| /* |
| * Copyright (C) 2003, 2004, 2005, 2007, 2009 Apple Inc. All rights reserved. |
| * Copyright 2010, The Android Open Source Project |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * |
| * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY |
| * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR |
| * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
| * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
| * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
| * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY |
| * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #include "config.h" |
| #include "JavaMethodJobject.h" |
| |
| #if ENABLE(JAVA_BRIDGE) |
| |
| #include "JavaString.h" |
| |
| #if USE(JSC) |
| #include <runtime/JSObject.h> |
| #include <runtime/ScopeChain.h> |
| #endif |
| #include <wtf/text/StringBuilder.h> |
| |
| using namespace JSC; |
| using namespace JSC::Bindings; |
| |
| JavaMethodJobject::JavaMethodJobject(JNIEnv* env, jobject aMethod) |
| { |
| // Get return type name |
| jstring returnTypeName = 0; |
| if (jobject returnType = callJNIMethod<jobject>(aMethod, "getReturnType", "()Ljava/lang/Class;")) { |
| returnTypeName = static_cast<jstring>(callJNIMethod<jobject>(returnType, "getName", "()Ljava/lang/String;")); |
| if (!returnTypeName) |
| returnTypeName = env->NewStringUTF("<Unknown>"); |
| env->DeleteLocalRef(returnType); |
| } |
| m_returnTypeClassName = JavaString(env, returnTypeName); |
| m_returnType = javaTypeFromClassName(m_returnTypeClassName.utf8()); |
| env->DeleteLocalRef(returnTypeName); |
| |
| // Get method name |
| jstring methodName = static_cast<jstring>(callJNIMethod<jobject>(aMethod, "getName", "()Ljava/lang/String;")); |
| if (!methodName) |
| methodName = env->NewStringUTF("<Unknown>"); |
| m_name = JavaString(env, methodName); |
| env->DeleteLocalRef(methodName); |
| |
| // Get parameters |
| if (jarray jparameters = static_cast<jarray>(callJNIMethod<jobject>(aMethod, "getParameterTypes", "()[Ljava/lang/Class;"))) { |
| unsigned int numParams = env->GetArrayLength(jparameters); |
| |
| for (unsigned int i = 0; i < numParams; i++) { |
| jobject aParameter = env->GetObjectArrayElement(static_cast<jobjectArray>(jparameters), i); |
| jstring parameterName = static_cast<jstring>(callJNIMethod<jobject>(aParameter, "getName", "()Ljava/lang/String;")); |
| if (!parameterName) |
| parameterName = env->NewStringUTF("<Unknown>"); |
| m_parameters.append(JavaString(env, parameterName).impl()); |
| env->DeleteLocalRef(aParameter); |
| env->DeleteLocalRef(parameterName); |
| } |
| env->DeleteLocalRef(jparameters); |
| } |
| |
| // Created lazily. |
| m_signature = 0; |
| |
| jclass modifierClass = env->FindClass("java/lang/reflect/Modifier"); |
| int modifiers = callJNIMethod<jint>(aMethod, "getModifiers", "()I"); |
| m_isStatic = static_cast<bool>(callJNIStaticMethod<jboolean>(modifierClass, "isStatic", "(I)Z", modifiers)); |
| env->DeleteLocalRef(modifierClass); |
| } |
| |
| JavaMethodJobject::~JavaMethodJobject() |
| { |
| if (m_signature) |
| fastFree(m_signature); |
| } |
| |
| // JNI method signatures use '/' between components of a class name, but |
| // we get '.' between components from the reflection API. |
| static void appendClassName(StringBuilder& builder, const char* className) |
| { |
| #if USE(JSC) |
| ASSERT(JSLock::lockCount() > 0); |
| #endif |
| |
| char* c = fastStrDup(className); |
| |
| char* result = c; |
| while (*c) { |
| if (*c == '.') |
| *c = '/'; |
| c++; |
| } |
| |
| builder.append(result); |
| |
| fastFree(result); |
| } |
| |
| const char* JavaMethodJobject::signature() const |
| { |
| if (!m_signature) { |
| #if USE(JSC) |
| JSLock lock(SilenceAssertionsOnly); |
| #endif |
| |
| StringBuilder signatureBuilder; |
| signatureBuilder.append('('); |
| for (unsigned int i = 0; i < m_parameters.size(); i++) { |
| CString javaClassName = parameterAt(i).utf8(); |
| JavaType type = javaTypeFromClassName(javaClassName.data()); |
| if (type == JavaTypeArray) |
| appendClassName(signatureBuilder, javaClassName.data()); |
| else { |
| signatureBuilder.append(signatureFromJavaType(type)); |
| if (type == JavaTypeObject |
| // ANDROID |
| || type == JavaTypeString |
| // ANDROID |
| ) { |
| appendClassName(signatureBuilder, javaClassName.data()); |
| signatureBuilder.append(';'); |
| } |
| } |
| } |
| signatureBuilder.append(')'); |
| |
| const char* returnType = m_returnTypeClassName.utf8(); |
| if (m_returnType == JavaTypeArray) |
| appendClassName(signatureBuilder, returnType); |
| else { |
| signatureBuilder.append(signatureFromJavaType(m_returnType)); |
| if (m_returnType == JavaTypeObject |
| // ANDROID |
| || m_returnType == JavaTypeString |
| // ANDROID |
| ) { |
| appendClassName(signatureBuilder, returnType); |
| signatureBuilder.append(';'); |
| } |
| } |
| |
| String signatureString = signatureBuilder.toString(); |
| m_signature = fastStrDup(signatureString.utf8().data()); |
| } |
| |
| return m_signature; |
| } |
| |
| #endif // ENABLE(JAVA_BRIDGE) |