1 // natVMObjectInputStream.cc - Native part of VMObjectInputStream class.
2
3 /* Copyright (C) 1998, 1999, 2000, 2001, 2005, 2006, 2007
4 Free Software Foundation
5
6 This file is part of libgcj.
7
8 This software is copyrighted work licensed under the terms of the
9 Libgcj License. Please consult the ObjectInputStream "LIBGCJ_LICENSE" for
10 details. */
11
12 #include <config.h>
13
14 #include <gcj/cni.h>
15 #include <jvm.h>
16 #include <gcj/method.h>
17
18 #include <java/io/VMObjectInputStream.h>
19 #include <java/io/IOException.h>
20 #include <java/lang/Class.h>
21 #include <java/lang/reflect/Modifier.h>
22 #include <java/lang/reflect/Method.h>
23 #include <java/lang/ArrayIndexOutOfBoundsException.h>
24 #include <java/lang/SecurityManager.h>
25 #include <java/lang/reflect/Constructor.h>
26 #include <java/lang/reflect/Method.h>
27 #include <java-stack.h>
28
29 #ifdef __GCJ_DEBUG
30 #include <java/lang/System.h>
31 #include <java/io/PrintStream.h>
32 #endif
33
34 jobject
allocateObject(jclass klass,jclass,::java::lang::reflect::Constructor * ctr)35 java::io::VMObjectInputStream::allocateObject (jclass klass, jclass,
36 ::java::lang::reflect::Constructor *ctr)
37 {
38 jobject obj = NULL;
39 using namespace java::lang::reflect;
40
41 try
42 {
43 JvAssert (klass && ! klass->isArray ());
44 if (klass->isInterface() || Modifier::isAbstract(klass->getModifiers()))
45 obj = NULL;
46 else
47 {
48 obj = _Jv_AllocObject (klass);
49 }
50 }
51 catch (jthrowable t)
52 {
53 return NULL;
54 }
55
56 jmethodID meth = _Jv_FromReflectedConstructor (ctr);
57
58 // This is a bit inefficient, and a bit of a hack, since we don't
59 // actually use the Method and since what is returned isn't
60 // technically a Method. We can't use Method.invoke as it looks up
61 // the declared method.
62 JArray<jclass> *arg_types
63 = (JArray<jclass> *) JvNewObjectArray (0, &java::lang::Class::class$,
64 NULL);
65
66 // We lie about this being a constructor. If we put `true' here
67 // then _Jv_CallAnyMethodA would try to allocate the object for us.
68 _Jv_CallAnyMethodA (obj, JvPrimClass (void), meth, false, arg_types, NULL);
69
70 return obj;
71 }
72