1/*
2 * Copyright 2010, The Android Open Source Project
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 *  * Redistributions of source code must retain the above copyright
8 *    notice, this list of conditions and the following disclaimer.
9 *  * 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 THE COPYRIGHT HOLDERS ``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 THE COPYRIGHT OWNER 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 JavaStringV8_h
27#define JavaStringV8_h
28
29#include "JNIUtility.h"
30
31#include <wtf/text/CString.h>
32#include <wtf/text/WTFString.h>
33
34
35namespace JSC {
36
37namespace Bindings {
38
39class JavaStringImpl {
40public:
41    void init() {}
42
43    void init(JNIEnv* env, jstring string)
44    {
45        int size = env->GetStringLength(string);
46        const jchar* jChars = getUCharactersFromJStringInEnv(env, string);
47        m_impl = StringImpl::create(jChars, size);
48        releaseUCharactersForJStringInEnv(env, string, jChars);
49    }
50
51    const char* utf8() const
52    {
53        if (!m_utf8String.data())
54            m_utf8String = String(m_impl).utf8();
55        return m_utf8String.data();
56    }
57    int length() const { return m_utf8String.length(); }
58    StringImpl* impl() const { return m_impl.get(); }
59
60private:
61    RefPtr<StringImpl> m_impl;
62    mutable CString m_utf8String;
63};
64
65} // namespace Bindings
66
67} // namespace JSC
68
69#endif // JavaStringV8_h
70