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 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 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 90 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 99 JavaField* JavaClassJobject::fieldNamed(const char* name) const 100 { 101 return m_fields.get(name); 102 } 103 104 #endif // ENABLE(JAVA_BRIDGE) 105