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Diffstat (limited to 'bridges/source/jni_uno/jni_helper.h')
| -rw-r--r-- | bridges/source/jni_uno/jni_helper.h | 162 |
1 files changed, 162 insertions, 0 deletions
diff --git a/bridges/source/jni_uno/jni_helper.h b/bridges/source/jni_uno/jni_helper.h new file mode 100644 index 000000000000..8020f65c68f6 --- /dev/null +++ b/bridges/source/jni_uno/jni_helper.h @@ -0,0 +1,162 @@ +/************************************************************************* + * + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * Copyright 2000, 2010 Oracle and/or its affiliates. + * + * OpenOffice.org - a multi-platform office productivity suite + * + * This file is part of OpenOffice.org. + * + * OpenOffice.org is free software: you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License version 3 + * only, as published by the Free Software Foundation. + * + * OpenOffice.org 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 version 3 for more details + * (a copy is included in the LICENSE file that accompanied this code). + * + * You should have received a copy of the GNU Lesser General Public License + * version 3 along with OpenOffice.org. If not, see + * <http://www.openoffice.org/license.html> + * for a copy of the LGPLv3 License. + * + ************************************************************************/ + +#if ! defined INCLUDED_JNI_HELPER_H +#define INCLUDED_JNI_HELPER_H + +#include "jni_base.h" +#include "jni_info.h" + + +namespace jni_uno +{ + +//------------------------------------------------------------------------------ +inline void jstring_to_ustring( + JNI_context const & jni, rtl_uString ** out_ustr, jstring jstr ) +{ + if (0 == jstr) + { + rtl_uString_new( out_ustr ); + } + else + { + jsize len = jni->GetStringLength( jstr ); + ::std::auto_ptr< rtl_mem > mem( + rtl_mem::allocate( + sizeof (rtl_uString) + (len * sizeof (sal_Unicode)) ) ); + rtl_uString * ustr = (rtl_uString *)mem.get(); + jni->GetStringRegion( jstr, 0, len, (jchar *) ustr->buffer ); + jni.ensure_no_exception(); + ustr->refCount = 1; + ustr->length = len; + ustr->buffer[ len ] = '\0'; + mem.release(); + if (0 != *out_ustr) + rtl_uString_release( *out_ustr ); + *out_ustr = ustr; + } +} + +//------------------------------------------------------------------------------ +inline ::rtl::OUString jstring_to_oustring( + JNI_context const & jni, jstring jstr ) +{ + rtl_uString * ustr = 0; + jstring_to_ustring( jni, &ustr, jstr ); + return ::rtl::OUString( ustr, SAL_NO_ACQUIRE ); +} + +//------------------------------------------------------------------------------ +inline jstring ustring_to_jstring( + JNI_context const & jni, rtl_uString const * ustr ) +{ + jstring jstr = jni->NewString( (jchar const *) ustr->buffer, ustr->length ); + jni.ensure_no_exception(); + return jstr; +} + + +//------------------------------------------------------------------------------ +// if inException, does not handle exceptions, in which case returned value will +// be null if exception occurred: +inline jclass find_class( + JNI_context const & jni, char const * class_name, bool inException = false ) +{ + // find_class may be called before the JNI_info is set: + jclass c=0; + jmethodID m; + JNI_info const * info = jni.get_info(); + if (info == 0) { + jni.getClassForName(&c, &m); + if (c == 0) { + if (inException) { + return 0; + } + jni.ensure_no_exception(); + } + } else { + c = info->m_class_Class; + m = info->m_method_Class_forName; + } + return jni.findClass(class_name, c, m, inException); +} + + +//------------------------------------------------------------------------------ +inline jobject create_type( JNI_context const & jni, jclass clazz ) +{ + JNI_info const * jni_info = jni.get_info(); + jvalue arg; + arg.l = clazz; + jobject jo_type = jni->NewObjectA( + jni_info->m_class_Type, jni_info->m_ctor_Type_with_Class, &arg ); + jni.ensure_no_exception(); + return jo_type; +} + +//------------------------------------------------------------------------------ +inline jobject create_type( + JNI_context const & jni, typelib_TypeDescriptionReference * type ) +{ + JNI_info const * jni_info = jni.get_info(); + jvalue args[ 2 ]; + // get type class + args[ 0 ].i = type->eTypeClass; + JLocalAutoRef jo_type_class( + jni, jni->CallStaticObjectMethodA( + jni_info->m_class_TypeClass, + jni_info->m_method_TypeClass_fromInt, args ) ); + jni.ensure_no_exception(); + // construct type + JLocalAutoRef jo_type_name( + jni, ustring_to_jstring( jni, type->pTypeName ) ); + args[ 0 ].l = jo_type_name.get(); + args[ 1 ].l = jo_type_class.get(); + jobject jo_type = jni->NewObjectA( + jni_info->m_class_Type, + jni_info->m_ctor_Type_with_Name_TypeClass, args ); + jni.ensure_no_exception(); + return jo_type; +} + +//------------------------------------------------------------------------------ +inline jobject compute_oid( JNI_context const & jni, jobject jo ) +{ + JNI_info const * jni_info = jni.get_info(); + jvalue arg; + arg.l= jo; + jobject jo_oid = jni->CallStaticObjectMethodA( + jni_info->m_class_UnoRuntime, + jni_info->m_method_UnoRuntime_generateOid, &arg ); + jni.ensure_no_exception(); + return jo_oid; +} + +} + +#endif |