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Java example source code file (LocateReplyMessage_1_1.java)

This example Java source code file (LocateReplyMessage_1_1.java) is included in the alvinalexander.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Learn more about this Java project at its project page.

Java - Java tags/keywords

cdrinputstream, corba, flag_no_frag_big_endian, ior, locatereplymessage_1_1, object_forward, object_here, orbutilsystemexception, systemexception, unknown_object

The LocateReplyMessage_1_1.java Java example source code

/*
 * Copyright (c) 2000, 2003, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.  Oracle designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Oracle in the LICENSE file that accompanied this code.
 *
 * This code 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
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 */

package com.sun.corba.se.impl.protocol.giopmsgheaders;

import org.omg.CORBA.INTERNAL;
import org.omg.CORBA.CompletionStatus;
import org.omg.CORBA.SystemException;

import com.sun.corba.se.spi.ior.IOR;
import com.sun.corba.se.spi.ior.IORFactories;

import com.sun.corba.se.spi.orb.ORB;

import com.sun.corba.se.spi.ior.iiop.GIOPVersion;
import com.sun.corba.se.impl.encoding.CDRInputStream;

import com.sun.corba.se.spi.logging.CORBALogDomains ;
import com.sun.corba.se.impl.logging.ORBUtilSystemException ;

/**
 * This implements the GIOP 1.1 LocateReply header.
 *
 * @author Ram Jeyaraman 05/14/2000
 */

public final class LocateReplyMessage_1_1 extends Message_1_1
        implements LocateReplyMessage {

    // Instance variables

    private ORB orb = null;
    private int request_id = (int) 0;
    private int reply_status = (int) 0;
    private IOR ior = null;

    // Constructors

    LocateReplyMessage_1_1(ORB orb) {
        this.orb = orb;
    }

    LocateReplyMessage_1_1(ORB orb, int _request_id,
            int _reply_status, IOR _ior) {
        super(Message.GIOPBigMagic, GIOPVersion.V1_1, FLAG_NO_FRAG_BIG_ENDIAN,
            Message.GIOPLocateReply, 0);
        this.orb = orb;
        request_id = _request_id;
        reply_status = _reply_status;
        ior = _ior;
    }

    // Accessor methods

    public int getRequestId() {
        return this.request_id;
    }

    public int getReplyStatus() {
        return this.reply_status;
    }

    public short getAddrDisposition() {
        return KeyAddr.value;
    }

    public SystemException getSystemException(String message) {
        return null; // 1.0 LocateReply body does not contain SystemException
    }

    public IOR getIOR() {
        return this.ior;
    }

    // IO methods

    public void read(org.omg.CORBA.portable.InputStream istream) {
        super.read(istream);
        this.request_id = istream.read_ulong();
        this.reply_status = istream.read_long();
        isValidReplyStatus(this.reply_status); // raises exception on error

        // The code below reads the reply body if status is OBJECT_FORWARD
        if (this.reply_status == OBJECT_FORWARD) {
            CDRInputStream cdr = (CDRInputStream) istream;
            this.ior = IORFactories.makeIOR( cdr ) ;
        }
    }

    // Note, this writes only the header information. SystemException or
    // IOR may be written afterwards into the reply mesg body.
    public void write(org.omg.CORBA.portable.OutputStream ostream) {
        super.write(ostream);
        ostream.write_ulong(this.request_id);
        ostream.write_long(this.reply_status);
    }

    // Static methods

    public static void isValidReplyStatus(int replyStatus) {
        switch (replyStatus) {
        case UNKNOWN_OBJECT :
        case OBJECT_HERE :
        case OBJECT_FORWARD :
            break;
        default :
            ORBUtilSystemException localWrapper = ORBUtilSystemException.get(
                CORBALogDomains.RPC_PROTOCOL ) ;
            throw localWrapper.illegalReplyStatus( CompletionStatus.COMPLETED_MAYBE);
        }
    }

    public void callback(MessageHandler handler)
        throws java.io.IOException
    {
        handler.handleInput(this);
    }
} // class LocateReplyMessage_1_1

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