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 #include "config.h"
27 #include "JavaClassJobjectV8.h"
28
29 #if ENABLE(JAVA_BRIDGE)
30
31 #include "JavaFieldJobjectV8.h"
32 #include "JavaMethodJobject.h"
33
34 using namespace JSC::Bindings;
35
JavaClassJobject(jobject anInstance)36 JavaClassJobject::JavaClassJobject(jobject anInstance)
37 {
38 jobject aClass = callJNIMethod<jobject>(anInstance, "getClass", "()Ljava/lang/Class;");
39
40 if (!aClass) {
41 LOG_ERROR("unable to call getClass on instance %p", anInstance);
42 return;
43 }
44
45 JNIEnv* env = getJNIEnv();
46
47 // Get the fields
48 jarray fields = static_cast<jarray>(callJNIMethod<jobject>(aClass, "getFields", "()[Ljava/lang/reflect/Field;"));
49 int numFields = env->GetArrayLength(fields);
50 for (int i = 0; i < numFields; i++) {
51 jobject aJField = env->GetObjectArrayElement(static_cast<jobjectArray>(fields), i);
52 JavaField* aField = new JavaFieldJobject(env, aJField); // deleted in the JavaClass destructor
53 m_fields.set(aField->name(), aField);
54 env->DeleteLocalRef(aJField);
55 }
56
57 // Get the methods
58 jarray methods = static_cast<jarray>(callJNIMethod<jobject>(aClass, "getMethods", "()[Ljava/lang/reflect/Method;"));
59 int numMethods = env->GetArrayLength(methods);
60 for (int i = 0; i < numMethods; i++) {
61 jobject aJMethod = env->GetObjectArrayElement(static_cast<jobjectArray>(methods), i);
62 JavaMethod* aMethod = new JavaMethodJobject(env, aJMethod); // deleted in the JavaClass destructor
63 MethodList* methodList = m_methods.get(aMethod->name());
64 if (!methodList) {
65 methodList = new MethodList();
66 m_methods.set(aMethod->name(), methodList);
67 }
68 methodList->append(aMethod);
69 env->DeleteLocalRef(aJMethod);
70 }
71 env->DeleteLocalRef(fields);
72 env->DeleteLocalRef(methods);
73 env->DeleteLocalRef(aClass);
74 }
75
~JavaClassJobject()76 JavaClassJobject::~JavaClassJobject()
77 {
78 deleteAllValues(m_fields);
79 m_fields.clear();
80
81 MethodListMap::const_iterator end = m_methods.end();
82 for (MethodListMap::const_iterator it = m_methods.begin(); it != end; ++it) {
83 const MethodList* methodList = it->second;
84 deleteAllValues(*methodList);
85 delete methodList;
86 }
87 m_methods.clear();
88 }
89
methodsNamed(const char * name) const90 MethodList JavaClassJobject::methodsNamed(const char* name) const
91 {
92 MethodList* methodList = m_methods.get(name);
93
94 if (methodList)
95 return *methodList;
96 return MethodList();
97 }
98
fieldNamed(const char * name) const99 JavaField* JavaClassJobject::fieldNamed(const char* name) const
100 {
101 return m_fields.get(name);
102 }
103
104 #endif // ENABLE(JAVA_BRIDGE)
105