Re: How do you programatically get access to the names and contents of all variables in the current

You want a memory dump! But there's no way of doing that in Java. You
might want to get yourself one of those IDEs like JBuilder or Visual Cafe
where you can look at the variables as your class runs.

PC2

"Niklas" <niklas54321@yahoo.se> wrote in message
news:3b2937b4$1@news.devx.com...
>
> How do you programatically get access to the names and contents of all
variables
> in the current variable scope ?
> (attributes and local variables in the current method)
>
> I am usually mostly interested in Strings and the primitive datatype
> int , but any objects toString() representation might also be of interest.
>
> What I would like to do, is to *avoid* manually concatenating here and
there
> in
> the code like the ugly code example below, and being able to let
> java itself figure out what attributes and local variables that currently
> exist in the
> method with the code.
>
> As an example, I would like to be able to replace hardcoded code like
this:
> <pre>
> try {
> // ... some code...
> }
> catch(myException e) {
> String s = "An exception occurred in myClass.myMethod, when the
> attributes and local variables had the following values: ";
> s += " myStringAttribute = " + myStringAttribute ;
> s += ", myIntAttribute = " + myIntAttribute;
> s += ", myLocalString = " + myLocalString;
> s += ", myLocalInt = " + myLocalInt;
> writeToLogfile(s);
> }
> </pre>
>
> with call to some general method which automatically retrieves a string
with
> the names
> and the contents of all attributes and local variables, kind of like this:
> <pre>
> try {
> // ... some code...
> }
> catch(myException e) {
> String s = "An exception occurred in myClass.myMethod, when the attributes
> and local variables had the following values: ";
> s += SomeClass.getStringWithAllVariableNamesAndValues(); // Here the
requested
> method is called
> writeToLogfile(s);
> }
> </pre>
>
> Does it exist such a class and method in the standard java distribution,
> or as a third party class ?
>