Revision 20029 trunk/libraries/libDataSourceDBBaseDrivers/src/org/gvsig/data/datastores/vectorial/db/jdbc/h2/H2FeaturesWriter.java
H2FeaturesWriter.java | ||
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38 | 38 |
import com.iver.cit.gvsig.fmap.core.IGeometry; |
39 | 39 |
import com.iver.cit.gvsig.fmap.core.IGeometry3D; |
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import com.iver.cit.gvsig.fmap.core.ShapeFactory; |
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import com.vividsolutions.jts.io.WKBWriter; |
|
41 | 42 |
|
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class H2FeaturesWriter extends JDBCFeaturesWriter implements ISelectiveWriter { |
43 | 44 |
DBFeatureType featureType; |
... | ... | |
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private PreparedStatement insertSt; |
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private PreparedStatement updateSt; |
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|
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private static WKBWriter wkbWriter = new WKBWriter(); |
|
52 | 54 |
|
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H2FeaturesWriter(){ |
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|
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} |
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public void init(IFeatureStore store) { |
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Statement st; |
|
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this.store = (H2Store)store; |
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this.parameters=(H2StoreParameters)store.getParameters(); |
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|
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this.featureType = (DBFeatureType)this.store.getDefaultFeatureType(); |
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conex = this.store.getConnection(); |
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} |
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|
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public void postProcess() throws OpenException, WriteException { |
|
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try { |
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conex.commit(); |
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} catch (SQLException e) { |
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throw new WriteException(this.store.getName(),e); |
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} |
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} |
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public void cancelActions() throws WriteException{ |
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try { |
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conex.rollback(); |
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} catch (SQLException e) { |
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throw new WriteException(this.store.getName(),e); |
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} |
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} |
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public void preProcess() throws OpenException, InitializeWriterException { |
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Statement st; |
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try { |
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conex.setAutoCommit(false); |
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st = conex.createStatement(); |
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|
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if (bCreateTable) { |
... | ... | |
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System.out.println("sqlCreate =" + sqlCreate); |
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st.execute(sqlCreate); |
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conex.commit(); |
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// conex.commit();
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} |
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conex.setAutoCommit(false); |
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|
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// fieldManager = new JdbcFieldManager(((ConnectionJDBC)conex).getConnection(), lyrDef.getTableName()); |
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} catch (SQLException e) { |
... | ... | |
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// throw new InitializeWriterException(getName(),e); |
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} |
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|
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// ResultSet rsAux; |
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// try { |
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//// conex.setAutoCommit(false); |
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//// alterTable(); |
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// |
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//// rsAux = st.executeQuery("SHOW server_encoding;"); |
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//// rsAux.next(); |
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//// String serverEncoding = rsAux.getString(1); |
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//// System.out.println("Server encoding = " + serverEncoding); |
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// // st.execute("SET CLIENT_ENCODING TO 'UNICODE';"); |
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// // Intentamos convertir nuestras cadenas a ese encode. |
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//// setEncoding(serverEncoding); |
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// } catch (SQLException e) { |
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// throw new InitializeWriterException("H2",e); |
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// } |
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} |
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public void postProcess() throws OpenException, WriteException { |
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try { |
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conex.setAutoCommit(true); |
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} catch (SQLException e) { |
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throw new WriteException("H2",e); |
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} |
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} |
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public void preProcess() throws OpenException, InitializeWriterException { |
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// ATENTION: We will transform (in PostGIS class; doubleQuote()) |
