Java 反射,包括给定包之外的类(Dropwizard+;Swagger)

Java 反射,包括给定包之外的类(Dropwizard+;Swagger),java,reflection,swagger,dropwizard,reflections,Java,Reflection,Swagger,Dropwizard,Reflections,我使用反射来获得所有具有以下代码的Api注释的类 Reflections reflections = new Reflections(ClasspathHelper.forPackage("my.package"),new TypeAnnotationsScanner()); Set<Class<?>> annotated = reflections.getTypesAnnotatedWith(Api.class); Reflections Reflections=ne

我使用反射来获得所有具有以下代码的Api注释的类

Reflections reflections = new Reflections(ClasspathHelper.forPackage("my.package"),new TypeAnnotationsScanner());
Set<Class<?>> annotated = reflections.getTypesAnnotatedWith(Api.class);
Reflections Reflections=new Reflections(ClasspathHelper.forPackage(“my.package”)、new-typeannotationsCanner();

Set我终于用java类加载器解决了这个问题。一些意大利面代码!对不起

package com.glass.core.doc;

import java.io.File;
import java.io.IOException;
import java.net.URL;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Enumeration;
import java.util.List;

import com.wordnik.swagger.annotations.Api;

public class AnnotatedClassFinder {

    public Collection<Class> getAnnotatedClasess(Class annotation,
            String packageName) throws ClassNotFoundException, IOException {

        Collection<Class> allClasses = getClasses(packageName);
        List<Class> annotatedClass = new ArrayList<Class>();

        for (Class aClass : allClasses) {
            if (aClass.isAnnotationPresent(annotation)) {
                annotatedClass.add(aClass);
                System.out.println("!!!!!!!!!!!!!!!!!!!!!!!----------------!"
                        + aClass.getName());
            }
        }

        return annotatedClass;
    }

    /**
     * Scans all classes accessible from the context class loader which belong
     * to the given package and subpackages.
     * 
     * @param packageName
     *            The base package
     * @return The classes
     * @throws ClassNotFoundException
     * @throws IOException
     */
    private Collection<Class> getClasses(String packageName)
            throws ClassNotFoundException, IOException {

        ClassLoader classLoader = Thread.currentThread().getContextClassLoader();
        String path = packageName.replace('.', '/');
        System.out.println("PATH:" + path);
        Enumeration<URL> resources = classLoader.getResources(path);
        List<File> dirs = new ArrayList<File>();
        while (resources.hasMoreElements()) {
            URL resource = resources.nextElement();
            dirs.add(new File(resource.getFile()));
        }
        List<Class> classes = new ArrayList<Class>();
        for (File directory : dirs) {
            classes.addAll(findClasses(directory, packageName));
        }

        return classes;
    }

    /**
     * Recursive method used to find all classes in a given directory and
     * subdirs.
     * 
     * @param directory
     *            The base directory
     * @param packageName
     *            The package name for classes found inside the base directory
     * @return The classes
     * @throws ClassNotFoundException
     */
    private List<Class> findClasses(File directory, String packageName)
            throws ClassNotFoundException {
        List<Class> classes = new ArrayList<Class>();
        if (!directory.exists()) {
            return classes;
        }
        File[] files = directory.listFiles();
        for (File file : files) {
            if (file.isDirectory()) {
                classes.addAll(findClasses(file,
                        packageName + "." + file.getName()));
            } else if (file.getName().endsWith(".class")) {
                classes.add(Class.forName(packageName
                        + '.'
                        + file.getName().substring(0,
                                file.getName().length() - 6)));
            }
        }
        return classes;
    }
}
package com.glass.core.doc;
导入java.io.File;
导入java.io.IOException;
导入java.net.URL;
导入java.util.ArrayList;
导入java.util.Collection;
导入java.util.Enumeration;
导入java.util.List;
导入com.wordnik.swagger.annotations.Api;
公共类AnnotatedClassFinder{
公共集合GetAnnotatedClaess(类注释,
字符串packageName)抛出ClassNotFoundException、IOException{
集合allClasses=getClasses(packageName);
List annotatedClass=new ArrayList();
对于(类aClass:allClasses){
if(aClass.isAnnotationPresent(注释)){
annotatedClass.add(aClass);
System.out.println(“
+aClass.getName());
}
}
返回注释类;
}
/**
*扫描可从上下文类加载器访问的所有属于
*到给定的包和子包。
* 
*@param packageName
*基本包
*@还课
*@ClassNotFoundException
*@抛出异常
*/
私有集合GetClass(字符串packageName)
抛出ClassNotFoundException,IOException{
ClassLoader ClassLoader=Thread.currentThread().getContextClassLoader();
字符串路径=packageName.replace('.','/');
System.out.println(“路径:+PATH”);
枚举资源=classLoader.getResources(路径);
List dirs=new ArrayList();
while(resources.hasMoreElements()){
URL resource=resources.nextElement();
添加(新文件(resource.getFile());
}
列表类=新的ArrayList();
for(文件目录:dirs){
addAll(findClasses(目录,packageName));
}
返回类;
}
/**
*递归方法,用于查找给定目录中的所有类和
*细分市场。
* 
*@param目录
*基本目录
*@param packageName
*在基目录中找到的类的包名称
*@还课
*@ClassNotFoundException
*/
私有列表FindClass(文件目录、字符串packageName)
抛出ClassNotFoundException{
列表类=新的ArrayList();
如果(!directory.exists()){
返回类;
}
File[]files=目录.listFiles();
用于(文件:文件){
if(file.isDirectory()){
classes.addAll(findClasses)(文件,
packageName+“+file.getName());
}else if(file.getName().endsWith(“.class”)){
Class.add(Class.forName(packageName
+ '.'
+file.getName().substring(0,
file.getName().length()-6));
}
}
返回类;
}
}

我看到了完全相同的行为。它快把我逼疯了!