WebCore/ResourceError.h

   1 /*
   2  * Copyright (C) 2006 Apple Computer, Inc.  All rights reserved.
   3  *
   4  * Redistribution and use in source and binary forms, with or without
   5  * modification, are permitted provided that the following conditions
   6  * are met:
   7  * 1. Redistributions of source code must retain the above copyright
   8  *    notice, this list of conditions and the following disclaimer.
   9  * 2. Redistributions in binary form must reproduce the above copyright
  10  *    notice, this list of conditions and the following disclaimer in the
  11  *    documentation and/or other materials provided with the distribution.
  12  *
  13  * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
  14  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  15  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  16  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
  17  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  18  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  19  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
  20  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
  21  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  22  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  23  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  24  */
  25
  26 #ifndef ResourceError_h
  27 #define ResourceError_h
  28
  29 #include "ResourceErrorBase.h"
  30
  31 #include <wtf/RetainPtr.h>
  32 #include <CoreFoundation/CFStream.h>
  33
  34 namespace WebCore {
  35
  36 class ResourceError : public ResourceErrorBase {
  37 public:
  38     ResourceError()
  39         : m_dataIsUpToDate(true)
  40     {
  41     }
  42
  43     ResourceError(const String& domain, int errorCode, const String& failingURL, const String& localizedDescription)
  44         : ResourceErrorBase(domain, errorCode, failingURL, localizedDescription)
  45         , m_dataIsUpToDate(true)
  46     {
  47     }
  48
  49     ResourceError(CFStreamError error);
  50
  51     ResourceError(CFErrorRef error)
  52         : m_dataIsUpToDate(false)
  53         , m_platformError(error)
  54     {
  55         m_isNull = !error;
  56     }
  57
  58     operator CFErrorRef() const;
  59     operator CFStreamError() const;
  60
  61 private:
  62     friend class ResourceErrorBase;
  63
  64     void platformLazyInit();
  65     static bool platformCompare(const ResourceError& a, const ResourceError& b);
  66
  67     bool m_dataIsUpToDate;
  68     mutable RetainPtr<CFErrorRef> m_platformError;
  69 };
  70
  71 } // namespace WebCore
  72
  73 #endif // ResourceError_h_