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Diffstat (limited to 'javaunohelper/source/bootstrap.cxx')
-rw-r--r-- | javaunohelper/source/bootstrap.cxx | 229 |
1 files changed, 229 insertions, 0 deletions
diff --git a/javaunohelper/source/bootstrap.cxx b/javaunohelper/source/bootstrap.cxx new file mode 100644 index 000000000000..30fcd27b967c --- /dev/null +++ b/javaunohelper/source/bootstrap.cxx @@ -0,0 +1,229 @@ +/************************************************************************* + * + * $RCSfile: bootstrap.cxx,v $ + * + * $Revision: 1.1 $ + * + * last change: $Author: dbo $ $Date: 2002-10-21 15:30:33 $ + * + * The Contents of this file are made available subject to the terms of + * either of the following licenses + * + * - GNU Lesser General Public License Version 2.1 + * - Sun Industry Standards Source License Version 1.1 + * + * Sun Microsystems Inc., October, 2000 + * + * GNU Lesser General Public License Version 2.1 + * ============================================= + * Copyright 2000 by Sun Microsystems, Inc. + * 901 San Antonio Road, Palo Alto, CA 94303, USA + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License version 2.1, as published by the Free Software Foundation. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + * + * + * Sun Industry Standards Source License Version 1.1 + * ================================================= + * The contents of this file are subject to the Sun Industry Standards + * Source License Version 1.1 (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.openoffice.org/license.html. + * + * Software provided under this License is provided on an "AS IS" basis, + * WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, + * WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS, + * MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING. + * See the License for the specific provisions governing your rights and + * obligations concerning the Software. + * + * The Initial Developer of the Original Code is: Sun Microsystems, Inc. + * + * Copyright: 2000 by Sun Microsystems, Inc. + * + * All Rights Reserved. + * + * Contributor(s): _______________________________________ + * + * + ************************************************************************/ + +#include <jni.h> + +#include <osl/diagnose.h> +#include <rtl/alloc.h> +#include <rtl/bootstrap.hxx> +#include <rtl/string.hxx> + +#include <uno/environment.hxx> +#include <uno/mapping.hxx> + +#include <cppuhelper/bootstrap.hxx> + +#include <bridges/java/jvmcontext.hxx> + +#define OUSTR(x) ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM(x) ) + + +using namespace ::rtl; +using namespace ::com::sun::star::uno; + +//-------------------------------------------------------------------------------------------------- +inline OUString jstring_to_oustring( jstring jstr, JNIEnv * jni_env ) +{ + OSL_ASSERT( sizeof (sal_Unicode) == sizeof (jchar) ); + jsize len = jni_env->GetStringLength( jstr ); + rtl_uString * ustr = + (rtl_uString *)rtl_allocateMemory( sizeof (rtl_uString) + (len * sizeof (sal_Unicode)) ); + jni_env->GetStringRegion( jstr, 0, len, ustr->buffer ); + if (JNI_FALSE != jni_env->ExceptionCheck()) + { + jni_env->ExceptionClear(); + rtl_freeMemory( ustr ); + throw RuntimeException( OUSTR("string error!"), Reference< XInterface >() ); + } + ustr->refCount = 1; + ustr->length = len; + ustr->buffer[ len ] = '\0'; + return OUString( ustr, SAL_NO_ACQUIRE ); +} + +//================================================================================================== +extern "C" JNIEXPORT jobject JNICALL Java_com_sun_star_comp_helper_Bootstrap_cppuhelper_1bootstrap( + JNIEnv * jni_env, jclass jClass, jstring juno_rc, jobjectArray jpairs ) +{ + try + { + if (0 != jpairs) + { + jsize nPos = 0, len = jni_env->GetArrayLength( jpairs ); + while (nPos < len) + { + // name + jstring jstr = (jstring)jni_env->GetObjectArrayElement( jpairs, nPos ); + if (JNI_FALSE != jni_env->ExceptionCheck()) + { + jni_env->ExceptionClear(); + throw RuntimeException( + OUSTR("index out of bounds?!"), Reference< XInterface >() ); + } + if (0 != jstr) + { + OUString name( jstring_to_oustring( jstr, jni_env ) ); + // value + jstr = (jstring)jni_env->GetObjectArrayElement( jpairs, nPos +1 ); + if (JNI_FALSE != jni_env->ExceptionCheck()) + { + jni_env->ExceptionClear(); + throw RuntimeException( + OUSTR("index out of bounds?!"), Reference< XInterface >() ); + } + if (0 != jstr) + { + OUString value( jstring_to_oustring( jstr, jni_env ) ); + + // set bootstrap parameter + Bootstrap::set( name, value ); + } + } + nPos += 2; + } + } + + Reference< XComponentContext > xContext; + + // bootstrap uno + if (0 == juno_rc) + { + xContext = ::cppu::defaultBootstrap_InitialComponentContext(); + } + else + { + OUString uno_rc( jstring_to_oustring( juno_rc, jni_env ) ); + xContext = ::cppu::defaultBootstrap_InitialComponentContext( uno_rc ); + } + + // map to java + OUString java_env_name = OUSTR(UNO_LB_JAVA); + OUString cpp_env_name = OUSTR(CPPU_CURRENT_LANGUAGE_BINDING_NAME); + Environment cpp_env, java_env; + uno_getEnvironment( (uno_Environment **)&cpp_env, cpp_env_name.pData, 0 ); + if (! cpp_env.is()) + throw RuntimeException( OUSTR("cannot get cpp env!"), Reference< XInterface >() ); + + JavaVMContext * jvm_context; + + uno_Environment ** java_envs; + sal_Int32 nSize; + uno_getRegisteredEnvironments( + &java_envs, &nSize, (uno_memAlloc)rtl_allocateMemory, java_env_name.pData ); + if (nSize) + { + *(uno_Environment **)&java_env = java_envs[ 0 ]; + jvm_context = (JavaVMContext *)java_env.getContext(); + + for( sal_Int32 i = 1; i < nSize; ++ i ) + { + (*java_envs[ i ]->release)( java_envs[ i ] ); + } + rtl_freeMemory( java_envs ); + } + else + { + JavaVM * vm; + jni_env->GetJavaVM( &vm ); + jvm_context = new JavaVMContext( vm ); + uno_getEnvironment( (uno_Environment **)&java_env, java_env_name.pData, jvm_context ); + } + + if (! java_env.is()) + throw RuntimeException( OUSTR("cannot get java env!"), Reference< XInterface >() ); + + jvm_context->registerThread(); + + Mapping mapping( cpp_env.get(), java_env.get() ); + if (! mapping.is()) + throw RuntimeException( OUSTR("cannot get mapping!"), Reference< XInterface >() ); + + jobject jret = (jobject)mapping.mapInterface( xContext.get(), ::getCppuType( &xContext ) ); + jobject jlocal = jni_env->NewLocalRef( jret ); + jni_env->DeleteGlobalRef( jret ); + + jvm_context->revokeThread(); + return jlocal; + } + catch (RuntimeException & exc) + { + jclass c = jni_env->FindClass( "com/sun/star/uno/RuntimeException" ); + if (0 != c) + { + OString cstr( OUStringToOString( exc.Message, RTL_TEXTENCODING_ASCII_US ) ); + OSL_TRACE( __FILE__": forwarding RuntimeException: %s", cstr.getStr() ); + jni_env->ThrowNew( c, cstr.getStr() ); + } + } + catch (Exception & exc) + { + jclass c = jni_env->FindClass( "com/sun/star/uno/Exception" ); + if (0 != c) + { + OString cstr( OUStringToOString( exc.Message, RTL_TEXTENCODING_ASCII_US ) ); + OSL_TRACE( __FILE__": forwarding Exception: %s", cstr.getStr() ); + jni_env->ThrowNew( c, cstr.getStr() ); + } + } + + return 0; +} + |