svn-gvsig-desktop / tags / v1_1_Build_1008 / libraries / libGDBMS / src / main / java / com / hardcode / gdbms / engine / data / driver / AbstractJDBCDriver.java @ 12520
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/* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana
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*
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* Copyright (C) 2004 IVER T.I. and Generalitat Valenciana.
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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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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,USA.
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*
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* For more information, contact:
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*
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* Generalitat Valenciana
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* Conselleria d'Infraestructures i Transport
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* Av. Blasco Ib??ez, 50
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* 46010 VALENCIA
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* SPAIN
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*
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* +34 963862235
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* gvsig@gva.es
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* www.gvsig.gva.es
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*
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* or
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*
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* IVER T.I. S.A
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* Salamanca 50
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* 46005 Valencia
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* Spain
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*
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* +34 963163400
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* dac@iver.es
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*/
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package com.hardcode.gdbms.engine.data.driver; |
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import java.sql.Connection; |
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import java.sql.Date; |
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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.sql.Time; |
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import java.sql.Timestamp; |
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import java.text.DateFormat; |
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import java.text.SimpleDateFormat; |
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import java.util.HashMap; |
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import com.hardcode.gdbms.engine.data.DataSourceFactory; |
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import com.hardcode.gdbms.engine.data.db.JDBCSupport; |
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import com.hardcode.gdbms.engine.values.Value; |
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import com.hardcode.gdbms.engine.values.ValueWriter; |
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import com.iver.cit.gvsig.fmap.drivers.FieldDescription; |
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import com.iver.cit.gvsig.fmap.drivers.ITableDefinition; |
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import com.iver.cit.gvsig.fmap.drivers.TableDefinition; |
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import com.iver.cit.gvsig.fmap.edition.IWriteable; |
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import com.iver.cit.gvsig.fmap.edition.IWriter; |
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import com.iver.cit.gvsig.fmap.edition.writers.JdbcWriter; |
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import com.iver.utiles.NumberUtilities; |
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public abstract class AbstractJDBCDriver implements AlphanumericDBDriver, |
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IWriteable {
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protected JDBCSupport jdbcSupport;
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protected JdbcWriter jdbcWriter = new JdbcWriter(); |
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private static DateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd"); |
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private static DateFormat timeFormat = new SimpleDateFormat( |
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"yyyy-MM-dd HH:mm:ss");
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private ValueWriter vWriter = ValueWriter.internalValueWriter;
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/**
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* @see com.hardcode.gdbms.engine.data.driver.DBDriver#executeSQL(java.sql.Connection,
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* java.lang.String)
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*/
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public void open(Connection con, String sql) throws SQLException { |
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jdbcSupport = JDBCSupport.newJDBCSupport(con, sql); |
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Statement st = con.createStatement(ResultSet.TYPE_SCROLL_INSENSITIVE, |
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ResultSet.CONCUR_UPDATABLE);
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ResultSet res = st.executeQuery(sql);
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if (res.getConcurrency() != ResultSet.CONCUR_UPDATABLE) { |
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System.err.println("Error: No se puede editar la tabla " + sql); |
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jdbcWriter = null;
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} else
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{
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jdbcWriter.initialize(con, res); |
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jdbcWriter.setCreateTable(false);
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jdbcWriter.setWriteAll(false);
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} |
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} |
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/**
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* DOCUMENT ME!
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*
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* @return DOCUMENT ME!
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*
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* @throws DriverException
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* DOCUMENT ME!
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*/
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public int getFieldCount() throws DriverException { |
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return jdbcSupport.getFieldCount();
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} |
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/**
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* DOCUMENT ME!
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*
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* @param fieldId
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* DOCUMENT ME!
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*
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* @return DOCUMENT ME!
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*
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* @throws DriverException
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* DOCUMENT ME!
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*/
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public String getFieldName(int fieldId) throws DriverException { |
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return jdbcSupport.getFieldName(fieldId);
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} |
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/**
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* DOCUMENT ME!
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*
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* @param i
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* DOCUMENT ME!
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*
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* @return DOCUMENT ME!
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*
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* @throws DriverException
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* DOCUMENT ME!
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*/
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public int getFieldType(int i) throws DriverException { |
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return jdbcSupport.getFieldType(i);
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} |
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/**
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* DOCUMENT ME!
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*
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* @param rowIndex
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* DOCUMENT ME!
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* @param fieldId
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* DOCUMENT ME!
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*
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* @return DOCUMENT ME!
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*
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* @throws DriverException
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* DOCUMENT ME!
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*/
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public Value getFieldValue(long rowIndex, int fieldId) |
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throws DriverException {
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return jdbcSupport.getFieldValue(rowIndex, fieldId);
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} |
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/**
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* DOCUMENT ME!
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*
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* @return DOCUMENT ME!
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*
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* @throws DriverException
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* DOCUMENT ME!
