package railo.runtime.type.it;
import java.util.Enumeration;
import java.util.Iterator;
import java.util.Map.Entry;
import railo.runtime.type.Collection;
import railo.runtime.type.Collection.Key;
public class EntryIterator implements Iterator<Entry<Key, Object>>, Enumeration<Entry<Key, Object>> {
private Collection coll;
protected Key[] keys;
protected int pos;
public EntryIterator(Collection coll, Collection.Key[] keys){
this.coll=coll;
this.keys=keys;
}
@Override
public boolean hasNext() {
return (keys.length)>pos;
}
@Override
public Entry<Key, Object> next() {
Key key = keys[pos++];
if(key==null) return null;
return new EntryImpl(coll,key);
}
@Override
public boolean hasMoreElements() {
return hasNext();
}
@Override
public Entry<Key, Object> nextElement() {
return next();
}
@Override
public void remove() {
throw new UnsupportedOperationException("this operation is not suppored");
}
public class EntryImpl implements Entry<Key, Object> {
private Collection coll;
protected Key key;
public EntryImpl(Collection coll, Key key) {
this.coll=coll;
this.key=key;
}
@Override
public Key getKey() {
return key;
}
@Override
public Object getValue() {
return coll.get(key,null);
}
@Override
public Object setValue(Object value) {
return coll.setEL(key, value);
}
}
}