mirror of
https://github.com/tiennm99/zfoo.git
synced 2026-08-06 12:23:02 +00:00
fix[storage]: Fix storage functional method reference bug
This commit is contained in:
@@ -0,0 +1,15 @@
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package com.zfoo.protocol.util;
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/**
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* 类扫描过滤器
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*
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* @author veione
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*/
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@FunctionalInterface
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public interface ClassFilter {
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/**
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* 是否满足条件
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*/
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boolean accept(Class<?> clazz);
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}
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@@ -16,8 +16,10 @@ import com.zfoo.protocol.collection.ArrayUtils;
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import com.zfoo.protocol.exception.RunException;
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import java.io.File;
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import java.io.FileFilter;
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import java.io.IOException;
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import java.io.InputStream;
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import java.lang.annotation.Annotation;
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import java.lang.reflect.ParameterizedType;
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import java.lang.reflect.Type;
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import java.net.JarURLConnection;
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@@ -25,8 +27,10 @@ import java.net.URI;
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import java.net.URISyntaxException;
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import java.net.URL;
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import java.net.URLConnection;
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import java.net.URLDecoder;
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import java.util.Enumeration;
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import java.util.HashSet;
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import java.util.LinkedHashSet;
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import java.util.List;
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import java.util.Map;
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import java.util.Set;
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@@ -48,19 +52,10 @@ public abstract class ClassUtils {
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public final static String JAR_URL_SEPARATOR = "!/";
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private static ClassLoader systemClassLoader;
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static {
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try {
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systemClassLoader = ClassLoader.getSystemClassLoader();
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} catch (SecurityException ignored) {
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// AccessControlException on Google App Engine
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}
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}
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private ClassUtils() {
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}
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/**
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* 默认过滤器(无实现)
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*/
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private final static ClassFilter DEFAULT_FILTER = clazz -> true;
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public static Class<?> forName(String className) {
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try {
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@@ -512,37 +507,154 @@ public abstract class ClassUtils {
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}
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/**
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* @param name
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* @param classLoader
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* @return
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* @since 3.4.3
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* 扫描目录下的所有class文件
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*
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* @param scanPackage 搜索的包根路径
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*/
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public static Class<?> toClassConfident(String name, ClassLoader classLoader) {
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try {
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return loadClass(name, getClassLoaders(classLoader));
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} catch (ClassNotFoundException e) {
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throw new RuntimeException(e);
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}
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public static Set<Class<?>> getClasses(String scanPackage) {
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return getClasses(scanPackage, DEFAULT_FILTER);
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}
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private static Class<?> loadClass(String className, ClassLoader[] classLoaders) throws ClassNotFoundException {
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for (ClassLoader classLoader : classLoaders) {
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if (classLoader != null) {
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/**
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* 返回所有带制定注解的class列表
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*
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* @param scanPackage 搜索的包根路径
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*/
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public static <A extends Annotation> Set<Class<?>> listClassesWithAnnotation(String scanPackage, Class<A> annotation) {
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return getClasses(scanPackage, (clazz) -> clazz.getAnnotation(annotation) != null);
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}
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/**
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* 扫描目录下的所有class文件
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*
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* @param pack 包路径
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* @param filter 自定义类过滤器
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*/
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public static Set<Class<?>> getClasses(String pack, ClassFilter filter) {
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Set<Class<?>> result = new LinkedHashSet<>();
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// 是否循环迭代
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boolean recursive = true;
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// 获取包的名字 并进行替换
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String packageName = pack;
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String packageDirName = packageName.replace('.', '/');
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// 定义一个枚举的集合 并进行循环来处理这个目录下的things
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Enumeration<URL> dirs;
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try {
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dirs = Thread.currentThread().getContextClassLoader().getResources(packageDirName);
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// 循环迭代下去
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while (dirs.hasMoreElements()) {
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// 获取下一个元素
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URL url = dirs.nextElement();
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// 得到协议的名称
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String protocol = url.getProtocol();
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// 如果是以文件的形式保存在服务器上
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if ("file".equals(protocol)) {
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// 获取包的物理路径
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String filePath = URLDecoder.decode(url.getFile(), "UTF-8");
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// 以文件的方式扫描整个包下的文件 并添加到集合中
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findAndAddClassesInPackageByFile(packageName, filePath, recursive, result, filter);
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} else if ("jar".equals(protocol)) {
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// 如果是jar包文件