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// to UTF-8 strings. Then, we tell the PostgreSQL server |
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// that we will use UTF-8, and it can translate |
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// to its charset |
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// Note: we have to translate to UTF-8 because |
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// the server cannot manage UTF-16 |
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ResultSet rsAux; |
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try { |
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conex.rollback(); |
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// alterTable(); |
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// rsAux = st.executeQuery("SHOW server_encoding;"); |
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// rsAux.next(); |
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// String serverEncoding = rsAux.getString(1); |
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// System.out.println("Server encoding = " + serverEncoding); |
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// st.execute("SET CLIENT_ENCODING TO 'UNICODE';"); |
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// Intentamos convertir nuestras cadenas a ese encode. |
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// setEncoding(serverEncoding); |
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} catch (SQLException e) { |
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throw new InitializeWriterException("H2",e); |
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} |
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} |
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|
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public void deleteFeature(IFeature feature) throws WriteException { |
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Statement st; |
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String sqlDelete = getSqlDeleteFeature(featureType, feature); |
... | ... | |
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st = this.conex.createStatement(); |
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st.execute(sqlDelete); |
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} catch (SQLException e) { |
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throw new WriteException("H2",e);
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throw new WriteException(this.store.getName(),e);
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} |
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126 | 136 |
} |
... | ... | |
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continue; |
141 | 151 |
|
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H2Utils.loadValueInPreparedStatement(ps, index, fad, feature);
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loadValueInPreparedStatement(ps, index, fad, feature); |
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index++; |
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} |
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// ps.setObject(index, feature.get(ftype.getFieldIdIndex())); |
... | ... | |
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ps.execute(); |
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|
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} catch (SQLException e) { |
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throw new WriteException("H2",e);
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throw new WriteException(this.store.getName(),e);
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|
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} |
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} |
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|
... | ... | |
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this.featureType=(DBFeatureType)featureType; |
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} |
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protected WritableByteChannel getWriteChannel(String path) throws IOException { |
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WritableByteChannel channel; |
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File f = new File(path); |
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if (!f.exists()) { |
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// System.out.println("Creando fichero " + f.getAbsolutePath()); |
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if (!f.createNewFile()) { |
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System.err.print("Error al crear el fichero " |
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+ f.getAbsolutePath()); |
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throw new IOException("Cannot create file " + f); |
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} |
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} |
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RandomAccessFile raf = new RandomAccessFile(f, "rw"); |
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channel = raf.getChannel(); |
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return channel; |
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} |
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/** |
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* @param createTable |
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* The bCreateTable to set. |
... | ... | |
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public void setCreateTable(boolean createTable) { |
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bCreateTable = createTable; |
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} |
207 |
|
|
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boolean dropTableIfExist() throws SQLException{ |
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if (!this.existTable(parameters.getSchema(), parameters.getTableName())){ |
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return false; |
... | ... | |
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JDBCAttributeDescriptor fad=(JDBCAttributeDescriptor)it.next(); |
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if (fad.isPrimaryKey()) |
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continue; |
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H2Utils.loadValueInPreparedStatement(ps, index, fad, feature);
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loadValueInPreparedStatement(ps, index, fad, feature); |
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index++; |
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} |
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H2Utils.loadPkInPreparedStatement(ps, index, ftype, feature);
