Application: gvSIG desktop

package org.gvsig.fmap.dal.store.dbf;

import org.gvsig.fmap.dal.exception.DataException;

import org.gvsig.fmap.dal.exception.ReadRuntimeException;

import org.gvsig.fmap.dal.feature.FeatureType;

import org.gvsig.fmap.dal.feature.spi.DefaultFeatureProvider;

import org.gvsig.fmap.dal.feature.spi.FeatureProvider;

import org.gvsig.fmap.geom.Geometry;

import org.gvsig.fmap.geom.primitive.Envelope;

public class DBFFeatureProvider extends DefaultFeatureProvider {

        protected DBFStoreProvider store;

        protected boolean loading;

        protected boolean loaded;

        public DBFFeatureProvider(DBFStoreProvider store, FeatureType type) {

                super(type);

                this.store = store;

                loading = false;

                loaded = false;

        }

        protected void load() {

                if (loading || loaded || this.isNew()) {

                        return;

                }

                loading = true;

                try {

                        this.store.loadFeatureProviderByIndex(this);

                } catch (DataException e) {

                        throw new ReadRuntimeException("DBFFeatureProvider.load", e);

                } finally {

                        loading = false;

                        loaded = true;

                }

        }

        public void set(int i, Object value) {

                this.load();

                super.set(i, value);

        }

        public void set(String name, Object value) {

                this.load();

                super.set(featureType.getIndex(name), value);

        }

        public Object get(int i) {

                this.load();

                return super.get(i);

        }

        public Object get(String name) {

                this.load();

                return super.get(name);

        }

        public Geometry getDefaultGeometry() {

                return null;

        }

        public Envelope getDefaultEnvelope() {

                return null;

        }

        public void setOID(Object oid) {

                this.loaded = false;

                super.setOID(oid);

        }

        public FeatureProvider getCopy() {

                this.load();

                return super.getCopy();

        }

}