Create Class objects based on type signature
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by Andreas_D
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Published on 2010-03-17T11:00:57Z
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2010/03/17
11:11 UTC
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java
Class.forName(boolean.class.getName());
This doesn't work in Java - the virtual machine slaps you with a ClassNotFoundException. I was in need for something like that because I wanted to reflect methods based on Strings that included the method signatures, like
public void doSomething(boolean yesWeCan, java.lang.String[] presidents);
At the end I came up with a custom 'ClassFactory' which translates the type Strings to class objects. This factory includes a lot of handlers for primitive and array type values.
The handler for array type objects is something like:
if (isArrayOfObjects) {
return Class.forName("L["+typeName.replace("[]", "")+";");
}
My question is - have I missed something in the Java 1.5+ API that might do the trick?
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