10Sstevel@tonic-gate /* 20Sstevel@tonic-gate * CDDL HEADER START 30Sstevel@tonic-gate * 40Sstevel@tonic-gate * The contents of this file are subject to the terms of the 5*7298SMark.J.Nelson@Sun.COM * Common Development and Distribution License (the "License"). 6*7298SMark.J.Nelson@Sun.COM * You may not use this file except in compliance with the License. 70Sstevel@tonic-gate * 80Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 90Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 100Sstevel@tonic-gate * See the License for the specific language governing permissions 110Sstevel@tonic-gate * and limitations under the License. 120Sstevel@tonic-gate * 130Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 140Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 150Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 160Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 170Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 180Sstevel@tonic-gate * 190Sstevel@tonic-gate * CDDL HEADER END 200Sstevel@tonic-gate */ 210Sstevel@tonic-gate /* 220Sstevel@tonic-gate * Copyright (c) 1999 by Sun Microsystems, Inc. 230Sstevel@tonic-gate * All rights reserved. 240Sstevel@tonic-gate * 250Sstevel@tonic-gate */ 260Sstevel@tonic-gate 270Sstevel@tonic-gate // AttributeString.java: Model an Attribute value string. 280Sstevel@tonic-gate // Author: James Kempf 290Sstevel@tonic-gate // Created On: Wed Apr 8 10:40:03 1998 300Sstevel@tonic-gate // Last Modified By: James Kempf 310Sstevel@tonic-gate // Last Modified On: Wed Jul 29 15:21:32 1998 320Sstevel@tonic-gate // Update Count: 16 330Sstevel@tonic-gate // 340Sstevel@tonic-gate 350Sstevel@tonic-gate package com.sun.slp; 360Sstevel@tonic-gate 370Sstevel@tonic-gate import java.util.*; 380Sstevel@tonic-gate import java.io.*; 390Sstevel@tonic-gate 400Sstevel@tonic-gate /** 410Sstevel@tonic-gate * The AttributeString class embodies the SLP lower cased, space compressed 420Sstevel@tonic-gate * string matching rules. It precomputes an 430Sstevel@tonic-gate * efficient string for matching, squeezing out whitespace and lower casing. 440Sstevel@tonic-gate * The toString() method returns the original string. Note that it does 450Sstevel@tonic-gate * NOT handle pattern wildcard matching. 460Sstevel@tonic-gate * 470Sstevel@tonic-gate * @author James Kempf 480Sstevel@tonic-gate */ 490Sstevel@tonic-gate 500Sstevel@tonic-gate class AttributeString extends Object { 510Sstevel@tonic-gate 520Sstevel@tonic-gate String string; // the original string. 530Sstevel@tonic-gate String cstring; // whitespace separated, lower cased parts. 540Sstevel@tonic-gate Locale locale; // the locale in which this string was created. 550Sstevel@tonic-gate 560Sstevel@tonic-gate // Create an attribute string. Use the passed in locale to determine 570Sstevel@tonic-gate // the lower casing rules. 580Sstevel@tonic-gate AttributeString(String str, Locale nlocale)590Sstevel@tonic-gate AttributeString(String str, Locale nlocale) { 600Sstevel@tonic-gate 610Sstevel@tonic-gate string = str; 620Sstevel@tonic-gate locale = nlocale; 630Sstevel@tonic-gate 640Sstevel@tonic-gate cstring = parse(str, nlocale); 650Sstevel@tonic-gate 660Sstevel@tonic-gate } 670Sstevel@tonic-gate 680Sstevel@tonic-gate // Parse the string into whitespace separated, lower cased parts. 