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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright (c) 1999 by Sun Microsystems, Inc.
* All rights reserved.
*
*/
// SAttrMsg.java: Message class for SLP attribute request.
// Author: James Kempf
// Created On: Thu Oct 9 14:24:55 1997
// Last Modified By: James Kempf
// Last Modified On: Tue Oct 27 10:57:41 1998
// Update Count: 131
//
package com.sun.slp;
import java.util.*;
import java.io.*;
/**
* The SAttrMsg class models the SLP server side attribute message.
* Subclasses for other versions can specialize the
* initialize() and makeReply() methods.
*
* @author James Kempf
*/
class SAttrMsg extends SrvLocMsgImpl {
ServiceURL URL = null; // nonNull if a URL query.
String serviceType = null; // nonNull if a service type query.
Vector tags = new Vector(); // Vector of String tags.
String spi = ""; // requested SPI
protected SAttrMsg() {}
// Construct a SAttrMsg from the input stream. This will
// be an SLP attribute request.
SAttrMsg(SrvLocHeader hdr, DataInputStream dis)
throws ServiceLocationException, IOException {
super(hdr, SrvLocHeader.AttrRqst);
this.initialize(dis);
}
// Initialize the message object.
void initialize(DataInputStream dis)
throws ServiceLocationException, IOException {
SLPServerHeaderV2 hdr = (SLPServerHeaderV2)getHeader();
StringBuffer buf = new StringBuffer();
// Parse in the previous responder's list.
hdr.parsePreviousRespondersIn(dis);
// Parse in the URL or service type.
hdr.getString(buf, dis);
String urlOrServiceType = buf.toString();
// Decide whether this is a service type or service URL
try {
URL = new ServiceURL(urlOrServiceType, ServiceURL.LIFETIME_NONE);
serviceType = null;
} catch (IllegalArgumentException ex) {
// Validate and remove IANA.
ServiceType t = new ServiceType(urlOrServiceType);
serviceType = t.toString();
URL = null;
}
// Parse in the scopes.
hdr.parseScopesIn(dis);
// Parse in the attribute tags.
hdr.getString(buf, dis);
tags = hdr.parseCommaSeparatedListIn(buf.toString(), true);
// Unescape tags.
hdr.unescapeTags(tags);
// Get the SPI
hdr.getString(buf, dis);
spi = buf.toString();
// Construct the description.
hdr.constructDescription("AttrRqst",
" " +
(URL != null ?
("URL=``" + URL):
("service type=``" + serviceType)) +
"''\n" +
" tags=``" + tags + "''\n" +
" spi=``" + spi + "''\n");
}
// Construct an SAttrMsg payload for reply to client. This will
// be an AttrRply message.
SrvLocMsg makeReply(Vector attrs, Hashtable auth)
throws ServiceLocationException {
SLPServerHeaderV2 hdr =
((SLPServerHeaderV2)getHeader()).makeReplyHeader();
hdr.iNumReplies = attrs.size();
// Select AuthBlock with requested SPI
if (auth != null) {
AuthBlock selectedAuth = AuthBlock.getEquivalentAuth(spi, auth);
auth = null;
if (selectedAuth != null) {
auth = new Hashtable();
auth.put(spi, selectedAuth);
}
}
ByteArrayOutputStream baos = new ByteArrayOutputStream();
hdr.parseAttributeVectorOut(attrs, 0, (auth != null),
auth, baos, true);
hdr.payload = baos.toByteArray();
// Construct description.
hdr.constructDescription("AttrRply",
" attributes=``" +
attrs +
"''\n" +
" auth block=" +
AuthBlock.desc(auth) +
"\n");
return hdr;
}
}
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