[cfaussie] Re: Call Java Class (Java Code Attached)

Mon, 20 Mar 2006 21:14:35 -0800

Somehow either your constructor is returning null, which is weird, or you've written 'myObj' funny somehow.

I'm not sure what you have done.

Mark

On 3/21/06, Dale Fraser <[EMAIL PROTECTED]> wrote:

Ok, This

<script>
        myObj = createObject("java", "IceKey").init(javaCast("int", 2));
</script>

<cfdump var="#myObj#" />


GETS


Error Occurred While Processing Request
Variable MYOBJ is undefined.


The error occurred in D:\Tools\Web\test.cfm: line 5

3 : </script>
4 :
5 : <cfdump var="#myObj#" />


So I'm at another dead end.

Regards
Dale Fraser


> -----Original Message-----
> From: cfaussie@googlegroups.com [mailto: cfaussie@googlegroups.com] On
> Behalf Of Mark Mandel
> Sent: Tuesday, 21 March 2006 15:50 PM
> To: cfaussie@googlegroups.com
> Subject: [cfaussie] Re: Call Java Class (Java Code Attached)
>
> You will need to do -
>
> createObject("java", "IceKey").init(javaCast(1, "init"));
>
> Which will insure the parameter passed to the constructor is an actual
int,
> not a Integer object.
>
>
>
>       I tried, just 1 it said didn't like strings, tried int(1) said it
> didn't
>       like doubles, damm I hate this, wasn't CF / Java talking supposed to
> be
>       easy?
>
>
>
>
> I'm sorry, but this really upsets me Dale.  Integeration with Java IS easy
> if you understand both Java and ColdFusion.
>
> Walking up to Java blind and asking it to play nicely with ColdFusion
> without even a basic understanding of Java concepts and then wondering why
> it won't work seems to me to be a bit rediculous, don't you think?
>
> It seems to me that you are trying to run here, without first learning how
> to walk - you obviously have very minimal knowledge of Java as a whole.  I
> would highly suggest doing some training and/or reading about Java and OO
> concepts before continuing down this path.  You will find it far easier in
> the long run.
>
> Regards,
>
> Mark
>
>
> On 3/21/06, Dale Fraser <[EMAIL PROTECTED]> wrote:
>
>
>       > For future reference, a Java class's constructor method has the
> same name
>       > as the class. If you think the constructor (init) might require
> arguments,
>       > you can look through the source code for that method.
>
>       I was aware of this, but didn't see that method, used to it being at
> the top
>       I guess.
>
>       Anyway, still can't get it working.
>
>       Unable to find a constructor for class IceKey that accepts
> parameters of
>       type ( java.lang.Integer ).
>
>
>       The error occurred in D:\Tools\Web\test.cfm: line 2
>
>       1 : <cfobject action="" type="java" class="IceKey"
> name="myObj" />
>       2 : <cfset ret = myObj.init(asc("")) />
>       3 : <cfdump var="#myObj#" />
>
>
>       I tried, just 1 it said didn't like strings, tried int(1) said it
> didn't
>       like doubles, damm I hate this, wasn't CF / Java talking supposed to
> be
>       easy?
>
>       Regards
>       Dale Fraser
>
>
>
>

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