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1   /*
2    *  XNap - A P2P framework and client.
3    *
4    *  See the file AUTHORS for copyright information.
5    *
6    *  This program is free software; you can redistribute it and/or modify
7    *  it under the terms of the GNU General Public License as published by
8    *  the Free Software Foundation.
9    *
10   *  This program is distributed in the hope that it will be useful,
11   *  but WITHOUT ANY WARRANTY; without even the implied warranty of
12   *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13   *  GNU General Public License for more details.
14   *
15   *  You should have received a copy of the GNU General Public License
16   *  along with this program; if not, write to the Free Software
17   *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
18   */
19  
20  package org.xnap.plugin.opennap.gui;
21  
22  import java.awt.event.ActionEvent;
23  import java.io.IOException;
24  
25  import javax.swing.AbstractAction;
26  import javax.swing.Action;
27  import javax.swing.JFileChooser;
28  
29  import org.xnap.XNap;
30  import org.xnap.gui.StatusBar;
31  import org.xnap.gui.util.IconHelper;
32  import org.xnap.plugin.opennap.OpenNapPlugin;
33  import org.xnap.plugin.opennap.net.OpenNapServerFileWriter;
34  import org.xnap.plugin.opennap.net.OpenNapServerWriter;
35  import org.xnap.plugin.opennap.net.WSXFileWriter;
36  
37  /***
38   * This class handles the command to save a user-specified file
39   * containing a list of hosts. Once the user selects a file the
40   * ServerPanel.doLoadServersFile() method is called. 
41   */
42  public class SaveServerFileAction extends AbstractAction
43  {
44      
45      //--- Constant(s) ---
46      
47      //--- Data field(s) ---
48  
49  	private JFileChooser chooser;
50      
51      //--- Constructor(s) ---
52      
53      public SaveServerFileAction(JFileChooser chooser) 
54      {
55  		this.chooser = chooser;
56  
57  		putValue(Action.NAME, XNap.tr("Save Server File") + "...");
58  		putValue(Action.SHORT_DESCRIPTION,
59  				 XNap.tr("Saves a file with the servers in the table."));
60  		putValue(IconHelper.XNAP_ICON, "filesaveas.png");
61      }
62  
63      //--- Method(s) ---
64      
65      public void actionPerformed(ActionEvent event) 
66      {
67  		if (chooser.showSaveDialog(null) == JFileChooser.APPROVE_OPTION) {
68  			String filename = chooser.getSelectedFile().getAbsolutePath();
69  			OpenNapServerWriter writer =
70  				(filename.endsWith("wsx")) 
71  				? (OpenNapServerWriter)new WSXFileWriter(filename)
72  				: (OpenNapServerWriter)new OpenNapServerFileWriter(filename);
73  			saveServerFile(writer);
74  		}
75      }
76  
77      /***
78       * Invokes {@link Connector.addFromFile(String, boolean)} in a thread.
79       */
80      public static void saveServerFile(final OpenNapServerWriter writer)
81      {
82  		Runnable r = new Runnable()
83  			{
84  				public void run() 
85  				{
86  					try {
87  						int count 
88  							= OpenNapPlugin.getServerManager().saveTo(writer);
89  						StatusBar.setTextLater
90  							(XNap.tr("Write {0} servers", new Integer(count)));
91  					}
92  					catch (IOException e) {
93  						StatusBar.setTextLater
94  							(XNap.tr("Could not write file: {0}", 
95  									 e.getLocalizedMessage()));
96  					}
97  				}
98  			};
99  
100 		Thread t = new Thread(r, "SaveServerFile");
101 		t.start();
102     }
103 
104 }
105