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Set<Class<?>> jarClasses = findClassFromJar(url, packageName, packageDirName, recursive, filter);
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result.addAll(jarClasses);
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}
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}
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} catch (IOException e) {
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throw new RunException(e);
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}
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return result;
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}
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private static Set<Class<?>> findClassFromJar(URL url, String packageName, String packageDirName,
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boolean recursive, ClassFilter filter) {
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Set<Class<?>> result = new LinkedHashSet<>();
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try {
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// 获取jar
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JarFile jar = ((JarURLConnection) url.openConnection()).getJarFile();
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// 从此jar包 得到一个枚举类
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Enumeration<JarEntry> entries = jar.entries();
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// 同样的进行循环迭代
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while (entries.hasMoreElements()) {
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// 获取jar里的一个实体 可以是目录 和一些jar包里的其他文件 如META-INF等文件
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JarEntry entry = entries.nextElement();
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String name = entry.getName();
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// 如果是以/开头的
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if (name.charAt(0) == '/') {
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// 获取后面的字符串
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name = name.substring(1);
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}
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// 如果前半部分和定义的包名相同
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if (name.startsWith(packageDirName)) {
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int idx = name.lastIndexOf('/');
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// 如果以"/"结尾 是一个包
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if (idx != -1) {
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// 获取包名 把"/"替换成"."
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packageName = name.substring(0, idx)
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.replace('/', '.');
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}
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// 如果可以迭代下去 并且是一个包
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if ((idx != -1) || recursive) {
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// 如果是一个.class文件 而且不是目录
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if (name.endsWith(".class")
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&& !entry.isDirectory()) {
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// 去掉后面的".class" 获取真正的类名
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String className = name.substring(packageName.length() + 1,
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name.length() - 6);
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try {
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// 添加到classes
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Class<?> c = Class.forName(packageName + '.' + className);
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if (filter.accept(c)) {
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result.add(c);
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}
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} catch (ClassNotFoundException e) {
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throw new RunException(e);
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}
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}
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}
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}
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}
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} catch (IOException e) {
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throw new RunException(e);
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}
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return result;
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}
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private static void findAndAddClassesInPackageByFile(String packageName,
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String packagePath, final boolean recursive, Set<Class<?>> classes,
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ClassFilter filter) {
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// 获取此包的目录 建立一个File
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File dir = new File(packagePath);
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// 如果不存在或者 也不是目录就直接返回
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if (!dir.exists() || !dir.isDirectory()) {
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return;
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}
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// 如果存在 就获取包下的所有文件 包括目录
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File[] dirs = dir.listFiles(new FileFilter() {
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// 自定义过滤规则 如果可以循环(包含子目录) 或则是以.class结尾的文件(编译好的java类文件)
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public boolean accept(File file) {
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return (recursive && file.isDirectory()) || (file.getName().endsWith(".class"));
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}
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});
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// 循环所有文件
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for (File file : dirs) {
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// 如果是目录 则继续扫描
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if (file.isDirectory()) {
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findAndAddClassesInPackageByFile(packageName + "." + file.getName(), file.getAbsolutePath(), recursive, classes, filter);
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} else {
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// 如果是java类文件 去掉后面的.class 只留下类名
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String className = file.getName().substring(0,
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file.getName().length() - 6);
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try {
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return Class.forName(className, true, classLoader);
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// 添加到集合中去
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Class<?> clazz = Thread.currentThread().getContextClassLoader().loadClass(packageName + '.' + className);
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if (filter.accept(clazz)) {
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classes.add(clazz);
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}
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} catch (ClassNotFoundException e) {
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// ignore
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throw new RunException(e);
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}
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}
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}
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throw new ClassNotFoundException("Cannot find class: " + className);
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}
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private static ClassLoader[] getClassLoaders(ClassLoader classLoader) {
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return new ClassLoader[]{
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classLoader,
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Thread.currentThread().getContextClassLoader(),
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ClassUtils.class.getClassLoader(),
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systemClassLoader};
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}
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}
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@@ -10,7 +10,7 @@ import java.util.Locale;
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*
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* @author veione
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*/
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public class FieldUtils {
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public abstract class FieldUtils {
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public static String fieldToGetMethod(Class<?> clazz, Field field) {
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var fieldName = field.getName();
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