ldapconfiguration.java

一个完整的XACML工程,学习XACML技术的好例子!

        xmlED.addItem(child, (Element)getParentNode());        
    }
    
    /**
     * Deletes the Currently Selected node from the NodeList.
     */    
    public void deleteItem()
    {
        if (this.getSelectedNode() != null)
        {  
            xmlED.deleteItem((Element)this.getSelectedNode(), ((Element)getParentNode()));
            //Set the TextFields to an empty value
            clearTextFields();
        }
    }
 
    /**
     * Method that resets all the Textfields to empty or a predefined value.
     */
    public void clearTextFields()
    {
        nameTextField.setText("");
        hostTextField.setText("");
        portTextField.setText("389");
        baseDNTextField.setText("");
        usernameTextField.setText("");
        passwordTextField.setText("");
        acTypeTextField.setText("");
        anonCheckBox.setSelected(false);
    }
    
    /**
     * Method that replaces a Selected Node with the contents of the textfields,
     * Provided that the required fields to have a valid LDAP Directory are not
     * empty.
     */
    public void replaceItem()
    {
        if (this.getSelectedNode() != null)
        {
            if (!nameTextField.getText().equals("") && !hostTextField.getText().equals("")
                && !portTextField.getText().equals(""))
            {
                //Setting the New Attributes to Replace --
                String attribs[] = { "Name", "Host", "Version", "Login", "Password", "Port", "BaseDN", "ACType" };
                
                String username;
                String password;
                if(anonCheckBox.isSelected())
                {
                    password = "";
                    username = "";
                }
                else
                {
                    password = new String(passwordTextField.getPassword());
                    username = usernameTextField.getText();
                }
                String values[] = { nameTextField.getText(), hostTextField.getText(), (String)versionComboBox.getSelectedItem(), 
                                    username, password, portTextField.getText(), baseDNTextField.getText(), acTypeTextField.getText() };
                
                Element child = xmlED.DOM.createElement("LDAPDirectory");
                child.setAttribute("Name", nameTextField.getText());
                if (isInPolicy(child) && !((Element)this.getSelectedNode()).getAttribute("Name").equals(nameTextField.getText()))
                {
                    JOptionPane.showMessageDialog(xmlED, ldapConfigError2, errorHeader, JOptionPane.ERROR_MESSAGE);
                    return;
                }                                    
                                    
                xmlED.setAttributeValue((Element)this.getSelectedNode(), attribs, values);
                //----------------------------------------
            }
            else
            {
                JOptionPane.showMessageDialog(xmlED, ldapConfigError1, errorHeader, JOptionPane.ERROR_MESSAGE);
                return;
            } 
        }        
    }
    
    /**
     * Method That Populates the NodeList with the current Connections.
     */
    public void refreshView()
    {
        if (xmlED == null || xmlED.DOM == null) return;
        
        if (getParentNode() != null)
        {            
            NodeList nlist = ((Element)getParentNode()).getElementsByTagName("LDAPDirectory");
            Node n;
            String ldapSpec[] = new String[nlist.getLength()];
            
            for (int i = 0 ; i < nlist.getLength(); i++)
            {
                n = nlist.item(i);   
                ldapSpec[i] = (((Element)n).getAttribute("Name"));
            }
            setNodeList(nlist, ldapSpec);        
        }
    }
    
    /**
     * When the NodeItemList has a selected Element, the contents of that node, 
     * will populate the textfields, so the user will see exactly what is 
     * is the LDAP connection. 
     * <p> 
     * Users might then want to modify the Selected node, and therefore the 
     * refreshed textfields, would just need to be modified.
     * <p>
     * If nothing is selected in the NodeItemList, the textfields are reset
     * using the clearTextFields() method.
     */
    public void itemSelected()
    {      
        Element selectedNode; 
        
        super.itemSelected();
        
        testConnButton.setEnabled(true);
        addButton.setEnabled(false);
        replaceButton.setEnabled(false);
        