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loadPkInPreparedStatement(ps, index, ftype, feature); |
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ps.execute(); |
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} catch (SQLException e) { |
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throw new WriteException("H2",e);
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throw new WriteException(this.store.getName(),e);
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} |
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} |
264 | 254 |
|
... | ... | |
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+ attribute.getName() + ";"; |
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st.execute(sql); |
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} catch (SQLException e) { |
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throw new WriteException("H2",e);
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throw new WriteException(this.store.getName(),e);
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|
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} |
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} |
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|
... | ... | |
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+ oldAttribute.getName() + " TO " + attribute.getName() + ";"; |
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st.execute(sql); |
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} catch (SQLException e) { |
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throw new WriteException("H2",e);
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throw new WriteException(this.store.getName(),e);
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} |
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} |
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|
... | ... | |
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+ ";"; |
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st.execute(sql); |
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} catch (SQLException e) { |
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throw new WriteException("H2",e);
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throw new WriteException(this.store.getName(),e);
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} |
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} |
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|
... | ... | |
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return resul; |
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} |
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|
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public void setEncoding(String toEncode){ |
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if (toEncode.compareToIgnoreCase("SQL_ASCII") == 0){ |
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this.toEncode = "ASCII"; |
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} else { |
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this.toEncode = toEncode; |
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} |
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} |
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public String getEncoding() { |
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return toEncode; |
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} |
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public boolean canWriteGeometry(int gvSIGgeometryType) { |
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switch (gvSIGgeometryType) { |
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case FShape.POINT: |
... | ... | |
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return false; |
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} |
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public boolean canWriteAttribute(int sqlType) { |
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switch (sqlType) { |
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case Types.DOUBLE: |
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case Types.FLOAT: |
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case Types.INTEGER: |
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case Types.BIGINT: |
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return true; |
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case Types.DATE: |
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return true; |
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case Types.BIT: |
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case Types.BOOLEAN: |
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return true; |
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case Types.VARCHAR: |
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case Types.CHAR: |
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case Types.LONGVARCHAR: |
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return true; |
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} |
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return false; |
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} |
|
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public String getSqlInsertFeature(DBFeatureType dbFeatureType, |
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IFeature feat) { |
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StringBuffer sqlBuf = new StringBuffer("INSERT INTO " |
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+ this.parameters.tableID() + " ("); |
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String sql = null; |
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int numAlphanumericFields = dbFeatureType.size(); |
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|
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for (int i = 0; i < numAlphanumericFields; i++) { |
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IFeatureAttributeDescriptor fad=(IFeatureAttributeDescriptor)dbFeatureType.get(i); |
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String name = fad.getName(); |
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// if (cols.contains(name) && (!name.equals(uniqueCol) || |
|
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// existsUnique)) { |
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if (name.equals(dbFeatureType.getFieldId())) |
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continue; |
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sqlBuf.append(" " + name + ","); |
|
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// } |
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} |
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sqlBuf.append(" " + dbFeatureType.getDefaultGeometry()); |
