Package org.apache.jmeter.protocol.http.gui

Source Code of org.apache.jmeter.protocol.http.gui.HeaderPanel

/*
* ====================================================================
* The Apache Software License, Version 1.1
*
* Copyright (c) 2001,2003 The Apache Software Foundation.  All rights
* reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. The end-user documentation included with the redistribution,
* if any, must include the following acknowledgment:
* "This product includes software developed by the
* Apache Software Foundation (http://www.apache.org/)."
* Alternately, this acknowledgment may appear in the software itself,
* if and wherever such third-party acknowledgments normally appear.
*
* 4. The names "Apache" and "Apache Software Foundation" and
* "Apache JMeter" must not be used to endorse or promote products
* derived from this software without prior written permission. For
* written permission, please contact apache@apache.org.
*
* 5. Products derived from this software may not be called "Apache",
* "Apache JMeter", nor may "Apache" appear in their name, without
* prior written permission of the Apache Software Foundation.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED.  IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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* SUCH DAMAGE.
* ====================================================================
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the Apache Software Foundation.  For more
* information on the Apache Software Foundation, please see
* <http://www.apache.org/>.
*/
package org.apache.jmeter.protocol.http.gui;
import java.awt.BorderLayout;
import java.awt.Dimension;
import java.awt.GridBagConstraints;
import java.awt.GridBagLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.FocusEvent;
import java.awt.event.FocusListener;
import java.io.File;
import java.io.IOException;

import javax.swing.BorderFactory;
import javax.swing.JButton;
import javax.swing.JDialog;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.JTable;
import javax.swing.JTextField;
import javax.swing.ListSelectionModel;
import javax.swing.table.AbstractTableModel;
import javax.swing.table.TableCellEditor;

import org.apache.jmeter.config.gui.AbstractConfigGui;
import org.apache.jmeter.gui.util.FileDialoger;
import org.apache.jmeter.protocol.http.control.Header;
import org.apache.jmeter.protocol.http.control.HeaderManager;
import org.apache.jmeter.testelement.TestElement;
import org.apache.jmeter.util.JMeterUtils;
import org.apache.log.Hierarchy;
import org.apache.log.Logger;

/****************************************
* Allows the user to specify if she needs HTTP header services, and give
* parameters for this service.
*
*@author    $Author: jeremy_a $
*@created   $Date: 2003/04/27 23:04:34 $
*@version   $Revision: 1.10 $
***************************************/
public class HeaderPanel extends AbstractConfigGui implements ActionListener,FocusListener
{
  transient private static Logger log = Hierarchy.getDefaultHierarchy().getLoggerFor(
      "jmeter.protocol.http");

    private static final String ADD_COMMAND = "Add";
    private static final String DELETE_COMMAND = "Delete";
    private static final String LOAD_COMMAND = "Load";
    private static final String SAVE_COMMAND = "Save";

  private InnerTableModel tableModel;

  /****************************************
   * A table to show the authentication information
   ***************************************/
  private JTable headerTable;

  private JButton addButton;
  private JButton deleteButton;
  private JButton loadButton;
  private JButton saveButton;

  /****************************************
   * Default constructor
   ***************************************/
  public HeaderPanel()
  {
    tableModel = new InnerTableModel();
    init();
  }

  /****************************************
   * !ToDo (Method description)
   *
   *@return   !ToDo (Return description)
   ***************************************/
  public TestElement createTestElement()
  {
    HeaderManager headerManager = tableModel.manager;
    configureTestElement(headerManager);
    return (TestElement)headerManager.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)
    {
        el.clear();
        el.addTestElement(tableModel.manager);
        configureTestElement(el);
    }

  /****************************************
   * !ToDo (Method description)
   *
   *@param el  !ToDo (Parameter description)
   ***************************************/
  public void configure(TestElement el)
  {
        tableModel.manager.clear();
    super.configure(el);
        tableModel.manager.addTestElement((HeaderManager)el);
  }

