extensions/datetime/nsDateTimeHandler.cpp

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   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 mozilla.org code.
  16  *
  17  * The Initial Developer of the Original Code is
  18  * Netscape Communications Corporation.
  19  * Portions created by the Initial Developer are Copyright (C) 1998
  20  * the Initial Developer. All Rights Reserved.
  21  *
  22  * Contributor(s):
  23  *
  24  * Alternatively, the contents of this file may be used under the terms of
  25  * either the GNU General Public License Version 2 or later (the "GPL"), or
  26  * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
  27  * in which case the provisions of the GPL or the LGPL are applicable instead
  28  * of those above. If you wish to allow use of your version of this file only
  29  * under the terms of either the GPL or the LGPL, and not to allow others to
  30  * use your version of this file under the terms of the MPL, indicate your
  31  * decision by deleting the provisions above and replace them with the notice
  32  * and other provisions required by the GPL or the LGPL. If you do not delete
  33  * the provisions above, a recipient may use your version of this file under
  34  * the terms of any one of the MPL, the GPL or the LGPL.
  35  *
  36  * ***** END LICENSE BLOCK ***** */
  37
  38 #include "nspr.h"
  39 #include "nsDateTimeChannel.h"
  40 #include "nsDateTimeHandler.h"
  41 #include "nsIURL.h"
  42 #include "nsCRT.h"
  43 #include "nsIComponentManager.h"
  44 #include "nsIServiceManager.h"
  45 #include "nsIInterfaceRequestor.h"
  46 #include "nsIInterfaceRequestorUtils.h"
  47 #include "nsIProgressEventSink.h"
  48 #include "nsNetCID.h"
  49
  50 ////////////////////////////////////////////////////////////////////////////////
  51
  52 nsDateTimeHandler::nsDateTimeHandler() {
  53 }
  54
  55 nsDateTimeHandler::~nsDateTimeHandler() {
  56 }
  57
  58 NS_IMPL_ISUPPORTS2(nsDateTimeHandler,
  59                    nsIProtocolHandler,
  60                    nsIProxiedProtocolHandler)
  61
  62 NS_METHOD
  63 nsDateTimeHandler::Create(nsISupports* aOuter, const nsIID& aIID, void* *aResult) {
  64
  65     nsDateTimeHandler* ph = new nsDateTimeHandler();
  66     if (ph == nsnull)
  67         return NS_ERROR_OUT_OF_MEMORY;
  68     NS_ADDREF(ph);
  69     nsresult rv = ph->QueryInterface(aIID, aResult);
  70     NS_RELEASE(ph);
  71     return rv;
  72 }
  73
  74 ////////////////////////////////////////////////////////////////////////////////
  75 // nsIProtocolHandler methods:
  76
  77 NS_IMETHODIMP
  78 nsDateTimeHandler::GetScheme(nsACString &result) {
  79     result = "datetime";
  80     return NS_OK;
  81 }
  82
  83 NS_IMETHODIMP
  84 nsDateTimeHandler::GetDefaultPort(PRInt32 *result) {
  85     *result = DATETIME_PORT;
  86     return NS_OK;
  87 }
  88
  89 NS_IMETHODIMP
  90 nsDateTimeHandler::GetProtocolFlags(PRUint32 *result) {
  91     *result = URI_NORELATIVE | URI_NOAUTH | ALLOWS_PROXY | URI_DANGEROUS_TO_LOAD;
  92     return NS_OK;
  93 }
  94
  95 NS_IMETHODIMP
  96 nsDateTimeHandler::NewURI(const nsACString &aSpec,
  97                           const char *aCharset, // ignore charset info
  98                           nsIURI *aBaseURI,
  99                           nsIURI **result) {
 100     nsresult rv;
 101
 102     nsIURI* url;
 103     rv = CallCreateInstance(NS_SIMPLEURI_CONTRACTID, &url);
 104     if (NS_FAILED(rv)) return rv;
 105
 106     rv = url->SetSpec(aSpec);
 107     if (NS_FAILED(rv)) {
 108         NS_RELEASE(url);
 109         return rv;
 110     }
 111
 112     *result = url;
 113     return rv;
 114 }
 115
 116 NS_IMETHODIMP
 117 nsDateTimeHandler::NewChannel(nsIURI* url, nsIChannel* *result)
 118 {
 119     return NewProxiedChannel(url, nsnull, result);
 120 }
 121
 122 NS_IMETHODIMP
 123 nsDateTimeHandler::NewProxiedChannel(nsIURI* url, nsIProxyInfo* proxyInfo,
 124                                      nsIChannel* *result)
 125 {
 126     NS_ENSURE_ARG_POINTER(url);
 127     nsresult rv;
 128
 129     nsDateTimeChannel *chan = new nsDateTimeChannel();
 130     if (!chan)
 131         return NS_ERROR_OUT_OF_MEMORY;
 132     NS_ADDREF(chan);
 133
 134     rv = chan->Init(url, proxyInfo);
 135     if (NS_FAILED(rv)) {
 136         NS_RELEASE(chan);
 137         return rv;
 138     }
 139
 140     *result = chan;
 141     return NS_OK;
 142 }
 143
 144
 145 NS_IMETHODIMP
 146 nsDateTimeHandler::AllowPort(PRInt32 port, const char *scheme, PRBool *_retval)
 147 {
 148     if (port == DATETIME_PORT)
 149         *_retval = PR_TRUE;
 150     else
 151         *_retval = PR_FALSE;
 152     return NS_OK;
 153 }
 154 ////////////////////////////////////////////////////////////////////////////////