root / branches / v2_0_0_prep / libraries / libFMap_dataDB / src / org / gvsig / fmap / data / feature / db / jdbc / postgresql / PostgresqlStore.java @ 23303
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package org.gvsig.fmap.data.feature.db.jdbc.postgresql; |
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import java.lang.ref.WeakReference; |
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import java.sql.Connection; |
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import java.sql.ResultSet; |
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import java.sql.SQLException; |
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import java.sql.Statement; |
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import java.util.Iterator; |
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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.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.feature.Feature; |
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import org.gvsig.fmap.data.feature.FeatureCollection; |
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import org.gvsig.fmap.data.feature.FeatureType; |
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import org.gvsig.fmap.data.feature.InitializeWriterException; |
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import org.gvsig.fmap.data.feature.db.DBFeatureType; |
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import org.gvsig.fmap.data.feature.db.DBParameters; |
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import org.gvsig.fmap.data.feature.db.jdbc.JDBCFeaturesWriter; |
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import org.gvsig.fmap.data.feature.db.jdbc.JDBCResource; |
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import org.gvsig.fmap.data.feature.db.jdbc.JDBCStore; |
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import org.gvsig.fmap.data.feature.db.jdbc.JDBCStoreParameters; |
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import org.gvsig.fmap.geom.primitive.DefaultEnvelope; |
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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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import org.gvsig.tools.exception.BaseException; |
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import org.postgis.PGbox2d; |
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import org.postgis.PGbox3d; |
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import org.postgresql.util.PGobject; |
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public class PostgresqlStore extends JDBCStore{ |
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public static final String CONNECTION_STRING = "postgresql"; |
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public static String DATASTORE_NAME = "PostgresqlStore"; |
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PostgresqlStoreParameters getParametersPostgresql(){
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return (PostgresqlStoreParameters)this.parameters; |
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} |
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/* (non-Javadoc)
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* @see org.gvsig.fmap.data.feature.db.jdbc.JDBCStore#createResource(org.gvsig.fmap.data.feature.file.dbf.DBFStoreParameters)
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*/
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protected JDBCResource createResource(JDBCStoreParameters params) {
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return new PostgresqlResource(params); |
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} |
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protected void initFeatureType() throws InitializeException{ |
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PostgresqlStoreParameters dParams = this.getParametersPostgresql();
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try {
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this.defaultFeatureType = PostgresqlStoreUtils.getFeatureType(this.getConnection(), dParams); |
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} catch (ReadException e) {
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throw new InitializeException(DATASTORE_NAME,e); |
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} |
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String[] fieldsID = dParams.getFieldsId(); |
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if (fieldsID == null || fieldsID.length < 1){ |
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throw new InitializeException( |
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DATASTORE_NAME, |
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new Exception("Field Id not set")); |
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} else if (fieldsID.length > 1){ |
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//TODO: Falta por implementar soporte para multiples ID
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throw new InitializeException( |
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DATASTORE_NAME, |
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new Exception("Multy fields id not supported yet")); |
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} else{
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for (int i=0;i<fieldsID.length;i++){ |
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if (this.getDefaultFeatureType().getFieldIndex(fieldsID[i]) < 0) { |
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throw new InitializeException( |
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DATASTORE_NAME, |
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new Exception("Field id '"+ fieldsID[i] +"' (id pos "+ (i+1) +") not Found")); |
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} |
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} |
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} |
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} |
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public DataCollection getDataCollection(FeatureType type, String filter, String order) throws ReadException { |
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try {
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type = this.checkFeatureTypeForCollection(type);
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} catch (DataException e) {
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throw new ReadException(this.getName(), e); |
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} |
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if (useSqlSource ){
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if (filter != null || order != null) { |
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throw new ReadException("Unsuported filter/order in sqlSource mode",this.getName()); |
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} |
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} |
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FeatureCollection coll; |
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if (featureManager == null){ |
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coll=new PostgresqlFeatureCollection(this,type,filter,order); |
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}else{
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if ((order != null && order != "")){ |
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coll=new PostgresqlFeatureCollectionWithFeatureID(featureManager,this,type,filter,order); |
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} else{
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if (filter == null || filter == ""){ |
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coll=new PostgresqlFeatureCollectionEditing(featureManager,this,type); |
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} else {
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coll=new PostgresqlFeatureCollectionEditingFiltered(featureManager,this,type,filter); |
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} |
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} |
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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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protected Connection getConnection() throws ReadException{ |
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return super.getConnection(); |
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} |
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protected void initSqlProperties() throws InitializeException{ |
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PostgresqlStoreParameters dParams = (PostgresqlStoreParameters)this.getParameters();
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if (dParams.getSqlSoure() != null){ |
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this.sqlSource = dParams.getSqlSoure();
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this.useSqlSource = true; |
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this.sqlSelectPart = null; |
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this.baseWhereClause = null; |
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this.baseOrder = null; |
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} else {
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this.sqlSelectPart = "SELECT " + dParams.getFieldsString() +" FROM "+ dParams.tableID(); |
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this.baseWhereClause = dParams.getBaseFilter();
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if (dParams.getWorkingArea() != null){ |
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String waWhere = getWorkingAreaFilter(dParams.getWorkingArea(), dParams.getSRISD());
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if (waWhere != null){ |
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this.baseWhereClause = "(("+this.baseWhereClause+") and "+waWhere +")"; |
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} |
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} |
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this.baseOrder = dParams.getBaseOrder();
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} |