        if (getSelectedNode() == null)
        {

            usernameTextField.setEnabled(true);
            passwordTextField.setEnabled(true);
            testConnButton.setEnabled(false);
            clearTextFields();
            return;
        }
        else
        {
            testConnButton.setEnabled(true);
            selectedNode = (Element)getSelectedNode();
            nameTextField.setText(selectedNode.getAttribute("Name")); 
            hostTextField.setText(selectedNode.getAttribute("Host")); 
            portTextField.setText(selectedNode.getAttribute("Port")); 
            versionComboBox.setSelectedItem(selectedNode.getAttribute("Version"));
            if (selectedNode.getAttribute("BaseDN")!=null || !selectedNode.getAttribute("BaseDN").equals("")) baseDNTextField.setText(selectedNode.getAttribute("BaseDN")); 
            if (selectedNode.getAttribute("Login")!=null || !selectedNode.getAttribute("Login").equals("")) usernameTextField.setText(selectedNode.getAttribute("Login")); 
            if (selectedNode.getAttribute("Password")!=null || !selectedNode.getAttribute("Password").equals("")) passwordTextField.setText(selectedNode.getAttribute("Password"));
            if (selectedNode.getAttribute("ACType")!=null || !selectedNode.getAttribute("ACType").equals("")) acTypeTextField.setText(selectedNode.getAttribute("ACType"));
            if (selectedNode.getAttribute("Password").equals("") && selectedNode.getAttribute("Login").equals(""))
            {
                anonCheckBox.setSelected(true);
                passwordTextField.setEnabled(false);
                usernameTextField.setEnabled(false);
            }
            else 
            {
                anonCheckBox.setSelected(false);
                passwordTextField.setEnabled(true);
                usernameTextField.setEnabled(true);
            }
        }
    }
    
    /**
     * The root node of the Current Document.
     *
     * @return   a node with the LDAPConfiguration Element of the 'pe.cfg' XML file.
     */
    public Node getParentNode()
    {
        return xmlED.DOM.getElementsByTagName("LDAPConfiguration").item(0);
    }
    
    public void keyTyped(KeyEvent e)
    {   
    }
    
    /**
     * Method That enables/disables the appropriate buttons when the Text Fields
     * are being typed into.
     */
    public void keyPressed(KeyEvent e)
    {
        if (e.getSource() == hostTextField || e.getSource() == nameTextField ||
            e.getSource() == usernameTextField || e.getSource() == passwordTextField ||
            e.getSource() == baseDNTextField || e.getSource() == portTextField ||
            e.getSource() == acTypeTextField)
        {
            if (this.listBox.getSelectedValue() == null)
            {
                addButton.setEnabled(true);
                testConnButton.setEnabled(false);   
            }
            else 
            {
                replaceButton.setEnabled(true);
                addButton.setEnabled(true);                
                testConnButton.setEnabled(false);
            }
        }
    }
    
    public void keyReleased(KeyEvent e)
    {       
    }     
    
    /**
     * Method that Performs the required Actions when the Checkbox is 
     * set/cleared, and when the test Connection Button is clicked.
     */
    public void actionPerformed(ActionEvent e)
    {
        if (e.getSource() == anonCheckBox)
        {
            if (((JCheckBox)e.getSource()).isSelected())
            {
                usernameTextField.setEnabled(false);
                passwordTextField.setEnabled(false);                
            }
            else 
            {
                usernameTextField.setEnabled(true);
                passwordTextField.setEnabled(true);
            }
            addButton.setEnabled(true);
            replaceButton.setEnabled(true);
        }
        else if (e.getSource() == testConnButton)
        {
            Element selectedNode = (Element)getSelectedNode();
            String name = selectedNode.getAttribute("Name");            
            try
            {
                String host = selectedNode.getAttribute("Host");
                String port = selectedNode.getAttribute("Port");
                String baseDN = selectedNode.getAttribute("BaseDN");
                testLdap.setRoot("ldap://" + host + ":" + port + "/" + baseDN);
                JOptionPane.showMessageDialog(xmlED, ldapConfigSuccess1 + " " + name, infoHeader, JOptionPane.INFORMATION_MESSAGE);
            }
            catch(NamingException ne)
            {
                JOptionPane.showMessageDialog(xmlED, ldapConfigError3 + " " + name + " " + ldapConfigError4, errorHeader, JOptionPane.ERROR_MESSAGE);
                return;
            }            
        }
        else super.actionPerformed(e);
    }
}