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SpringBoot学习
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Lines changed: 70 additions & 24 deletions

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‎springboot/src/main/java/com/tuacy/study/springboot/StudySpringBootApplication.java‎

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@@ -3,6 +3,7 @@
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import com.tuacy.study.springboot.configuration.UserInfo;
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import com.tuacy.study.springboot.hook.classPathBeanDefinitionScanner.BeanIocScan;
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import com.tuacy.study.springboot.hook.importBeanDefinitionRegistrar.RunStartScan;
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import com.tuacy.study.springboot.hook.importBeanDefinitionRegistrar.customercomponent.CustomerComponentScan;
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import org.springframework.boot.SpringApplication;
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import org.springframework.boot.autoconfigure.SpringBootApplication;
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import org.springframework.boot.context.properties.EnableConfigurationProperties;
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@RunStartScan(basePackages = {"com.tuacy.study.springboot.hook.importBeanDefinitionRegistrar.runstart"})
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@BeanIocScan(basePackages = {"com.tuacy.study.springboot.hook.classPathBeanDefinitionScanner.autoioc"})
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@EnableConfigurationProperties(value = {UserInfo.class})
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@CustomerComponentScan(basePackages = "com.tuacy.study.springboot.hook.importBeanDefinitionRegistrar.customercomponent")
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public class StudySpringBootApplication {
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public static void main(String[] args) {

‎springboot/src/main/java/com/tuacy/study/springboot/aware/MessageSourceAware/BeanMessageSourceAware.java‎

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@@ -22,17 +22,17 @@ public void setMessageSource(MessageSource messageSource) {
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public void printMessage() {
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String hello = messageSource.getMessage("hello", null, "", null);
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String name = messageSource.getMessage("hello",
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new Object[]{28, "http://www.yiibai.com"}, Locale.US);
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System.out.println("Customer name (English) : " + name);
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String namechinese = messageSource.getMessage("customer.name",
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new Object[]{28, "http://www.yiibai.com"},
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Locale.SIMPLIFIED_CHINESE);
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System.out.println("Customer name (Chinese) : " + namechinese);
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// String hello = messageSource.getMessage("hello", null, "", null);
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//
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// String name = messageSource.getMessage("hello",
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// new Object[]{28, "http://www.yiibai.com"}, Locale.US);
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//
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// System.out.println("Customer name (English) : " + name);
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//
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// String namechinese = messageSource.getMessage("customer.name",
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// new Object[]{28, "http://www.yiibai.com"},
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// Locale.SIMPLIFIED_CHINESE);
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//
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// System.out.println("Customer name (Chinese) : " + namechinese);
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}
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}

‎springboot/src/main/java/com/tuacy/study/springboot/hook/importBeanDefinitionRegistrar/RunStartManager.java‎

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@@ -77,10 +77,12 @@ public List<Class<IRunStart>> getClassesList(String[] packageNames) throws Excep
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if (resources.length == 0) {
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return Collections.emptyList();
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}
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String packageBasePath = packageName.replace(".", "/");
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for (Resource resource : resources) {
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try {
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classes.add((Thread.currentThread().getContextClassLoader().loadClass((packageName + "." + resource.getFilename()).replace(".class", ""))));
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String resourceUriPath = resource.getURL().getPath();
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String resourcePackage = resourceUriPath.substring(resourceUriPath.indexOf(packageBasePath)).replace("/", ".").replace(".class", "");
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classes.add((Thread.currentThread().getContextClassLoader().loadClass(resourcePackage)));
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} catch (Exception ignored) {
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}
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}

‎springboot/src/main/java/com/tuacy/study/springboot/hook/importBeanDefinitionRegistrar/customercomponent/CustomerComponent.java‎

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@@ -1,20 +1,17 @@
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package com.tuacy.study.springboot.hook.importBeanDefinitionRegistrar.customercomponent;
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import org.springframework.context.annotation.Import;
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import java.lang.annotation.*;
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/**
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* @name: RunStart
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* @author: tuacy.
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* @date: 2019/8/16.
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* @version: 1.0
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* @Description: 添加这个注解的类在程序刚运行的时候，自动调用指定的函数
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* @Description: 和@Component的功能一样
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*/
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@Retention(RetentionPolicy.RUNTIME)
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@Target(ElementType.TYPE)
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@Documented
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@Import(CustomerComponentScannerRegister.class)
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public @interface CustomerComponent {
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}

