jupiter.api.Assertions;
+import org.junit.jupiter.api.Test;
+
+/**
+ * @Author m1a2st
+ * @Date 2023/6/29
+ * @Version v1.0
+ */
+public class BasicTest {
+
+    @Test
+    public void basic_test(){
+        Assertions.assertTrue(true);
+    }
+}

src/main/test/java/org/m1a2st/bean/BeanFactoryTest.java

@@ -0,0 +1,29 @@
+package org.m1a2st.bean;
+
+import org.junit.jupiter.api.Test;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertNotNull;
+
+/**
+ * @Author m1a2st
+ * @Date 2023/6/29
+ * @Version v1.0
+ */
+public class BeanFactoryTest {
+
+    @Test
+    public void test_bean_factory() {
+        BeanFactory beanFactory = new BeanFactory();
+        beanFactory.registerBean("helloService", new HelloService());
+        HelloService helloService = (HelloService) beanFactory.getBean("helloService");
+        assertNotNull(helloService);
+        assertEquals(helloService.sayHello(), "Hello");
+    }
+
+    static class HelloService {
+        public String sayHello() {
+            return "Hello";
+        }
+    }
+}