package me.libraryaddict.disguise.utilities; import org.bukkit.entity.Entity; import java.net.URL; import java.net.URLDecoder; import java.security.CodeSource; import java.util.ArrayList; import java.util.Enumeration; import java.util.jar.JarEntry; import java.util.jar.JarFile; /** * User: Austin Date: 4/22/13 Time: 11:47 PM (c) lazertester */ // Code for this taken and slightly modified from // https://github.com/ddopson/java-class-enumerator public class ClassGetter { public static ArrayList> getClassesForPackage(String pkgname) { ArrayList> classes = new ArrayList>(); // String relPath = pkgname.replace('.', '/'); // Get a File object for the package CodeSource src = Entity.class.getProtectionDomain().getCodeSource(); if (src != null) { URL resource = src.getLocation(); resource.getPath(); processJarfile(resource, pkgname, classes); } return classes; } private static Class loadClass(String className) { try { return Class.forName(className); } catch (ClassNotFoundException e) { throw new RuntimeException("Unexpected ClassNotFoundException loading class '" + className + "'"); } catch (NoClassDefFoundError e) { return null; } } private static void processJarfile(URL resource, String pkgname, ArrayList> classes) { try { String relPath = pkgname.replace('.', '/'); String resPath = URLDecoder.decode(resource.getPath(), "UTF-8"); String jarPath = resPath.replaceFirst("[.]jar[!].*", ".jar").replaceFirst("file:", ""); JarFile jarFile = new JarFile(jarPath); Enumeration entries = jarFile.entries(); while (entries.hasMoreElements()) { JarEntry entry = entries.nextElement(); String entryName = entry.getName(); String className = null; if (entryName.endsWith(".class") && entryName.startsWith(relPath) && entryName.length() > (relPath.length() + "/".length())) { className = entryName.replace('/', '.').replace('\\', '.').replace(".class", ""); } if (className != null) { Class c = loadClass(className); if (c != null) classes.add(c); } } } catch (Exception ex) { ex.printStackTrace(); } } }