On Friday 03 May 2002 06:24, Dain Sundstrom wrote:
> In org.jboss.ejb.plugins.cmp.jdbc.metadata.JDBCQueryMetaDataFactory I
> have a method (convertToJavaClass) that does the name to array class
> conversion. Here is the core:
>
> int arraySize = 0;
> while(name.endsWith("[]")) {
> name = name.substring(0, name.length()-2);
> arraySize++;
> }
>
> try {
> // get the base class
> Class c = entity.getClassLoader().loadClass(name);
>
> // if we have an array get the array class
> if(arraySize > 0) {
> int[] dimensions = new int[arraySize];
> for(int i=0; i<arraySize; i++) {
> dimensions[i]=1;
> }
> c = Array.newInstance(c, dimensions).getClass();
> }
>
> return c;
> } catch(ClassNotFoundException e) {
> throw new DeploymentException("Parameter class not found: " + name);
> }
>
I think this won't work in SpyObjectMessage. It uses
java.io.ObjectStreamClass.getName() to obtain the class name. When I came
across this problem in SpyObjectMessage, I remember that the debugging output
I inserted printed out the name of the class in the form as documented in the
Class.getName() method:
new Object[1][1][1].getClass().getName()
would be something like that: "[[[Ljava.lang.Object;"
While Dain's method might serve it's purpose in his code, I think it won't
work in SpyObjectMessage directly. It must be changed to acomodate this
syntax.
Give me some time and I'll try to write a surogate Clazz.forName(className,
classLoader) method that would take into account all possible types
(including primitives and their arrays) as suggested by Dr. Christoph Jung.
Regards, Peter
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