svn-gvsig-desktop / branches / v2_0_0_prep / libraries / libFMap_dataFile / src / org / gvsig / fmap / data / datastores / feature / file / shp / SHPStore.java @ 22360
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package org.gvsig.fmap.data.datastores.feature.file.shp; |
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import java.lang.ref.WeakReference; |
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import java.security.KeyException; |
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import java.util.Iterator; |
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import org.gvsig.exceptions.BaseException; |
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import org.gvsig.fmap.data.CloseException; |
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import org.gvsig.fmap.data.DataCollection; |
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import org.gvsig.fmap.data.DataException; |
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import org.gvsig.fmap.data.DataExplorer; |
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import org.gvsig.fmap.data.DataExplorerParameters; |
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import org.gvsig.fmap.data.DataManager; |
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import org.gvsig.fmap.data.DataStoreParameters; |
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import org.gvsig.fmap.data.InitializeException; |
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import org.gvsig.fmap.data.OpenException; |
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import org.gvsig.fmap.data.ReadException; |
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import org.gvsig.fmap.data.ResourceManager; |
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import org.gvsig.fmap.data.WriteException; |
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import org.gvsig.fmap.data.datastores.feature.file.FileExplorerParameters; |
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import org.gvsig.fmap.data.datastores.feature.file.dbf.DBFFeature; |
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import org.gvsig.fmap.data.datastores.feature.file.dbf.DBFFeatureID; |
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import org.gvsig.fmap.data.datastores.feature.file.dbf.DBFStore; |
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import org.gvsig.fmap.data.feature.AttributeDescriptor; |
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import org.gvsig.fmap.data.feature.DefaultFeatureType; |
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import org.gvsig.fmap.data.feature.Feature; |
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import org.gvsig.fmap.data.feature.FeatureAttributeDescriptor; |
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import org.gvsig.fmap.data.feature.FeatureCollection; |
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import org.gvsig.fmap.data.feature.FeatureID; |
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import org.gvsig.fmap.data.feature.FeatureType; |
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import org.gvsig.fmap.data.feature.FeaturesWriter; |
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import org.gvsig.fmap.data.feature.IsNotAttributeSettingException; |
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import org.gvsig.fmap.geom.primitive.Envelope; |
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import org.gvsig.metadata.IMetadata; |
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import org.gvsig.metadata.IMetadataManager; |
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import org.gvsig.metadata.MetadataManager; |
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public class SHPStore extends DBFStore{ |
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public static String DATASTORE_NAME = "SHPStore"; |
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private SHPStoreParameters shpParameters=null; |
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private SHPResource shp=null; |
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public void init(DataStoreParameters parameters) throws InitializeException { |
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super.init(parameters);
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defaultFeatureType=super.getDefaultFeatureType();
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AttributeDescriptor dad=(AttributeDescriptor) ((DefaultFeatureType)defaultFeatureType).createAttributeDescriptor(); |
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try {
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dad.loading(); |
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dad.setName("GEOMETRY");
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dad.setType(FeatureAttributeDescriptor.TYPE_GEOMETRY); |
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dad.stopLoading(); |
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} catch (IsNotAttributeSettingException e1) {
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throw new InitializeException(this.getName(),e1); |
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} |
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defaultFeatureType.add(dad); |
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defaultFeatureType.setDefaultGeometry("GEOMETRY");
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this.shpParameters=(SHPStoreParameters)parameters;
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SHPResource tmpResource = new SHPResource(this.shpParameters); |
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ResourceManager resMan = ResourceManager.getResourceManager(); |
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try {
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this.shp = (SHPResource)resMan.addResource(tmpResource);
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} catch (DataException e1) {
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throw new InitializeException(this.getName(),e1); |
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} |
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try {
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defaultFeatureType.setGeometryTypes(new int[]{this.shp.getGeometryType()}); |
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} catch (ReadException e) {
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throw new InitializeException("Can't read type",this.getName(),e); |
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} |
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this.observeResource(this.shp); |
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} |
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protected void doFinishEdition() throws WriteException, ReadException { |
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this.shp.editing();
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super.doFinishEdition();
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this.shp.stopEditing();
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this.shp.changed(this); |
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} |
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public DataCollection getDataCollection(FeatureType type, String filter, String order) throws ReadException { |
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if (type==null){ |
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type=getDefaultFeatureType(); |
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} |
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FeatureCollection coll; |
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if (order == null){ |
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if (featureManager==null){ |
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coll=new SHPFeatureCollectionBitSet(this,type,filter); |
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}else{
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coll=new ShpFeatureCollection(featureManager,this,type,filter); |
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} |
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}else{
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coll=new ShpFeatureCollectionWithFeatureID(featureManager,this,type,filter,order); |
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} |
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this.addObserver(new WeakReference(coll)); |
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return coll;
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} |
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public Feature getFeatureByID(FeatureID id,FeatureType featureType) throws ReadException { |
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if (featureType==null){ |
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featureType=getDefaultFeatureType(); |
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}else{
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if (!featureType.isSubtypeOf(this.getDefaultFeatureType())){ |
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throw new ReadException("invalid type",this.getName()); |
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} |
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} |
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if (this.alterMode){ |
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if (featureManager.contains(id)) {
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return featureManager.getFeature(id,this,featureType); |
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} |
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} |
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long position=((ShpFeatureID)id).getIndex();
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ShpFeature feature=new ShpFeature(featureType,this,position); |
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return feature;
