first

Author: code4craft

pom.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <groupId>us.codecraft</groupId>
+    <artifactId>tiny-ioc</artifactId>
+    <version>0.1.1-SNAPSHOT</version>
+    <modelVersion>4.0.0</modelVersion>
+    <packaging>jar</packaging>
+    <properties>
+        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+        <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
+    </properties>
+    <name>tiny-ioc</name>
+    <description>
+        A tinu ioc container for study.
+    </description>
+    <url>https://github.com/code4craft/xsoup/</url>
+    <developers>
+        <developer>
+            <id>code4craft</id>
+            <name>Yihua huang</name>
+            <email>code4crafer@gmail.com</email>
+        </developer>
+    </developers>
+   <licenses>
+    <license>
+        <name>The MIT License</name>
+        <distribution>repo</distribution>
+    </license>  
+  </licenses>
+
+        <dependencies>
+            <dependency>
+                <groupId>junit</groupId>
+                <artifactId>junit</artifactId>
+                <version>4.7</version>
+                <scope>test</scope>
+            </dependency>
+        </dependencies>
+
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-compiler-plugin</artifactId>
+                <version>3.1</version>
+                <configuration>
+                    <source>1.6</source>
+                    <target>1.6</target>
+                    <encoding>UTF-8</encoding>
+                </configuration>
+            </plugin>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-resources-plugin</artifactId>
+                <version>2.6</version>
+                <configuration>
+                    <encoding>UTF-8</encoding>
+                </configuration>
+            </plugin>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-source-plugin</artifactId>
+                <version>2.2.1</version>
+                <executions>
+                    <execution>
+                        <id>attach-sources</id>
+                        <goals>
+                            <goal>jar</goal>
+                        </goals>
+                    </execution>
+                </executions>
+            </plugin>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-javadoc-plugin</artifactId>
+                <version>2.9.1</version>
+                <configuration>
+                    <encoding>UTF-8</encoding>
+                </configuration>
+                <executions>
+                    <execution>
+                        <id>attach-javadocs</id>
+                        <goals>
+                            <goal>jar</goal>
+                        </goals>
+                    </execution>
+                </executions>
+            </plugin>
+        </plugins>
+    </build>
+
+
+
+</project>

src/main/java/us/codecraft/tinyioc/BeanDefinition.java

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+package us.codecraft.tinyioc;
+
+/**
+ * @author yihua.huang@dianping.com
+ */
+public class BeanDefinition {
+
+    private Object bean;
+
+    public BeanDefinition(Object bean) {
+        this.bean = bean;
+    }
+
+    public Object getBean() {
+        return bean;
+    }
+
+}

src/main/java/us/codecraft/tinyioc/BeanFactory.java

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+package us.codecraft.tinyioc;
+
+import java.util.Map;
+import java.util.concurrent.ConcurrentHashMap;
+
+/**
+ * @author yihua.huang@dianping.com
+ */
+public class BeanFactory {
+
+	private Map<String, BeanDefinition> beanDefinitionMap = new ConcurrentHashMap<String, BeanDefinition>();
+
+	public Object getBean(String name) {
+		return beanDefinitionMap.get(name).getBean();
+	}
+
+	public void registerBeanDefinition(String name, BeanDefinition beanDefinition) {
+		beanDefinitionMap.put(name, beanDefinition);
+	}
+
+}

src/test/java/us/codecraft/tinyioc/BeanFactoryTest.java

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+package us.codecraft.tinyioc;
+
+import org.junit.Test;
+
+/**
+ * @author yihua.huang@dianping.com
+ */
+public class BeanFactoryTest {
+
+	@Test
+	public void test() {
+		// 1.初始化beanfactory
+		BeanFactory beanFactory = new BeanFactory();
+
+		// 2.注入bean
+		BeanDefinition beanDefinition = new BeanDefinition(new HelloWorldService());
+		beanFactory.registerBeanDefinition("helloWorldService", beanDefinition);
+
+        // 3.获取bean
+        HelloWorldService helloWorldService = (HelloWorldService) beanFactory.getBean("helloWorldService");
+        helloWorldService.helloWorld();
+
+
+    }
+}

src/test/java/us/codecraft/tinyioc/HelloWorldService.java

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+package us.codecraft.tinyioc;
+
+/**
+ * @author yihua.huang@dianping.com
+ */
+public class HelloWorldService {
+
+    public void helloWorld(){
+        System.out.println("Hello World!");
+    }
+}