package railo.runtime.com;
import java.util.Iterator;
import railo.runtime.exp.CasterException;
import railo.runtime.exp.PageRuntimeException;
import railo.runtime.op.Caster;
import railo.runtime.type.Collection;
import com.jacob.com.EnumVariant;
/**
* MUST this is a value iterator instead of a key iterator
*
*/
public final class COMKeyWrapperIterator implements Iterator<Collection.Key> {
private EnumVariant enumVariant;
private COMObject wrapper;
/**
* @param wrapper
*/
public COMKeyWrapperIterator(COMObject wrapper) {
this.enumVariant=new EnumVariant(wrapper.getDispatch());
this.wrapper=wrapper;
}
@Override
public void remove() {
enumVariant.safeRelease();
}
@Override
public boolean hasNext() {
return enumVariant.hasMoreElements();
}
@Override
public Collection.Key next() {
try {
return Caster.toKey(COMUtil.toObject(wrapper,enumVariant.Next(),"",null));
} catch (CasterException e) {
throw new PageRuntimeException(e);
}
}
}