pjs/modules/libjar/nsJARProtocolHandler.cpp

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4.2 KiB
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/* -*- Mode: C++; tab-width: 4; 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 "nsJARProtocolHandler.h"
#include "nsIIOService.h"
#include "nsCRT.h"
#include "nsIComponentManager.h"
#include "nsIServiceManager.h"
#include "nsJARURI.h"
#include "nsIURL.h"
#include "nsJARChannel.h"
#include "nsXPIDLString.h"
static NS_DEFINE_CID(kIOServiceCID, NS_IOSERVICE_CID);
static NS_DEFINE_CID(kJARUriCID, NS_JARURI_CID);
static NS_DEFINE_CID(kZipReaderCacheCID, NS_ZIPREADERCACHE_CID);
#define NS_JAR_CACHE_SIZE 32
////////////////////////////////////////////////////////////////////////////////
nsJARProtocolHandler::nsJARProtocolHandler()
{
NS_INIT_REFCNT();
}
nsresult
nsJARProtocolHandler::Init()
{
nsresult rv;
rv = nsComponentManager::CreateInstance(kZipReaderCacheCID,
nsnull,
NS_GET_IID(nsIZipReaderCache),
getter_AddRefs(mJARCache));
if (NS_FAILED(rv)) return rv;
rv = mJARCache->Init(NS_JAR_CACHE_SIZE);
return rv;
}
nsJARProtocolHandler::~nsJARProtocolHandler()
{
}
NS_IMPL_THREADSAFE_ISUPPORTS2(nsJARProtocolHandler,
nsIJARProtocolHandler,
nsIProtocolHandler)
NS_METHOD
nsJARProtocolHandler::Create(nsISupports *aOuter, REFNSIID aIID, void **aResult)
{
if (aOuter)
return NS_ERROR_NO_AGGREGATION;
nsJARProtocolHandler* ph = new nsJARProtocolHandler();
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;
}
NS_IMETHODIMP
nsJARProtocolHandler::GetJARCache(nsIZipReaderCache* *result)
{
*result = mJARCache;
NS_ADDREF(*result);
return NS_OK;
}
////////////////////////////////////////////////////////////////////////////////
// nsIProtocolHandler methods:
NS_IMETHODIMP
nsJARProtocolHandler::GetScheme(char* *result)
{
*result = nsCRT::strdup("jar");
if (*result == nsnull)
return NS_ERROR_OUT_OF_MEMORY;
return NS_OK;
}
NS_IMETHODIMP
nsJARProtocolHandler::GetDefaultPort(PRInt32 *result)
{
*result = -1; // no port for JAR: URLs
return NS_OK;
}
NS_IMETHODIMP
nsJARProtocolHandler::NewURI(const char *aSpec, nsIURI *aBaseURI,
nsIURI **result)
{
nsresult rv = NS_OK;
nsIURI* url;
rv = nsJARURI::Create(nsnull, NS_GET_IID(nsIJARURI), (void**)&url);
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)) {
NS_RELEASE(url);
return rv;
}
*result = url;
return rv;
}
NS_IMETHODIMP
nsJARProtocolHandler::NewChannel(nsIURI* uri, nsIChannel* *result)
{
nsresult rv;
nsJARChannel* channel;
rv = nsJARChannel::Create(nsnull, NS_GET_IID(nsIJARChannel), (void**)&channel);
if (NS_FAILED(rv)) return rv;
rv = channel->Init(this, uri);
if (NS_FAILED(rv)) {
NS_RELEASE(channel);
return rv;
}
*result = channel;
return NS_OK;
}
////////////////////////////////////////////////////////////////////////////////