svn-gvsig-desktop / trunk / org.gvsig.desktop / org.gvsig.desktop.plugin / org.gvsig.sqlite / org.gvsig.sqlite.provider / src / main / java / org / gvsig / sqlite / dal / operations / SQLiteFetchFeatureTypeOperation.java @ 47746
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package org.gvsig.sqlite.dal.operations; |
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import java.sql.ResultSet; |
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import java.sql.ResultSetMetaData; |
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import java.sql.SQLException; |
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import java.util.Collection; |
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import java.util.Collections; |
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import java.util.HashMap; |
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import java.util.List; |
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import java.util.Map; |
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import org.apache.commons.lang3.StringUtils; |
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import org.cresques.cts.IProjection; |
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import org.gvsig.fmap.dal.DataManager; |
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import org.gvsig.fmap.dal.DataTypes; |
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import org.gvsig.fmap.dal.exception.DataException; |
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import org.gvsig.fmap.dal.feature.EditableFeatureAttributeDescriptor; |
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import org.gvsig.fmap.dal.feature.EditableFeatureType; |
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import org.gvsig.fmap.dal.resource.exception.AccessResourceException; |
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import org.gvsig.fmap.dal.store.jdbc2.JDBCConnection; |
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import org.gvsig.fmap.dal.store.jdbc2.JDBCHelper; |
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import org.gvsig.fmap.dal.store.jdbc2.OperationsFactory; |
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import org.gvsig.fmap.dal.store.jdbc2.spi.operations.FetchFeatureTypeOperation; |
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import org.gvsig.fmap.geom.Geometry; |
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import org.gvsig.fmap.geom.GeometryUtils; |
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import org.gvsig.sqlite.dal.geopackage.GeopackageGeometryColumns; |
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import org.gvsig.sqlite.dal.geopackage.GeopackageGeometryColumns.GeopackageGeometryColumn; |
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import org.gvsig.sqlite.dal.geopackage.GeopackageUtils; |
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import org.gvsig.sqlite.dal.geopackage.index.GeopackageIndexManager; |
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import org.gvsig.tools.dataTypes.DataType; |
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@SuppressWarnings("UseSpecificCatch") |
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public class SQLiteFetchFeatureTypeOperation extends FetchFeatureTypeOperation { |
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private Map<String,SQLiteColumnInfo> columns_info; |
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public static class SQLiteColumnInfo { |
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protected String table_name; |
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protected String column_column; |
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protected String column_def; |
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public SQLiteColumnInfo() {
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} |
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public void set( |
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String table_name,
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String column_column,
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String column_def
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) {
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this.table_name = table_name;
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this.column_column = column_column;
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this.column_def = column_def;
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} |
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public void copyfrom(SQLiteColumnInfo other) { |
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if( other == null ) { |
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return;
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} |
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this.table_name = other.table_name;
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this.column_column = other.column_column;
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this.column_def = other.column_def;
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} |
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/**
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* @return the table_name
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*/
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public String getTable_name() { |
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return table_name;
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} |
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/**
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* @return the column_column
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*/
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public String getColumn_column() { |
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return column_column;
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} |
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/**
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* @return the column_def
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*/
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public String getColumn_def() { |
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return column_def;
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} |
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} |
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public SQLiteFetchFeatureTypeOperation(
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JDBCHelper helper |
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) {
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super(helper);
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} |
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public SQLiteFetchFeatureTypeOperation(
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JDBCHelper helper, |
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EditableFeatureType featureType, |
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OperationsFactory.TableReference table, |
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List<String> primaryKeys, |
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String defaultGeometryColumn,
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IProjection crs, |
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int geometryType,
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int geometrySubtype
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) {
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super(helper, featureType, table, primaryKeys, defaultGeometryColumn, crs, geometryType, geometrySubtype);
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} |
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@Override
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public void fetch(JDBCConnection conn) throws DataException { |
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this.columns_info = new HashMap<>(); |
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load_columns_def(columns_info); |
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GeopackageUtils.load_gpkg_geometry_columns( |
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columns_info, |
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conn, |
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this.table.getTable(),
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this.createSQLBuilder()
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); |
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super.fetch(conn);
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} |
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protected EditableFeatureAttributeDescriptor getAttributeFromMetadata(
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EditableFeatureType type, |
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JDBCConnection conn, |
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ResultSetMetaData rsMetadata,
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int colIndex
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) throws SQLException { |
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EditableFeatureAttributeDescriptor attr = super.getAttributeFromMetadata(type, conn, rsMetadata, colIndex);
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switch (attr.getType()) {
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case DataTypes.STRING:
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if(attr.getSize() < 1){ |
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attr.setSize(DataManager.RECOMENDED_SIZE_FOR_CLOB); |
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} |