  /****************************************
   * !ToDoo (Method description)
   *
   *@return   !ToDo (Return description)
   ***************************************/
  public String getStaticLabel()
  {
    return JMeterUtils.getResString("header_manager_title");
  }

  /****************************************
   * Gets a HeaderManager to manage the file that is currently selected. Null is
   * returned if no file is currently selected. Null will also be returned if
   * there is a problem reading the file while getting the HeaderManager.
   *
   *@returns   A HeaderManager for the current file, or null public HeaderManager
   *      getHeaderMgr() { return manager; }
   ***************************************/

  /****************************************
   * Shows the main header configuration panel
   ***************************************/
  public void init()
  {
        setLayout(new BorderLayout());
        setBorder(makeBorder());
       
        add(makeTitlePanel(), BorderLayout.NORTH);
        add(createHeaderTablePanel(), BorderLayout.CENTER);
  }

  /****************************************
   * Description of the Method
   *
   *@param e  Description of Parameter
   ***************************************/
  public void actionPerformed(ActionEvent e)
  {
    String action = e.getActionCommand();

    if(action.equals("Delete"))
    {
      if(tableModel.getRowCount() > 0)
      {
        // If a table cell is being edited, we must cancel the editing before
        // deleting the row
        if(headerTable.isEditing())
        {
          TableCellEditor cellEditor = headerTable.getCellEditor(headerTable.getEditingRow(), headerTable.getEditingColumn());
          cellEditor.cancelCellEditing();
        }

        int rowSelected = headerTable.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;
            }

            headerTable.setRowSelectionInterval(rowToSelect, rowToSelect);
          }
        }
      }
    }
    else if(action.equals("Add"))
    {
      // If a table cell is being edited, we should accept the current value
      // and stop the editing before adding a new row.
      if(headerTable.isEditing())
      {
        TableCellEditor cellEditor = headerTable.getCellEditor(headerTable.getEditingRow(), headerTable.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;
      headerTable.setRowSelectionInterval(rowToSelect, rowToSelect);
    }
    else if(action.equals("Load"))
    {
      try
      {
        File tmp = FileDialoger.promptToOpenFile().getSelectedFile();
        if(tmp != null)
        {
          tableModel.manager.addFile(tmp.getAbsolutePath());
          tableModel.fireTableDataChanged();

          if(tableModel.getRowCount() > 0)
          {
            deleteButton.setEnabled(true);
            saveButton.setEnabled(true);
          }
        }
      }
      catch(IOException ex)
      {
        log.error("",ex);
      }
      catch(NullPointerException err){}
    }
    else if(action.equals("Save"))
    {
      try
      {
        File tmp = FileDialoger.promptToSaveFile(null).getSelectedFile();
        if(tmp != null)
        {
          tableModel.manager.save(tmp.getAbsolutePath());
        }
      }
      catch(IOException ex)
      {
        log.error("",ex);
      }
      catch(NullPointerException err){}
    }
  }

  /****************************************
   * !ToDo (Method description)
   *
   *@return   !ToDo (Return description)
   ***************************************/
  public JPanel createHeaderTablePanel()
  {
    // create the JTable that holds header per row
    headerTable = new JTable(tableModel);
    headerTable.addFocusListener(this);
    headerTable.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
        headerTable.setPreferredScrollableViewportSize(new Dimension(100, 70));

        JPanel panel = new JPanel(new BorderLayout(0, 5));
        panel.setBorder(BorderFactory.createTitledBorder(BorderFactory.createEtchedBorder(), JMeterUtils.getResString("headers_stored")));
        panel.add(new JScrollPane(headerTable), BorderLayout.CENTER);
    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);
        deleteButton = createButton("delete", 'D', DELETE_COMMAND, !tableEmpty);
        loadButton = createButton("load", 'L', LOAD_COMMAND, true);
        saveButton = createButton("save", 'S', SAVE_COMMAND, !tableEmpty);

