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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.
*
*/
// SLPV1SAttrMsg.java: SLPv1 Attribute request for server.
// Author: James Kempf
// Created On: Fri Sep 11 13:23:28 1998
// Last Modified By: James Kempf
// Last Modified On: Tue Oct 27 10:57:39 1998
// Update Count: 19
//
package com.sun.slp;
import java.util.*;
import java.io.*;
/**
* The SLPV1SAttrMsg class models the SLP server side attribute message.
*
* @author James Kempf
*/
class SLPV1SAttrMsg extends SAttrMsg {
// For creating null reply.
SLPV1SAttrMsg() {}
// Construct a SLPV1SAttrMsg from the byte input stream. This will
SLPV1SAttrMsg(SrvLocHeader hdr, DataInputStream dis)
throws ServiceLocationException, IOException {
super(hdr, dis);
}
// Construct an empty SLPV1SSrvMsg, for monolingual off.
static SrvLocMsg makeEmptyReply(SLPHeaderV1 hdr)
throws ServiceLocationException {
SLPV1SAttrMsg msg = new SLPV1SAttrMsg();
msg.hdr = hdr;
msg.makeReply(new Vector(), null);
return msg;
}
void initialize(DataInputStream dis)
throws ServiceLocationException, IOException {
SLPHeaderV1 hdr = (SLPHeaderV1)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().trim();
// Decide whether this is a service type or service URL
try {
URL = new ServiceURLV1(urlOrServiceType,
ServiceURL.LIFETIME_DEFAULT);
serviceType = null;
} catch (IllegalArgumentException ex) {
// Check to make sure service type is right.
serviceType =
hdr.checkServiceType(urlOrServiceType.toLowerCase());
URL = null;
}
// Parse in the scope and validate it.
hdr.getString(buf, dis);
String scope = buf.toString().toLowerCase().trim();
hdr.validateScope(scope);
// Change unscoped to default.
if (scope.length() <= 0) {
scope = Defaults.DEFAULT_SCOPE;
}
hdr.scopes = new Vector();
hdr.scopes.addElement(scope);
// Parse in the attribute tags.
hdr.getString(buf, dis);
tags =
hdr.parseCommaSeparatedListIn(buf.toString().trim(), true);
// Unescape tags.
int i, n = tags.size();
for (i = 0; i < n; i++) {
String tag = (String)tags.elementAt(i);
// Check for starting and ending wildcards.
boolean wildcardStart = false;
boolean wildcardEnd = false;
if (tag.startsWith("*")) {
wildcardStart = true;
tag = tag.substring(1, tag.length());
}
if (tag.endsWith("*")) {
wildcardEnd = true;
tag = tag.substring(0, tag.length()-1);
}
tag =
ServiceLocationAttributeV1.unescapeAttributeString(tag,
hdr.charCode);
if (wildcardStart) {
tag = "*" + tag;
}
if (wildcardEnd) {
tag = tag + "*";
}
tags.setElementAt(tag.trim(), i);
}
hdr.constructDescription("AttrRqst",
" " +
(URL != null ? ("URL=``" + URL):
("service type=``" + serviceType)) +
"''\n" +
" tags=``" + tags + "''");
}
// Construct an SAttrMsg payload for reply to client.
SrvLocMsg makeReply(Vector attrs, Hashtable auth)
throws ServiceLocationException {
SLPHeaderV1 hdr = ((SLPHeaderV1)getHeader()).makeReplyHeader();
// We need to check whether this is an AttrRqst by type and
// if the type was an abstract type. If so, we simply return
// an empty reply, but we print a message to the log so the problem
// can be fixed.
if (serviceType != null) {
ServiceType type = new ServiceType(serviceType);
ServiceStore store = ServiceTable.getServiceTable().store;
Vector types = store.findServiceTypes(type.getNamingAuthority(),
this.hdr.scopes);
int i, n = types.size();
for (i = 0; i < n; i++) {
String stype = (String)types.elementAt(i);
ServiceType ttype = new ServiceType(stype);
if (ttype.isAbstractType() &&
type.equals(ttype.getAbstractTypeName())) {
// We are out of luck!
SLPConfig config = SLPConfig.getSLPConfig();
config.writeLog("v1_abstract_type_conflict",
new Object[] {serviceType,
ttype});
attrs.removeAllElements();
}
}
}
hdr.iNumReplies = attrs.size();
ByteArrayOutputStream baos = new ByteArrayOutputStream();
hdr.parseAttributeVectorOut(attrs, baos); // attributes
hdr.payload = baos.toByteArray();
hdr.constructDescription("AttrRply",
" attributes=``" + attrs + "''\n");
return hdr;
}
}
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