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      1 /*
      2  * Copyright (C) 2017 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 #include "JniConstants.h"
     18 
     19 using namespace conscrypt;
     20 
     21 JavaVM *JniConstants::gJavaVM;
     22 jclass JniConstants::cryptoUpcallsClass;
     23 jclass JniConstants::openSslInputStreamClass;
     24 jclass JniConstants::nativeRefClass;
     25 
     26 jclass JniConstants::byteArrayClass;
     27 jclass JniConstants::calendarClass;
     28 jclass JniConstants::objectClass;
     29 jclass JniConstants::objectArrayClass;
     30 jclass JniConstants::integerClass;
     31 jclass JniConstants::inputStreamClass;
     32 jclass JniConstants::outputStreamClass;
     33 jclass JniConstants::stringClass;
     34 
     35 jfieldID JniConstants::nativeRef_context;
     36 
     37 jmethodID JniConstants::calendar_setMethod;
     38 jmethodID JniConstants::inputStream_readMethod;
     39 jmethodID JniConstants::integer_valueOfMethod;
     40 jmethodID JniConstants::openSslInputStream_readLineMethod;
     41 jmethodID JniConstants::outputStream_writeMethod;
     42 jmethodID JniConstants::outputStream_flushMethod;
     43 
     44 void JniConstants::init(JavaVM *vm, JNIEnv *env) {
     45     gJavaVM = vm;
     46 
     47     byteArrayClass = JniUtil::findClass(env, "[B");
     48     calendarClass = JniUtil::findClass(env, "java/util/Calendar");
     49     inputStreamClass = JniUtil::findClass(env, "java/io/InputStream");
     50     integerClass = JniUtil::findClass(env, "java/lang/Integer");
     51     objectClass = JniUtil::findClass(env, "java/lang/Object");
     52     objectArrayClass = JniUtil::findClass(env, "[Ljava/lang/Object;");
     53     outputStreamClass = JniUtil::findClass(env, "java/io/OutputStream");
     54     stringClass = JniUtil::findClass(env, "java/lang/String");
     55 
     56     cryptoUpcallsClass = JniUtil::getGlobalRefToClass(
     57             env, TO_STRING(JNI_JARJAR_PREFIX) "org/conscrypt/CryptoUpcalls");
     58     nativeRefClass = JniUtil::getGlobalRefToClass(
     59             env, TO_STRING(JNI_JARJAR_PREFIX) "org/conscrypt/NativeRef");
     60     openSslInputStreamClass = JniUtil::getGlobalRefToClass(
     61             env, TO_STRING(JNI_JARJAR_PREFIX) "org/conscrypt/OpenSSLBIOInputStream");
     62 
     63     nativeRef_context = JniUtil::getFieldRef(env, nativeRefClass, "context", "J");
     64 
     65     calendar_setMethod = JniUtil::getMethodRef(env, calendarClass, "set", "(IIIIII)V");
     66     inputStream_readMethod = JniUtil::getMethodRef(env, inputStreamClass, "read", "([B)I");
     67     integer_valueOfMethod =
     68             env->GetStaticMethodID(integerClass, "valueOf", "(I)Ljava/lang/Integer;");
     69     openSslInputStream_readLineMethod =
     70             JniUtil::getMethodRef(env, openSslInputStreamClass, "gets", "([B)I");
     71     outputStream_writeMethod = JniUtil::getMethodRef(env, outputStreamClass, "write", "([B)V");
     72     outputStream_flushMethod = JniUtil::getMethodRef(env, outputStreamClass, "flush", "()V");
     73 }
     74