Java 反射,包括给定包之外的类(Dropwizard+;Swagger)
我使用反射来获得所有具有以下代码的Api注释的类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
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!