690Sstevel@tonic-gate parse(String str, Locale nlocale)700Sstevel@tonic-gate private String parse(String str, Locale nlocale) { 710Sstevel@tonic-gate 720Sstevel@tonic-gate StringBuffer buf = new StringBuffer(); 730Sstevel@tonic-gate 740Sstevel@tonic-gate StringTokenizer tk = 750Sstevel@tonic-gate new StringTokenizer(str, ServiceLocationAttribute.WHITESPACE); 760Sstevel@tonic-gate 770Sstevel@tonic-gate while (tk.hasMoreTokens()) { 780Sstevel@tonic-gate buf.append(tk.nextToken().toLowerCase(nlocale)); 790Sstevel@tonic-gate buf.append(ServiceLocationAttribute.SPACE); 800Sstevel@tonic-gate 810Sstevel@tonic-gate } 820Sstevel@tonic-gate 830Sstevel@tonic-gate return buf.toString().trim(); 840Sstevel@tonic-gate } 850Sstevel@tonic-gate 860Sstevel@tonic-gate // 870Sstevel@tonic-gate // Comparison operations. 880Sstevel@tonic-gate // 890Sstevel@tonic-gate 900Sstevel@tonic-gate // For compatibility with AttributePattern. 910Sstevel@tonic-gate match(AttributeString str)920Sstevel@tonic-gate public boolean match(AttributeString str) { 930Sstevel@tonic-gate return equals(str); 940Sstevel@tonic-gate 950Sstevel@tonic-gate } 960Sstevel@tonic-gate lessEqual(AttributeString str)970Sstevel@tonic-gate public boolean lessEqual(AttributeString str) { 980Sstevel@tonic-gate 990Sstevel@tonic-gate return (cstring.compareTo(str.cstring) <= 0); 1000Sstevel@tonic-gate 1010Sstevel@tonic-gate } 1020Sstevel@tonic-gate greaterEqual(AttributeString str)1030Sstevel@tonic-gate public boolean greaterEqual(AttributeString str) { 1040Sstevel@tonic-gate return (cstring.compareTo(str.cstring) >= 0); 1050Sstevel@tonic-gate 1060Sstevel@tonic-gate } 1070Sstevel@tonic-gate 1080Sstevel@tonic-gate // 1090Sstevel@tonic-gate // Object overrides. 1100Sstevel@tonic-gate // 1110Sstevel@tonic-gate 1120Sstevel@tonic-gate /** 1130Sstevel@tonic-gate * Return true if obj pattern matches with this string. 1140Sstevel@tonic-gate */ 1150Sstevel@tonic-gate equals(Object obj)1160Sstevel@tonic-gate public boolean equals(Object obj) { 1170Sstevel@tonic-gate 1180Sstevel@tonic-gate if (obj == this) { 1190Sstevel@tonic-gate return true; 1200Sstevel@tonic-gate 1210Sstevel@tonic-gate } 1220Sstevel@tonic-gate 1230Sstevel@tonic-gate if (!(obj instanceof AttributeString)) { 1240Sstevel@tonic-gate return false; 1250Sstevel@tonic-gate 1260Sstevel@tonic-gate } 1270Sstevel@tonic-gate 1280Sstevel@tonic-gate return cstring.equals(((AttributeString)obj).cstring); 1290Sstevel@tonic-gate } 1300Sstevel@tonic-gate 1310Sstevel@tonic-gate /** 1320Sstevel@tonic-gate * Return the original string. 1330Sstevel@tonic-gate */ 1340Sstevel@tonic-gate toString()1350Sstevel@tonic-gate public String toString() { 1360Sstevel@tonic-gate return string; 1370Sstevel@tonic-gate 1380Sstevel@tonic-gate } 1390Sstevel@tonic-gate 1400Sstevel@tonic-gate /** 1410Sstevel@tonic-gate * Hash on the computed string. 1420Sstevel@tonic-gate */ 1430Sstevel@tonic-gate hashCode()1440Sstevel@tonic-gate public int hashCode() { 1450Sstevel@tonic-gate return cstring.toString().hashCode(); 1460Sstevel@tonic-gate 1470Sstevel@tonic-gate } 1480Sstevel@tonic-gate 1490Sstevel@tonic-gate } 150