1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 /* 22 * Copyright (c) 1999 by Sun Microsystems, Inc. 23 * All rights reserved. 24 * 25 */ 26 27 // SLPV1SAttrMsg.java: SLPv1 Attribute request for server. 28 // Author: James Kempf 29 // Created On: Fri Sep 11 13:23:28 1998 30 // Last Modified By: James Kempf 31 // Last Modified On: Tue Oct 27 10:57:39 1998 32 // Update Count: 19 33 // 34 35 36 37 package com.sun.slp; 38 39 import java.util.*; 40 import java.io.*; 41 42 43 /** 44 * The SLPV1SAttrMsg class models the SLP server side attribute message. 45 * 46 * @author James Kempf 47 */ 48 49 class SLPV1SAttrMsg extends SAttrMsg { 50 51 // For creating null reply. 52 53 SLPV1SAttrMsg() {} 54 55 // Construct a SLPV1SAttrMsg from the byte input stream. This will 56 57 SLPV1SAttrMsg(SrvLocHeader hdr, DataInputStream dis) 58 throws ServiceLocationException, IOException { 59 60 super(hdr, dis); 61 62 } 63 64 // Construct an empty SLPV1SSrvMsg, for monolingual off. 65 66 static SrvLocMsg makeEmptyReply(SLPHeaderV1 hdr) 67 throws ServiceLocationException { 68 69 SLPV1SAttrMsg msg = new SLPV1SAttrMsg(); 70 msg.hdr = hdr; 71 72 msg.makeReply(new Vector(), null); 73 74 return msg; 75 76 } 77 78 void initialize(DataInputStream dis) 79 throws ServiceLocationException, IOException { 80 81 SLPHeaderV1 hdr = (SLPHeaderV1)getHeader(); 82 StringBuffer buf = new StringBuffer(); 83 84 // Parse in the previous responder's list. 85 86 hdr.parsePreviousRespondersIn(dis); 87 88 // Parse in the URL or service type. 89 90 hdr.getString(buf, dis); 91 92 String urlOrServiceType = buf.toString().trim(); 93 94 // Decide whether this is a service type or service URL 95 96 try { 97 98 URL = new ServiceURLV1(urlOrServiceType, 99 ServiceURL.LIFETIME_DEFAULT); 100 101 serviceType = null; 102 103 } catch (IllegalArgumentException ex) { 104 105 // Check to make sure service type is right. 106 107 serviceType = 108 hdr.checkServiceType(urlOrServiceType.toLowerCase()); 109 110 URL = null; 111 } 112 113 // Parse in the scope and validate it. 114 115 hdr.getString(buf, dis); 116 117 String scope = buf.toString().toLowerCase().trim(); 118 119 hdr.validateScope(scope); 120 121 // Change unscoped to default. 122 123 if (scope.length() <= 0) { 124 scope = Defaults.DEFAULT_SCOPE; 125 126 } 127 128 hdr.scopes = new Vector(); 129 hdr.scopes.addElement(scope); 130 131 // Parse in the attribute tags. 132 133 hdr.getString(buf, dis); 134 135 tags = 136 hdr.parseCommaSeparatedListIn(buf.toString().trim(), true); 137 138 // Unescape tags. 139 140 int i, n = tags.size(); 141 142 for (i = 0; i < n; i++) { 143 String tag = (String)tags.elementAt(i); 144 145 // Check for starting and ending wildcards. 146 147 boolean wildcardStart = false; 148 boolean wildcardEnd = false; 149 150 if (tag.startsWith("*")) { 151 wildcardStart = true; 152 tag = tag.substring(1, tag.length()); 153 } 154 155 if (tag.endsWith("*")) { 156 wildcardEnd = true; 157 tag = tag.substring(0, tag.length()-1); 158 } 159 160 tag = 161 ServiceLocationAttributeV1.unescapeAttributeString(tag, 162 hdr.charCode); 163 164 if (wildcardStart) { 165 tag = "*" + tag; 166 } 167 168 if (wildcardEnd) { 169 tag = tag + "*"; 170 } 171 172 tags.setElementAt(tag.trim(), i); 173 } 174 175 hdr.constructDescription("AttrRqst", 176 " " + 177 (URL != null ? ("URL=``" + URL): 178 ("service type=``" + serviceType)) + 179 "''\n" + 180 " tags=``" + tags + "''"); 181 } 182 183 // Construct an SAttrMsg payload for reply to client. 184 185 SrvLocMsg makeReply(Vector attrs, Hashtable auth) 186 throws ServiceLocationException { 187 188 SLPHeaderV1 hdr = ((SLPHeaderV1)getHeader()).makeReplyHeader(); 189 190 // We need to check whether this is an AttrRqst by type and 191 // if the type was an abstract type. If so, we simply return 192 // an empty reply, but we print a message to the log so the problem 193 // can be fixed. 194 195 if (serviceType != null) { 196 ServiceType type = new ServiceType(serviceType); 197 ServiceStore store = ServiceTable.getServiceTable().store; 198 Vector types = store.findServiceTypes(type.getNamingAuthority(), 199 this.hdr.scopes); 200 201 int i, n = types.size(); 202 203 for (i = 0; i < n; i++) { 204 String stype = (String)types.elementAt(i); 205 ServiceType ttype = new ServiceType(stype); 206 207 if (ttype.isAbstractType() && 208 type.equals(ttype.getAbstractTypeName())) { 209 210 // We are out of luck! 211 212 SLPConfig config = SLPConfig.getSLPConfig(); 213 214 config.writeLog("v1_abstract_type_conflict", 215 new Object[] {serviceType, 216 ttype}); 217 attrs.removeAllElements(); 218 } 219 } 220 } 221 222 hdr.iNumReplies = attrs.size(); 223 224 ByteArrayOutputStream baos = new ByteArrayOutputStream(); 225 226 hdr.parseAttributeVectorOut(attrs, baos); // attributes 227 228 hdr.payload = baos.toByteArray(); 229 230 hdr.constructDescription("AttrRply", 231 " attributes=``" + attrs + "''\n"); 232 233 return hdr; 234 } 235 } 236