LatinIME/native/jni/jni_common.cpp

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/*
**
** Copyright 2011, The Android Open Source Project
**
** Licensed under the Apache License, Version 2.0 (the "License");
** you may not use this file except in compliance with the License.
** You may obtain a copy of the License at
**
** http://www.apache.org/licenses/LICENSE-2.0
**
** Unless required by applicable law or agreed to in writing, software
** distributed under the License is distributed on an "AS IS" BASIS,
** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
** See the License for the specific language governing permissions and
** limitations under the License.
*/
#define LOG_TAG "LatinIME: jni"
#include "com_android_inputmethod_keyboard_ProximityInfo.h"
#include "com_android_inputmethod_latin_BinaryDictionary.h"
#include "jni.h"
#include "proximity_info.h"
#include <assert.h>
#include <errno.h>
#include <stdio.h>
using namespace latinime;
/*
* Returns the JNI version on success, -1 on failure.
*/
jint JNI_OnLoad(JavaVM* vm, void* reserved) {
JNIEnv* env = 0;
jint result = -1;
if (vm->GetEnv((void**) &env, JNI_VERSION_1_4) != JNI_OK) {
LOGE("ERROR: GetEnv failed");
goto bail;
}
assert(env != 0);
if (!register_BinaryDictionary(env)) {
LOGE("ERROR: BinaryDictionary native registration failed");
goto bail;
}
if (!register_ProximityInfo(env)) {
LOGE("ERROR: ProximityInfo native registration failed");
goto bail;
}
/* success -- return valid version number */
result = JNI_VERSION_1_4;
bail:
return result;
}
namespace latinime {
int registerNativeMethods(JNIEnv* env, const char* className, JNINativeMethod* methods,
int numMethods) {
jclass clazz = env->FindClass(className);
if (clazz == 0) {
LOGE("Native registration unable to find class '%s'", className);
return JNI_FALSE;
}
if (env->RegisterNatives(clazz, methods, numMethods) < 0) {
LOGE("RegisterNatives failed for '%s'", className);
env->DeleteLocalRef(clazz);
return JNI_FALSE;
}
env->DeleteLocalRef(clazz);
return JNI_TRUE;
}
} // namespace latinime