1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172
|
/*****************************************************************************
Copyright 2004 Steve Menard
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*****************************************************************************/
#include <jpype.h>
namespace {
//AT's on porting:
// 1) TODO: test on HP-UX platform. Cause: it is suspected to be an undefined order of initialization of static objects
//
// 2) TODO: in any case, use of static objects may impose problems in multi-threaded environment.
typedef map<JPTypeName::ETypes, JPType*> TypeMap;
typedef map<string, JPClass* > JavaClassMap;
typedef map<string, JPArrayClass* > JavaArrayClassMap;
TypeMap typeMap;
JavaClassMap javaClassMap;
JavaArrayClassMap javaArrayClassMap;
// TypeMap typeMap;
// JavaClassMap javaClassMap;
// JavaArrayClassMap javaArrayClassMap;
}
namespace JPTypeManager {
void init()
{
typeMap[JPTypeName::_void] = new JPVoidType();
typeMap[JPTypeName::_byte] = new JPByteType();
typeMap[JPTypeName::_short] = new JPShortType();
typeMap[JPTypeName::_int] = new JPIntType();
typeMap[JPTypeName::_long] = new JPLongType();
typeMap[JPTypeName::_float] = new JPFloatType();
typeMap[JPTypeName::_double] = new JPDoubleType();
typeMap[JPTypeName::_char] = new JPCharType();
typeMap[JPTypeName::_boolean] = new JPBooleanType();
typeMap[JPTypeName::_string] = new JPStringType();
// Preload the "primitive" types
javaClassMap["byte"] = new JPClass(JPTypeName::fromSimple("byte"), JPJni::getByteClass());
javaClassMap["short"] = new JPClass(JPTypeName::fromSimple("short"), JPJni::getShortClass());
javaClassMap["int"] = new JPClass(JPTypeName::fromSimple("int"), JPJni::getIntegerClass());
javaClassMap["long"] = new JPClass(JPTypeName::fromSimple("long"), JPJni::getLongClass());
javaClassMap["float"] = new JPClass(JPTypeName::fromSimple("float"), JPJni::getFloatClass());
javaClassMap["double"] = new JPClass(JPTypeName::fromSimple("double"), JPJni::getDoubleClass());
javaClassMap["char"] = new JPClass(JPTypeName::fromSimple("char"), JPJni::getCharacterClass());
javaClassMap["boolean"] = new JPClass(JPTypeName::fromSimple("boolean"), JPJni::getBooleanClass());
javaClassMap["void"] = new JPClass(JPTypeName::fromSimple("void"), JPJni::getVoidClass());
}
JPClass* findClass(const JPTypeName& name)
{
// Fist check in the map ...
JavaClassMap::iterator cur = javaClassMap.find(name.getSimpleName());
if (cur != javaClassMap.end())
{
return cur->second;
}
TRACE_IN("JPTypeManager::findClass");
TRACE1(name.getSimpleName());
// No we havent got it .. lets load it!!!
JPLocalFrame frame;
if (JPEnv::getJava()==0)
return 0;
jclass cls = JPEnv::getJava()->FindClass(name.getNativeName().c_str());
JPClass* res = new JPClass(name, cls);
// Finish loading it
res->postLoad();
// Register it here before we do anything else
javaClassMap[name.getSimpleName()] = res;
return res;
TRACE_OUT;
}
JPArrayClass* findArrayClass(const JPTypeName& name)
{
// Fist check in the map ...
JavaArrayClassMap::iterator cur = javaArrayClassMap.find(name.getSimpleName());
if (cur != javaArrayClassMap.end())
{
return cur->second;
}
// No we havent got it .. lets load it!!!
JPLocalFrame frame;
jclass cls = JPEnv::getJava()->FindClass(name.getNativeName().c_str());
JPArrayClass* res = new JPArrayClass(name, cls);
// Register it here before we do anything else
javaArrayClassMap[name.getSimpleName()] = res;
return res;
}
JPType* getType(const JPTypeName& t)
{
TRACE_IN("JPTypeManager::getType");
TRACE1(t.getSimpleName());
map<JPTypeName::ETypes, JPType*>::iterator it = typeMap.find(t.getType());
if (it != typeMap.end())
{
return it->second;
}
if (t.getType() == JPTypeName::_array)
{
JPArrayClass* c = findArrayClass(t);
return c;
}
else
{
JPClass* c = findClass(t);
return c;
}
TRACE_OUT;
}
void shutdown()
{
flushCache();
// delete primitive types
for(TypeMap::iterator i = typeMap.begin(); i != typeMap.end(); ++i)
{
delete i->second;
}
}
void flushCache()
{
for(JavaClassMap::iterator i = javaClassMap.begin(); i != javaClassMap.end(); ++i)
{
delete i->second;
}
for(JavaArrayClassMap::iterator i = javaArrayClassMap.begin();
i != javaArrayClassMap.end(); ++i)
{
delete i->second;
}
javaClassMap.clear();
javaArrayClassMap.clear();
}
int getLoadedClasses()
{
// dignostic tools ... unlikely to load more classes than int can hold ...
return (int)(javaClassMap.size() + javaArrayClassMap.size());
}
} // end of namespace JPTypeManager
|