logging method for methods

joeferner · joeferner · commit 888f9ba08f67 · 2012-10-29T13:32:42.000-04:00
diff --git a/src/methodCallBaton.cpp b/src/methodCallBaton.cpp
@@ -83,7 +83,7 @@ void NewInstanceBaton::execute(JNIEnv *env) {
   jclass constructorClazz = env->FindClass("java/lang/reflect/Constructor");
   jmethodID constructor_newInstance = env->GetMethodID(constructorClazz, "newInstance", "([Ljava/lang/Object;)Ljava/lang/Object;");
 
-  //printf("invoke: %s\n", javaObjectToString(env, m_method).c_str());
+  //printf("invoke: %s\n", javaMethodCallToString(env, m_method, constructor_newInstance, m_args).c_str());
 
   jobject result = env->CallObjectMethod(m_method, constructor_newInstance, m_args);
   jthrowable err = env->ExceptionOccurred();
diff --git a/src/utils.cpp b/src/utils.cpp
@@ -65,6 +65,31 @@ std::string javaObjectToString(JNIEnv *env, jobject obj) {
   return javaToString(env, result);
 }
 
+std::string javaMethodCallToString(JNIEnv *env, jobject obj, jmethodID methodId, jarray args) {
+  char temp[100];
+
+  std::ostringstream result;
+  sprintf(temp, "0x%08X", (int)env);
+  result << temp;
+  result << ": ";
+  result << javaObjectToString(env, obj);
+  result << ": ";
+  sprintf(temp, "0x%08X", (int)methodId);
+  result << temp;
+  result << ": (";
+  jsize arraySize = env->GetArrayLength(args);
+  for(int i=0; i<arraySize; i++) {
+    if(i != 0) {
+      result << ", ";
+    }
+    jobject arg = env->GetObjectArrayElement((jobjectArray)args, i);
+    result << javaObjectToString(env, arg);
+  }
+  result << ")";
+
+  return result.str();
+}
+
 JNIEnv* javaAttachCurrentThread(JavaVM* jvm) {
   JNIEnv* env;
   JavaVMAttachArgs attachArgs;
diff --git a/src/utils.h b/src/utils.h
@@ -49,6 +49,7 @@ void javaReflectionGetMethods(JNIEnv *env, jclass clazz, std::list<jobject>* met
 void javaReflectionGetFields(JNIEnv *env, jclass clazz, std::list<jobject>* fields);
 std::string javaToString(JNIEnv *env, jstring str);
 std::string javaObjectToString(JNIEnv *env, jobject obj);
+std::string javaMethodCallToString(JNIEnv *env, jobject obj, jmethodID methodId, jarray args);
 JNIEnv* javaAttachCurrentThread(JavaVM* jvm);
 void javaDetachCurrentThread(JavaVM* jvm);
 jvalueType javaGetType(JNIEnv *env, jclass type);
