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> 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 36 jobject booleanValueOf(JNIEnv* env, jboolean value) { 37 return valueOf(env, JniConstants::booleanClass, "(Z)Ljava/lang/Boolean;", value); 38 } 39 40 jobject doubleValueOf(JNIEnv* env, jdouble value) { 41 return valueOf(env, JniConstants::doubleClass, "(D)Ljava/lang/Double;", value); 42 } 43 44 jobject integerValueOf(JNIEnv* env, jint value) { 45 return valueOf(env, JniConstants::integerClass, "(I)Ljava/lang/Integer;", value); 46 } 47 48 jobject longValueOf(JNIEnv* env, jlong value) { 49 return valueOf(env, JniConstants::longClass, "(J)Ljava/lang/Long;", value); 50 } 51 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 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
