| 1 | // natObjectInputStream.cc - Native part of ObjectInputStream class.
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| 2 |
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| 3 | /* Copyright (C) 1998, 1999, 2000, 2001 Free Software Foundation
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| 4 |
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| 5 | This ObjectInputStream is part of libgcj.
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| 6 |
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| 7 | This software is copyrighted work licensed under the terms of the
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| 8 | Libgcj License. Please consult the ObjectInputStream "LIBGCJ_LICENSE" for
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| 9 | details. */
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| 10 |
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| 11 | #include <config.h>
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| 12 |
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| 13 | #include <gcj/cni.h>
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| 14 | #include <jvm.h>
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| 15 |
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| 16 | #include <java/io/ObjectInputStream$GetField.h>
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| 17 | #include <java/io/ObjectInputStream.h>
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| 18 | #include <java/io/IOException.h>
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| 19 | #include <java/lang/Class.h>
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| 20 | #include <java/lang/reflect/Modifier.h>
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| 21 | #include <java/lang/reflect/Method.h>
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| 22 |
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| 23 | #ifdef DEBUG
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| 24 | #include <java/lang/System.h>
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| 25 | #include <java/io/PrintStream.h>
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| 26 | #endif
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| 27 |
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| 28 | jobject
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| 29 | java::io::ObjectInputStream::allocateObject (jclass klass)
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| 30 | {
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| 31 | jobject obj = NULL;
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| 32 | using namespace java::lang::reflect;
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| 33 |
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| 34 | try
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| 35 | {
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| 36 | JvAssert (klass && ! klass->isArray ());
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| 37 | if (klass->isInterface() || Modifier::isAbstract(klass->getModifiers()))
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| 38 | obj = NULL;
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| 39 | else
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| 40 | {
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| 41 | obj = JvAllocObject (klass);
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| 42 | }
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| 43 | }
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| 44 | catch (jthrowable t)
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| 45 | {
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| 46 | return NULL;
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| 47 | }
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| 48 |
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| 49 | return obj;
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| 50 | }
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| 51 |
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| 52 |
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| 53 | void
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| 54 | java::io::ObjectInputStream::callConstructor (jclass klass, jobject obj)
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| 55 | {
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| 56 | jstring init_name = JvNewStringLatin1 ("<init>");
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| 57 | // This is a bit inefficient, and a bit of a hack, since we don't
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| 58 | // actually use the Method and since what is returned isn't
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| 59 | // technically a Method. We can't use Method.invoke as it looks up
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| 60 | // the declared method.
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| 61 | JArray<jclass> *arg_types
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| 62 | = (JArray<jclass> *) JvNewObjectArray (0, &java::lang::Class::class$,
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| 63 | NULL);
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| 64 | java::lang::reflect::Method *m = klass->getPrivateMethod (init_name,
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| 65 | arg_types);
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| 66 | // We lie about this being a constructor. If we put `true' here
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| 67 | // then _Jv_CallAnyMethodA would try to allocate the object for us.
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| 68 | jmethodID meth = (jmethodID) ((char *) (klass->methods)
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| 69 | + m->offset);
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| 70 | _Jv_CallAnyMethodA (obj, JvPrimClass (void), meth, false, arg_types, NULL);
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| 71 | }
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