        JPanel buttonPanel = new JPanel();
        buttonPanel.add(addButton);
        buttonPanel.add(deleteButton);
        buttonPanel.add(loadButton);
        buttonPanel.add(saveButton);
        return buttonPanel;
    }

  /****************************************
   * Updates a header record
   *
   *@author    $Author: jeremy_a $
   *@created   $Date: 2003/04/27 23:04:34 $
   *@version   $Revision: 1.10 $
   ***************************************/
  class HeaderUpdater implements ActionListener
  {
    JTextField nameField = new JTextField(20);
    JTextField valueField = new JTextField(20);
    JButton ok = new JButton("Ok");
    JButton cancel = new JButton("Cancel");
    int index;

    JDialog updateDialog;

    /****************************************
     * !ToDo (Constructor description)
     ***************************************/
    public HeaderUpdater() { }

    /****************************************
     * returns the contructed panel containing the header record
     *
     *@return   !ToDo (Return description)
     ***************************************/
    public JPanel getPanel()
    {
      JPanel main = new JPanel();
      GridBagLayout g = new GridBagLayout();

      main.setLayout(g);
      GridBagConstraints c = new GridBagConstraints();
      c.fill = GridBagConstraints.BOTH;
      c.gridwidth = 1;
      c.gridheight = 1;
      JLabel nameLabel = new JLabel(JMeterUtils.getResString("name") + ":");
      c.gridx = 1;
      c.gridy = 1;
      g.setConstraints(nameLabel, c);
      main.add(nameLabel);
      JLabel valueLabel = new JLabel(JMeterUtils.getResString("value") + ":");
      c.gridx = 1;
      c.gridy = 2;
      g.setConstraints(valueLabel, c);
      main.add(valueLabel);

      c.gridx = 2;
      c.gridy = 1;
      g.setConstraints(nameField, c);
      main.add(nameField);
      c.gridx = 2;
      c.gridy = 2;
      g.setConstraints(valueField, c);
      main.add(valueField);

      JPanel buttons = new JPanel();
      ok.setPreferredSize(cancel.getPreferredSize());
      buttons.add(ok);
      buttons.add(cancel);
      c.gridwidth = 2;
      c.gridx = 1;
      c.gridy = 7;
      g.setConstraints(buttons, c);
      main.add(buttons);

      return main;
    }

    /****************************************
     * !ToDo (Method description)
     *
     *@param e  !ToDo (Parameter description)
     ***************************************/
    public void actionPerformed(ActionEvent e)
    {
      String command = e.getActionCommand();
      boolean valid = true;
      index = -1;
      if(command.equals("Edit"))
      {
        index = headerTable.getSelectedRow();
        if(index < 0)
        {
          valid = false;
        }
        else
        {
          Header c = tableModel.manager.get(index);
          nameField = new JTextField(c.getName(), 20);
          valueField = new JTextField(c.getValue(), 20);
          ok = new JButton("Ok");
          cancel = new JButton("Cancel");
        }
      }
      else if(command.equals("Add"))
      {
        nameField = new JTextField(20);
        valueField = new JTextField(20);
        ok = new JButton("Ok");
        cancel = new JButton("Cancel");
      }
      if(valid)
      {
        if(updateDialog != null)
        {
          updateDialog.dispose();
        }
        updateDialog = new JDialog();
        updateDialog.setSize(350, 300);

