17c478bd9Sstevel@tonic-gate /* 27c478bd9Sstevel@tonic-gate * CDDL HEADER START 37c478bd9Sstevel@tonic-gate * 47c478bd9Sstevel@tonic-gate * The contents of this file are subject to the terms of the 5*9a70fc3bSMark J. Nelson * Common Development and Distribution License (the "License"). 6*9a70fc3bSMark J. Nelson * You may not use this file except in compliance with the License. 77c478bd9Sstevel@tonic-gate * 87c478bd9Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 97c478bd9Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 107c478bd9Sstevel@tonic-gate * See the License for the specific language governing permissions 117c478bd9Sstevel@tonic-gate * and limitations under the License. 127c478bd9Sstevel@tonic-gate * 137c478bd9Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 147c478bd9Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 157c478bd9Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 167c478bd9Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 177c478bd9Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 187c478bd9Sstevel@tonic-gate * 197c478bd9Sstevel@tonic-gate * CDDL HEADER END 207c478bd9Sstevel@tonic-gate */ 217c478bd9Sstevel@tonic-gate /* 227c478bd9Sstevel@tonic-gate * Copyright (c) 1999 by Sun Microsystems, Inc. 237c478bd9Sstevel@tonic-gate * All rights reserved. 247c478bd9Sstevel@tonic-gate * 257c478bd9Sstevel@tonic-gate */ 267c478bd9Sstevel@tonic-gate 277c478bd9Sstevel@tonic-gate // Opaque.java: Wrapper for byte[]. 287c478bd9Sstevel@tonic-gate // Author: James Kempf 297c478bd9Sstevel@tonic-gate // Created On: Tue Apr 7 15:21:58 1998 307c478bd9Sstevel@tonic-gate // Last Modified By: James Kempf 317c478bd9Sstevel@tonic-gate // Last Modified On: Fri Jun 5 15:26:59 1998 327c478bd9Sstevel@tonic-gate // Update Count: 38 337c478bd9Sstevel@tonic-gate // 347c478bd9Sstevel@tonic-gate 357c478bd9Sstevel@tonic-gate package com.sun.slp; 367c478bd9Sstevel@tonic-gate 377c478bd9Sstevel@tonic-gate import java.util.*; 387c478bd9Sstevel@tonic-gate import java.io.*; 397c478bd9Sstevel@tonic-gate 407c478bd9Sstevel@tonic-gate /** 417c478bd9Sstevel@tonic-gate * The Opaque class wraps Java byte arrays so we can do object-like 427c478bd9Sstevel@tonic-gate * things, such as deep equality comparison and printing. 437c478bd9Sstevel@tonic-gate * 447c478bd9Sstevel@tonic-gate * @author James Kempf 457c478bd9Sstevel@tonic-gate */ 467c478bd9Sstevel@tonic-gate 477c478bd9Sstevel@tonic-gate class Opaque extends Object { 487c478bd9Sstevel@tonic-gate 497c478bd9Sstevel@tonic-gate // Character to use for fill. 507c478bd9Sstevel@tonic-gate 517c478bd9Sstevel@tonic-gate private static final char ZERO = '0'; 527c478bd9Sstevel@tonic-gate 537c478bd9Sstevel@tonic-gate // The byte array. 547c478bd9Sstevel@tonic-gate 557c478bd9Sstevel@tonic-gate byte[] bytes; 567c478bd9Sstevel@tonic-gate 577c478bd9Sstevel@tonic-gate // For identifying opaques. 