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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 
init(JavaVM * vm,JNIEnv * env)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