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} |
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return attr;
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} |
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@Override
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protected int getDataTypeFromMetadata( |
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ResultSetMetaData rsMetadata,
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int colIndex
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) throws SQLException { |
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String columnName = rsMetadata.getColumnName(colIndex);
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String typeName = rsMetadata.getColumnTypeName(colIndex);
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SQLiteColumnInfo columninfo = this.columns_info.get(columnName);
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if( columninfo!=null ) { |
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if( columninfo instanceof GeopackageGeometryColumn ) { |
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return DataTypes.GEOMETRY;
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} |
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if( StringUtils.isNotBlank(columninfo.getColumn_def()) ) {
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int columnType = rsMetadata.getColumnType(colIndex);
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if( columnType == java.sql.Types.INTEGER && (
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StringUtils.contains(columninfo.getColumn_def(), "date(") ||
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StringUtils.contains(columninfo.getColumn_def(), "datetime(") ||
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StringUtils.contains(columninfo.getColumn_def(), "strftime(") )
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) {
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return DataTypes.DATE;
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} |
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} |
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if(StringUtils.equalsIgnoreCase(typeName, "TIME")) { |
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return DataTypes.TIME;
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} |
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if(StringUtils.equalsIgnoreCase(typeName, "DATETIME")) { |
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return DataTypes.TIMESTAMP;
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} |
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if(StringUtils.equalsIgnoreCase(typeName, "TIMESTAMP")) { |
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return DataTypes.TIMESTAMP;
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} |
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} |
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return super.getDataTypeFromMetadata(rsMetadata, colIndex); |
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} |
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@Override
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protected void fetchGeometryTypeAndSRS( |
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EditableFeatureAttributeDescriptor attr, |
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ResultSetMetaData rsMetadata,
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int colIndex
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) {
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if( attr.getType()!=DataTypes.GEOMETRY ) {
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return;
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} |
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SQLiteColumnInfo columninfo = this.columns_info.get(attr.getName());
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if( !(columninfo instanceof GeopackageGeometryColumn) ) { |
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return;
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} |
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try {
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GeopackageGeometryColumn geominfo = (GeopackageGeometryColumn) columninfo; |
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IProjection proj = this.helper.getSRSSolver().getProjection(conn, geominfo.getSrs_id());
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int type = Geometry.TYPES.GEOMETRY;
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int subtype = Geometry.SUBTYPES.GEOM2D;
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if( ( geominfo.getZ()==1 || geominfo.getZ()==2 ) && ( geominfo.getM()==1 || geominfo.getM()==2)) { |
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subtype = Geometry.SUBTYPES.GEOM3DM; |
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} else if( geominfo.getZ()==1 || geominfo.getZ()==2 ) { |
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subtype = Geometry.SUBTYPES.GEOM3D; |
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} else if( geominfo.getM()==1 || geominfo.getM()==2) { |
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subtype = Geometry.SUBTYPES.GEOM2DM; |
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} |
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if( StringUtils.containsIgnoreCase(geominfo.getGeometry_type_name(), "POINT") ) { |
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type = Geometry.TYPES.POINT; |
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} else if( StringUtils.containsIgnoreCase(geominfo.getGeometry_type_name(), "LINESTRING") ) { |
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type = Geometry.TYPES.LINE; |
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} else if( StringUtils.containsIgnoreCase(geominfo.getGeometry_type_name(), "POLYGON") ) { |
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type = Geometry.TYPES.POLYGON; |
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} else if( StringUtils.containsIgnoreCase(geominfo.getGeometry_type_name(), "MULTIPOINT") ) { |
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type = Geometry.TYPES.MULTIPOINT; |
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} else if( StringUtils.containsIgnoreCase(geominfo.getGeometry_type_name(), "MULTILINESTRING") ) { |
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type = Geometry.TYPES.MULTILINE; |
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} else if( StringUtils.containsIgnoreCase(geominfo.getGeometry_type_name(), "MULTIPOLYGON") ) { |
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type = Geometry.TYPES.MULTIPOLYGON; |
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} |
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attr.setSRS(proj); |
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attr.setGeometryType(GeometryUtils.getGeometryType(type, subtype)); |
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GeopackageUtils.getIndexManager().checkGeometryIndexes(conn, this.table.getTable(), attr);
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} catch (Exception ex) { |
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LOGGER.debug("Can't get geometry type and srs from column '"+attr.getName()+"'.",ex); |
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} |
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} |
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private void load_columns_def(Map<String,SQLiteColumnInfo> columns_info) throws AccessResourceException { |
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try {
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ResultSet dbmetadata = this.getConnection().getMetaData().getColumns(null, null, table.getTable(), null); |
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while( dbmetadata.next() ) {
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String columnname = dbmetadata.getString("COLUMN_NAME"); |
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SQLiteColumnInfo column_info = columns_info.get(columnname); |
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if( column_info == null ) { |
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column_info = new SQLiteColumnInfo();
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} |
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column_info.column_def = StringUtils.defaultString(dbmetadata.getString("COLUMN_DEF"));
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columns_info.put(columnname, column_info); |
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} |
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} catch (SQLException ex) { |
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LOGGER.warn("Can't read metadata from table '"+table+"'.",ex); |
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} |
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} |
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@Override
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protected List<String> getPrimaryKeysFromInformationSchema(JDBCConnection conn) throws SQLException { |
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return Collections.EMPTY_LIST; |
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} |
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@Override
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public String getSQLToRetrievePrimaryKeysFromInformationSchema() throws SQLException { |
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return null; |
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} |
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} |