587c478bd9Sstevel@tonic-gate 597c478bd9Sstevel@tonic-gate final static String OPAQUE_HEADER = "\\ff"; 607c478bd9Sstevel@tonic-gate 617c478bd9Sstevel@tonic-gate // Construct a Opaque. 627c478bd9Sstevel@tonic-gate Opaque(byte[] nb)637c478bd9Sstevel@tonic-gate Opaque(byte[] nb) { 647c478bd9Sstevel@tonic-gate bytes = nb; 657c478bd9Sstevel@tonic-gate 667c478bd9Sstevel@tonic-gate } 677c478bd9Sstevel@tonic-gate 687c478bd9Sstevel@tonic-gate // Construct a byte array from an escaped string. 697c478bd9Sstevel@tonic-gate unescapeByteArray(String str)707c478bd9Sstevel@tonic-gate static byte[] unescapeByteArray(String str) 717c478bd9Sstevel@tonic-gate throws ServiceLocationException { 727c478bd9Sstevel@tonic-gate 737c478bd9Sstevel@tonic-gate // Check for opaque header. 747c478bd9Sstevel@tonic-gate 757c478bd9Sstevel@tonic-gate if (!str.startsWith(OPAQUE_HEADER)) { 767c478bd9Sstevel@tonic-gate throw 777c478bd9Sstevel@tonic-gate new ServiceLocationException( 787c478bd9Sstevel@tonic-gate ServiceLocationException.PARSE_ERROR, 797c478bd9Sstevel@tonic-gate "no_opaque_header", 807c478bd9Sstevel@tonic-gate new Object[] {str}); 817c478bd9Sstevel@tonic-gate 827c478bd9Sstevel@tonic-gate } 837c478bd9Sstevel@tonic-gate 847c478bd9Sstevel@tonic-gate String string = str.substring(OPAQUE_HEADER.length()); 857c478bd9Sstevel@tonic-gate 867c478bd9Sstevel@tonic-gate // Process escapes to remove slash. 877c478bd9Sstevel@tonic-gate // string. 887c478bd9Sstevel@tonic-gate 897c478bd9Sstevel@tonic-gate int i, n = string.length(); 907c478bd9Sstevel@tonic-gate int len = 0; 917c478bd9Sstevel@tonic-gate int nlen = n / 3; 927c478bd9Sstevel@tonic-gate byte[] b = new byte[nlen]; 937c478bd9Sstevel@tonic-gate 947c478bd9Sstevel@tonic-gate for (i = 0; i < n; i++) { 957c478bd9Sstevel@tonic-gate if (string.charAt(i) != ServiceLocationAttribute.ESCAPE) { 967c478bd9Sstevel@tonic-gate throw 977c478bd9Sstevel@tonic-gate new ServiceLocationException( 987c478bd9Sstevel@tonic-gate ServiceLocationException.PARSE_ERROR, 997c478bd9Sstevel@tonic-gate "escape_err", 1007c478bd9Sstevel@tonic-gate new Object[] {str}); 1017c478bd9Sstevel@tonic-gate 1027c478bd9Sstevel@tonic-gate } 1037c478bd9Sstevel@tonic-gate 1047c478bd9Sstevel@tonic-gate // Get the next two characters. 1057c478bd9Sstevel@tonic-gate 1067c478bd9Sstevel@tonic-gate if (i > n - 2) { 1077c478bd9Sstevel@tonic-gate throw 1087c478bd9Sstevel@tonic-gate new ServiceLocationException( 1097c478bd9Sstevel@tonic-gate ServiceLocationException.PARSE_ERROR, 1107c478bd9Sstevel@tonic-gate "nonterminating_escape", 1117c478bd9Sstevel@tonic-gate new Object[] {str}); 1127c478bd9Sstevel@tonic-gate } 1137c478bd9Sstevel@tonic-gate 1147c478bd9Sstevel@tonic-gate if (len >= nlen) { 1157c478bd9Sstevel@tonic-gate throw 1167c478bd9Sstevel@tonic-gate new ServiceLocationException( 1177c478bd9Sstevel@tonic-gate ServiceLocationException.PARSE_ERROR, 1187c478bd9Sstevel@tonic-gate "wrong_char_num", 1197c478bd9Sstevel@tonic-gate new Object[] {str}); 