/*
* JacORB - a free Java ORB
*
* Copyright (C) 1999-2014 Gerald Brose / The JacORB Team.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the Free
* Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
*/
package org.jacorb.orb;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import org.jacorb.ir.RepositoryID;
import org.jacorb.util.ObjectUtil;
import org.omg.CORBA.portable.ApplicationException;
/**
* This class provides a method for inserting an arbirtary
* application exception into an any.
*
* @author Nicolas Noffke
*/
public class ApplicationExceptionHelper
{
/**
* Private constructor to prevent instantiation
*/
private ApplicationExceptionHelper()
{
// utility class
}
/**
* This method tries to insert the given ApplicationException into the
* given any by deriving the helper name from object id. <br>
* All exceptions are propagated upward to be handled there.
*/
public static void insert(org.omg.CORBA.Any any, ApplicationException exception)
throws
ClassNotFoundException,
NoSuchMethodException,
IllegalAccessException,
InvocationTargetException
{
java.lang.Object userEx;
// Get exception and helper names
String name = RepositoryID.className(exception.getId(), null);
String helperName = name + "Helper";
// Get various required classes
Class exClass = ObjectUtil.classForName(name);
Class helperClass = ObjectUtil.classForName(helperName);
Class anyClass = org.omg.CORBA.Any.class;
Class isClass = org.omg.CORBA.portable.InputStream.class;
// Get various required methods
Method readMeth =
helperClass.getMethod("read", new Class[] { isClass });
Method insertMeth =
helperClass.getMethod("insert", new Class[] { anyClass, exClass });
// Do equivalent of:
//
// userEx = UserExHelper.read (s.getInputStream ());
// UserExHelper.insert (any, userEx);
//
userEx =
readMeth.invoke(null, new java.lang.Object[] { exception.getInputStream () });
insertMeth.invoke(null, new java.lang.Object[] {any, userEx});
}
}