| /* ReplyHeader.java -- |
| Copyright (C) 2005 Free Software Foundation, Inc. |
| |
| This file is part of GNU Classpath. |
| |
| GNU Classpath is free software; you can redistribute it and/or modify |
| it under the terms of the GNU General Public License as published by |
| the Free Software Foundation; either version 2, or (at your option) |
| any later version. |
| |
| GNU Classpath 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 |
| General Public License for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with GNU Classpath; see the file COPYING. If not, write to the |
| Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA |
| 02110-1301 USA. |
| |
| Linking this library statically or dynamically with other modules is |
| making a combined work based on this library. Thus, the terms and |
| conditions of the GNU General Public License cover the whole |
| combination. |
| |
| As a special exception, the copyright holders of this library give you |
| permission to link this library with independent modules to produce an |
| executable, regardless of the license terms of these independent |
| modules, and to copy and distribute the resulting executable under |
| terms of your choice, provided that you also meet, for each linked |
| independent module, the terms and conditions of the license of that |
| module. An independent module is a module which is not derived from |
| or based on this library. If you modify this library, you may extend |
| this exception to your version of the library, but you are not |
| obligated to do so. If you do not wish to do so, delete this |
| exception statement from your version. */ |
| |
| |
| package gnu.CORBA.GIOP; |
| |
| import gnu.CORBA.CDR.AbstractCdrInput; |
| import gnu.CORBA.CDR.AbstractCdrOutput; |
| |
| /** |
| * The header of the standard reply. |
| * |
| * @author Audrius Meskauskas (AudriusA@Bioinformatics.org) |
| */ |
| public abstract class ReplyHeader |
| extends ContextHandler |
| { |
| /** |
| * Reply status, if no exception occured. |
| */ |
| public static final int NO_EXCEPTION = 0; |
| |
| /** |
| * Reply status, user exception. |
| */ |
| public static final int USER_EXCEPTION = 1; |
| |
| /** |
| * Reply status, system exception. |
| */ |
| public static final int SYSTEM_EXCEPTION = 2; |
| |
| /** |
| * Reply status, if the client ORB must re - send the request to another |
| * destination. The body contains IOR. |
| */ |
| public static final int LOCATION_FORWARD = 3; |
| |
| /** |
| * Reply status, indicating that the target has permanently changed the |
| * address to the supplied IOR. |
| */ |
| public static final int LOCATION_FORWARD_PERM = 4; |
| |
| /** |
| * Reply status, indicating, that the ORB requires to resend the object |
| * address in the required addressing mode, contained as the reply body. |
| */ |
| public static final int NEEDS_ADDRESSING_MODE = 5; |
| |
| /** |
| * The status of this reply, holds one of the reply status constants. |
| */ |
| public int reply_status; |
| |
| /** |
| * The Id of request into response of which this reply has been sent. |
| */ |
| public int request_id; |
| |
| /** |
| * Return the message status as a string. |
| */ |
| public String getStatusString() |
| { |
| switch (reply_status) |
| { |
| case NO_EXCEPTION: |
| return "ok"; |
| |
| case USER_EXCEPTION: |
| return "user exception"; |
| |
| case SYSTEM_EXCEPTION: |
| return "system exception"; |
| |
| case LOCATION_FORWARD: |
| return "moved"; |
| |
| default: |
| return null; |
| } |
| } |
| |
| /** |
| * Reads the header from the stream. |
| * |
| * @param in a stream to read from. |
| */ |
| public abstract void read(AbstractCdrInput in); |
| |
| /** |
| * Returns a short string representation. |
| * |
| * @return a string representation. |
| */ |
| public String toString() |
| { |
| String status = getStatusString(); |
| if (status == null) |
| status = "status " + reply_status; |
| return request_id + ", " + status; |
| } |
| |
| /** |
| * Writes the header to the stream. |
| * |
| * @param out a stream to write into. |
| */ |
| public abstract void write(AbstractCdrOutput out); |
| } |