LatinIME/native/jni/jni_common.cpp

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/*
* Copyright (C) 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 "jni_common.h"
#include "com_android_inputmethod_keyboard_ProximityInfo.h"
#include "com_android_inputmethod_latin_BinaryDictionary.h"
#include "com_android_inputmethod_latin_DicTraverseSession.h"
#include "defines.h"
/*
* Returns the JNI version on success, -1 on failure.
*/
jint JNI_OnLoad(JavaVM *vm, void *reserved) {
JNIEnv *env = 0;
if (vm->GetEnv(reinterpret_cast<void **>(&env), JNI_VERSION_1_6) != JNI_OK) {
AKLOGE("ERROR: GetEnv failed");
return -1;
}
ASSERT(env);
if (!env) {
AKLOGE("ERROR: JNIEnv is invalid");
return -1;
}
if (!latinime::register_BinaryDictionary(env)) {
AKLOGE("ERROR: BinaryDictionary native registration failed");
return -1;
}
if (!latinime::register_DicTraverseSession(env)) {
AKLOGE("ERROR: DicTraverseSession native registration failed");
return -1;
}
if (!latinime::register_ProximityInfo(env)) {
AKLOGE("ERROR: ProximityInfo native registration failed");
return -1;
}
/* success -- return valid version number */
return JNI_VERSION_1_6;
}
namespace latinime {
int registerNativeMethods(JNIEnv *env, const char *className, JNINativeMethod *methods,
int numMethods) {
jclass clazz = env->FindClass(className);
if (!clazz) {
AKLOGE("Native registration unable to find class '%s'", className);
return JNI_FALSE;
}
if (env->RegisterNatives(clazz, methods, numMethods) < 0) {
AKLOGE("RegisterNatives failed for '%s'", className);
env->DeleteLocalRef(clazz);
return JNI_FALSE;
}
env->DeleteLocalRef(clazz);
return JNI_TRUE;
}
} // namespace latinime