Access to EHS data from system outside of SAP

We are creating a Formulation tool in a SQL database with a Access front end which will need to use EHS Specification data and eventually push the Formulation data back into the SAP EHS Spec database.
I would like this new database to have Real-Time access to SAP data. We currently are using RFC connections with tools such as EASY-Expert and a external Rules based program Atrion as well, so I know it is possible to feed this data back and forth using XML files.
Any advice on how I should proceed and maybe some external tools for purchase that will help me do this.

Hi Beverly,
it is possible to access EH&S data from outside SAP by using the standard SAP BAPIs (e.g. BAPI_BUS1077_GETDETAIL for reading EH&S data) which are RFC enabled. Another possibility would be to develop your own RFC enabled function modules in the SAP system and call them from outside.
From your access database you can use VBA to perform the RFC call.
Best regards,
Andreas

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    attaching program with revised code included, see beginning of calculation method line 250:
    import javax.swing.*;
    import javax.swing.event.*;
    import java.awt.*;
    import java.awt.event.* ;
    import java.text.NumberFormat;
    import java.text.DecimalFormat;
    import java.io.*;
    import javax.swing.JOptionPane;
    public class Workshop5 extends JFrame implements ActionListener
         //declare gui components
        //declare labels
        JPanel contentPane = new JPanel();
         JPanel graphPane = new JPanel();
         JLabel instructionLabel = new JLabel();
            JLabel amountLabel = new JLabel();
        JLabel orLabel = new JLabel();
        JLabel comboBoxLabel = new JLabel();
        JLabel termLabel = new JLabel();
        JLabel rateLabel = new JLabel();
        JLabel calcLabel = new JLabel();
        JLabel paymentLabel = new JLabel();
        JLabel tableLabel = new JLabel();
        //declare font object
        Font labelFont = new Font("Tahoma", Font.PLAIN, 16);
        //declare text fields
        JTextField amountField = new JTextField(20);
        JTextField termField = new JTextField(20);
        JTextField rateField = new JTextField(20);
        JTextField paymentField= new JTextField(20);
        //declare combo box for loan selection
        JComboBox comboBox = new JComboBox();
            //declare button group and radio buttons
            ButtonGroup buttonGroup = new ButtonGroup();
            JRadioButton enterRadioButton = new JRadioButton("Enter amount, term, & rate", true);
            JRadioButton selectRadioButton = new JRadioButton("Select a preset term/rate loan", false);
        //declare button objects
        JButton clearButton = new JButton();
            JButton calcButton = new JButton();
            JButton quitButton = new JButton();
        //declare text area for amortization
        JTextArea amortTextArea = new JTextArea();
        JTextArea testTextArea = new JTextArea();
        //declare scroll bar for amortization table
        JScrollPane scrollPane = new JScrollPane(amortTextArea, ScrollPaneConstants.VERTICAL_SCROLLBAR_ALWAYS,ScrollPaneConstants.HORIZONTAL_SCROLLBAR_AS_NEEDED);
         public Workshop5()
             instructionLabel.setText("Choose one of the following payment calculation options:");
            instructionLabel.setFont(new Font("Tahoma",Font.PLAIN,16));
            //adds both buttons to button group
            buttonGroup.add(enterRadioButton);
            buttonGroup.add (selectRadioButton);
            enterRadioButton.setFont(labelFont);
            enterRadioButton.setBackground(Color.WHITE);
            enterRadioButton.setContentAreaFilled(false);
            enterRadioButton.addActionListener(this); //adds action listener to enter radio button
            orLabel.setText("OR");
            orLabel.setFont(new Font("Tahoma",Font.BOLD,18));
            selectRadioButton.setFont(labelFont);
            selectRadioButton.setBackground(Color.WHITE);
            selectRadioButton.setContentAreaFilled(false);
            selectRadioButton.addActionListener (this); //adds action listener to select radio button
              amountLabel.setText("Enter mortgage amount");
            amountLabel.setFont(new Font("Tahoma", Font.PLAIN,16));
            amountField.requestFocusInWindow();
            termLabel.setText("Enter term length in years:");
            termLabel.setFont(new Font("Tahoma", Font.PLAIN,14));
            rateLabel.setText("Enter interest rate:");
            rateLabel.setFont(new Font("Tahoma", Font.PLAIN,14));
            comboBoxLabel.setText("Select a loan:");
            comboBoxLabel.setFont(new Font("Tahoma", Font.PLAIN,14));
            comboBox.setBackground(new Color(255,255,255));
            comboBox.setFont(new Font("Tahoma", Font.PLAIN, 14));
            comboBox.setEnabled(false);
            ComboBox();
            calcLabel.setText("Press Calculate button to determine monthly payment.");
            calcLabel.setFont(new Font("Tahoma", Font.PLAIN, 16));
            calcButton.setText("Calculate");
            calcButton.setFont(new Font("Tahoma", Font.BOLD, 14));
            calcButton.setBackground(new Color(202,255,112));
            calcButton.addActionListener(this);
            //define monthly payment label
            paymentLabel.setText("Monthly payment:");
            paymentLabel.setFont(new Font("Tahoma", Font.PLAIN, 16));
            //define monthly payment text field
