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      1 /*
      2  * Copyright (C) 2010 Apple 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 INC. AND ITS CONTRIBUTORS ``AS IS''
     14  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
     15  * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     16  * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
     17  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     18  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     19  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     20  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     21  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     22  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
     23  * THE POSSIBILITY OF SUCH DAMAGE.
     24  */
     25 
     26 #ifndef WebURL_h
     27 #define WebURL_h
     28 
     29 #include "APIObject.h"
     30 #include <WebCore/KURL.h>
     31 #include <wtf/OwnPtr.h>
     32 #include <wtf/PassOwnPtr.h>
     33 #include <wtf/PassRefPtr.h>
     34 #include <wtf/text/WTFString.h>
     35 
     36 namespace WebKit {
     37 
     38 // WebURL - A URL type suitable for vending to an API.
     39 
     40 class WebURL : public APIObject {
     41 public:
     42     static const Type APIType = TypeURL;
     43 
     44     static PassRefPtr<WebURL> create(const String& string)
     45     {
     46         return adoptRef(new WebURL(string));
     47     }
     48 
     49     bool isNull() const { return m_string.isNull(); }
     50     bool isEmpty() const { return m_string.isEmpty(); }
     51 
     52     const String& string() const { return m_string; }
     53 
     54     String host() const
     55     {
     56         parseURLIfNecessary();
     57         return m_parsedURL->isValid() ? m_parsedURL->host() : String();
     58     }
     59 
     60     String protocol() const
     61     {
     62         parseURLIfNecessary();
     63         return m_parsedURL->isValid() ? m_parsedURL->protocol() : String();
     64     }
     65 
     66 private:
     67     WebURL(const String& string)
     68         : m_string(string)
     69     {
     70     }
     71 
     72     void parseURLIfNecessary() const
     73     {
     74         if (m_parsedURL)
     75             return;
     76         m_parsedURL = WTF::adoptPtr(new WebCore::KURL(WebCore::KURL(), m_string));
     77     }
     78 
     79     virtual Type type() const { return APIType; }
     80 
     81     String m_string;
     82     mutable OwnPtr<WebCore::KURL> m_parsedURL;
     83 };
     84 
     85 } // namespace WebKit
     86 
     87 #endif // WebURL_h
     88