2 * Copyright (C) 2003, 2004, 2005, 2007, 2009 Apple Inc. All rights reserved.
3 * Copyright 2010, The Android Open Source Project
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
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9 * notice, this list of conditions and the following disclaimer.
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12 * documentation and/or other materials provided with the distribution.
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,
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28 #include "JavaMethodJobject.h"
30 #if ENABLE(JAVA_BRIDGE)
32 #include "JavaString.h"
35 #include <runtime/JSObject.h>
36 #include <runtime/ScopeChain.h>
38 #include <wtf/text/StringBuilder.h>
41 using namespace JSC::Bindings;
43 JavaMethodJobject::JavaMethodJobject(JNIEnv* env, jobject aMethod)
45 // Get return type name
46 jstring returnTypeName = 0;
47 if (jobject returnType = callJNIMethod<jobject>(aMethod, "getReturnType", "()Ljava/lang/Class;")) {
48 returnTypeName = static_cast<jstring>(callJNIMethod<jobject>(returnType, "getName", "()Ljava/lang/String;"));
50 returnTypeName = env->NewStringUTF("<Unknown>");
51 env->DeleteLocalRef(returnType);
53 m_returnTypeClassName = JavaString(env, returnTypeName);
54 m_returnType = javaTypeFromClassName(m_returnTypeClassName.utf8());
55 env->DeleteLocalRef(returnTypeName);
58 jstring methodName = static_cast<jstring>(callJNIMethod<jobject>(aMethod, "getName", "()Ljava/lang/String;"));
60 methodName = env->NewStringUTF("<Unknown>");
61 m_name = JavaString(env, methodName);
62 env->DeleteLocalRef(methodName);
65 if (jarray jparameters = static_cast<jarray>(callJNIMethod<jobject>(aMethod, "getParameterTypes", "()[Ljava/lang/Class;"))) {
66 unsigned int numParams = env->GetArrayLength(jparameters);
68 for (unsigned int i = 0; i < numParams; i++) {
69 jobject aParameter = env->GetObjectArrayElement(static_cast<jobjectArray>(jparameters), i);
70 jstring parameterName = static_cast<jstring>(callJNIMethod<jobject>(aParameter, "getName", "()Ljava/lang/String;"));
72 parameterName = env->NewStringUTF("<Unknown>");
73 m_parameters.append(JavaString(env, parameterName).impl());
74 env->DeleteLocalRef(aParameter);
75 env->DeleteLocalRef(parameterName);
77 env->DeleteLocalRef(jparameters);
83 jclass modifierClass = env->FindClass("java/lang/reflect/Modifier");
84 int modifiers = callJNIMethod<jint>(aMethod, "getModifiers", "()I");
85 m_isStatic = static_cast<bool>(callJNIStaticMethod<jboolean>(modifierClass, "isStatic", "(I)Z", modifiers));
86 env->DeleteLocalRef(modifierClass);
89 JavaMethodJobject::~JavaMethodJobject()
92 fastFree(m_signature);
95 // JNI method signatures use '/' between components of a class name, but
96 // we get '.' between components from the reflection API.
97 static void appendClassName(StringBuilder& builder, const char* className)
100 ASSERT(JSLock::lockCount() > 0);
103 char* c = fastStrDup(className);
112 builder.append(result);
117 const char* JavaMethodJobject::signature() const
121 JSLock lock(SilenceAssertionsOnly);
124 StringBuilder signatureBuilder;
125 signatureBuilder.append('(');
126 for (unsigned int i = 0; i < m_parameters.size(); i++) {
127 CString javaClassName = parameterAt(i).utf8();
128 JavaType type = javaTypeFromClassName(javaClassName.data());
129 if (type == JavaTypeArray)
130 appendClassName(signatureBuilder, javaClassName.data());
132 signatureBuilder.append(signatureFromJavaType(type));
133 #if PLATFORM(ANDROID) && USE(V8)
134 // FIXME: Upstream to WebKit
135 // https://bugs.webkit.org/show_bug.cgi?id=62389
136 if (type == JavaTypeObject || type == JavaTypeString) {
138 if (type == JavaTypeObject) {
140 appendClassName(signatureBuilder, javaClassName.data());
141 signatureBuilder.append(';');
145 signatureBuilder.append(')');
147 const char* returnType = m_returnTypeClassName.utf8();
148 if (m_returnType == JavaTypeArray)
149 appendClassName(signatureBuilder, returnType);
151 signatureBuilder.append(signatureFromJavaType(m_returnType));
152 #if PLATFORM(ANDROID) && USE(V8)
153 // FIXME: Upstream to WebKit
154 // https://bugs.webkit.org/show_bug.cgi?id=62389
155 if (m_returnType == JavaTypeObject || m_returnType == JavaTypeString) {
157 if (m_returnType == JavaTypeObject) {
159 appendClassName(signatureBuilder, returnType);
160 signatureBuilder.append(';');
164 String signatureString = signatureBuilder.toString();
165 m_signature = fastStrDup(signatureString.utf8().data());
171 #endif // ENABLE(JAVA_BRIDGE)