8f523f3a10
* sources.am: Regenerated.
* Makefile.in: Likewise.
* scripts/makemake.tcl: Use glob -nocomplain.
From-SVN: r107049
101 lines
3.6 KiB
Java
101 lines
3.6 KiB
Java
/* VMVio.java -- Native operations, required by value IO.
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Copyright (C) 2005 Free Software Foundation, Inc.
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This file is part of GNU Classpath.
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GNU Classpath is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GNU Classpath is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GNU Classpath; see the file COPYING. If not, write to the
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Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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02110-1301 USA.
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Linking this library statically or dynamically with other modules is
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making a combined work based on this library. Thus, the terms and
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conditions of the GNU General Public License cover the whole
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combination.
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As a special exception, the copyright holders of this library give you
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permission to link this library with independent modules to produce an
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executable, regardless of the license terms of these independent
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modules, and to copy and distribute the resulting executable under
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terms of your choice, provided that you also meet, for each linked
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independent module, the terms and conditions of the license of that
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module. An independent module is a module which is not derived from
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or based on this library. If you modify this library, you may extend
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this exception to your version of the library, but you are not
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obligated to do so. If you do not wish to do so, delete this
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exception statement from your version. */
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/**
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* This is a temporary replacement for the native call that would allocate
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* objects without public constructors. The replacement only allocates
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* objects with public parameterless constructor and objects with public
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* constructor taking string (like some Throwables).
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*
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* @author Audrius Meskauskas (AudriusA@Bioinformatics.org)
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*
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* TODO FIXME replace by native call like in VMObjectInputStream.
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* Required modification of Classpath the build system.
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*/
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package gnu.CORBA.CDR;
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import java.lang.reflect.Constructor;
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public class VMVio
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{
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/**
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* Allocates a new Object of type clazz but without running the default
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* constructor on it. It then calls the given constructor on it. The given
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* constructor method comes from the constr_clazz which is a super class of
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* the given clazz.
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*/
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public static Object allocateObject(Class clazz, Class constr_clazz,
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Constructor constructor)
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throws InstantiationException
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{
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try
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{
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Constructor c = clazz.getConstructor(new Class[0]);
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c.setAccessible(true);
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return c.newInstance(new Object[0]);
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}
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catch (Exception ex)
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{
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try
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{
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Constructor c = clazz.getConstructor(new Class[] { String.class });
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return c.newInstance(new Object[] { "" });
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}
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catch (Exception ex2)
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{
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Constructor c[] = clazz.getConstructors();
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for (int i = 0; i < c.length; i++)
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{
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try
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{
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c[i].setAccessible(true);
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Class[] args = c[i].getParameterTypes();
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return c[i].newInstance(new Object[args.length]);
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}
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catch (Exception ex3)
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{
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// Try another one.
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}
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}
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}
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throw new InstantiationException(clazz.getName());
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}
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}
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}
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