Sonar-Java 如何获取变量的注释 class

Sonar-Java how to get annotations of a variable class

@Component
public MyClass{

private MyOtherClass myOtherClass;

@Autowired
public MyClass(MyOtherClass myOtherClass){
 this.myOtherClass = myOtherClass;
}

}


@Component
@Scope("prototype")// OR
@Scope(value = ConfigurableBeanFactory.SCOPE_PROTOTYPE,
        proxyMode = ScopedProxyMode.TARGET_CLASS)
public MyOtherClass{
}

我正在编写一个自定义插件来检测 classes,它声明类型为 MyOtherClass 的变量并发出警告,因为 MyOtherClass 是原型类型。

基本上我需要从 MyClass 获取字段并需要获取字段上的注释 (MyOtherClass) class 并且需要查找注释值是否包含 prototype

这是你的答案吗?

public class MyClass {

    private MyOtherClass myOtherClass;

    public MyClass(MyOtherClass myOtherClass){
        this.myOtherClass = myOtherClass;
    }


    public static void main(String[] args) {
        Field[] declaredFields = MyClass.class.getDeclaredFields();
        for(Field field:declaredFields){
            Scope scope = field.getType().getAnnotation(Scope.class);
            if(scope!=null){
                String value = scope.value();
                System.out.println(value);
            }
        }
    }
}





@Scope("prototype")
public class MyOtherClass {

}
@Target(ElementType.TYPE)
@Retention(RetentionPolicy.RUNTIME)
public @interface Scope {
    String value();
}
 @Override
public void visitNode(Tree tree) { 
    org.sonar.plugins.java.api.tree.VariableTree variableTree = (VariableTree) tree;

    if (variableTree.type().symbolType().symbol().metadata().isAnnotatedWith(SCOPE_ANNOTATION_FQN)) {
        System.out.println("prototype annotation found " + variableTree.symbol().metadata().toString());
        reportIssue(variableTree.simpleName(), "This spring bean is of type PROTOTYPE");
    }
}

找到了一种读取变量注释的方法 class。