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      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 #ifndef LATINIME_JNI_COMMON_H
     19 #define LATINIME_JNI_COMMON_H
     20 
     21 #include <stdlib.h>
     22 
     23 #include "jni.h"
     24 
     25 namespace latinime {
     26 
     27 int registerNativeMethods(JNIEnv *env, const char *className, JNINativeMethod *methods,
     28         int numMethods);
     29 
     30 inline jint *safeGetIntArrayElements(JNIEnv *env, jintArray jArray) {
     31     if (jArray) {
     32         return env->GetIntArrayElements(jArray, 0);
     33     } else {
     34         return 0;
     35     }
     36 }
     37 
     38 inline jfloat *safeGetFloatArrayElements(JNIEnv *env, jfloatArray jArray) {
     39     if (jArray) {
     40         return env->GetFloatArrayElements(jArray, 0);
     41     } else {
     42         return 0;
     43     }
     44 }
     45 
     46 inline void safeReleaseIntArrayElements(JNIEnv *env, jintArray jArray, jint *cArray) {
     47     if (jArray) {
     48         env->ReleaseIntArrayElements(jArray, cArray, 0);
     49     }
     50 }
     51 
     52 inline void safeReleaseFloatArrayElements(JNIEnv *env, jfloatArray jArray, jfloat *cArray) {
     53     if (jArray) {
     54         env->ReleaseFloatArrayElements(jArray, cArray, 0);
     55     }
     56 }
     57 
     58 } // namespace latinime
     59 
     60 #endif // LATINIME_JNI_COMMON_H
     61