            paymentField.setFont (new Font("Tahoma", Font.BOLD,16));
            paymentField.setBackground(new Color(255,255,255));
            paymentField.setEditable(false);
              //define clear button
            clearButton.setText("Clear");
            clearButton.setFont(new Font("Tahoma", Font.BOLD,14));
            clearButton.setBackground(new Color(202,255,112));
            clearButton.addActionListener(this);
            //define quit button
            quitButton.setText("Quit");
            quitButton.setFont(new Font("Tahoma", Font.BOLD,14));
            quitButton.setBackground(new Color(202,255,112));
            quitButton.addActionListener(this);
              //define label for amortization table
            tableLabel.setText ("Amoritization Table");
              tableLabel.setFont(new Font("Tahoma", Font.BOLD, 16));
            graphPane.setBackground(Color.WHITE);
            //add components to content
            getContentPane().add(contentPane);
            contentPane.setLayout(null);
              addComponent(contentPane, instructionLabel, 80,10,450,26);
            addComponent(contentPane, enterRadioButton, 30,40,220,30);
            addComponent(contentPane, orLabel, 280,40,100,30);
            addComponent(contentPane, selectRadioButton, 335,40,350,30);
            addComponent(contentPane, amountLabel, 100,80,220,26);
            addComponent(contentPane, amountField, 300,80,150,26);
            addComponent(contentPane, termLabel, 15,125,200,30);
            addComponent(contentPane, termField, 195,125,125,30);
            addComponent(contentPane, rateLabel, 62,160,200,30);
            addComponent(contentPane, rateField, 195,165,125,30);
            addComponent(contentPane, comboBoxLabel, 400,125,200,26);
            addComponent(contentPane, comboBox, 400,155,150,30);
            addComponent(contentPane, calcLabel, 100,200,400,30);
            addComponent(contentPane, calcButton, 250,240,100,30);
            addComponent(contentPane, paymentLabel, 150,285,200,30);
            addComponent(contentPane, paymentField, 300,285,100,30);
            addComponent(contentPane, clearButton, 100,330,100,30);
            addComponent(contentPane, quitButton, 400,330,100,30);
            addComponent(contentPane, tableLabel, 200,370,300,26);
            addComponent(contentPane, scrollPane, 10,400,450,360);
            addComponent(contentPane, graphPane, 475,400,305,360);
            //add window listener to close window when user presses X
            addWindowListener(new WindowAdapter()
                 public void windowClosing(WindowEvent e)
                      System.exit(0);
            pack();
           //method to add components
           private void addComponent(Container container, Component c, int x, int y, int width, int height)
                   c.setBounds(x, y, width, height);
                   container.add(c);
           //action performed method
           public void actionPerformed(ActionEvent event)
                   Object source = event.getSource();
                   if (source == calcButton)
                           Calculate();
                   if (source == clearButton)
                           Clear();
                   if (source == quitButton)
                           Exit();
                   //defines active area based on user selection of mortgage calculation method
                   //if user chooses to enter the mortgage manually, combo box fields are inactive
                   if (source == enterRadioButton)
                           comboBox.setEnabled(false);
                           termField.setEnabled(true);
                   termField.setEditable(true);
                   rateField.setEnabled(true);
                   rateField.setEditable(true);
                   amountField.setText ("");
                           amountField.requestFocusInWindow();
                           termField.setText("");
                       rateField.setText("");
                       paymentField.setText ("");
                       amortTextArea.setText("");
                   //if user chooses to select from a preset mortgage, rate and term fields are inactive
                   if (source == selectRadioButton)
                           comboBox.setEnabled(true);
                           termField.setEnabled(false);
                           termField.setEditable(false);
                           rateField.setEnabled (false);
                           rateField.setEditable(false);
                           amountField.setText("");
                           amountField.requestFocusInWindow();
                           termField.setText ("");
                           rateField.setText("");
                           paymentField.setText("");
                           amortTextArea.setText("");
           }//end of action performed method
           //combo box method
            public void ComboBox()
                   String[] LoanArray = {" 7 years at 5.35 %", " 15 years at 5.50 %", " 30 years at 5.75 %"};
                   for (int i = 0; i < LoanArray.length; i++)
                           comboBox.addItem(LoanArray);
    }//end combo box method
    //calculation method
         void Calculate()
              //resets fields
              paymentField.setText("");
              amortTextArea.setText("");
              //calculation variables
              NumberFormat currency = NumberFormat.getCurrencyInstance();
