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tubestation/netwerk/protocol/file/src/nsFileProtocolHandler.cpp

159 lines
4.4 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 4 -*-
*
* The contents of this file are subject to the Netscape Public
* License Version 1.1 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.mozilla.org/NPL/
*
* Software distributed under the License is distributed on an "AS
* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
* implied. See the License for the specific language governing
* rights and limitations under the License.
*
* The Original Code is mozilla.org code.
*
* The Initial Developer of the Original Code is Netscape
* Communications Corporation. Portions created by Netscape are
* Copyright (C) 1998 Netscape Communications Corporation. All
* Rights Reserved.
*
* Contributor(s):
*/
#include "nsFileChannel.h"
#include "nsFileProtocolHandler.h"
#include "nsIURL.h"
#include "nsIURLParser.h"
#include "nsCRT.h"
#include "nsIComponentManager.h"
#include "nsIServiceManager.h"
#include "nsIInterfaceRequestor.h"
#include "nsIProgressEventSink.h"
#include "nsIThread.h"
#include "nsIThreadPool.h"
#include "nsISupportsArray.h"
#include "nsFileSpec.h"
#include "nsAutoLock.h"
#include "nsXPIDLString.h"
static NS_DEFINE_CID(kStandardURLCID, NS_STANDARDURL_CID);
static NS_DEFINE_CID(kNoAuthUrlParserCID, NS_NOAUTHORITYURLPARSER_CID);
////////////////////////////////////////////////////////////////////////////////
nsFileProtocolHandler::nsFileProtocolHandler()
{
NS_INIT_REFCNT();
}
nsresult
nsFileProtocolHandler::Init()
{
return NS_OK;
}
nsFileProtocolHandler::~nsFileProtocolHandler()
{
}
NS_IMPL_ISUPPORTS1(nsFileProtocolHandler, nsIProtocolHandler);
NS_METHOD
nsFileProtocolHandler::Create(nsISupports *aOuter, REFNSIID aIID, void **aResult)
{
if (aOuter)
return NS_ERROR_NO_AGGREGATION;
nsFileProtocolHandler* ph = new nsFileProtocolHandler();
if (ph == nsnull)
return NS_ERROR_OUT_OF_MEMORY;
NS_ADDREF(ph);
nsresult rv = ph->Init();
if (NS_SUCCEEDED(rv)) {
rv = ph->QueryInterface(aIID, aResult);
}
NS_RELEASE(ph);
return rv;
}
////////////////////////////////////////////////////////////////////////////////
// nsIProtocolHandler methods:
NS_IMETHODIMP
nsFileProtocolHandler::GetScheme(char* *result)
{
*result = nsCRT::strdup("file");
if (*result == nsnull)
return NS_ERROR_OUT_OF_MEMORY;
return NS_OK;
}
NS_IMETHODIMP
nsFileProtocolHandler::GetDefaultPort(PRInt32 *result)
{
*result = -1; // no port for file: URLs
return NS_OK;
}
NS_IMETHODIMP
nsFileProtocolHandler::NewURI(const char *aSpec, nsIURI *aBaseURI,
nsIURI **result)
{
nsresult rv;
// file: URLs (currently) have no additional structure beyond that provided by standard
// URLs, so there is no "outer" given to CreateInstance
nsCOMPtr<nsIURI> url;
nsCOMPtr<nsIURLParser> urlparser;
rv = nsComponentManager::CreateInstance(kNoAuthUrlParserCID,
nsnull, NS_GET_IID(nsIURLParser),
getter_AddRefs(urlparser));
if (NS_FAILED(rv)) return rv;
rv = nsComponentManager::CreateInstance(kStandardURLCID,
nsnull, NS_GET_IID(nsIURI),
getter_AddRefs(url));
if (NS_FAILED(rv)) return rv;
rv = url->SetURLParser(urlparser);
if (NS_FAILED(rv)) return rv;
if (aBaseURI)
{
nsXPIDLCString aResolvedURI;
rv = aBaseURI->Resolve(aSpec, getter_Copies(aResolvedURI));
if (NS_FAILED(rv)) return rv;
rv = url->SetSpec(aResolvedURI);
} else {
rv = url->SetSpec((char*)aSpec);
}
if (NS_FAILED(rv)) return rv;
*result = url.get();
NS_ADDREF(*result);
return rv;
}
NS_IMETHODIMP
nsFileProtocolHandler::NewChannel(nsIURI* url, nsIChannel* *result)
{
nsresult rv;
nsFileChannel* channel;
rv = nsFileChannel::Create(nsnull, NS_GET_IID(nsIFileChannel), (void**)&channel);
if (NS_FAILED(rv)) return rv;
rv = channel->Init(-1, // ioFlags unspecified
-1, // permissions unspecified
url);
if (NS_FAILED(rv)) {
NS_RELEASE(channel);
return rv;
}
*result = channel;
return NS_OK;
}
////////////////////////////////////////////////////////////////////////////////