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      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 #import "config.h"
     27 #import "ResourceResponse.h"
     28 
     29 #import "WebCoreURLResponse.h"
     30 #import <Foundation/Foundation.h>
     31 #import <wtf/StdLibExtras.h>
     32 #import <limits>
     33 
     34 @interface NSURLResponse (FoundationSecretsWebCoreKnowsAbout)
     35 - (NSTimeInterval)_calculatedExpiration;
     36 @end
     37 
     38 #ifdef BUILDING_ON_TIGER
     39 typedef int NSInteger;
     40 #endif
     41 
     42 namespace WebCore {
     43 
     44 NSURLResponse *ResourceResponse::nsURLResponse() const
     45 {
     46     if (!m_nsResponse && !m_isNull) {
     47         // Work around a mistake in the NSURLResponse class.
     48         // The init function takes an NSInteger, even though the accessor returns a long long.
     49         // For values that won't fit in an NSInteger, pass -1 instead.
     50         NSInteger expectedContentLength;
     51         if (m_expectedContentLength < 0 || m_expectedContentLength > std::numeric_limits<NSInteger>::max())
     52             expectedContentLength = -1;
     53         else
     54             expectedContentLength = static_cast<NSInteger>(m_expectedContentLength);
     55         const_cast<ResourceResponse*>(this)->m_nsResponse.adoptNS([[NSURLResponse alloc] initWithURL:m_url MIMEType:m_mimeType expectedContentLength:expectedContentLength textEncodingName:m_textEncodingName]);
     56     }
     57     return m_nsResponse.get();
     58 }
     59 
     60 void ResourceResponse::platformLazyInit()
     61 {
     62     if (m_isUpToDate)
     63         return;
     64     m_isUpToDate = true;
     65 
     66     if (m_isNull) {
     67         ASSERT(!m_nsResponse);
     68         return;
     69     }
     70 
     71     m_url = [m_nsResponse.get() URL];
     72     m_mimeType = [m_nsResponse.get() MIMEType];
     73     m_expectedContentLength = [m_nsResponse.get() expectedContentLength];
     74     m_textEncodingName = [m_nsResponse.get() textEncodingName];
     75     m_suggestedFilename = [m_nsResponse.get() suggestedFilename];
     76 
     77     if ([m_nsResponse.get() isKindOfClass:[NSHTTPURLResponse class]]) {
     78         NSHTTPURLResponse *httpResponse = (NSHTTPURLResponse *)m_nsResponse.get();
     79 
     80         m_httpStatusCode = [httpResponse statusCode];
     81 
     82         // FIXME: it would be nice to have a way to get the real status text eventually.
     83         m_httpStatusText = "OK";
     84 
     85         NSDictionary *headers = [httpResponse allHeaderFields];
     86         NSEnumerator *e = [headers keyEnumerator];
     87         while (NSString *name = [e nextObject])
     88             m_httpHeaderFields.set(name, [headers objectForKey:name]);
     89     } else
     90         m_httpStatusCode = 0;
     91 }
     92 
     93 bool ResourceResponse::platformCompare(const ResourceResponse& a, const ResourceResponse& b)
     94 {
     95     return a.nsURLResponse() == b.nsURLResponse();
     96 }
     97 
     98 }
     99