              //declare input stream object
              InputStream istream;
              //create a file object to refer to the outside file
              File interestData = new File("InterestFile.dat");
              //assign instream to the new file object
              istream = new FileInputStream(interestData);
              try
                   StringBuffer sb = new StringBuffer();
                   BufferedReader in = new BufferedReader(new FileReader(interestData));
                   String line = "";
                   while((line = in.readLine()) != null)
                        sb.append(line);
                   in.close();
                   String fileData = sb.toString();
                   String[] splitData = fileData.split(", ");
                   double [] yearlyInterestArray = new double[splitData.length()];
                   for(int j = 0; j < splitData.length(); j++)
                        yearlyInterestArray[j] = new Double(splitData[j]).doubleValue();
              catch (IOException e)
                   JOptionPane.showMessageDialog(null, "File does not exist." + e.getMessage());
              int [] termArray = {7, 15, 30}; //array of years
              double [] yearlyInterestArray = { 5.35, 5.5, 5.75}; //array of interest
              int totalMonths = 0; //total months
              double Loan = 0.0; //amount of loan
              double MonthlyInterest = 0.0; //monthly interest rate
              double Payment = 0.0; //calculate payment
    double monthlyPayment = 0.0; //calculate monthly payment
    double Interest = 0.0; //variable for Interest Array input
    int Term = 0; //variable for Term Array input
    double NewMonthlyInterest = 0.0; //new interest amount
    double NewLoan = 0.0; //new loan amount
    double Reduction = 0.0; //principle reduction
    //validate input
    try
         Loan = Double.parseDouble(amountField.getText());
    catch (NumberFormatException e)
         JOptionPane.showMessageDialog(null,"Invalid Entry. Please enter valid loan amount.", "Error", JOptionPane.WARNING_MESSAGE);
    //resets input fields after error message
    amountField.setText("");
    amountField.requestFocusInWindow ();
              //if select button is chosen
              if (selectRadioButton.isSelected())
                   int index = comboBox.getSelectedIndex ();
                   Term = termArray[index];
                   Interest = yearlyInterestArray[index];
              //if user chooses to enter mortgage information
              else
                   if (enterRadioButton.isSelected())
              //validates input
              try
                   Term = Integer.parseInt(termField.getText());
    catch (NumberFormatException e)
         JOptionPane.showMessageDialog(null,"Invalid entry. Please enter valid term length in years.", "Error",JOptionPane.WARNING_MESSAGE);
         //clears fields after error message
         termField.setText("");
         termField.requestFocusInWindow();
    try
         Interest = Double.parseDouble(rateField.getText());
    catch (NumberFormatException e)
         JOptionPane.showMessageDialog(null,"Invalid entry. Please enter valid rate (without percent symbol).","Error",JOptionPane.WARNING_MESSAGE);
         //clears fields after error message
         rateField.setText("");
         rateField.requestFocusInWindow();
              //perform calculations
              if (Loan > 0)
                   Loan = Double.parseDouble(amountField.getText ());
                   MonthlyInterest = (Interest / 12)/100;
                   totalMonths = Term * 12;
                   monthlyPayment = Loan * MonthlyInterest *(Math.pow ((1 + MonthlyInterest), totalMonths)/(Math.pow((1 + MonthlyInterest), totalMonths)-1));
    paymentField.setText("" + currency.format(monthlyPayment));
    //send information to amortization text area
    amortTextArea.append("Number\t");
    amortTextArea.append(" Amount\t");
    amortTextArea.append("Interest\t");
    amortTextArea.append("Principle\t");
    amortTextArea.append("Balance\n");
                   NewLoan = Loan;
                   for (int i = 1; i <= totalMonths; i++)
         NewMonthlyInterest = MonthlyInterest * NewLoan;
         Reduction = monthlyPayment - NewMonthlyInterest;
         NewLoan = NewLoan - Reduction;
         amortTextArea.append(" " + i +"\t");
         amortTextArea.append (" " + currency.format(monthlyPayment) + "\t");
         amortTextArea.append(" " + currency.format(NewMonthlyInterest)+ "\t");
         amortTextArea.append(" " + currency.format(Reduction) + "\t");
         amortTextArea.append(" " + currency.format(NewLoan) + "\n");
    //resets fields if loan amount is less than zero
    if((Loan <= 0 || Term <= 0 || Interest <= 0))
         paymentField.setText("");
         amortTextArea.setText("");
         }//end calcualtion method
    //clear method
    void Clear()
    amountField.setText("");
    amountField.requestFocusInWindow();
    termField.setText("");
    rateField.setText("");
    paymentField.setText("");
    amortTextArea.setText("");
    }//end of clear method
    //main method
    public static void main(String args[])
    Workshop5 f = new Workshop5();
    f.setTitle("Carol's Mortgage Calculator");
    f.setBounds(200,100,800,800);
    f.setResizable(false);
    f.setVisible(true);
    }//end of main method
    //exit method
    void Exit()
    System.exit(0);
    }//end of exit method
    }//program end

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