        ok.addActionListener(
          new ActionListener()
          {
            /****************************************
             * !ToDo (Method description)
             *
             *@param ev  !ToDo (Parameter description)
             ***************************************/
            public void actionPerformed(ActionEvent ev)
            {
              int i = index;
              Header c = new Header();
              if(i >= 0)
              {
                c = tableModel.manager.get(index);
              }
              c.setName(nameField.getText());
              c.setValue(valueField.getText());
              if(i < 0)
              {
                tableModel.manager.add(c);
              }
              tableModel.fireTableDataChanged();
              updateDialog.dispose();
            }
          });
        cancel.addActionListener(
          new ActionListener()
          {
            /****************************************
             * !ToDo (Method description)
             *
             *@param ev  !ToDo (Parameter description)
             ***************************************/
            public void actionPerformed(ActionEvent ev)
            {
              updateDialog.dispose();
            }
          });
        updateDialog.getContentPane().add(getPanel());
        updateDialog.show();
      }
    }
  }
 
  public void focusGained(FocusEvent e)
  {
  }
 
  public void focusLost(FocusEvent e)
  {
    try {
      headerTable.getCellEditor().stopCellEditing();
    } catch (RuntimeException err) {
    }
  }

  /****************************************
   * !ToDo (Class description)
   *
   *@author    $Author: jeremy_a $
   *@created   $Date: 2003/04/27 23:04:34 $
   *@version   $Revision: 1.10 $
   ***************************************/
  private class InnerTableModel extends AbstractTableModel
  {
    HeaderManager manager;

    /****************************************
     * !ToDo (Constructor description)
     *
     *@param man  !ToDo (Parameter description)
     ***************************************/
    public InnerTableModel(HeaderManager man)
    {
      manager = man;
    }

    /****************************************
     * !ToDo (Constructor description)
     ***************************************/
    public InnerTableModel()
    {
      manager = new HeaderManager();
    }

    /****************************************
     * !ToDo (Method description)
     *
     *@param row  !ToDo (Parameter description)
     ***************************************/
    public void removeRow(int row)
    {
      manager.remove(row);
    }

    /****************************************
     * !ToDo
     ***************************************/
    public void addNewRow()
    {
      manager.add();
    }

    /****************************************
     * !ToDoo (Method description)
     *
     *@param row     !ToDo (Parameter description)
     *@param column  !ToDo (Parameter description)
     *@return        !ToDo (Return description)
     ***************************************/
    public boolean isCellEditable(int row, int column)
    {
      // all table cells are editable
      return true;
    }

    /****************************************
     * !ToDoo (Method description)
     *
     *@param column  !ToDo (Parameter description)
     *@return        !ToDo (Return description)
     ***************************************/
    public Class getColumnClass(int column)
    {
      return getValueAt(0, column).getClass();
    }

    /****************************************
     * required by table model interface
     *
     *@return   !ToDo (Return description)
     ***************************************/
    public int getRowCount()
    {
      return manager.getHeaders().size();
    }

    /****************************************
     * required by table model interface
     *
     *@return   !ToDo (Return description)
     ***************************************/
    public int getColumnCount()
    {
      return manager.getColumnCount();
    }

    /****************************************
     * required by table model interface
     *
     *@param column  !ToDo (Parameter description)
     *@return        !ToDo (Return description)
     ***************************************/
    public String getColumnName(int column)
    {
      return manager.getColumnName(column);
    }

    /****************************************
     * required by table model interface
     *
     *@param row     !ToDo (Parameter description)
     *@param column  !ToDo (Parameter description)
     *@return        !ToDo (Return description)
     ***************************************/
    public Object getValueAt(int row, int column)
    {
      Header head = manager.getHeader(row);
      if(column == 0)
      {
        return head.getName();
      }
      else if(column == 1)
      {
        return head.getValue();
      }
      return null;
    }

    /****************************************
     * !ToDo (Method description)
     *
     *@param value   !ToDo (Parameter description)
     *@param row     !ToDo (Parameter description)
     *@param column  !ToDo (Parameter description)
     ***************************************/
    public void setValueAt(Object value, int row, int column)
    {
      Header header = manager.getHeader(row);

      if(column == 0)
      {
        header.setName((String)value);
      }
      else if(column == 1)
      {
        header.setValue((String)value);
      }
    }

  }
}
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