Wrapper for multiple instanceof

From:
 getsanjay.sharma@gmail.com
Newsgroups:
comp.lang.java.programmer
Date:
Tue, 21 Aug 2007 18:01:12 -0700
Message-ID:
<1187744472.260764.106560@x40g2000prg.googlegroups.com>
Hello to all Java programmers out there.

Recently I have been trying to do a multiple instanceof and thought it
would be better to write a function than do those ugly || with
repeated instanceofs'.

public class MyInstance
{
    public static boolean check(Object obj, String...classes) throws
Exception
    {
        boolean result = false;
        for(String str : classes)
        {
            Class c = Class.forName(str);
            result = result | (obj instanceof c);
            if(result) break;
        }
        return(result);
    }

    public static void main(String args[]) throws Exception
    {
        String str = "hello";
        String classes[] = {"String", "StringBuffer"};
        System.out.println(MyInstance.check(str, classes));

    }
}

I do very well realize that the instanceof operator requires a TYPE on
its RHS, but I can't seem to find out how to convert the class name
string to a type?

Is such kind of thing even possible here or doing multiple || with
instanceofs' is the only way to go?

Thanks and regards,
STS

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