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JavaSercer Pages Vector values = new Vector( );

JavaSercer Pages Vector values = new Vector( ); values.addElement(new StringValue(userName)); sqlCommandBean.setSqlValue(sqlValue); sqlCommandBean.setValues(values); Vector rows = sqlCommandBean.executeQuery( ); // Create values for insert/update values.removeAllElements( ); values.addElement(new StringValue(password)); values.addElement(new StringValue(firstName)); values.addElement(new StringValue(lastName)); values.addElement(new StringValue(dept)); values.addElement(new DateValue( new Date(StringFormat.toDate(empDate, “yyyy-MM-dd”).getTime( )))); values.addElement(new StringValue(emailAddr)); values.addElement(new TimestampValue( new Timestamp(System.currentTimeMillis( )))); values.addElement(new StringValue(userName)); if (rows.size( ) == 0) { // New user. Insert StringBuffer sb = new StringBuffer( ); sb.append(”INSERT INTO Employee “). append(”(Password, FirstName, LastName, Dept, “). append(”EmpDate, EmailAddr, ModDate, UserName) “). append(”VALUES(?, ?, ?, ?, ?, ?, ?, ?)”); sqlCommandBean.setSqlValue(sb.toString( )); } else { // Existing user. Update StringBuffer sb = new StringBuffer( ); sb.append(”UPDATE Employee “). append(”SET Password = ?, FirstName = ?, “). append(”LastName = ?, Dept = ?, EmpDate = ?, “). append(”EmailAddr = ?, ModDate = ? “). append(”WHERE UserName = ?”); sqlCommandBean.setSqlValue(sb.toString( )); } sqlCommandBean.executeUpdate( ); } catch (SQLException e) { throw new JspException(”SQL error: ” + e.getMessage( )); } catch (UnsupportedTypeException e) { throw new JspException(”Query result error: ” + e.getMessage( )); } catch (ParseException e) { throw new JspException(”Invalid empDate format: ” + e.getMessage( )); } finally { try { if (conn != null) { conn.close( ); } } catch (SQLException e) { // Ignore } } return EVAL_PAGE; } public void release( ) { dataSourceName = null; super.release( ); } } This tag handler has one property, named dataSource. It’s marked as required in the TLD for the tag, so it will always be set: … saveEmployeeInfo com.mycompany.tags.SaveEmployeeInfoTag empty dataSource true … page 258
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