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1 /*
2  * Copyright (C) 2003, 2004, 2005, 2007, 2009, 2010 Apple Inc. All rights reserved.
3  * Copyright 2010, The Android Open Source Project
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  *    notice, this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright
11  *    notice, this list of conditions and the following disclaimer in the
12  *    documentation and/or other materials provided with the distribution.
13  *
14  * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
15  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
17  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
18  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
19  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
20  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
21  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
22  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
24  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25  */
26 
27 #ifndef JNIBridge_h
28 #define JNIBridge_h
29 
30 #if ENABLE(MAC_JAVA_BRIDGE)
31 
32 #include "Bridge.h"
33 #include "JNIUtility.h"
34 
35 #if USE(JSC)
36 #include "JavaStringJSC.h"
37 #elif USE(V8)
38 #include "JavaStringV8.h"
39 #endif
40 
41 namespace JSC {
42 
43 namespace Bindings {
44 
45 typedef const char* RuntimeType;
46 
47 class JavaString {
48 public:
JavaString()49     JavaString()
50     {
51         m_impl.init();
52     }
53 
JavaString(JNIEnv * e,jstring s)54     JavaString(JNIEnv* e, jstring s)
55     {
56         m_impl.init(e, s);
57     }
58 
JavaString(jstring s)59     JavaString(jstring s)
60     {
61         m_impl.init(getJNIEnv(), s);
62     }
63 
UTF8String()64     const char* UTF8String() const { return m_impl.UTF8String(); }
uchars()65     const jchar* uchars() const { return m_impl.uchars(); }
length()66     int length() const { return m_impl.length(); }
67 #if USE(JSC)
UString()68     operator UString() const { return m_impl.uString(); }
69 #endif
70 
71 private:
72     JavaStringImpl m_impl;
73 };
74 
75 class JavaParameter {
76 public:
JavaParameter()77     JavaParameter() : m_JNIType(invalid_type) { }
78     JavaParameter(JNIEnv*, jstring type);
~JavaParameter()79     virtual ~JavaParameter() { }
80 
type()81     RuntimeType type() const { return m_type.UTF8String(); }
getJNIType()82     JNIType getJNIType() const { return m_JNIType; }
83 
84 private:
85     JavaString m_type;
86     JNIType m_JNIType;
87 };
88 
89 class JavaMethod : public Method {
90 public:
91     JavaMethod(JNIEnv*, jobject aMethod);
92     ~JavaMethod();
93 
name()94     const JavaString& name() const { return m_name; }
returnType()95     RuntimeType returnType() const { return m_returnType.UTF8String(); }
parameterAt(int i)96     JavaParameter* parameterAt(int i) const { return &m_parameters[i]; }
numParameters()97     int numParameters() const { return m_numParameters; }
98 
99     const char* signature() const;
100     JNIType JNIReturnType() const;
101 
102     jmethodID methodID(jobject obj) const;
103 
isStatic()104     bool isStatic() const { return m_isStatic; }
105 
106 private:
107     JavaParameter* m_parameters;
108     int m_numParameters;
109     JavaString m_name;
110     mutable char* m_signature;
111     JavaString m_returnType;
112     JNIType m_JNIReturnType;
113     mutable jmethodID m_methodID;
114     bool m_isStatic;
115 };
116 
117 } // namespace Bindings
118 
119 } // namespace JSC
120 
121 #endif // ENABLE(MAC_JAVA_BRIDGE)
122 
123 #endif // JNIBridge_h
124