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 // SAttrMsg.java: Message class for SLP attribute request. 28 // Author: James Kempf 29 // Created On: Thu Oct 9 14:24:55 1997 30 // Last Modified By: James Kempf 31 // Last Modified On: Tue Oct 27 10:57:41 1998 32 // Update Count: 131 33 // 34 35 package com.sun.slp; 36 37 import java.util.*; 38 import java.io.*; 39 40 41 /** 42 * The SAttrMsg class models the SLP server side attribute message. 43 * Subclasses for other versions can specialize the 44 * initialize() and makeReply() methods. 45 * 46 * @author James Kempf 47 */ 48 49 class SAttrMsg extends SrvLocMsgImpl { 50 51 ServiceURL URL = null; // nonNull if a URL query. 52 String serviceType = null; // nonNull if a service type query. 53 Vector tags = new Vector(); // Vector of String tags. 54 String spi = ""; // requested SPI 55 56 protected SAttrMsg() {} 57 58 // Construct a SAttrMsg from the input stream. This will 59 // be an SLP attribute request. 60 61 SAttrMsg(SrvLocHeader hdr, DataInputStream dis) 62 throws ServiceLocationException, IOException { 63 64 super(hdr, SrvLocHeader.AttrRqst); 65 66 this.initialize(dis); 67 68 } 69 70 // Initialize the message object. 71 72 void initialize(DataInputStream dis) 73 throws ServiceLocationException, IOException { 74 75 SLPServerHeaderV2 hdr = (SLPServerHeaderV2)getHeader(); 76 StringBuffer buf = new StringBuffer(); 77 78 // Parse in the previous responder's list. 79 80 hdr.parsePreviousRespondersIn(dis); 81 82 // Parse in the URL or service type. 83 84 hdr.getString(buf, dis); 85 86 String urlOrServiceType = buf.toString(); 87 88 // Decide whether this is a service type or service URL 89 90 try { 91 URL = new ServiceURL(urlOrServiceType, ServiceURL.LIFETIME_NONE); 92 93 serviceType = null; 94 95 } catch (IllegalArgumentException ex) { 96 97 // Validate and remove IANA. 98 99 ServiceType t = new ServiceType(urlOrServiceType); 100 101 serviceType = t.toString(); 102 103 URL = null; 104 } 105 106 // Parse in the scopes. 107 108 hdr.parseScopesIn(dis); 109 110 // Parse in the attribute tags. 111 112 hdr.getString(buf, dis); 113 114 tags = hdr.parseCommaSeparatedListIn(buf.toString(), true); 115 116 // Unescape tags. 117 118 hdr.unescapeTags(tags); 119 120 // Get the SPI 121 122 hdr.getString(buf, dis); 123 124 spi = buf.toString(); 125 126 // Construct the description. 127 128 hdr.constructDescription("AttrRqst", 129 " " + 130 (URL != null ? 131 ("URL=``" + URL): 132 ("service type=``" + serviceType)) + 133 "''\n" + 134 " tags=``" + tags + "''\n" + 135 " spi=``" + spi + "''\n"); 136 } 137 138 // Construct an SAttrMsg payload for reply to client. This will 139 // be an AttrRply message. 140 141 SrvLocMsg makeReply(Vector attrs, Hashtable auth) 142 throws ServiceLocationException { 143 144 SLPServerHeaderV2 hdr = 145 ((SLPServerHeaderV2)getHeader()).makeReplyHeader(); 146 147 hdr.iNumReplies = attrs.size(); 148 149 // Select AuthBlock with requested SPI 150 if (auth != null) { 151 AuthBlock selectedAuth = AuthBlock.getEquivalentAuth(spi, auth); 152 auth = null; 153 if (selectedAuth != null) { 154 auth = new Hashtable(); 155 auth.put(spi, selectedAuth); 156 } 157 } 158 159 ByteArrayOutputStream baos = new ByteArrayOutputStream(); 160 161 hdr.parseAttributeVectorOut(attrs, 0, (auth != null), 162 auth, baos, true); 163 164 hdr.payload = baos.toByteArray(); 165 166 // Construct description. 167 168 hdr.constructDescription("AttrRply", 169 " attributes=``" + 170 attrs + 171 "''\n" + 172 " auth block=" + 173 AuthBlock.desc(auth) + 174 "\n"); 175 176 return hdr; 177 178 } 179 180 } 181