1 /*
2 **
3 ** Copyright 2011, The Android Open Source Project
4 **
5 ** Licensed under the Apache License, Version 2.0 (the "License");
6 ** you may not use this file except in compliance with the License.
7 ** You may obtain a copy of the License at
8 **
9 ** http://www.apache.org/licenses/LICENSE-2.0
10 **
11 ** Unless required by applicable law or agreed to in writing, software
12 ** distributed under the License is distributed on an "AS IS" BASIS,
13 ** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 ** See the License for the specific language governing permissions and
15 ** limitations under the License.
16 */
17
18 #define LOG_TAG "LatinIME: jni"
19
20 #include "com_android_inputmethod_keyboard_ProximityInfo.h"
21 #include "com_android_inputmethod_latin_BinaryDictionary.h"
22 #include "jni.h"
23 #include "proximity_info.h"
24
25 #include <assert.h>
26 #include <errno.h>
27 #include <stdio.h>
28
29 using namespace latinime;
30
31 /*
32 * Returns the JNI version on success, -1 on failure.
33 */
JNI_OnLoad(JavaVM * vm,void * reserved)34 jint JNI_OnLoad(JavaVM* vm, void* reserved) {
35 JNIEnv* env = NULL;
36 jint result = -1;
37
38 if (vm->GetEnv((void**) &env, JNI_VERSION_1_4) != JNI_OK) {
39 LOGE("ERROR: GetEnv failed");
40 goto bail;
41 }
42 assert(env != NULL);
43
44 if (!register_BinaryDictionary(env)) {
45 LOGE("ERROR: BinaryDictionary native registration failed");
46 goto bail;
47 }
48
49 if (!register_ProximityInfo(env)) {
50 LOGE("ERROR: ProximityInfo native registration failed");
51 goto bail;
52 }
53
54 /* success -- return valid version number */
55 result = JNI_VERSION_1_4;
56
57 bail:
58 return result;
59 }
60
61 namespace latinime {
62
registerNativeMethods(JNIEnv * env,const char * className,JNINativeMethod * methods,int numMethods)63 int registerNativeMethods(JNIEnv* env, const char* className, JNINativeMethod* methods,
64 int numMethods) {
65 jclass clazz = env->FindClass(className);
66 if (clazz == NULL) {
67 LOGE("Native registration unable to find class '%s'", className);
68 return JNI_FALSE;
69 }
70 if (env->RegisterNatives(clazz, methods, numMethods) < 0) {
71 LOGE("RegisterNatives failed for '%s'", className);
72 env->DeleteLocalRef(clazz);
73 return JNI_FALSE;
74 }
75 env->DeleteLocalRef(clazz);
76 return JNI_TRUE;
77 }
78
79 } // namespace latinime
80