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Diffstat (limited to 'gnu/CORBA/GIOP/ReplyHeader.java')
-rw-r--r-- | gnu/CORBA/GIOP/ReplyHeader.java | 156 |
1 files changed, 156 insertions, 0 deletions
diff --git a/gnu/CORBA/GIOP/ReplyHeader.java b/gnu/CORBA/GIOP/ReplyHeader.java new file mode 100644 index 000000000..76c6df944 --- /dev/null +++ b/gnu/CORBA/GIOP/ReplyHeader.java @@ -0,0 +1,156 @@ +/* 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., 59 Temple Place, Suite 330, Boston, MA +02111-1307 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.cdrInput; +import gnu.CORBA.CDR.cdrOutput; + + +/** + * The header of the standard reply. + * + * @author Audrius Meskauskas (AudriusA@Bioinformatics.org) + */ +public abstract class ReplyHeader +{ + /** + * 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; + + /** + * Empty array, indicating that no service context is available. + */ + protected static final ServiceContext[] NO_CONTEXT = new ServiceContext[ 0 ]; + + /** + * The ORB service data. + */ + public ServiceContext[] service_context = NO_CONTEXT; + + /** + * 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(cdrInput 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(cdrOutput out); +} |