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} |
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private String getWorkingAreaFilter(Envelope env, String strEPSG) { |
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if (env == null) { |
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return null; |
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} |
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String wktBox = "GeometryFromText('LINESTRING(" + env.getMinimum(0) |
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+ " " + env.getMinimum(1) + ", " + env.getMaximum(0) + " " |
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+ env.getMinimum(1) + ", " + env.getMaximum(0) + " " |
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+ env.getMaximum(1) + ", " + env.getMinimum(0) + " " |
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+ env.getMaximum(1) + ")', " + strEPSG + ")"; |
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return wktBox;
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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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protected void doDispose() throws CloseException{ |
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super.doDispose();
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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 JDBCFeaturesWriter getFeaturesWriter() throws InitializeWriterException { |
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JDBCFeaturesWriter writer = new PostgresqlFeaturesWriter();
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writer.init(this);
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return writer;
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} |
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public DataExplorer getExplorer() {
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// TODO Auto-generated method stub
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return null; |
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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.getFullExtent();
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metadata.set("extent",extent);
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String srs = this.getDefaultFeatureType().getDefaultSRS(); |
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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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} |
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metadata.set("extent",extent);
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} |
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return metadata;
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// if (metadata==null){
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// IMetadata tmp=super.getMetadata();
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//
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// return tmp;
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// }else{
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// return super.getMetadata();
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// }
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} |
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private Envelope getFullExtent() throws ReadException { |
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Envelope fullExtent=null;
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Statement s = null; |
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ResultSet r = null; |
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try {
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DBParameters params = this.getParametersPostgresql();
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if (params.getDefaultGeometryField() == null |
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|| params.getDefaultGeometryField().length() == 0) {
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return null; |
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} |
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s = getConnection().createStatement(); |
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StringBuffer sql = new StringBuffer(); |
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sql.append("SELECT extent(");
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sql.append(params.getDefaultGeometryField()); |
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sql.append(") AS FullExtent FROM ");
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sql.append(params.tableID()); |
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if (this.getBaseWhereClause() != null |
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&& this.getBaseWhereClause() != "") { |
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sql.append(" WHERE ");
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sql.append(this.getBaseWhereClause());
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} |
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r = s.executeQuery(sql.toString()); |
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if (!r.next()) {
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return null; |
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} |
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PGobject data = (PGobject) r.getObject(1);
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if (data instanceof PGbox3d) { |
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PGbox3d box3d = (PGbox3d) data; |
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fullExtent = new DefaultEnvelope(
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box3d.getLLB().x, box3d.getLLB().y,box3d.getLLB().z, |
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box3d.getURT().x, box3d.getURT().y,box3d.getURT().z); |
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} else {
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PGbox2d box2d = (PGbox2d) data; |
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fullExtent = new DefaultEnvelope(
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box2d.getLLB().x, box2d.getLLB().y, |
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box2d.getURT().x, box2d.getURT().y); |
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} |
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String strAux = r.getString(1); |
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System.out.println("fullExtent = " + strAux); |
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} catch (SQLException e) { |
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throw new ReadException(this.getName(),e); |
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} finally {
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if (r != null) { |
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try {
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r.close(); |
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} catch (SQLException e) { |
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// TODO Auto-generated catch block
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e.printStackTrace(); |
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} |
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} |
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if (s != null) { |
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try {
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s.close(); |
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} catch (SQLException e) { |
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// TODO Auto-generated catch block
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e.printStackTrace(); |
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} |
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} |
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} |
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return fullExtent;
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} |
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protected Feature createFeatureFromResulset(ResultSet rs, DBFeatureType featureType2) throws ReadException { |
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if (featureType2== null){ |
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return new PostgresqlFeature(this.getDefaultFeatureType(),this,rs); |
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}else{
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return new PostgresqlFeature(featureType2,this,rs); |
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} |
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} |
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/* (non-Javadoc)
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* @see org.gvsig.fmap.data.feature.FeatureStore#doRefresh()
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*/
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protected void doRefresh() throws OpenException, InitializeException { |
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this.initFeatureType();
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this.initSqlProperties();
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} |
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public boolean canWriteGeometry(int gvSIGgeometryType) { |
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try {
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return getFeaturesWriter().canWriteGeometry(gvSIGgeometryType);
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} catch (InitializeWriterException e) {
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e.printStackTrace(); |
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} |
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return false; |
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} |
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public Feature getByIndex(long index) throws ReadException { |
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// TODO Auto-generated method stub
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return null; |
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} |
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} |