90 lines
2.7 KiB
Java
90 lines
2.7 KiB
Java
package me.libraryaddict.disguise.utilities;
|
|
|
|
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;
|
|
|
|
import org.bukkit.entity.Entity;
|
|
|
|
/**
|
|
* 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<Class<?>> getClassesForPackage(String pkgname)
|
|
{
|
|
ArrayList<Class<?>> 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<Class<?>> 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<JarEntry> 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(System.out);
|
|
}
|
|
}
|
|
}
|