src/kits/package/DownloadFileRequest.cpp

   1 /*
   2  * Copyright 2013, Haiku, Inc. All Rights Reserved.
   3  * Distributed under the terms of the MIT License.
   4  *
   5  * Authors:
   6  *              Ingo Weinhold <ingo_weinhold@gmx.de>
   7  */
   8
   9
  10 #include <package/DownloadFileRequest.h>
  11
  12 #include <package/FetchFileJob.h>
  13 #include <package/ValidateChecksumJob.h>
  14
  15
  16 namespace BPackageKit {
  17
  18
  19 using namespace BPrivate;
  20
  21
  22 DownloadFileRequest::DownloadFileRequest(const BContext& context,
  23         const BString& fileURL, const BEntry& targetEntry, const BString& checksum)
  24         :
  25         inherited(context),
  26         fFileURL(fileURL),
  27         fTargetEntry(targetEntry),
  28         fChecksum(checksum)
  29 {
  30         if (fInitStatus == B_OK) {
  31                 if (fFileURL.IsEmpty())
  32                         fInitStatus = B_BAD_VALUE;
  33                 else
  34                         fInitStatus = targetEntry.InitCheck();
  35         }
  36 }
  37
  38
  39 DownloadFileRequest::~DownloadFileRequest()
  40 {
  41 }
  42
  43
  44 status_t
  45 DownloadFileRequest::CreateInitialJobs()
  46 {
  47         status_t error = InitCheck();
  48         if (error != B_OK)
  49                 return B_NO_INIT;
  50
  51         // create the download job
  52         FetchFileJob* fetchJob = new (std::nothrow) FetchFileJob(fContext,
  53                 BString("Downloading ") << fFileURL, fFileURL, fTargetEntry);
  54         if (fetchJob == NULL)
  55                 return B_NO_MEMORY;
  56
  57         if ((error = QueueJob(fetchJob)) != B_OK) {
  58                 delete fetchJob;
  59                 return error;
  60         }
  61
  62         // create the checksum validation job
  63         if (fChecksum.IsEmpty())
  64                 return B_OK;
  65
  66         ValidateChecksumJob* validateJob = new (std::nothrow) ValidateChecksumJob(
  67                 fContext, BString("Validating checksum for ") << fFileURL,
  68                 new (std::nothrow) StringChecksumAccessor(fChecksum),
  69                 new (std::nothrow) GeneralFileChecksumAccessor(fTargetEntry, true));
  70
  71         if (validateJob == NULL)
  72                 return B_NO_MEMORY;
  73
  74         if ((error = QueueJob(validateJob)) != B_OK) {
  75                 delete validateJob;
  76                 return error;
  77         }
  78
  79         return B_OK;
  80 }
  81
  82
  83 }       // namespace BPackageKit