1 /*
2 * Copyright (C) 2011 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 #define LOG_TAG "LatinIME: jni"
18
19 #include "jni_common.h"
20
21 #include "com_android_inputmethod_keyboard_ProximityInfo.h"
22 #include "com_android_inputmethod_latin_BinaryDictionary.h"
23 #include "com_android_inputmethod_latin_BinaryDictionaryUtils.h"
24 #include "com_android_inputmethod_latin_DicTraverseSession.h"
25 #include "defines.h"
26
27 /*
28 * Returns the JNI version on success, -1 on failure.
29 */
JNI_OnLoad(JavaVM * vm,void * reserved)30 jint JNI_OnLoad(JavaVM *vm, void *reserved) {
31 JNIEnv *env = 0;
32
33 if (vm->GetEnv(reinterpret_cast<void **>(&env), JNI_VERSION_1_6) != JNI_OK) {
34 AKLOGE("ERROR: GetEnv failed");
35 return -1;
36 }
37 ASSERT(env);
38 if (!env) {
39 AKLOGE("ERROR: JNIEnv is invalid");
40 return -1;
41 }
42 if (!latinime::register_BinaryDictionary(env)) {
43 AKLOGE("ERROR: BinaryDictionary native registration failed");
44 return -1;
45 }
46 if (!latinime::register_BinaryDictionaryUtils(env)) {
47 AKLOGE("ERROR: BinaryDictionaryUtils native registration failed");
48 return -1;
49 }
50 if (!latinime::register_DicTraverseSession(env)) {
51 AKLOGE("ERROR: DicTraverseSession native registration failed");
52 return -1;
53 }
54 if (!latinime::register_ProximityInfo(env)) {
55 AKLOGE("ERROR: ProximityInfo native registration failed");
56 return -1;
57 }
58 /* success -- return valid version number */
59 return JNI_VERSION_1_6;
60 }
61
62 namespace latinime {
registerNativeMethods(JNIEnv * env,const char * const className,const JNINativeMethod * methods,const int numMethods)63 int registerNativeMethods(JNIEnv *env, const char *const className, const JNINativeMethod *methods,
64 const int numMethods) {
65 jclass clazz = env->FindClass(className);
66 if (!clazz) {
67 AKLOGE("Native registration unable to find class '%s'", className);
68 return JNI_FALSE;
69 }
70 if (env->RegisterNatives(clazz, methods, numMethods) != 0) {
71 AKLOGE("RegisterNatives failed for '%s'", className);
72 env->DeleteLocalRef(clazz);
73 return JNI_FALSE;
74 }
75 env->DeleteLocalRef(clazz);
76 return JNI_TRUE;
77 }
78 } // namespace latinime
79