source: branches/1.1.x/examples/google-app-engine/src/abcl_ae/AbclInit.java

package abcl_ae;

import java.io.FileInputStream;
import java.io.IOException;

import org.armedbear.lisp.Lisp;
import org.armedbear.lisp.Load;
import org.armedbear.lisp.Interpreter;
import org.armedbear.lisp.Symbol;
import org.armedbear.lisp.Pathname;

public final class AbclInit {
  static private Object lock = new Object();
  static private boolean initialized = false;

  // package access level
  static void init() {
    if (initialized)
      return;
      
    synchronized (lock) {
      if (initialized)
        return;
        
      Interpreter.initializeLisp();
      Load.load("fasls/first-servlet.abcl");
      
      initialized = true;
    }
  }

}