Re: [Jython-dev] [PATCH] Cross JDK support for java.lang.CharSequ ence

[Daniel R. <dl...@fi...>]

Jeff, I don't know of any reason why this wouldn't work in a
"standard" Java application, but are you aware of any issues with
using Class.forName() from an applet?  It's been ages since I touched
one of those things.

- Dan


Jeff Emanuel <JEm...@lg...> writes:

> Cool!  You beat me to it.  I was out today and couldn't get
> to it until after you had finished.
> 
> I didn't do anything rash like try to test this, but here's a first
> cut (against today's CVS):
> 
> Index: org/python/core/PyString.java
> ===================================================================
> RCS file: /cvsroot/jython/jython/org/python/core/PyString.java,v
> retrieving revision 2.60
> diff -u -r2.60 PyString.java
> --- org/python/core/PyString.java	6 Nov 2002 08:15:21 -0000
> 2.60
> +++ org/python/core/PyString.java	25 Mar 2003 17:06:02 -0000
> @@ -236,6 +236,15 @@
>   */
>  public class PyString extends PySequence implements ClassDictInit
>  {
> +    private static Class charSequence = null;
> +    static {
> +        try {
> +            charSequence = Class.forName("java.lang.CharSequence");
> +        }
> +        catch (Throwable jdkLessThanOneDotFour) {
> +        }
> +    }
> +
>      private String string;
>      private transient int cached_hashcode=0;
>      private transient boolean interned=false;
> @@ -661,7 +670,8 @@
>  
>      public Object __tojava__(Class c) {
>          //This is a hack to make almost all Java calls happy
> -        if (c == String.class || c == Object.class || c ==
> Serializable.class)
> +        if (c == String.class || c == Object.class || c ==
> Serializable.class
> +            || (charSequence != null &&
> charSequence.isAssignableFrom(c)))
>              return string;
>          if (c == Character.TYPE || c == Character.class)
>              if (string.length() == 1)