root / trunk / libraries / libGDBMS / src / main / java / com / hardcode / gdbms / driver / odbc / ODBCDriver.java @ 9767
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/*
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* Created on 16-oct-2004
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*/
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package com.hardcode.gdbms.driver.odbc; |
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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.data.driver.AlphanumericDBDriver; |
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import com.hardcode.gdbms.engine.data.driver.DriverException; |
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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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import java.sql.Connection; |
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import java.sql.Date; |
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import java.sql.DriverManager; |
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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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/**
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* MySQL driver
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*
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* @author Fernando Gonz?lez Cort?s
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*/
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public class ODBCDriver implements AlphanumericDBDriver, IWriteable { |
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private static Exception driverException; |
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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 static ValueWriter vWriter = ValueWriter.internalValueWriter; |
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static {
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try {
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Class.forName("sun.jdbc.odbc.JdbcOdbcDriver").newInstance(); |
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} catch (Exception ex) { |
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driverException = ex; |
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} |
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} |
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private JDBCSupport jdbcSupport;
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private JdbcWriter jdbcWriter = new JdbcWriter(); |
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/**
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* DOCUMENT ME!
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*
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* @param host DOCUMENT ME!
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* @param port DOCUMENT ME!
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* @param dbName DOCUMENT ME!
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* @param user DOCUMENT ME!
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* @param password DOCUMENT ME!
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*
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* @return DOCUMENT ME!
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*
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* @throws SQLException
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* @throws RuntimeException DOCUMENT ME!
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*
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* @see com.hardcode.gdbms.engine.data.driver.DBDriver#connect(java.lang.String)
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*/
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public Connection getConnection(String host, int port, String dbName, |
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String user, String password) throws SQLException { |
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if (driverException != null) { |
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throw new RuntimeException(driverException); |
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} |
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String connectionString = "jdbc:odbc:" + dbName; |
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if (user != null) { |
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connectionString += (";UID=" + user + ";PWD=" + password); |
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} |
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return DriverManager.getConnection(connectionString); |
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} |
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/**
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* @see com.hardcode.driverManager.Driver#getName()
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*/
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public String getName() { |
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return "odbc"; |
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} |
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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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jdbcWriter.setCreateTable(false);
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jdbcWriter.setWriteAll(false);
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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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jdbcWriter.initialize(con, res); |
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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 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 DOCUMENT ME!
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*
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* @return DOCUMENT ME!
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*
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* @throws DriverException 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 DOCUMENT ME!
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*
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* @return DOCUMENT ME!
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*
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* @throws DriverException 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 DOCUMENT ME!
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* @param fieldId DOCUMENT ME!
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*
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* @return DOCUMENT ME!
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*
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* @throws DriverException 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 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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} |
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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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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 Codigo repetido entre ODBCDriver y AbstractJDBCDriver.
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Igual hay que ponerlo en una clase auxiliar comun
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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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} |