1 /* nat/VMClassLoader.c - java/lang/ClassLoader
3 Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003
4 R. Grafl, A. Krall, C. Kruegel, C. Oates, R. Obermaisser,
5 M. Probst, S. Ring, E. Steiner, C. Thalinger, D. Thuernbeck,
6 P. Tomsich, J. Wenninger
8 This file is part of CACAO.
10 This program is free software; you can redistribute it and/or
11 modify it under the terms of the GNU General Public License as
12 published by the Free Software Foundation; either version 2, or (at
13 your option) any later version.
15 This program is distributed in the hope that it will be useful, but
16 WITHOUT ANY WARRANTY; without even the implied warranty of
17 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
18 General Public License for more details.
20 You should have received a copy of the GNU General Public License
21 along with this program; if not, write to the Free Software
22 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
25 Contact: cacao@complang.tuwien.ac.at
27 Authors: Roman Obermaiser
29 Changes: Joseph Wenninger
31 $Id: VMClassLoader.c 1447 2004-11-05 14:00:22Z twisti $
36 #include "exceptions.h"
42 #include "toolbox/logging.h"
43 #include "nat/java_lang_Class.h"
44 #include "nat/java_lang_String.h"
45 #include "nat/java_lang_ClassLoader.h"
46 #include "nat/java_net_URL.h"
50 * Class: java/lang/ClassLoader
52 * Signature: (Ljava/lang/String;[BII)Ljava/lang/Class;
54 JNIEXPORT java_lang_Class* JNICALL Java_java_lang_VMClassLoader_defineClass(JNIEnv *env, jclass clazz, java_lang_ClassLoader *this, java_lang_String *name, java_bytearray *buf, s4 off, s4 len)
58 log_text("Java_java_lang_VMClassLoader_defineClass called");
60 if (off < 0 || len < 0 || off + len > buf->header.size) {
62 new_exception(string_java_lang_IndexOutOfBoundsException);
66 /* call JNI-function to load the class */
67 c = (*env)->DefineClass(env,
68 javastring_tochar((java_objectheader *) name),
70 (const jbyte *) &buf->data[off],
73 /* exception? return! */
77 use_class_as_object(c);
79 return (java_lang_Class *) c;
84 * Class: java/lang/ClassLoader
85 * Method: getPrimitiveClass
86 * Signature: (Ljava/lang/String;)Ljava/lang/Class;
88 JNIEXPORT java_lang_Class* JNICALL Java_java_lang_VMClassLoader_getPrimitiveClass(JNIEnv *env, jclass clazz, java_lang_String *name)
91 utf *u = javastring_toutf(name, false);
93 /* illegal primitive classname specified */
95 *exceptionptr = new_exception(string_java_lang_ClassNotFoundException);
99 /* get primitive class */
108 use_class_as_object(c);
110 return (java_lang_Class *) c;
115 * Class: java/lang/ClassLoader
116 * Method: resolveClass
117 * Signature: (Ljava/lang/Class;)V
119 JNIEXPORT void JNICALL Java_java_lang_VMClassLoader_resolveClass(JNIEnv *env, jclass clazz, java_lang_Class *c)
123 ci = (classinfo *) c;
126 *exceptionptr = new_exception(string_java_lang_NullPointerException);
139 * Class: java/lang/VMClassLoader
141 * Signature: (Ljava/lang/String;Z)Ljava/lang/Class;
143 JNIEXPORT java_lang_Class* JNICALL Java_java_lang_VMClassLoader_loadClass(JNIEnv *env, jclass clazz, java_lang_String *name, jboolean resolve)
149 *exceptionptr = new_exception(string_java_lang_NullPointerException);
153 /* create utf string in which '.' is replaced by '/' */
154 u = javastring_toutf(name, true);
160 if (!class_load(c)) {
163 xclass = (*exceptionptr)->vftbl->class;
165 /* if the exception is a NoClassDefFoundError, we replace it with a
166 ClassNotFoundException, otherwise return the exception */
168 if (xclass == class_get(utf_new_char(string_java_lang_NoClassDefFoundError))) {
169 /* clear exceptionptr, because builtin_new checks for
170 ExceptionInInitializerError */
171 *exceptionptr = NULL;
174 new_exception_javastring(string_java_lang_ClassNotFoundException, name);
180 /* resolve class -- if requested */
181 /* XXX TWISTI: we do not support REAL (at runtime) lazy linking */
186 use_class_as_object(c);
188 return (java_lang_Class *) c;
193 * These are local overrides for various environment variables in Emacs.
194 * Please do not remove this and leave it at the end of the file, where
195 * Emacs will automagically detect them.
196 * ---------------------------------------------------------------------
199 * indent-tabs-mode: t