/*
* JacORB - a free Java ORB
*
* Copyright (C) 1999-2004 Gerald Brose
*
* 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.Constructor;
import org.jacorb.orb.giop.ReplyInputStream;
import org.jacorb.util.ObjectUtil;
import org.omg.IOP.ExceptionDetailMessage;
import org.omg.IOP.ServiceContext;
/**
* @author Gerald Brose
* @version $Id$
*/
public class SystemExceptionHelper
{
private SystemExceptionHelper()
{
// utility class
}
private static final String className( String repId )
{
// cut "IDL:" and version
String id_base = repId.substring(4, repId.lastIndexOf(':'));
return ir2scopes("org.omg",id_base.substring(7));
}
private static final String ir2scopes( String prefix, String s )
{
if( s.indexOf('/') < 0)
{
return s;
}
java.util.StringTokenizer strtok =
new java.util.StringTokenizer( s, "/" );
int count = strtok.countTokens();
StringBuffer buffer = new StringBuffer();
buffer.append(prefix);
for( int i = 0; strtok.hasMoreTokens(); i++ )
{
String nextToken = strtok.nextToken();
try
{
if( buffer.length() > 0 )
{
ObjectUtil.classForName( buffer.toString() + "." + nextToken );
}
else
{
ObjectUtil.classForName( nextToken );
}
if( i < count-1)
{
buffer.append('.');
buffer.append(nextToken);
buffer.append("Package");
}
else
{
buffer.append('.');
buffer.append(nextToken);
}
}
catch ( ClassNotFoundException cnfe )
{
if( buffer.length() > 0 )
{
buffer.append('.');
buffer.append(nextToken);
}
else
{
buffer.append( nextToken );
}
}
}
return buffer.toString();
}
private static final String repId( Class clazz )
{
String className = clazz.getName();
String body = className.substring(7);
return "IDL:omg.org/" + scopesToIR(body) + ":1.0";
}
private static final String scopesToIR( String s )
{
if( s.indexOf('.') < 0)
{
return s;
}
java.util.StringTokenizer strtok = new java.util.StringTokenizer( s, "." );
String scopes[] = new String[strtok.countTokens()];
for( int i = 0; strtok.hasMoreTokens(); i++ )
{
String nextToken = strtok.nextToken();
if( nextToken.endsWith("Package"))
{
scopes[i] = nextToken.substring(0,nextToken.indexOf("Package"));
}
else
{
scopes[i] = nextToken;
}
}
StringBuffer buffer = new StringBuffer();
if( scopes.length > 1 )
{
for( int i = 0; i < scopes.length-1; i++)
{
buffer.append(scopes[i]);
buffer.append('/');
}
}
buffer.append( scopes[scopes.length-1] );
return buffer.toString();
}
public static void insert(org.omg.CORBA.Any any, org.omg.CORBA.SystemException exception)
{
any.type( type( exception ));
write( any.create_output_stream(), exception);
}
public static org.omg.CORBA.TypeCode type( org.omg.CORBA.SystemException exception)
{
String name = exception.getClass().getName();
name = name.substring(name.lastIndexOf('.') + 1);
org.omg.CORBA.ORB orb = org.omg.CORBA.ORB.init();
org.omg.CORBA.TypeCode _type =
orb.create_struct_tc(
"IDL:omg.org/CORBA/" + name + ":1.0",
name,
new org.omg.CORBA.StructMember[]{
new org.omg.CORBA.StructMember(
"minor",
orb.get_primitive_tc(org.omg.CORBA.TCKind.from_int(3)),
null),
new org.omg.CORBA.StructMember(
"completed",
orb.create_enum_tc("IDL:omg.org/CORBA/CompletionStatus:1.0",
"CompletionStatus",
new String[]{"COMPLETED_YES","COMPLETED_NO","COMPLETED_MAYBE"}),
null)
});
return _type;
}
public static org.omg.CORBA.SystemException read(org.omg.CORBA.portable.InputStream in)
{
final String className = SystemExceptionHelper.className(in.read_string());
final int minor = in.read_long();
final org.omg.CORBA.CompletionStatus completed =
org.omg.CORBA.CompletionStatusHelper.read(in);
String message = null;
if (in instanceof ReplyInputStream)
{
final ReplyInputStream input = (ReplyInputStream)in;
try
{
final ServiceContext context = input.getServiceContext(ExceptionDetailMessage.value);
if (context != null)
{
final CDRInputStream data = new CDRInputStream(null, context.context_data);
try
{
data.openEncapsulatedArray();
message = data.read_wstring();
}
finally
{
data.close();
}
}
}
finally
{
input.close();
}
}
try
{
Class clazz = ObjectUtil.classForName( className );
Constructor ctor =
clazz.getConstructor(
new Class[]{ String.class,
int.class,
org.omg.CORBA.CompletionStatus.class});
return (org.omg.CORBA.SystemException)ctor.newInstance(
new Object[]{"Server-side Exception: " + message,
ObjectUtil.newInteger(minor),
completed});
}
catch (Exception e )
{
return (org.omg.CORBA.SystemException)
new org.omg.CORBA.UNKNOWN(className).initCause(e);
}
}
public static void write(org.omg.CORBA.portable.OutputStream out,
org.omg.CORBA.SystemException exception)
{
out.write_string(repId(exception.getClass()));
out.write_long(exception.minor);
org.omg.CORBA.CompletionStatusHelper.write(out,exception.completed);
}
}