‎springboot/src/main/java/com/tuacy/study/springboot/hook/importBeanDefinitionRegistrar/customercomponent/CustomerComponentBean.java‎

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package com.tuacy.study.springboot.hook.importBeanDefinitionRegistrar.customercomponent;
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/**
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* @name: CustomerComponentBean
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* @author: tuacy.
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* @date: 2019/9/19.
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* @version: 1.0
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* @Description:
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*/
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@CustomerComponent
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public class CustomerComponentBean {
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public void testFunction() {
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System.out.println("aaaaaaaaaaaa");
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}
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}

springboot/src/main/java/com/tuacy/study/springboot/hook/importBeanDefinitionRegistrar/customercomponent/MyClassPathBeanDefinitionScanner.java renamed to springboot/src/main/java/com/tuacy/study/springboot/hook/importBeanDefinitionRegistrar/customercomponent/CustomerComponentClassPathBeanDefinitionScanner.java

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@@ -8,22 +8,26 @@
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import java.util.Set;
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/**
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* @name: MyClassPathBeanDefinitionScanner
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* @name: CustomerComponentClassPathBeanDefinitionScanner
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* @author: tuacy.
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* @date: 2019/9/16.
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* @version: 1.0
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* @Description:
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*/
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public class MyClassPathBeanDefinitionScanner extends ClassPathBeanDefinitionScanner {
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public class CustomerComponentClassPathBeanDefinitionScanner extends ClassPathBeanDefinitionScanner {
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public MyClassPathBeanDefinitionScanner(BeanDefinitionRegistry registry, boolean useDefaultFilters) {
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public CustomerComponentClassPathBeanDefinitionScanner(BeanDefinitionRegistry registry, boolean useDefaultFilters) {
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super(registry, useDefaultFilters);
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}
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protected void registerFilters() {
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// 只搜索添加了CustomerComponent注解的类
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addIncludeFilter(new AnnotationTypeFilter(CustomerComponent.class));
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}
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/**
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* 指定收缩路径
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*/
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@Override
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protected Set<BeanDefinitionHolder> doScan(String... basePackages) {
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return super.doScan(basePackages);

‎springboot/src/main/java/com/tuacy/study/springboot/hook/importBeanDefinitionRegistrar/customercomponent/CustomerComponentScan.java‎

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package com.tuacy.study.springboot.hook.importBeanDefinitionRegistrar.customercomponent;
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import org.springframework.context.annotation.Import;
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import java.lang.annotation.*;
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/**
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* @name: RunStart
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* @author: tuacy.
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* @date: 2019/8/16.
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* @version: 1.0
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* @Description: 添加这个注解的类在程序刚运行的时候，自动调用指定的函数
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*/
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@Retention(RetentionPolicy.RUNTIME)
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@Target(ElementType.TYPE)
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@Documented
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@Import(CustomerComponentScannerRegister.class)
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public @interface CustomerComponentScan {
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String[] basePackages() default "";
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}

‎springboot/src/main/java/com/tuacy/study/springboot/hook/importBeanDefinitionRegistrar/customercomponent/CustomerComponentScannerRegister.java‎

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*/
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public class CustomerComponentScannerRegister implements ImportBeanDefinitionRegistrar, ResourceLoaderAware {
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private final static String PACKAGE_NAME_KEY = "basePackages";
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private ResourceLoader resourceLoader;
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@Override
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public void registerBeanDefinitions(AnnotationMetadata annotationMetadata, BeanDefinitionRegistry beanDefinitionRegistry) {
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AnnotationAttributes annoAttrs = AnnotationAttributes.fromMap(annotationMetadata.getAnnotationAttributes(CustomerComponent.class.getName()));
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AnnotationAttributes annoAttrs = AnnotationAttributes.fromMap(annotationMetadata.getAnnotationAttributes(CustomerComponentScan.class.getName()));
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if (annoAttrs == null || annoAttrs.isEmpty()) {
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return;
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}
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MyClassPathBeanDefinitionScanner scanner = new MyClassPathBeanDefinitionScanner(beanDefinitionRegistry, false);
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// 搜索路径
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String[] basePackages = (String[]) annoAttrs.get(PACKAGE_NAME_KEY);
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CustomerComponentClassPathBeanDefinitionScanner scanner = new CustomerComponentClassPathBeanDefinitionScanner(beanDefinitionRegistry, false);
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scanner.setResourceLoader(resourceLoader);
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scanner.registerFilters();
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scanner.doScan("com.faderw.school.domain");
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scanner.doScan(basePackages);
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}
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@Override

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