SPCLoader.java

package com.sijobe.spc.core;

import com.sijobe.spc.util.DynamicClassLoader;
import com.sijobe.spc.wrapper.Minecraft;

import java.io.File;

/**
 * Specific implementation designed to initialise SPC to run any custom JARs, 
 * hooks or commands.
 *
 * @author simo_415
 */
public class SPCLoader {

   /**
    * When true the load method has been called and the necessary classes have 
    * been loaded for the mod
    */
   private static boolean IS_LOADED = false;

   /**
    * Loads SPC required JARs and classes
    */
   public static void load() {
      if (!IS_LOADED) {
         IS_LOADED = true;
         loadClasspath();
      }
   }

   /**
    * Loads the JARs that are required on the classpath by searching in the 
    * Minecraft bin directory for any JAR files that haven't already been added
    * to the classpath then adding them.
    */
   private static void loadClasspath() {
      File classpath[] = DynamicClassLoader.getClasspath();
      //System.out.println("Minecraft: " + Minecraft.getMinecraftDirectory().getAbsolutePath());
      File files[] = (new File(Minecraft.getMinecraftDirectory(),"bin")).listFiles();
      if (files == null) {
         return;
      }
      for (File file : files) {
         try {
            if (file.isFile() && file.getName().endsWith(".jar")) {
               boolean found = false;
               // Loops over classpath
               for (File url : classpath) {
                  // Checks if JAR is already on the classpath
                  if (url != null && url.equals(file)) {
                     found = true;
                     break;
                  }
               }
               if (!found) {
                  String fileName = file.toString();
                  if(!fileName.toLowerCase().endsWith("worldedit.jar")) {
                     //System.out.println("Skipping: " + fileName);
                     continue;
                  }
                  System.out.println("Loading: " + fileName);
                  DynamicClassLoader.addFile(file);
               }
            }
         } catch (Exception e) {
            e.printStackTrace();
         }
      }
   }
}