1 /*
2 * Copyright (C) 2010 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 "valueOf"
18
19 #include "valueOf.h"
20 #include <nativehelper/JNIHelp.h>
21 #include <nativehelper/JniConstants.h>
22
23 template <typename T>
valueOf(JNIEnv * env,jclass c,const char * signature,const T & value)24 static jobject valueOf(JNIEnv* env, jclass c, const char* signature, const T& value) {
25 static jmethodID valueOfMethod = env->GetStaticMethodID(c, "valueOf", signature);
26 if (env->ExceptionCheck()) {
27 return NULL;
28 }
29 jobject result = env->CallStaticObjectMethod(c, valueOfMethod, value);
30 if (env->ExceptionCheck()) {
31 return NULL;
32 }
33 return result;
34 }
35
booleanValueOf(JNIEnv * env,jboolean value)36 jobject booleanValueOf(JNIEnv* env, jboolean value) {
37 return valueOf(env, JniConstants::booleanClass, "(Z)Ljava/lang/Boolean;", value);
38 }
39
doubleValueOf(JNIEnv * env,jdouble value)40 jobject doubleValueOf(JNIEnv* env, jdouble value) {
41 return valueOf(env, JniConstants::doubleClass, "(D)Ljava/lang/Double;", value);
42 }
43
integerValueOf(JNIEnv * env,jint value)44 jobject integerValueOf(JNIEnv* env, jint value) {
45 return valueOf(env, JniConstants::integerClass, "(I)Ljava/lang/Integer;", value);
46 }
47
longValueOf(JNIEnv * env,jlong value)48 jobject longValueOf(JNIEnv* env, jlong value) {
49 return valueOf(env, JniConstants::longClass, "(J)Ljava/lang/Long;", value);
50 }
51
booleanValue(JNIEnv * env,jobject javaLangBoolean)52 jboolean booleanValue(JNIEnv* env, jobject javaLangBoolean) {
53 static jfieldID fid = env->GetFieldID(JniConstants::booleanClass, "value", "Z");
54 return env->GetBooleanField(javaLangBoolean, fid);
55 }
56
intValue(JNIEnv * env,jobject javaLangInteger)57 jint intValue(JNIEnv* env, jobject javaLangInteger) {
58 static jfieldID fid = env->GetFieldID(JniConstants::integerClass, "value", "I");
59 return env->GetIntField(javaLangInteger, fid);
60 }
61