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/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*-
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
#include "JNIUtil.h"
#include "vrb/Logger.h"
namespace crow {
jmethodID
FindJNIMethodID(JNIEnv* aEnv, jclass aClass, const char* aName, const char* aSignature, const bool aIsStatic) {
if (!aEnv) {
VRB_ERROR("Null JNIEnv, unable to find JNI method: %s", aName);
return nullptr;
}
if (!aClass) {
VRB_ERROR("Null java class. Unable to find JNI method: %s", aName);
return nullptr;
}
jmethodID result = nullptr;
if (aIsStatic) {
result = aEnv->GetStaticMethodID(aClass, aName, aSignature);
} else {
result = aEnv->GetMethodID(aClass, aName, aSignature);
}
if (aEnv->ExceptionCheck() == JNI_TRUE) {
VRB_ERROR("Failed to find JNI method: %s %s", aName, aSignature);
aEnv->ExceptionClear();
return nullptr;
}
return result;
}
bool
ValidateMethodID(JNIEnv* aEnv, jobject aObject, jmethodID aMethod, const char* aName) {
if (!aEnv) {
VRB_ERROR("JNI::%s failed. Java not initialized.", aName);
return false;
}
if (!aMethod) {
VRB_ERROR("JNI::%s failed. Java method is null", aName);
return false;
}
if (!aObject) {
VRB_ERROR("JNI::%s failed. Java object is null", aName);
return false;
}
return true;
}
bool
ValidateStaticMethodID(JNIEnv* aEnv, jclass aClass, jmethodID aMethod, const char* aName) {
if (!aEnv) {
VRB_ERROR("JNI::%s failed. Java not initialized.", aName);
return false;
}
if (!aMethod) {
VRB_ERROR("JNI::%s failed. Java method is null", aName);
return false;
}
if (!aClass) {
VRB_ERROR("JNI::%s failed. Java class is null", aName);
return false;
}
return true;
}
void
CheckJNIException(JNIEnv* aEnv, const char* aName) {
if (!aEnv) {
return;
}
if (aEnv->ExceptionCheck() == JNI_TRUE) {
aEnv->ExceptionClear();
VRB_ERROR("Java exception encountered when calling %s", aName);
}
}
}