; Socket java assembly example by pancake / cathack

.class public HelloWorld
.super java/lang/Object

.method <init>()V     ; metode constructor de la classe
   .limit stack 5
    aload_0
    invokespecial java/lang/Object/<init>()V
    getstatic java/lang/System/out Ljava/io/PrintStream;
    ldc "Object created"
    invokevirtual java/io/PrintStream/println(Ljava/lang/String;)V
return
    aload_0
    invokevirtual HelloWorld/FinishRun()V
    return
.end method


.method public static main([Ljava/lang/String;)V
   .limit stack 5          ; En realitat l'unic necessari. 

   new HelloWorld
   dup
   invokespecial HelloWorld/<init>()V
   pop

   aload_0   ; agafem l'objecte i el fotem a la pila
   arraylength
   iconst_1
   if_icmpeq args_ok
    getstatic java/lang/System/out Ljava/io/PrintStream;
    ldc "Invalid args"
    invokevirtual java/io/PrintStream/println(Ljava/lang/String;)V
    return    ; finalitzem el programa.
   args_ok:

   getstatic java/lang/System/out Ljava/io/PrintStream;
    aload_0
    iconst_0
    aaload
   invokevirtual java/io/PrintStream/println(Ljava/lang/String;)V

   .catch java/lang/Exception from _socket1 to _socket2 using _socket3
   _socket1:
     new java/net/Socket
     dup
       aload_0
       iconst_0
       aaload
       ;ldc "127.0.0.1"
     bipush 80
     invokespecial java/net/Socket/<init>(Ljava/lang/String;I)V
     astore_0
   _socket2:
     goto cont
   _socket3:
        ; Aqui es captura l'excepcio
     getstatic java/lang/System/out Ljava/io/PrintStream;
     ldc "No connection to host"
     invokevirtual java/io/PrintStream/println(Ljava/lang/String;)V
    astore_0
    cont:

   return

.end method

.method public FinishRun()V
   .limit stack 5
    getstatic java/lang/System/out Ljava/io/PrintStream;
    ldc "FinishRun called"
    invokevirtual java/io/PrintStream/println(Ljava/lang/String;)V
    bipush 0
    invokevirtual java/lang/System/exit(I)V
return
.end method