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
36namespace WebKit {
37
38// WebURL - A URL type suitable for vending to an API.
39
40class WebURL : public TypedAPIObject<APIObject::TypeURL> {
41public:
42    static PassRefPtr<WebURL> create(const String& string)
43    {
44        return adoptRef(new WebURL(string));
45    }
46
47    static PassRefPtr<WebURL> create(const WebURL* baseURL, const String& relativeURL)
48    {
49        using WebCore::KURL;
50
51        ASSERT(baseURL);
52        baseURL->parseURLIfNecessary();
53        KURL* absoluteURL = new KURL(*baseURL->m_parsedURL.get(), relativeURL);
54
55        return adoptRef(new WebURL(adoptPtr(absoluteURL), absoluteURL->string()));
56    }
57
58    bool isNull() const { return m_string.isNull(); }
59    bool isEmpty() const { return m_string.isEmpty(); }
60
61    const String& string() const { return m_string; }
62
63    String host() const
64    {
65        parseURLIfNecessary();
66        return m_parsedURL->isValid() ? m_parsedURL->host() : String();
67    }
68
69    String protocol() const
70    {
71        parseURLIfNecessary();
72        return m_parsedURL->isValid() ? m_parsedURL->protocol() : String();
73    }
74
75    String path() const
76    {
77        parseURLIfNecessary();
78        return m_parsedURL->isValid() ? m_parsedURL->path() : String();
79    }
80
81    String lastPathComponent() const
82    {
83        parseURLIfNecessary();
84        return m_parsedURL->isValid() ? m_parsedURL->lastPathComponent() : String();
85    }
86
87private:
88    WebURL(const String& string)
89        : m_string(string)
90    {
91    }
92
93    WebURL(PassOwnPtr<WebCore::KURL> parsedURL, const String& string)
94        : m_string(string)
95        , m_parsedURL(parsedURL)
96    {
97    }
98
99    void parseURLIfNecessary() const
100    {
101        if (m_parsedURL)
102            return;
103        m_parsedURL = WTF::adoptPtr(new WebCore::KURL(WebCore::KURL(), m_string));
104    }
105
106    String m_string;
107    mutable OwnPtr<WebCore::KURL> m_parsedURL;
108};
109
110} // namespace WebKit
111
112#endif // WebURL_h
113