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 ResourceErrorBase_h 27 #define ResourceErrorBase_h 28 29 #include "PlatformString.h" 30 31 namespace WebCore { 32 33 class ResourceError; 34 35 class ResourceErrorBase { 36 public: 37 // Makes a deep copy. Useful for when you need to use a ResourceError on another thread. 38 ResourceError copy() const; 39 40 bool isNull() const { return m_isNull; } 41 42 const String& domain() const { lazyInit(); return m_domain; } 43 int errorCode() const { lazyInit(); return m_errorCode; } 44 const String& failingURL() const { lazyInit(); return m_failingURL; } 45 const String& localizedDescription() const { lazyInit(); return m_localizedDescription; } 46 47 void setIsCancellation(bool isCancellation) { m_isCancellation = isCancellation; } 48 bool isCancellation() const { return m_isCancellation; } 49 50 static bool compare(const ResourceError&, const ResourceError&); 51 52 protected: 53 ResourceErrorBase() 54 : m_errorCode(0) 55 , m_isNull(true) 56 , m_isCancellation(false) 57 { 58 } 59 60 ResourceErrorBase(const String& domain, int errorCode, const String& failingURL, const String& localizedDescription) 61 : m_domain(domain) 62 , m_errorCode(errorCode) 63 , m_failingURL(failingURL) 64 , m_localizedDescription(localizedDescription) 65 , m_isNull(false) 66 , m_isCancellation(false) 67 { 68 } 69 70 void lazyInit() const; 71 72 // The ResourceError subclass may "shadow" this method to lazily initialize platform specific fields 73 void platformLazyInit() {} 74 75 // The ResourceError subclass may "shadow" this method to compare platform specific fields 76 static bool platformCompare(const ResourceError&, const ResourceError&) { return true; } 77 78 String m_domain; 79 int m_errorCode; 80 String m_failingURL; 81 String m_localizedDescription; 82 bool m_isNull; 83 bool m_isCancellation; 84 }; 85 86 inline bool operator==(const ResourceError& a, const ResourceError& b) { return ResourceErrorBase::compare(a, b); } 87 inline bool operator!=(const ResourceError& a, const ResourceError& b) { return !(a == b); } 88 89 } // namespace WebCore 90 91 #endif // ResourceErrorBase_h 92
