@@ -, +, @@ 
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 */
 * Handles input for determining if authentication services are required for a
 * Sampler. It also understands how to get AuthManagers for the files that the
 * user selects.
 */
    private static final long serialVersionUID = -9214884465261470761L;
    private static final Logger log = LoggingManager.getLoggerForClass();
    private static final String ADD_COMMAND = "Add"; //$NON-NLS-1$
    private static final String DELETE_COMMAND = "Delete"; //$NON-NLS-1$
    private static final String LOAD_COMMAND = "Load"; //$NON-NLS-1$
    private static final String SAVE_COMMAND = "Save"; //$NON-NLS-1$
    private InnerTableModel tableModel;
    /**
     * A table to show the authentication information.
     */
    private JTable authTable;
    private JButton addButton;
    private JButton deleteButton;
    private JButton loadButton;
    private JButton saveButton;
    /**
     * Default Constructor.
     */
    public AuthPanel() {
        tableModel = new InnerTableModel();
        init();
    }
    public TestElement createTestElement() {
        AuthManager authMan = tableModel.manager;
        configureTestElement(authMan);
        return (TestElement) authMan.clone();
    }
    /**
     * Modifies a given TestElement to mirror the data in the gui components.
     *
     * @see org.apache.jmeter.gui.JMeterGUIComponent#modifyTestElement(TestElement)
     */
    public void modifyTestElement(TestElement el) {
        if (authTable.isEditing()) {
            authTable.getCellEditor().stopCellEditing();
        }
        el.clear();
        el.addTestElement((TestElement) tableModel.manager.clone());
        configureTestElement(el);
    }
    /**
     * Implements JMeterGUIComponent.clear
     */
    @Override
    public void clearGui() {
        super.clearGui();
        tableModel.clearData();
        deleteButton.setEnabled(false);
        saveButton.setEnabled(false);
    }
    @Override
    public void configure(TestElement el) {
        super.configure(el);
        tableModel.manager.clear();
        tableModel.manager.addTestElement((AuthManager) el.clone());
        if (tableModel.getRowCount() != 0) {
            deleteButton.setEnabled(true);
            saveButton.setEnabled(true);
        }
    }
    public String getLabelResource() {
        return "auth_manager_title"; //$NON-NLS-1$
    }
    /**
     * Shows the main authentication panel for this object.
     */
    private void init() {// called from ctor, so must not be overridable
        setLayout(new BorderLayout());
        setBorder(makeBorder());
        add(makeTitlePanel(), BorderLayout.NORTH);
        add(createAuthTablePanel(), BorderLayout.CENTER);
    }
    public void actionPerformed(ActionEvent e) {
        String action = e.getActionCommand();
        if (action.equals(DELETE_COMMAND)) {
            if (tableModel.getRowCount() > 0) {
                // If a table cell is being edited, we must cancel the editing
                // before deleting the row.
                if (authTable.isEditing()) {
                    TableCellEditor cellEditor = authTable.getCellEditor(authTable.getEditingRow(), authTable
                            .getEditingColumn());
                    cellEditor.cancelCellEditing();
                }
                int rowSelected = authTable.getSelectedRow();
                if (rowSelected != -1) {
                    tableModel.removeRow(rowSelected);
                    tableModel.fireTableDataChanged();
                    // Disable the DELETE and SAVE buttons if no rows remaining
                    // after delete.
                    if (tableModel.getRowCount() == 0) {
                        deleteButton.setEnabled(false);
                        saveButton.setEnabled(false);
                    }
                    // Table still contains one or more rows, so highlight
                    // (select) the appropriate one.
                    else {
                        int rowToSelect = rowSelected;
                        if (rowSelected >= tableModel.getRowCount()) {
                            rowToSelect = rowSelected - 1;
                        }
                        authTable.setRowSelectionInterval(rowToSelect, rowToSelect);
                    }
                }
            }
        } else if (action.equals(ADD_COMMAND)) {
            // If a table cell is being edited, we should accept the current
            // value and stop the editing before adding a new row.
            if (authTable.isEditing()) {
                TableCellEditor cellEditor = authTable.getCellEditor(authTable.getEditingRow(), authTable
                        .getEditingColumn());
                cellEditor.stopCellEditing();
            }
            tableModel.addNewRow();
            tableModel.fireTableDataChanged();
            // Enable the DELETE and SAVE buttons if they are currently
            // disabled.
            if (!deleteButton.isEnabled()) {
                deleteButton.setEnabled(true);
            }
            if (!saveButton.isEnabled()) {
                saveButton.setEnabled(true);
            }
            // Highlight (select) the appropriate row.
            int rowToSelect = tableModel.getRowCount() - 1;
            authTable.setRowSelectionInterval(rowToSelect, rowToSelect);
        } else if (action.equals(LOAD_COMMAND)) {
            try {
                final String [] _txt={".txt"}; //$NON-NLS-1$
                final JFileChooser dialog = FileDialoger.promptToOpenFile(_txt);
                if (dialog != null) {
                    tableModel.manager.addFile(dialog.getSelectedFile().getAbsolutePath());
                    tableModel.fireTableDataChanged();
                    if (tableModel.getRowCount() > 0) {
                        deleteButton.setEnabled(true);
                        saveButton.setEnabled(true);
                    }
                }
            } catch (IOException ex) {
                log.error("", ex);
            }
        } else if (action.equals(SAVE_COMMAND)) {
            try {
                final JFileChooser chooser = FileDialoger.promptToSaveFile("auth.txt"); //$NON-NLS-1$
                if (chooser != null) {
                    tableModel.manager.save(chooser.getSelectedFile().getAbsolutePath());
                }
            } catch (IOException ex) {
                log.error("", ex);
            }
        }
    }
    public JPanel createAuthTablePanel() {
        // create the JTable that holds auth per row
        authTable = new JTable(tableModel);
        authTable.getTableHeader().setDefaultRenderer(new HeaderAsPropertyRenderer());
        authTable.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
        authTable.setPreferredScrollableViewportSize(new Dimension(100, 70));
        TableColumn passwordColumn = authTable.getColumnModel().getColumn(AuthManager.COL_PASSWORD);
        /*
         * In order to allow readble editing of the password field, thw following row is commented out.
