| gvSIG desktop 1

package org.gvsig.data.vectorial;

import java.util.ArrayList;

import java.util.Collection;

import java.util.Iterator;

import java.util.List;

import java.util.ListIterator;

import org.gvsig.data.IObservable;

import org.gvsig.data.IObserver;

public class MemoryFeatureCollection implements IFeatureCollection, IObserver {

        protected ArrayList features = new ArrayList();//<IFeatureID>

        protected Iterator iter = null;

        protected boolean allowmodify = true;

        public MemoryFeatureCollection() {

        }

        public void rewind() {

                iter = null;

                allowmodify = true;

        }

        public IFeature next() {

                if( iter == null ) {

                        iter = features.iterator();

                        allowmodify = false;

                }

                if( iter.hasNext() ) {

                        return (IFeature) iter.next();

                }

                return null;

        }

        public int size() {

                return features.size();

        }

        public boolean add(IFeature feature) {

                if( !allowmodify ) {

                        throw new RuntimeException();

                }

                return features.add(feature.getID());

        }

        public boolean add(IFeatureID id) {

                if( !allowmodify ) {

                        throw new RuntimeException();

                }

                return features.add(id);

        }

        public boolean contains(IFeatureID id) {

                return features.contains(id);

        }

        public boolean contains(IFeature feature) {

                return features.contains(feature.getID());

        }

        public boolean remove(IFeatureID id) {

                if( !allowmodify ) {

                        throw new RuntimeException();

                }

                return features.remove(id);

        }

        public boolean remove(IFeature feature) {

                if( !allowmodify ) {

                        throw new RuntimeException();

                }

                return features.remove(feature.getID());

        }

        public Object set(int i, IFeatureID id) {

                if( !allowmodify ) {

                        throw new RuntimeException();

                }

                return features.set(i, id);

        }

        public Object set(int i, IFeature feature) {

                if( !allowmodify ) {

                        throw new RuntimeException();

                }

                return features.set(i, feature.getID());

        }

        //==============================================

        public boolean add(Object arg0) {

                throw new RuntimeException();

        }

        public void add(int arg0, Object arg1) {

                if( !allowmodify ) {

                        throw new RuntimeException();

                }

                features.add(arg0,(IFeatureID)arg1);

        }

        public boolean addAll(Collection arg0) {

                if( !allowmodify ) {

                        throw new RuntimeException();

                }

                return features.addAll(arg0);

        }

        public boolean addAll(int arg0, Collection arg1) {

                if( !allowmodify ) {

                        throw new RuntimeException();

                }

                return features.addAll(arg0,arg1);

        }

        public void clear() {

                if( !allowmodify ) {

                        throw new RuntimeException();

                }

                features.clear();

        }

        public boolean contains(Object arg0) {

                return features.contains(arg0);

        }

        public boolean containsAll(Collection arg0) {

                return features.containsAll(arg0);

        }

        public Object get(int arg0) {

                return features.get(arg0);

        }

        public int indexOf(Object arg0) {

                return features.indexOf(arg0);

        }

        public boolean isEmpty() {

                return features.isEmpty();

        }

        public Iterator iterator() {

                return features.iterator();

        }

        public int lastIndexOf(Object arg0) {

                return features.lastIndexOf(arg0);

        }

        public ListIterator listIterator() {

                return features.listIterator();

        }

        public ListIterator listIterator(int arg0) {

                return features.listIterator(arg0);

        }

        public boolean remove(Object arg0) {

                if( !allowmodify ) {

                        throw new RuntimeException();

                }

                return features.remove(arg0);

        }

        public Object remove(int arg0) {

                if( !allowmodify ) {

                        throw new RuntimeException();

                }

                return features.remove(arg0);

        }

        public boolean removeAll(Collection arg0) {

                if( !allowmodify ) {

                        throw new RuntimeException();

                }

                return features.removeAll(arg0);

        }

        public boolean retainAll(Collection arg0) {

                if( !allowmodify ) {

                        throw new RuntimeException();

                }

                return features.retainAll(arg0);

        }

        public Object set(int arg0, Object arg1) {

                throw new RuntimeException();

        }

        public List subList(int arg0, int arg1) {

                return features.subList(arg0, arg1);

        }

        public Object[] toArray() {

                return features.toArray();

        }

        public Object[] toArray(Object[] arg0) {

                return features.toArray(arg0);

        }

        public void update(IObservable obsevable, Object notification) {

                // TODO Auto-generated method stub

        }

}