Source for gnu.java.awt.peer.KDEDesktopPeer

   1: /* GnomeDesktopPeer.java -- Offers a KDE Desktop peer for DesktopPeer
   2:  Copyright (C) 2006, 2007 Free Software Foundation, Inc.
   3: 
   4:  This file is part of GNU Classpath.
   5: 
   6:  GNU Classpath 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; either version 2, or (at your option)
   9:  any later version.
  10: 
  11:  GNU Classpath is distributed in the hope that it will be useful, but
  12:  WITHOUT ANY WARRANTY; without even the implied warranty of
  13:  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14:  General Public License for more details.
  15: 
  16:  You should have received a copy of the GNU General Public License
  17:  along with GNU Classpath; see the file COPYING.  If not, write to the
  18:  Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
  19:  02110-1301 USA.
  20: 
  21:  Linking this library statically or dynamically with other modules is
  22:  making a combined work based on this library.  Thus, the terms and
  23:  conditions of the GNU General Public License cover the whole
  24:  combination.
  25: 
  26:  As a special exception, the copyright holders of this library give you
  27:  permission to link this library with independent modules to produce an
  28:  executable, regardless of the license terms of these independent
  29:  modules, and to copy and distribute the resulting executable under
  30:  terms of your choice, provided that you also meet, for each linked
  31:  independent module, the terms and conditions of the license of that
  32:  module.  An independent module is a module which is not derived from
  33:  or based on this library.  If you modify this library, you may extend
  34:  this exception to your version of the library, but you are not
  35:  obligated to do so.  If you do not wish to do so, delete this
  36:  exception statement from your version. */
  37: 
  38: package gnu.java.awt.peer;
  39: 
  40: import gnu.java.lang.CPStringBuilder;
  41: 
  42: import java.io.IOException;
  43: import java.io.InputStream;
  44: 
  45: /**
  46:  * @author Mario Torre <neugens@limasoftware.net>
  47:  */
  48: public class KDEDesktopPeer
  49:   extends ClasspathDesktopPeer
  50: {
  51:   /**
  52:    * Query string to use if a GNOME desktop is detected to get the name of the
  53:    * default browser. This requires gconftool-2 (part of GNOME).
  54:    */
  55:   private static final String BROWSER_QUERY_GNOME =
  56:     "gconftool-2 -g /desktop/gnome/url-handlers/http/command";
  57: 
  58:   protected String getCommand(String action)
  59:   {
  60:     // check if a command already exists
  61:     String command = super.getCommand(action);
  62: 
  63:     if (command == null)
  64:       {
  65:         try
  66:           {
  67:             if (action == _MAIL)
  68:               {
  69:                 command = "kfmclient exec";
  70:               }
  71:             else if (action == _PRINT)
  72:               {
  73:                 command = "kprinter";
  74:               }
  75:             else
  76:               {
  77:                 command = "kfmclient openURL";
  78:               }
  79:           }
  80:         catch (Exception e)
  81:           {
  82:             command = null;
  83:           }
  84:       }
  85: 
  86:     return command;
  87:   }
  88: 
  89:   protected boolean supportCommand(String check)
  90:   {
  91:     return true;
  92:   }
  93: 
  94:   public void mail() throws IOException
  95:   {
  96:     checkPermissions();
  97: 
  98:     String mail = getCommand(_MAIL);
  99: 
 100:     if (mail == null)
 101:       throw new UnsupportedOperationException();
 102: 
 103:     Runtime.getRuntime().exec(mail + " 'mailto: '");
 104:   }
 105: 
 106:   protected String execQuery(String command) throws IOException
 107:   {
 108:     InputStream in = null;
 109:     CPStringBuilder output = new CPStringBuilder();
 110: 
 111:     try
 112:       {
 113:         Process process = Runtime.getRuntime().exec(command);
 114: 
 115:         // Get the input stream and read from it
 116:         in = process.getInputStream();
 117:         int c;
 118:         while ((c = in.read()) != - 1)
 119:           {
 120:             output.append((char) c);
 121:           }
 122:       }
 123:     finally
 124:       {
 125:         if (in != null)
 126:           in.close();
 127:       }
 128: 
 129:     // remove %s from the string, leave only the command line
 130:     int index = output.indexOf("%s");
 131:     output.delete(index, index + 1);
 132: 
 133:     return output.toString().trim();
 134:   }
 135: }