Line data    Source code

       1             : /* src/native/vm/gnuclasspath/gnu_classpath_VMSystemProperties.cpp
       2             : 
       3             :    Copyright (C) 1996-2014
       4             :    CACAOVM - Verein zur Foerderung der freien virtuellen Maschine CACAO
       5             : 
       6             :    This file is part of CACAO.
       7             : 
       8             :    This program is free software; you can redistribute it and/or
       9             :    modify it under the terms of the GNU General Public License as
      10             :    published by the Free Software Foundation; either version 2, or (at
      11             :    your option) any later version.
      12             : 
      13             :    This program is distributed in the hope that it will be useful, but
      14             :    WITHOUT ANY WARRANTY; without even the implied warranty of
      15             :    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
      16             :    General Public License for more details.
      17             : 
      18             :    You should have received a copy of the GNU General Public License
      19             :    along with this program; if not, write to the Free Software
      20             :    Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
      21             :    02110-1301, USA.
      22             : 
      23             : */
      24             : 
      25             : 
      26             : #include "config.h"
      27             : 
      28             : #include <stdlib.h>
      29             : #include <string.h>
      30             : 
      31             : #include "vm/types.hpp"
      32             : 
      33             : #include "mm/memory.hpp"
      34             : 
      35             : #include "native/jni.hpp"
      36             : #include "native/native.hpp"
      37             : 
      38             : #if defined(ENABLE_JNI_HEADERS)
      39             : # include "native/include/gnu_classpath_VMSystemProperties.h"
      40             : #endif
      41             : 
      42             : #include "toolbox/buffer.hpp"
      43             : 
      44             : #include "vm/exceptions.hpp"
      45             : #include "vm/properties.hpp"
      46             : #include "vm/vm.hpp"
      47             : 
      48             : 
      49             : // Native functions are exported as C functions.
      50             : extern "C" {
      51             : 
      52             : /*
      53             :  * Class:     gnu/classpath/VMSystemProperties
      54             :  * Method:    preInit
      55             :  * Signature: (Ljava/util/Properties;)V
      56             :  */
      57         141 : JNIEXPORT void JNICALL Java_gnu_classpath_VMSystemProperties_preInit(JNIEnv *env, jclass clazz, jobject properties)
      58             : {
      59             :         java_handle_t *p;
      60             : 
      61         141 :         p = (java_handle_t *) properties;
      62             : 
      63         141 :         if (p == NULL) {
      64           0 :                 exceptions_throw_nullpointerexception();
      65           0 :                 return;
      66             :         }
      67             : 
      68             :         // Fill the java.util.Properties object.
      69         141 :         VM::get_current()->get_properties().fill(p);
      70             : }
      71             : 
      72             : 
      73             : /*
      74             :  * Class:     gnu/classpath/VMSystemProperties
      75             :  * Method:    postInit
      76             :  * Signature: (Ljava/util/Properties;)V
      77             :  */
      78         141 : JNIEXPORT void JNICALL Java_gnu_classpath_VMSystemProperties_postInit(JNIEnv *env, jclass clazz, jobject properties)
      79             : {
      80             :         java_handle_t *p;
      81             : #if defined(ENABLE_JRE_LAYOUT)
      82             :         const char *java_home;
      83             : #endif
      84             : 
      85         141 :         p = (java_handle_t *) properties;
      86             : 
      87         141 :         if (p == NULL) {
      88           0 :                 exceptions_throw_nullpointerexception();
      89           0 :                 return;
      90             :         }
      91             : 
      92             :         /* post-set some properties */
      93             : 
      94             : #if defined(ENABLE_JRE_LAYOUT)
      95             :         /* XXX when we do it that way, we can't set these properties on
      96             :            commandline */
      97             : 
      98             :         java_home = VM::get_current()->get_properties().get("java.home");
      99             : 
     100             :         Properties::put(p, "gnu.classpath.home", java_home);
     101             : 
     102             :         // Use sequence builder to assemble value.
     103             :         Buffer<> buf;
     104             :         
     105             :         buf.write("file://")
     106             :            .write(java_home)
     107             :            .write("/lib");
     108             : 
     109             :         Properties::put(p, "gnu.classpath.home.url", buf.c_str());
     110             : #endif
     111             : }
     112             : 
     113             : } // extern "C"
     114             : 
     115             : 
     116             : /* native methods implemented by this file ************************************/
     117             : 
     118             : static JNINativeMethod methods[] = {
     119             :         { (char*) "preInit",  (char*) "(Ljava/util/Properties;)V", (void*) (uintptr_t) &Java_gnu_classpath_VMSystemProperties_preInit  },
     120             :         { (char*) "postInit", (char*) "(Ljava/util/Properties;)V", (void*) (uintptr_t) &Java_gnu_classpath_VMSystemProperties_postInit },
     121             : };
     122             : 
     123             : 
     124             : /* _Jv_gnu_classpat_VMSystemProperties_init ************************************
     125             : 
     126             :    Register native functions.
     127             : 
     128             : *******************************************************************************/
     129             : 
     130         163 : void _Jv_gnu_classpath_VMSystemProperties_init(void)
     131             : {
     132         163 :         Utf8String u = Utf8String::from_utf8("gnu/classpath/VMSystemProperties");
     133             : 
     134         163 :         NativeMethods& nm = VM::get_current()->get_nativemethods();
     135         163 :         nm.register_methods(u, methods, NATIVE_METHODS_COUNT);
     136         163 : }
     137             : 
     138             : 
     139             : /*
     140             :  * These are local overrides for various environment variables in Emacs.
     141             :  * Please do not remove this and leave it at the end of the file, where
     142             :  * Emacs will automagically detect them.
     143             :  * ---------------------------------------------------------------------
     144             :  * Local variables:
     145             :  * mode: c++
     146             :  * indent-tabs-mode: t
     147             :  * c-basic-offset: 4
     148             :  * tab-width: 4
     149             :  * End:
     150             :  * vim:noexpandtab:sw=4:ts=4:
     151             :  */