         */
        //passwordColumn.setCellEditor(new DefaultCellEditor(new JPasswordField()));
        passwordColumn.setCellRenderer(new PasswordCellRenderer());
        JPanel panel = new JPanel(new BorderLayout(0, 5));
        panel.setBorder(BorderFactory.createTitledBorder(BorderFactory.createEtchedBorder(),
                JMeterUtils.getResString("auths_stored"))); //$NON-NLS-1$
        panel.add(new JScrollPane(authTable));
        panel.add(createButtonPanel(), BorderLayout.SOUTH);
        return panel;
    }
    private JButton createButton(String resName, char mnemonic, String command, boolean enabled) {
        JButton button = new JButton(JMeterUtils.getResString(resName));
        button.setMnemonic(mnemonic);
        button.setActionCommand(command);
        button.setEnabled(enabled);
        button.addActionListener(this);
        return button;
    }
    private JPanel createButtonPanel() {
        boolean tableEmpty = (tableModel.getRowCount() == 0);
        addButton = createButton("add", 'A', ADD_COMMAND, true); //$NON-NLS-1$
        deleteButton = createButton("delete", 'D', DELETE_COMMAND, !tableEmpty); //$NON-NLS-1$
        loadButton = createButton("load", 'L', LOAD_COMMAND, true); //$NON-NLS-1$
        saveButton = createButton("save", 'S', SAVE_COMMAND, !tableEmpty); //$NON-NLS-1$
        // Button Panel
        JPanel buttonPanel = new JPanel();
        buttonPanel.add(addButton);
        buttonPanel.add(deleteButton);
        buttonPanel.add(loadButton);
        buttonPanel.add(saveButton);
        return buttonPanel;
    }
    private static class InnerTableModel extends AbstractTableModel {
        private static final long serialVersionUID = 4638155137475747946L;
        final AuthManager manager;
        public InnerTableModel() {
            manager = new AuthManager();
        }
        public void clearData() {
            manager.clear();
            fireTableDataChanged();
        }
        public void removeRow(int row) {
            manager.remove(row);
        }
        public void addNewRow() {
            manager.addAuth();
        }
        @Override
        public boolean isCellEditable(int row, int column) {
            // all table cells are editable
            return true;
        }
        @Override
        public Class<?> getColumnClass(int column) {
            return getValueAt(0, column).getClass();
        }
        /**
         * Required by table model interface.
         */
        public int getRowCount() {
            return manager.getAuthObjects().size();
        }
        /**
         * Required by table model interface.
         */
        public int getColumnCount() {
            return manager.getColumnCount();
        }
        /**
         * Required by table model interface.
         */
        @Override
        public String getColumnName(int column) {
            return manager.getColumnName(column);
        }
        /**
         * Required by table model interface.
         */
        public Object getValueAt(int row, int column) {
            Authorization auth = manager.getAuthObjectAt(row);
            switch (column){
                case AuthManager.COL_URL:
                    return auth.getURL();
                case AuthManager.COL_USERNAME:
                    return auth.getUser();
                case AuthManager.COL_PASSWORD:
                    return auth.getPass();
                case AuthManager.COL_DOMAIN:
                    return auth.getDomain();
                case AuthManager.COL_REALM:
                    return auth.getRealm();
                default:
                    return null;
            }
        }
        @Override
        public void setValueAt(Object value, int row, int column) {
            Authorization auth = manager.getAuthObjectAt(row);
            log.debug("Setting auth value: " + value);
            switch (column){
                case AuthManager.COL_URL:
                    auth.setURL((String) value);
                    break;
                case AuthManager.COL_USERNAME:
                    auth.setUser((String) value);
                    break;
                case AuthManager.COL_PASSWORD:
                    auth.setPass((String) value);
                    break;
                case AuthManager.COL_DOMAIN:
                    auth.setDomain((String) value);
                    break;
                case AuthManager.COL_REALM:
                    auth.setRealm((String) value);
                    break;
                default:
                    break;
            }
        }
    }
    private static class PasswordCellRenderer extends JPasswordField implements TableCellRenderer {
        private static final long serialVersionUID = 5169856333827579927L;
        private Border myBorder;
        public PasswordCellRenderer() {
            super();
            myBorder = new EmptyBorder(1, 2, 1, 2);
            setOpaque(true);
            setBorder(myBorder);
        }
        public Component getTableCellRendererComponent(JTable table, Object value, boolean isSelected,
                boolean hasFocus, int row, int column) {
            setText((String) value);
            setBackground(isSelected && !hasFocus ? table.getSelectionBackground() : table.getBackground());
            setForeground(isSelected && !hasFocus ? table.getSelectionForeground() : table.getForeground());
            setFont(table.getFont());
            return this;
        }
    }