serverpanel.java

一个类似于openJMS分布在ObjectWeb之下的JMS消息中间件。

/*
 * Created on May 31, 2003
 *
 * To change the template for this generated file go to
 * Window>Preferences>Java>Code Generation>Code and Comments
 */
/*
 * JORAM: Java(TM) Open Reliable Asynchronous Messaging
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or any later version.
 * 
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 * 
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307
 * USA.
 *
 * Initial developer(s): Alexander Fedorowicz
 * Contributor(s):
 */
package org.objectweb.joram.client.tools.admin;

import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import java.util.*;

import org.objectweb.joram.client.jms.admin.DeadMQueue;


/**
 * @author afedoro
 *
 * To change the template for this generated type comment go to
 * Window>Preferences>Java>Code Generation>Code and Comments
 */
public class ServerPanel extends JPanel {
  private final AdminController c;

  private int id = 0;
  private JLabel idLabel = new JLabel("");
  private JTextField thresholdField = new JTextField(10);
  private JComboBox dmqCombo = new JComboBox();

  public ServerPanel(AdminController c) {
  	super(new BorderLayout());
    this.c = c;

    setBorder(BorderFactory.createEmptyBorder(5, 5, 5, 5));

    JLabel title = new JLabel("Server Information");
    title.setFont(new Font("Arial", Font.BOLD, 18));
    title.setHorizontalAlignment(JLabel.LEFT);
    add(title, BorderLayout.NORTH); 

    Box form = Box.createVerticalBox();
    form.add(Box.createVerticalStrut(25));
    JPanel idPanel = new JPanel(new FlowLayout(FlowLayout.LEFT));
    idPanel.add(new JLabel("Server Id: "));
    idPanel.add(idLabel);
    form.add(idPanel);
    JPanel dtPanel = new JPanel(new FlowLayout(FlowLayout.LEFT));
    dtPanel.add(new JLabel("Default Threshold: "));
    dtPanel.add(thresholdField);
    form.add(dtPanel);
    JPanel dmqPanel = new JPanel(new FlowLayout(FlowLayout.LEFT));
    dmqPanel.add(new JLabel("Default Dead Message Queue: "));
    dmqPanel.add(dmqCombo);
    form.add(dmqPanel);
    form.add(Box.createVerticalStrut(30));

    JButton applyButton = new JButton("Apply Changes"); 
    applyButton.addActionListener(new ApplyActionListener());
    form.add(applyButton, BorderLayout.SOUTH);
    form.add(Box.createVerticalStrut(250));
    add(form, BorderLayout.CENTER);
  }

  private class ApplyActionListener implements ActionListener {
    public void actionPerformed(ActionEvent e) {
      String t = thresholdField.getText();
      if (t != null && t.length() > 0) {
        try {
          c.setDefaultThreshold(id, Integer.parseInt(t));
        }
        catch (Exception exc) {
          thresholdField.setText("");
          JOptionPane.showMessageDialog(null, exc.getMessage());
        }
      }
      else {
      	try {
          c.unsetDefaultThreshold(id);
      	}
      	catch (Exception exc) {
          JOptionPane.showMessageDialog(null, exc.getMessage());
      	}
      }

      int i = dmqCombo.getSelectedIndex();
      if (i > 0) {
        try {
          c.setDefaultDMQ(id, (DeadMQueue) dmqCombo.getSelectedItem());
        }
        catch (Exception exc) {
          JOptionPane.showMessageDialog(null, exc.getMessage());
        }
      }
      else {
        try {
          c.unsetDefaultDMQ(id);
        }
        catch (Exception exc) {
          JOptionPane.showMessageDialog(null, exc.getMessage());
        }
      }
    }
  }

  public void setServerId(int id) {
    this.id = id;
    idLabel.setText(Integer.toString(id));
  }

  public void setDefaultThreshold(String threshold) { thresholdField.setText(threshold); }

  public void setDMQList(java.util.List dmqs, DeadMQueue ddmq) {
  	dmqCombo.removeAllItems();
	dmqCombo.addItem("No Default DMQ");

    for (Iterator i = dmqs.iterator(); i.hasNext();) {
      DeadMQueue dmq = (DeadMQueue) i.next();
      dmqCombo.addItem(dmq);

      // TODO: This comparison is not very clean and should be improved
      if (ddmq != null && ddmq.toString().equals(dmq.toString()))
        dmqCombo.setSelectedItem(dmq);
    }
  }
}