Hi!
> In ConnectionManagerDataSource, method isWrapperFor currently returns
> false. Perhaps it should throw UnsupportedOperationException instead?
And what about a solution using reflection?
Maybe the most correct solution could be:
public Object unwrap(Class iface) throws SQLException
{
try
{
if (iface.isAssignableFrom(dataSource.getClass()))
{
return dataSource;
}
Method method = dataSource.getClass().getMethod("unwrap",
new Class[]{Class.class});
return method.invoke(dataSource, new Object[] { iface });
}
catch (NoSuchMethodException e)
{
throw new UnsupportedOperationException();
}
catch (IllegalAccessException e)
{
throw new SQLException(e);
}
catch (InvocationTargetException e)
{
throw new SQLException(e);
}
}
public boolean isWrapperFor(Class iface) throws SQLException
{
try
{
if (iface.isAssignableFrom(dataSource.getClass()))
{
return true;
}
Method method =
dataSource.getClass().getMethod("isWrapperFor", new Class[]{Class.class});
return Boolean.TRUE.equals(method.invoke(dataSource, new
Object[] { iface }));
}
catch (NoSuchMethodException e)
{
throw new UnsupportedOperationException();
}
catch (IllegalAccessException e)
{
throw new SQLException(e);
}
catch (InvocationTargetException e)
{
throw new SQLException(e);
}
}
What do you think?
If you don't like it, simply change the "return false" to the Exception
you proposed.
Ciao,
Mario