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} |
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public boolean isWithDefaultLegend() { |
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return false; |
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} |
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public Object getDefaultLegend() { |
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return null; |
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} |
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public Object getDefaultLabelingStrategy() { |
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return null; |
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} |
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public boolean canAlterFeatureType() { |
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return true; |
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} |
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public String getName() { |
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return DATASTORE_NAME;
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} |
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protected void doOpen() throws OpenException { |
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super.doOpen();
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} |
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protected void doClose() throws CloseException { |
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super.doClose();
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try {
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this.shp.close();
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} catch (DataException e) {
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throw new CloseException(this.getName(),e); |
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} |
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} |
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protected void doDispose() throws CloseException { |
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super.doDispose();
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ResourceManager resMan = ResourceManager.getResourceManager(); |
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try {
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resMan.remove(this.shp);
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} catch (DataException e1) {
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throw new CloseException(this.getName(),e1); |
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} catch (KeyException e) { |
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// TODO Auto-generated catch block
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throw new CloseException(this.getName(),e); |
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} |
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this.shp = null; |
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this.metadata=null; |
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} |
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public boolean isEditable() { |
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if (super.isEditable() && this.shp.isEditable()) return true; |
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return false; |
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} |
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public IMetadata getMetadata() throws BaseException { |
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if (metadata==null){ |
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IMetadataManager manager=MetadataManager.getManager(); |
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metadata=manager.create(DATASTORE_NAME); |
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Envelope extent=this.shp.getFullExtent();
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metadata.set("extent",extent);
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String srs=this.shp.getSRS(); |
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metadata.set("srs",srs);
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} |
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if (this.alterMode){ |
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Envelope extent=(Envelope)metadata.get("extent");
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FeatureCollection featureCollection=(FeatureCollection)getDataCollection(); |
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if (spatialManager.isFullExtentDirty()){
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if (!featureCollection.isEmpty()){
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Iterator featureIterator=featureCollection.iterator();
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extent = ((Feature)featureIterator.next()).getExtent(); |
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while(featureIterator.hasNext()){
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Feature feature=(Feature)featureIterator.next(); |
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Envelope boundExtent=feature.getExtent(); |
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if (boundExtent!=null) |
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extent.add(boundExtent); |
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} |
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} |
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} |
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metadata.set("extent",extent);
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} |
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return metadata;
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} |
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// protected Feature getFeatureByPosition(FeatureType featureType,long position) throws ReadException {
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// ShpFeature feature=new ShpFeature(featureType,this,position);
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// feature.load(dbf, this.getGeometry(position));
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// return feature;
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// }
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protected FeaturesWriter getFeaturesWriter() {
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FeaturesWriter writer = new ShpFeaturesWriter();
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// writer.init(this);
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return writer;
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} |
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protected long getFeatureCount() throws ReadException{ |
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return super.getFeatureCount(); |
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} |
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public DataExplorer getExplorer() throws InitializeException { |
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DataManager dsm=DataManager.getManager(); |
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DataExplorerParameters dsp = dsm.createDataExplorerParameters( |
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SHPDataExplorer.DATASOURCE_NAME); |
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((FileExplorerParameters)dsp).setSource(shpParameters.getFile().getParentFile()); |
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DataExplorer src=null;
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try {
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src = dsm.createDataExplorer(dsp); |
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} catch (InitializeException e1) {
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e1.printStackTrace(); |
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} |
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return src;
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} |
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/* (non-Javadoc)
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* @see org.gvsig.fmap.data.datastores.feature.file.dbf.DBFStore#doRefresh()
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*/
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protected void doRefresh() throws OpenException, InitializeException { |
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// TODO Auto-generated method stub
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super.doRefresh();
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} |
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/**
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* @param featureIndex
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* @return
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* @throws ReadException
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*/
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protected Envelope getBoundingBox(long featureIndex) throws ReadException { |
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return this.shp.getBoundingBox(featureIndex); |
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} |
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/**
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* @param featureIndex
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* @return
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* @throws ReadException
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*/
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protected Object getGeometry(long featureIndex) throws ReadException { |
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return this.shp.getGeometry(featureIndex); |
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} |
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} |