1 /************************************************************** 2 * 3 * Licensed to the Apache Software Foundation (ASF) under one 4 * or more contributor license agreements. See the NOTICE file 5 * distributed with this work for additional information 6 * regarding copyright ownership. The ASF licenses this file 7 * to you under the Apache License, Version 2.0 (the 8 * "License"); you may not use this file except in compliance 9 * with the License. You may obtain a copy of the License at 10 * 11 * http://www.apache.org/licenses/LICENSE-2.0 12 * 13 * Unless required by applicable law or agreed to in writing, 14 * software distributed under the License is distributed on an 15 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 16 * KIND, either express or implied. See the License for the 17 * specific language governing permissions and limitations 18 * under the License. 19 * 20 *************************************************************/ 21 22 23 24 // MARKER(update_precomp.py): autogen include statement, do not remove 25 #include "precompiled_javaunohelper.hxx" 26 27 #include "jni.h" 28 29 #include "rtl/ustring.hxx" 30 #include "osl/module.h" 31 32 #define OUSTR(x) ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM(x) ) 33 34 #if ! defined SAL_DLLPREFIX 35 #define SAL_DLLPREFIX "" 36 #endif 37 38 using ::rtl::OUString; 39 40 extern "C" 41 { 42 typedef jboolean (JNICALL * fptr_writeInfo)( 43 JNIEnv *, jclass, jstring, jobject, jobject, jobject ); 44 typedef jobject (JNICALL * fptr_getFactory)( 45 JNIEnv *, jclass, jstring, jstring, jobject, jobject, jobject ); 46 typedef jobject (JNICALL * fptr_createRegistryServiceFactory)( 47 JNIEnv *, jclass, jstring, jstring, jboolean, jobject ); 48 typedef jobject (JNICALL * fptr_bootstrap)( 49 JNIEnv *_env, jclass, jstring, jobjectArray, jobject ); 50 51 static fptr_writeInfo s_writeInfo; 52 static fptr_getFactory s_getFactory; 53 static fptr_createRegistryServiceFactory s_createRegistryServiceFactory; 54 static fptr_bootstrap s_bootstrap; 55 static bool s_inited = false; 56 57 extern "C" { static void SAL_CALL thisModule() {} } 58 59 //-------------------------------------------------------------------------------------------------- 60 static bool inited_juhx( JNIEnv * jni_env ) 61 { 62 if (s_inited) 63 return true; 64 OUString lib_name = OUSTR(SAL_DLLPREFIX "juhx" SAL_DLLEXTENSION); 65 oslModule hModule = 66 osl_loadModuleRelative( &thisModule, lib_name.pData, SAL_LOADMODULE_LAZY | SAL_LOADMODULE_GLOBAL ); 67 if (0 == hModule) 68 { 69 jclass c = jni_env->FindClass( "java/lang/RuntimeException" ); 70 jni_env->ThrowNew( 71 c, "error loading " SAL_DLLPREFIX "juhx" SAL_DLLEXTENSION "!" ); 72 return false; 73 } 74 else 75 { 76 OUString symbol = 77 OUSTR("Java_com_sun_star_comp_helper_SharedLibraryLoader_component_1writeInfo"); 78 s_writeInfo = (fptr_writeInfo)osl_getFunctionSymbol( 79 hModule, symbol.pData ); 80 symbol = 81 OUSTR("Java_com_sun_star_comp_helper_SharedLibraryLoader_component_1getFactory"); 82 s_getFactory = (fptr_getFactory)osl_getFunctionSymbol( 83 hModule, symbol.pData ); 84 symbol = 85 OUSTR("Java_com_sun_star_comp_helper_RegistryServiceFactory_createRegistryServiceFactory"); 86 s_createRegistryServiceFactory = 87 (fptr_createRegistryServiceFactory)osl_getFunctionSymbol( 88 hModule, symbol.pData ); 89 symbol = 90 OUSTR("Java_com_sun_star_comp_helper_Bootstrap_cppuhelper_1bootstrap"); 91 s_bootstrap = 92 (fptr_bootstrap)osl_getFunctionSymbol( hModule, symbol.pData ); 93 94 if (0 == s_writeInfo || 95 0 == s_getFactory || 96 0 == s_createRegistryServiceFactory || 97 0 == s_bootstrap) 98 { 99 jclass c = jni_env->FindClass( "java/lang/RuntimeException" ); 100 jni_env->ThrowNew( 101 c, "error resolving symbols of " SAL_DLLPREFIX "juhx" SAL_DLLEXTENSION "!" ); 102 return false; 103 } 104 } 105 s_inited = true; 106 return true; 107 } 108 109 //================================================================================================== 110 JNIEXPORT jboolean JNICALL 111 Java_com_sun_star_comp_helper_SharedLibraryLoader_component_1writeInfo( 112 JNIEnv * pJEnv, jclass jClass, jstring jLibName, jobject jSMgr, 113 jobject jRegKey, jobject loader ) 114 { 115 if (inited_juhx( pJEnv )) 116 return (*s_writeInfo)( 117 pJEnv, jClass, jLibName, jSMgr, jRegKey, loader ); 118 return JNI_FALSE; 119 } 120 //================================================================================================== 121 JNIEXPORT jobject JNICALL 122 Java_com_sun_star_comp_helper_SharedLibraryLoader_component_1getFactory( 123 JNIEnv * pJEnv, jclass jClass, jstring jLibName, jstring jImplName, 124 jobject jSMgr, jobject jRegKey, jobject loader ) 125 { 126 if (inited_juhx( pJEnv )) 127 return (*s_getFactory)( 128 pJEnv, jClass, jLibName, jImplName, jSMgr, jRegKey, loader ); 129 return 0; 130 } 131 //================================================================================================== 132 JNIEXPORT jobject JNICALL 133 Java_com_sun_star_comp_helper_RegistryServiceFactory_createRegistryServiceFactory( 134 JNIEnv * pJEnv, jclass jClass, jstring jWriteRegFile, 135 jstring jReadRegFile, jboolean jbReadOnly, jobject loader ) 136 { 137 if (inited_juhx( pJEnv )) 138 { 139 return (*s_createRegistryServiceFactory)( 140 pJEnv, jClass, jWriteRegFile, jReadRegFile, jbReadOnly, loader ); 141 } 142 return 0; 143 } 144 //================================================================================================== 145 JNIEXPORT jobject JNICALL 146 Java_com_sun_star_comp_helper_Bootstrap_cppuhelper_1bootstrap( 147 JNIEnv * jni_env, jclass jClass, jstring juno_rc, jobjectArray jpairs, 148 jobject loader ) 149 { 150 if (inited_juhx( jni_env )) 151 return (*s_bootstrap)( jni_env, jClass, juno_rc, jpairs, loader ); 152 return 0; 153 } 154 } 155