I ran some tests and was getting the same error as you. I believe that the
problem lies in the fact that new Integer() expects a String or an int. When
you use your original line:
return new Integer((($2.get("Quantity")!= null) ? $2.get("Quantity") :
"1").toString());
you leave the possibility of returning $2.get("Quantity"), which returns an
Object (as opposed to a String or an int). If I change the return statement to:
return new Integer((($2.get("Quantity")!= null) ?
$2.get("Quantity").toString() : "1").toString());
then the error went away.
For reference, here is example code that compiles without errors:
package quicktest;
|
| import javassist.*;
| import java.lang.reflect.*;
| import java.util.*;
|
| public class Main {
|
| public Main() {
| }
|
| public static void main(String[] args) {
| ClassPool pool = ClassPool.getDefault();
| CtClass newCtClass = pool.makeClass( "TestClass" );
| String body = "public Object translate(java.util.Map m,
java.util.Map v) {" +
| "return new
Integer((($2.get(\"Quantity\").equals(null)) ? $2.get(\"Quantity\").toString()
: \"1\").toString());}";
|
| try
| {
| CtMethod testCtMethod = CtNewMethod.make( body, newCtClass );
| newCtClass.addMethod( testCtMethod );
|
| Class newCreatedClass = newCtClass.toClass();
|
| Method testMethod = newCreatedClass.getDeclaredMethod(
"translate", new Class[] { Map.class, Map.class } );
| Object testObject = newCreatedClass.newInstance();
|
|
| }catch( Exception e )
| {
| e.printStackTrace( System.err );
| }
| }
| }
View the original post :
http://www.jboss.com/index.html?module=bb&op=viewtopic&p=3928930#3928930
Reply to the post :
http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=3928930
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