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 #ifndef HOST_TOOL
22 #include "com_android_inputmethod_keyboard_ProximityInfo.h"
23 #include "com_android_inputmethod_latin_BinaryDictionary.h"
24 #include "com_android_inputmethod_latin_DicTraverseSession.h"
25 #endif
26 #include "com_android_inputmethod_latin_makedict_Ver3DictDecoder.h"
27 #include "defines.h"
28
29 /*
30 * Returns the JNI version on success, -1 on failure.
31 */
JNI_OnLoad(JavaVM * vm,void * reserved)32 jint JNI_OnLoad(JavaVM *vm, void *reserved) {
33 JNIEnv *env = 0;
34
35 if (vm->GetEnv(reinterpret_cast<void **>(&env), JNI_VERSION_1_6) != JNI_OK) {
36 AKLOGE("ERROR: GetEnv failed");
37 return -1;
38 }
39 ASSERT(env);
40 if (!env) {
41 AKLOGE("ERROR: JNIEnv is invalid");
42 return -1;
43 }
44 #ifndef HOST_TOOL
45 if (!latinime::register_BinaryDictionary(env)) {
46 AKLOGE("ERROR: BinaryDictionary native registration failed");
47 return -1;
48 }
49 if (!latinime::register_DicTraverseSession(env)) {
50 AKLOGE("ERROR: DicTraverseSession native registration failed");
51 return -1;
52 }
53 if (!latinime::register_ProximityInfo(env)) {
54 AKLOGE("ERROR: ProximityInfo native registration failed");
55 return -1;
56 }
57 #endif
58 if (!latinime::register_Ver3DictDecoder(env)) {
59 AKLOGE("ERROR: Ver3DictDecoder native registration failed");
60 return -1;
61 }
62 /* success -- return valid version number */
63 return JNI_VERSION_1_6;
64 }
65
66 namespace latinime {
registerNativeMethods(JNIEnv * env,const char * const className,const JNINativeMethod * methods,const int numMethods)67 int registerNativeMethods(JNIEnv *env, const char *const className, const JNINativeMethod *methods,
68 const int numMethods) {
69 jclass clazz = env->FindClass(className);
70 if (!clazz) {
71 AKLOGE("Native registration unable to find class '%s'", className);
72 return JNI_FALSE;
73 }
74 if (env->RegisterNatives(clazz, methods, numMethods) < 0) {
75 AKLOGE("RegisterNatives failed for '%s'", className);
76 env->DeleteLocalRef(clazz);
77 return JNI_FALSE;
78 }
79 env->DeleteLocalRef(clazz);
80 return JNI_TRUE;
81 }
82 } // namespace latinime
83