104 lines
2.7 KiB
C++
104 lines
2.7 KiB
C++
// natObjectInputStream.cc - Native part of ObjectInputStream class.
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/* Copyright (C) 1998, 1999, 2000, 2001 Free Software Foundation
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This ObjectInputStream is part of libgcj.
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This software is copyrighted work licensed under the terms of the
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Libgcj License. Please consult the ObjectInputStream "LIBGCJ_LICENSE" for
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details. */
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#include <config.h>
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#include <gcj/cni.h>
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#include <jvm.h>
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#include <java/io/ObjectInputStream$GetField.h>
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#include <java/io/ObjectInputStream.h>
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#include <java/io/IOException.h>
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#include <java/lang/Class.h>
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#include <java/lang/reflect/Modifier.h>
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#include <java/lang/reflect/Method.h>
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#include <java/lang/ArrayIndexOutOfBoundsException.h>
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#include <java/lang/SecurityManager.h>
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#ifdef DEBUG
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#include <java/lang/System.h>
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#include <java/io/PrintStream.h>
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#endif
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jobject
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java::io::ObjectInputStream::allocateObject (jclass klass)
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{
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jobject obj = NULL;
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using namespace java::lang::reflect;
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try
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{
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JvAssert (klass && ! klass->isArray ());
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if (klass->isInterface() || Modifier::isAbstract(klass->getModifiers()))
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obj = NULL;
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else
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{
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obj = _Jv_AllocObject (klass);
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}
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}
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catch (jthrowable t)
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{
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return NULL;
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}
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return obj;
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}
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void
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java::io::ObjectInputStream::callConstructor (jclass klass, jobject obj)
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{
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jstring init_name = JvNewStringLatin1 ("<init>");
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// This is a bit inefficient, and a bit of a hack, since we don't
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// actually use the Method and since what is returned isn't
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// technically a Method. We can't use Method.invoke as it looks up
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// the declared method.
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JArray<jclass> *arg_types
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= (JArray<jclass> *) JvNewObjectArray (0, &java::lang::Class::class$,
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NULL);
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java::lang::reflect::Method *m = klass->getPrivateMethod (init_name,
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arg_types);
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// We lie about this being a constructor. If we put `true' here
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// then _Jv_CallAnyMethodA would try to allocate the object for us.
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jmethodID meth = (jmethodID) ((char *) (klass->methods)
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+ m->offset);
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_Jv_CallAnyMethodA (obj, JvPrimClass (void), meth, false, arg_types, NULL);
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}
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java::lang::ClassLoader*
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java::io::ObjectInputStream::getCallersClassLoader ()
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{
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java::lang::ClassLoader *loader = NULL;
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gnu::gcj::runtime::StackTrace *t
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= new gnu::gcj::runtime::StackTrace(4);
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java::lang::Class *klass = NULL;
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try
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{
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for (int i = 2; !klass; i++)
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{
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klass = t->classAt (i);
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}
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loader = klass->getClassLoaderInternal();
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}
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catch (::java::lang::ArrayIndexOutOfBoundsException *e)
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{
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// FIXME: RuntimeError
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}
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return loader;
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}
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java::lang::ClassLoader*
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java::io::ObjectInputStream::currentClassLoader (::java::lang::SecurityManager *sm)
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{
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return sm->currentClassLoader ();
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}
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