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// sqlBuf.deleteCharAt(sqlBuf.lastIndexOf(",")); |
|
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sqlBuf.append(" ) VALUES ("); |
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String insertQueryHead = sqlBuf.toString(); |
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sqlBuf = new StringBuffer(insertQueryHead); |
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for (int j = 0; j < numAlphanumericFields; j++) { |
|
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IFeatureAttributeDescriptor fad=(IFeatureAttributeDescriptor)dbFeatureType.get(j); |
|
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|
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String name = fad.getName(); |
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if (name.equals(dbFeatureType.getFieldId())) |
|
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continue; |
|
419 |
|
|
420 |
if (isNumeric(feat.get(j))) |
|
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sqlBuf.append(feat.get(j).toString() + ", "); |
|
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else |
|
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sqlBuf.append(addQuotes(feat.get(j)) + ", "); |
|
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} |
|
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IGeometry geometry=(IGeometry)feat.getDefaultGeometry(); |
|
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int type=dbFeatureType.getGeometryTypes()[0]; |
|
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if (geometry.getGeometryType()!=type){ |
|
428 |
if (type==FShape.POLYGON){ |
|
429 |
geometry=ShapeFactory.createPolygon2D(new GeneralPathX(geometry.getInternalShape())); |
|
430 |
}else if (type==FShape.LINE){ |
|
431 |
geometry=ShapeFactory.createPolyline2D(new GeneralPathX(geometry.getInternalShape())); |
|
432 |
}else if (type==(FShape.POLYGON|FShape.Z)){ |
|
433 |
geometry=ShapeFactory.createPolygon3D(new GeneralPathX(geometry.getInternalShape()),((IGeometry3D)geometry).getZs()); |
|
434 |
}else if (type==(FShape.LINE|FShape.Z)){ |
|
435 |
geometry=ShapeFactory.createPolyline3D(new GeneralPathX(geometry.getInternalShape()),((IGeometry3D)geometry).getZs()); |
|
436 |
} |
|
437 |
} |
|
438 |
sqlBuf.append(" GeometryFromText( '" |
|
439 |
+ geometry.toJTSGeometry().toText() + "', " |
|
440 |
+ removePrefix(dbFeatureType.getDefaultSRS()) + ")"); |
|
441 |
|
|
442 |
// sqlBuf.deleteCharAt(sqlBuf.lastIndexOf(",")); |
|
443 |
sqlBuf.append(" ) "); |
|
444 |
sql = sqlBuf.toString(); |
|
445 |
return sql; |
|
446 |
} |
|
447 |
public boolean isNumeric(Object obj) { |
|
448 |
|
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449 |
if (obj instanceof Number){ |
|
450 |
return true; |
|
451 |
} |
|
452 |
return false; |
|
453 |
} |
|
454 |
protected String addQuotes(Object value) { |
|
455 |
String retString; |
|
456 |
|
|
457 |
if (value != null) { |
|
458 |
retString = "'" + doubleQuote(value) + "'"; |
|
459 |
|
|
460 |
} else { |
|
461 |
retString = "null"; |
|
462 |
} |
|
463 |
|
|
464 |
return retString; |
|
465 |
} |
|
466 |
private String doubleQuote(Object obj) { |
|
467 |
String aux = obj.toString().replaceAll("'", "''"); |
|
468 |
StringBuffer strBuf = new StringBuffer(aux); |
|
469 |
ByteArrayOutputStream out = new ByteArrayOutputStream(strBuf.length()); |
|
470 |
PrintStream printStream = new PrintStream(out); |
|
471 |
printStream.print(aux); |
|
472 |
String aux2 = "ERROR"; |
|
473 |
try { |
|
474 |
aux2 = out.toString(toEncode); |
|
475 |
System.out.println(aux + " " + aux2); |
|
476 |
} catch (UnsupportedEncodingException e) { |
|
477 |
// TODO Auto-generated catch block |
|
478 |
e.printStackTrace(); |
|
479 |
} |
|
480 |
|
|
481 |
return aux2; |
|
482 |
} |
|
483 |
public static String removePrefix(String str) { |
|
484 |
|
|
485 |
int colon_ind = str.indexOf(":"); |
|
486 |
if (colon_ind != -1) { |
|
487 |
return str.substring(colon_ind + 1); |
|
488 |
} else { |
|
489 |
return str; |
|
490 |
} |
|
491 |
} |
|
492 |
|
|
493 | 351 |
private PreparedStatement getUpdateFeatureStatement(DBFeatureType dbFeatureType) throws SQLException{ |
494 | 352 |
if (this.updateSt == null){ |
495 | 353 |
StringBuffer sqlBuf = new StringBuffer("UPDATE " |
... | ... | |
508 | 366 |
} |
509 | 367 |
sqlBuf.deleteCharAt(sqlBuf.lastIndexOf(",")); |
510 | 368 |
sqlBuf.append(" WHERE "); |
511 |
sqlBuf.append(H2Utils.getFliterForIDForPStatement(dbFeatureType));
|
|
369 |
sqlBuf.append(getFliterForIDForPStatement(dbFeatureType)); |
|
512 | 370 |
sql = sqlBuf.toString(); |
513 | 371 |
|
514 | 372 |
|
... | ... | |
524 | 382 |
StringBuffer sqlBuf = new StringBuffer("DELETE FROM " |
525 | 383 |
+ this.parameters.tableID() + " WHERE "); |
526 | 384 |
String sql = null; |
527 |
sqlBuf.append(H2Utils.getFliterForID(dbFeatureType, feature));
|
|
385 |
sqlBuf.append(H2Utils.getFilterForID(dbFeatureType, feature));
|
|
528 | 386 |
sql = sqlBuf.toString(); |
529 | 387 |
|
530 | 388 |
return sql; |
... | ... | |
583 | 441 |
st.close(); |
584 | 442 |
} |
585 | 443 |
catch(SQLException except){ |
586 |
throw new InitializeWriterException("H2 Feature Writer",except);
|
|
444 |
throw new InitializeWriterException(parameters.getDataStoreName(),except);
|
|
587 | 445 |
|
588 | 446 |
} |
589 | 447 |
} |
448 |
|
|
449 |
protected void loadPkInPreparedStatement(PreparedStatement ps,int paramIndex,DBFeatureType fType,IFeature feature) throws java.sql.SQLException{ |
|
450 |
if (fType.getFieldsId().length != 1) |
|
451 |
throw new UnsupportedOperationException("ID fields > 1"); |
|
452 |
String id =fType.getFieldsId()[0]; |
|
453 |
loadValueInPreparedStatement(ps, paramIndex, (JDBCAttributeDescriptor)fType.get(fType.getFieldIndex(id)), feature); |
|
454 |
} |
|
455 |
|
|
456 |
protected void loadValueInPreparedStatement(PreparedStatement ps,int paramIndex,JDBCAttributeDescriptor attr,IFeature feature) throws java.sql.SQLException{ |
|
457 |
Object value = feature.get(attr.ordinal()); |
|
458 |
if (value == null){ |
|
459 |
ps.setNull(paramIndex, attr.getSqlType()); |
|
460 |
return; |
|
461 |
} |
|
462 |
|
|
463 |
if (attr.getDataType() == IFeatureAttributeDescriptor.TYPE_GEOMETRY){ |
|
464 |
IGeometry geom =(IGeometry)feature.get(attr.ordinal()); |
|
465 |
ps.setBytes( |
|
466 |
paramIndex, wkbWriter.write(geom.toJTSGeometry()) |
|
467 |
); |
|
468 |
return; |
|
469 |
} |
|
470 |
ps.setObject(paramIndex, feature.get(attr.ordinal())); |
|
471 |
} |
|
472 |
|
|
473 |
protected static String getFliterForIDForPStatement(DBFeatureType fType) { |
|
474 |
if (fType.getFieldsId().length != 1) |
|
475 |
throw new UnsupportedOperationException("ID fields > 1"); |
|
476 |
String id =fType.getFieldsId()[0]; |
|
477 |
return id + " = ?"; |
|
478 |
} |
|
590 | 479 |
} |
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