extensions/jssh/nsJSShStarter.js

   1 /* -*- Mode: Javascript; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
   2  * ***** BEGIN LICENSE BLOCK *****
   3  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
   4  *
   5  * The contents of this file are subject to the Mozilla Public License Version
   6  * 1.1 (the "License"); you may not use this file except in compliance with
   7  * the License. You may obtain a copy of the License at
   8  * http://www.mozilla.org/MPL/
   9  *
  10  * Software distributed under the License is distributed on an "AS IS" basis,
  11  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
  12  * for the specific language governing rights and limitations under the
  13  * License.
  14  *
  15  * The Original Code is the Mozilla JavaScript Shell project.
  16  *
  17  * The Initial Developer of the Original Code is
  18  * Alex Fritze.
  19  * Portions created by the Initial Developer are Copyright (C) 2003
  20  * the Initial Developer. All Rights Reserved.
  21  *
  22  * Contributor(s):
  23  *  Alex Fritze <alex@croczilla.com>
  24  *
  25  * Alternatively, the contents of this file may be used under the terms of
  26  * either the GNU General Public License Version 2 or later (the "GPL"), or
  27  * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
  28  * in which case the provisions of the GPL or the LGPL are applicable instead
  29  * of those above. If you wish to allow use of your version of this file only
  30  * under the terms of either the GPL or the LGPL, and not to allow others to
  31  * use your version of this file under the terms of the MPL, indicate your
  32  * decision by deleting the provisions above and replace them with the notice
  33  * and other provisions required by the GPL or the LGPL. If you do not delete
  34  * the provisions above, a recipient may use your version of this file under
  35  * the terms of any one of the MPL, the GPL or the LGPL.
  36  *
  37  * ***** END LICENSE BLOCK ***** */
  38
  39  try {
  40    // this will only work pending bug#238324
  41    importModule("resource:/jscodelib/JSComponentUtils.js");
  42  }
  43  catch(e) {
  44 var ComponentUtils = {
  45   generateFactory: function(ctor, interfaces) {
  46     return {
  47       createInstance: function(outer, iid) {
  48         if (outer) throw Components.results.NS_ERROR_NO_AGGREGATION;
  49         if (!interfaces)
  50           return ctor().QueryInterface(iid);
  51         for (var i=interfaces.length; i>=0; --i) {
  52           if (iid.equals(interfaces[i])) break;
  53         }
  54         if (i<0 && !iid.equals(Components.interfaces.nsISupports))
  55           throw Components.results.NS_ERROR_NO_INTERFACE;
  56         return ctor();
  57       }
  58     }
  59   },
  60
  61   generateNSGetModule: function(classArray, postRegister, preUnregister) {
  62     var module = {
  63       getClassObject: function(compMgr, cid, iid) {
  64         if (!iid.equals(Components.interfaces.nsIFactory))
  65           throw Components.results.NS_ERROR_NO_INTERFACE;
  66         for (var i=0; i<classArray.length; ++i) {
  67           if(cid.equals(classArray[i].cid))
  68             return classArray[i].factory;
  69         }
  70         throw Components.results.NS_ERROR_NOT_IMPLEMENTED;
  71       },
  72       registerSelf: function(compMgr, fileSpec, location, type) {
  73         debug("*** registering "+fileSpec.leafName+": [ ");
  74         compMgr = compMgr.QueryInterface(Components.interfaces.nsIComponentRegistrar);
  75         for (var i=0; i<classArray.length; ++i) {
  76           debug(classArray[i].className+" ");
  77           compMgr.registerFactoryLocation(classArray[i].cid,
  78                                           classArray[i].className,
  79                                           classArray[i].contractID,
  80                                           fileSpec,
  81                                           location,
  82                                           type);
  83         }
  84         if (postRegister)
  85           postRegister(compMgr, fileSpec, classArray);
  86         debug("]\n");
  87       },
  88       unregisterSelf: function(compMgr, fileSpec, location) {
  89         debug("*** unregistering "+fileSpec.leafName+": [ ");
  90         if (preUnregister)
  91           preUnregister(compMgr, fileSpec, classArray);
  92         compMgr = compMgr.QueryInterface(Components.interfaces.nsIComponentRegistrar);
  93         for (var i=0; i<classArray.length; ++i) {
  94           debug(classArray[i].className+" ");
  95           compMgr.unregisterFactoryLocation(classArray[i].cid, fileSpec);
  96         }
  97         debug("]\n");
  98       },
  99       canUnload: function(compMgr) {
 100         return true;
 101       }
 102     };
 103
 104     return function(compMgr, fileSpec) {
 105       return module;
 106     }
 107   },
 108
 109   get categoryManager() {
 110     return Components.classes["@mozilla.org/categorymanager;1"]
 111            .getService(Components.interfaces.nsICategoryManager);
 112   }
 113 };
 114 }
 115
 116 //----------------------------------------------------------------------
 117 // JSShStarter class
 118
 119 // constructor
 120 function JSShStarter() {
 121 }
 122
 123 JSShStarter.prototype = {
 124   // nsICommandLineHandler methods:
 125   handle : function(commandline) {
 126     debug("JSShStarter: checking for -jssh startup option\n");
 127     if (commandline.handleFlag("jssh", false)) {
 128       // start a jssh server with startupURI
 129       // "chrome://jssh/content/jssh-debug.js". We use 'getService'
 130       // instead of 'createInstance' to get a well-known, globally
 131       // accessible instance of a jssh-server.
 132       // XXX Todo: get port, startupURI and loopbackOnly from prefs.
 133       Components.classes["@mozilla.org/jssh-server;1"]
 134         .getService(Components.interfaces.nsIJSShServer)
 135         .startServerSocket(9997, "chrome://jssh/content/jssh-debug.js", true);
 136       debug("JSShStarter: JSSh server started on port 9997\n");
 137     }
 138   },
 139
 140   helpInfo : "  -jssh                Start a JSSh server on port 9997.\n",
 141
 142 };
 143
 144 //----------------------------------------------------------------------
 145 NSGetModule = ComponentUtils.generateNSGetModule(
 146   [
 147     {
 148       className  : "JSShStarter",
 149       cid        : Components.ID("28CA200A-C070-4454-AD47-551FBAE1C48C"),
 150       contractID : "@mozilla.org/jssh-runner;1",
 151       factory    : ComponentUtils.generateFactory(function(){ return new JSShStarter();},
 152                                                   [Components.interfaces.nsICommandLineHandler])
 153     }
 154   ],
 155   function(mgr,file,arr) {
 156     debug("register as command-line-handler");
 157     ComponentUtils.categoryManager.addCategoryEntry("command-line-handler",
 158                                                     "a-jssh",
 159                                                     arr[0].contractID,
 160                                                     true, true);
 161   },
 162   function(mgr,file,arr) {
 163     debug("unregister as command-line-handler");
 164     ComponentUtils.categoryManager.deleteCategoryEntry("command-line-handler",
 165                                                        "a-jssh", true);
 166   }
 167 );