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 "JniConstants"
18 
19 #include "ALog-priv.h"
20 #include "JniConstants.h"
21 #include "ScopedLocalRef.h"
22 
23 #include <stdlib.h>
24 
25 jclass JniConstants::bidiRunClass;
26 jclass JniConstants::bigDecimalClass;
27 jclass JniConstants::booleanClass;
28 jclass JniConstants::byteArrayClass;
29 jclass JniConstants::byteClass;
30 jclass JniConstants::calendarClass;
31 jclass JniConstants::characterClass;
32 jclass JniConstants::charsetICUClass;
33 jclass JniConstants::constructorClass;
34 jclass JniConstants::deflaterClass;
35 jclass JniConstants::doubleClass;
36 jclass JniConstants::errnoExceptionClass;
37 jclass JniConstants::fieldClass;
38 jclass JniConstants::fieldPositionIteratorClass;
39 jclass JniConstants::fileDescriptorClass;
40 jclass JniConstants::floatClass;
41 jclass JniConstants::gaiExceptionClass;
42 jclass JniConstants::inet6AddressClass;
43 jclass JniConstants::inetAddressClass;
44 jclass JniConstants::inetSocketAddressClass;
45 jclass JniConstants::inetUnixAddressClass;
46 jclass JniConstants::inflaterClass;
47 jclass JniConstants::inputStreamClass;
48 jclass JniConstants::integerClass;
49 jclass JniConstants::localeDataClass;
50 jclass JniConstants::longClass;
51 jclass JniConstants::methodClass;
52 jclass JniConstants::mutableIntClass;
53 jclass JniConstants::mutableLongClass;
54 jclass JniConstants::objectClass;
55 jclass JniConstants::objectArrayClass;
56 jclass JniConstants::outputStreamClass;
57 jclass JniConstants::parsePositionClass;
58 jclass JniConstants::patternSyntaxExceptionClass;
59 jclass JniConstants::realToStringClass;
60 jclass JniConstants::referenceClass;
61 jclass JniConstants::shortClass;
62 jclass JniConstants::socketClass;
63 jclass JniConstants::socketImplClass;
64 jclass JniConstants::stringClass;
65 jclass JniConstants::structAddrinfoClass;
66 jclass JniConstants::structFlockClass;
67 jclass JniConstants::structGroupReqClass;
68 jclass JniConstants::structGroupSourceReqClass;
69 jclass JniConstants::structLingerClass;
70 jclass JniConstants::structPasswdClass;
71 jclass JniConstants::structPollfdClass;
72 jclass JniConstants::structStatClass;
73 jclass JniConstants::structStatVfsClass;
74 jclass JniConstants::structTimevalClass;
75 jclass JniConstants::structUcredClass;
76 jclass JniConstants::structUtsnameClass;
77 
findClass(JNIEnv * env,const char * name)78 static jclass findClass(JNIEnv* env, const char* name) {
79     ScopedLocalRef<jclass> localClass(env, env->FindClass(name));
80     jclass result = reinterpret_cast<jclass>(env->NewGlobalRef(localClass.get()));
81     if (result == NULL) {
82         ALOGE("failed to find class '%s'", name);
83         abort();
84     }
85     return result;
86 }
87 
init(JNIEnv * env)88 void JniConstants::init(JNIEnv* env) {
89     bidiRunClass = findClass(env, "java/text/Bidi$Run");
90     bigDecimalClass = findClass(env, "java/math/BigDecimal");
91     booleanClass = findClass(env, "java/lang/Boolean");
92     byteClass = findClass(env, "java/lang/Byte");
93     byteArrayClass = findClass(env, "[B");
94     calendarClass = findClass(env, "java/util/Calendar");
95     characterClass = findClass(env, "java/lang/Character");
96     charsetICUClass = findClass(env, "java/nio/charset/CharsetICU");
97     constructorClass = findClass(env, "java/lang/reflect/Constructor");
98     floatClass = findClass(env, "java/lang/Float");
99     deflaterClass = findClass(env, "java/util/zip/Deflater");
100     doubleClass = findClass(env, "java/lang/Double");
101     errnoExceptionClass = findClass(env, "android/system/ErrnoException");
102     fieldClass = findClass(env, "java/lang/reflect/Field");
103     fieldPositionIteratorClass = findClass(env, "libcore/icu/NativeDecimalFormat$FieldPositionIterator");
104     fileDescriptorClass = findClass(env, "java/io/FileDescriptor");
105     gaiExceptionClass = findClass(env, "android/system/GaiException");
106     inet6AddressClass = findClass(env, "java/net/Inet6Address");
107     inetAddressClass = findClass(env, "java/net/InetAddress");
108     inetSocketAddressClass = findClass(env, "java/net/InetSocketAddress");
109     inetUnixAddressClass = findClass(env, "java/net/InetUnixAddress");
110     inflaterClass = findClass(env, "java/util/zip/Inflater");
111     inputStreamClass = findClass(env, "java/io/InputStream");
112     integerClass = findClass(env, "java/lang/Integer");
113     localeDataClass = findClass(env, "libcore/icu/LocaleData");
114     longClass = findClass(env, "java/lang/Long");
115     methodClass = findClass(env, "java/lang/reflect/Method");
116     mutableIntClass = findClass(env, "android/util/MutableInt");
117     mutableLongClass = findClass(env, "android/util/MutableLong");
118     objectClass = findClass(env, "java/lang/Object");
119     objectArrayClass = findClass(env, "[Ljava/lang/Object;");
120     outputStreamClass = findClass(env, "java/io/OutputStream");
121     parsePositionClass = findClass(env, "java/text/ParsePosition");
122     patternSyntaxExceptionClass = findClass(env, "java/util/regex/PatternSyntaxException");
123     realToStringClass = findClass(env, "java/lang/RealToString");
124     referenceClass = findClass(env, "java/lang/ref/Reference");
125     shortClass = findClass(env, "java/lang/Short");
126     socketClass = findClass(env, "java/net/Socket");
127     socketImplClass = findClass(env, "java/net/SocketImpl");
128     stringClass = findClass(env, "java/lang/String");
129     structAddrinfoClass = findClass(env, "android/system/StructAddrinfo");
130     structFlockClass = findClass(env, "android/system/StructFlock");
131     structGroupReqClass = findClass(env, "android/system/StructGroupReq");
132     structGroupSourceReqClass = findClass(env, "android/system/StructGroupSourceReq");
133     structLingerClass = findClass(env, "android/system/StructLinger");
134     structPasswdClass = findClass(env, "android/system/StructPasswd");
135     structPollfdClass = findClass(env, "android/system/StructPollfd");
136     structStatClass = findClass(env, "android/system/StructStat");
137     structStatVfsClass = findClass(env, "android/system/StructStatVfs");
138     structTimevalClass = findClass(env, "android/system/StructTimeval");
139     structUcredClass = findClass(env, "android/system/StructUcred");
140     structUtsnameClass = findClass(env, "android/system/StructUtsname");
141 }
142