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*/
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public long getRowCount() throws DriverException { |
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return jdbcSupport.getRowCount();
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} |
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/**
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* @see com.hardcode.gdbms.engine.data.driver.DBDriver#close()
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*/
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public void close() throws SQLException { |
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jdbcSupport.close(); |
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jdbcWriter.close(); |
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} |
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/**
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* @see com.hardcode.gdbms.engine.data.driver.DriverCommons#getDriverProperties()
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*/
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public HashMap getDriverProperties() { |
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return null; |
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} |
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/**
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* @see com.hardcode.gdbms.engine.data.driver.DriverCommons#setDataSourceFactory(com.hardcode.gdbms.engine.data.DataSourceFactory)
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*/
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public void setDataSourceFactory(DataSourceFactory dsf) { |
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} |
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/**
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* @see com.hardcode.gdbms.engine.data.driver.DBDriver#execute(java.sql.Connection,
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* java.lang.String, com.hardcode.gdbms.engine.data.HasProperties)
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*/
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public void execute(Connection con, String sql) throws SQLException { |
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JDBCSupport.execute(con, sql); |
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} |
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/**
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* @see com.hardcode.gdbms.engine.data.driver.DBDriver#getInternalTableName(java.lang.String)
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*/
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public String getInternalTableName(String tableName) { |
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return tableName;
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} |
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/**
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* @see com.hardcode.gdbms.engine.data.driver.DBDriver#getStatementString(long)
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*/
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public String getStatementString(long i) { |
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return vWriter.getStatementString(i);
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} |
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/**
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* @see com.hardcode.gdbms.engine.data.driver.DBDriver#getStatementString(int,
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* int)
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*/
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public String getStatementString(int i, int sqlType) { |
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return vWriter.getStatementString(i, sqlType);
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} |
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/**
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* @see com.hardcode.gdbms.engine.data.driver.DBDriver#getStatementString(double,
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* int)
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*/
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public String getStatementString(double d, int sqlType) { |
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return vWriter.getStatementString(d, sqlType);
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} |
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/**
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* @see com.hardcode.gdbms.engine.data.driver.DBDriver#getStatementString(java.lang.String,
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* int)
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*/
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public String getStatementString(String str, int sqlType) { |
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return vWriter.getStatementString(str, sqlType);
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} |
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/**
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* @see com.hardcode.gdbms.engine.data.driver.DBDriver#getStatementString(java.sql.Date)
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*/
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public String getStatementString(Date d) { |
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return dateFormat.format(d);
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} |
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/**
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* @see com.hardcode.gdbms.engine.data.driver.DBDriver#getStatementString(java.sql.Time)
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*/
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public String getStatementString(Time t) { |
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return timeFormat.format(t);
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} |
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/**
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* @see com.hardcode.gdbms.engine.data.driver.DBDriver#getStatementString(java.sql.Timestamp)
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*/
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public String getStatementString(Timestamp ts) { |
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return timeFormat.format(ts);
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} |
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/**
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* @see com.hardcode.gdbms.engine.data.driver.DBDriver#getStatementString(byte[])
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*/
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public String getStatementString(byte[] binary) { |
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return "x" + vWriter.getStatementString(binary); |
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} |
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/**
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* @see com.hardcode.gdbms.engine.data.driver.DBDriver#getStatementString(boolean)
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*/
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public String getStatementString(boolean b) { |
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return vWriter.getStatementString(b);
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} |
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/**
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* @see com.hardcode.gdbms.engine.values.ValueWriter#getNullStatementString()
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*/
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public String getNullStatementString() { |
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return "null"; |
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} |
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public int getFieldWidth(int i) throws DriverException { |
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return jdbcSupport.getFieldWidth(i);
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} |
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public IWriter getWriter() {
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return jdbcWriter;
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} |
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/**
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* Return the default tabledefinition (only
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* has field description values).
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* Each driver that inheret this class must overwrite
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* this.
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*
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* */
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// public ITableDefinition getTableDefinition(){
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// TableDefinition tableDef = new TableDefinition();
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// try {
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// tableDef.setFieldsDesc(getFieldsDescription());
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// } catch (DriverException e) {
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// throw new RuntimeException(e);//excepcion sin chequear
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// }
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// return tableDef;
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// }
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/*azabala
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TODO Copypasteado de SelectableDataSource.
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?No estar?a mejor aqu??
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*
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*/
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private FieldDescription[] getFieldsDescription() throws DriverException |
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{
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int numFields = getFieldCount();
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FieldDescription[] fieldsDescrip = new FieldDescription[numFields]; |
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for (int i = 0; i < numFields; i++) { |
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fieldsDescrip[i] = new FieldDescription();
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int type = getFieldType(i);
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fieldsDescrip[i].setFieldType(type); |
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fieldsDescrip[i].setFieldName(getFieldName(i)); |
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fieldsDescrip[i].setFieldLength(getFieldWidth(i)); |
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if (NumberUtilities.isNumeric(type))
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{
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if (!NumberUtilities.isNumericInteger(type))
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// TODO: If there is a lost in precision, this should be changed.
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fieldsDescrip[i].setFieldDecimalCount(6);
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} |
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else
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fieldsDescrip[i].setFieldDecimalCount(0);
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// TODO: ?DEFAULTVALUE?
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// fieldsDescrip[i].setDefaultValue(get)
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} |
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return fieldsDescrip;
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} |
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} |