Revision 47436 trunk/org.gvsig.desktop/org.gvsig.desktop.compat.cdc/org.gvsig.fmap.dal/org.gvsig.fmap.dal.file/org.gvsig.fmap.dal.file.shp/src/main/java/org/gvsig/fmap/dal/store/shp/SHPFeatureProvider.java
| SHPFeatureProvider.java | ||
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/** |
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* gvSIG. Desktop Geographic Information System. |
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* |
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* Copyright (C) 2007-2013 gvSIG Association.
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* Copyright (C) 2007-2023 gvSIG Association.
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* |
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* This program is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU General Public License |
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import org.gvsig.fmap.dal.exception.DataException; |
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import org.gvsig.fmap.dal.exception.ReadRuntimeException; |
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import org.gvsig.fmap.dal.feature.FeatureType; |
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import org.gvsig.fmap.dal.feature.spi.DefaultFeatureProvider; |
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import org.gvsig.fmap.dal.feature.spi.FeatureProvider; |
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import org.gvsig.fmap.dal.store.dbf.DBFFeatureProvider; |
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import org.gvsig.fmap.geom.Geometry; |
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import org.gvsig.fmap.geom.primitive.Envelope; |
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public class SHPFeatureProvider extends DefaultFeatureProvider {
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protected SHPStoreProvider store; |
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protected boolean loading; |
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protected boolean loaded; |
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public class SHPFeatureProvider extends DBFFeatureProvider {
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public SHPFeatureProvider(SHPStoreProvider store, FeatureType providerFeatureType, FeatureType storeFeatureType) {
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super(store, providerFeatureType, storeFeatureType); |
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} |
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public SHPFeatureProvider(SHPStoreProvider store, FeatureType type) {
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super(type); |
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this.store = store; |
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loading = false; |
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loaded = false; |
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} |
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protected void load() {
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if (loading || loaded || this.isNew()) {
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return; |
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} |
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loading = true; |
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try {
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this.store.loadFeatureProviderByIndex(this); |
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} catch (DataException e) {
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throw new ReadRuntimeException(getNameForMessages(), this.getOID(), e); |
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} finally {
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loading = false; |
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loaded = true; |
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} |
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} |
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protected String getNameForMessages() {
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// Solo con proposito de mostrar en mensajes de error. |
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try {
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return this.store.getName(); |
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} catch(Exception ex) {
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return "unknown"; |
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} |
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@Override |
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protected void load() {
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if (loading || loaded || this.isNew()) {
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return; |
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} |
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loading = true; |
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try {
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((SHPStoreProvider)this.store).loadFeatureProviderByIndex(this); |
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} catch (DataException e) {
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throw new ReadRuntimeException(getNameForMessages(), this.getOID(), e); |
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} finally {
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loading = false; |
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loaded = true; |
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} |
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} |
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public void set(int i, Object value) {
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this.load(); |
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super.set(i, value); |
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} |
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public void set(String name, Object value) {
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this.load(); |
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super.set(featureType.getIndex(name), value); |
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} |
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@Override |
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public Geometry getDefaultGeometry() {
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this.load(); |
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Geometry geom = this.defaultGeometry; |
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if (geom != null && geom.getProjection() == null) {
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geom.setProjection(((SHPStoreProvider) this.store).getProjection()); |
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} |
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return geom; |
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} |
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public Object get(int i) {
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this.load();
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return super.get(i);
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}
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@Override
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public Envelope getDefaultEnvelope() {
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return this.envelope;
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}
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public Object get(String name) {
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this.load(); |
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return super.get(name); |
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} |
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public Geometry getDefaultGeometry() {
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this.load(); |
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Geometry geom = this.defaultGeometry; |
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if( geom!=null && geom.getProjection()==null ) {
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geom.setProjection(this.store.getProjection()); |
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} |
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return geom; |
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} |
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public Envelope getDefaultEnvelope() {
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return this.envelope; |
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} |
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public void setOID(Object oid) {
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this.loaded = false; |
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super.setOID(oid); |
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} |
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public FeatureProvider getCopy() {
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this.load(); |
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return super.getCopy(); |
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} |
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} |
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