1207c478bd9Sstevel@tonic-gate } 1217c478bd9Sstevel@tonic-gate 1227c478bd9Sstevel@tonic-gate try { 1237c478bd9Sstevel@tonic-gate 1247c478bd9Sstevel@tonic-gate i++; 1257c478bd9Sstevel@tonic-gate b[len++] = (byte)(Integer.parseInt( 1267c478bd9Sstevel@tonic-gate string.substring(i, i+2), 16) & 0xFF); 1277c478bd9Sstevel@tonic-gate i++; 1287c478bd9Sstevel@tonic-gate 1297c478bd9Sstevel@tonic-gate } catch (NumberFormatException ex) { 1307c478bd9Sstevel@tonic-gate throw 1317c478bd9Sstevel@tonic-gate new ServiceLocationException( 1327c478bd9Sstevel@tonic-gate ServiceLocationException.PARSE_ERROR, 1337c478bd9Sstevel@tonic-gate "not_hex", 1347c478bd9Sstevel@tonic-gate new Object[] {str}); 1357c478bd9Sstevel@tonic-gate 1367c478bd9Sstevel@tonic-gate } 1377c478bd9Sstevel@tonic-gate 1387c478bd9Sstevel@tonic-gate } 1397c478bd9Sstevel@tonic-gate 1407c478bd9Sstevel@tonic-gate return b; 1417c478bd9Sstevel@tonic-gate } 1427c478bd9Sstevel@tonic-gate 1437c478bd9Sstevel@tonic-gate // Overrides Object.equals(). 1447c478bd9Sstevel@tonic-gate equals(Object o)1457c478bd9Sstevel@tonic-gate public boolean equals(Object o) { 1467c478bd9Sstevel@tonic-gate 1477c478bd9Sstevel@tonic-gate if (o == this) { 1487c478bd9Sstevel@tonic-gate return true; 1497c478bd9Sstevel@tonic-gate 1507c478bd9Sstevel@tonic-gate } 1517c478bd9Sstevel@tonic-gate 1527c478bd9Sstevel@tonic-gate if (!(o instanceof Opaque)) { 1537c478bd9Sstevel@tonic-gate return false; 1547c478bd9Sstevel@tonic-gate 1557c478bd9Sstevel@tonic-gate } 1567c478bd9Sstevel@tonic-gate 1577c478bd9Sstevel@tonic-gate byte[] cbyte = ((Opaque)o).bytes; 1587c478bd9Sstevel@tonic-gate 1597c478bd9Sstevel@tonic-gate // Not equal if lengths aren't. 1607c478bd9Sstevel@tonic-gate 1617c478bd9Sstevel@tonic-gate if (cbyte.length != bytes.length) { 1627c478bd9Sstevel@tonic-gate return false; 1637c478bd9Sstevel@tonic-gate 1647c478bd9Sstevel@tonic-gate } 1657c478bd9Sstevel@tonic-gate 1667c478bd9Sstevel@tonic-gate // Check inside. 1677c478bd9Sstevel@tonic-gate 1687c478bd9Sstevel@tonic-gate int i; 1697c478bd9Sstevel@tonic-gate 1707c478bd9Sstevel@tonic-gate for (i = 0; i < cbyte.length; i++) { 1717c478bd9Sstevel@tonic-gate if (cbyte[i] != bytes[i]) { 1727c478bd9Sstevel@tonic-gate return false; 1737c478bd9Sstevel@tonic-gate 1747c478bd9Sstevel@tonic-gate } 1757c478bd9Sstevel@tonic-gate } 1767c478bd9Sstevel@tonic-gate 1777c478bd9Sstevel@tonic-gate return true; 1787c478bd9Sstevel@tonic-gate } 1797c478bd9Sstevel@tonic-gate toString()1807c478bd9Sstevel@tonic-gate public String toString() { 1817c478bd9Sstevel@tonic-gate 1827c478bd9Sstevel@tonic-gate int i, n = bytes.length; 1837c478bd9Sstevel@tonic-gate StringBuffer buf = new StringBuffer(); 1847c478bd9Sstevel@tonic-gate 1857c478bd9Sstevel@tonic-gate buf.append(OPAQUE_HEADER); 1867c478bd9Sstevel@tonic-gate 1877c478bd9Sstevel@tonic-gate for (i = 0; i < n; i++) { 1887c478bd9Sstevel@tonic-gate String str = null; 1897c478bd9Sstevel@tonic-gate 1907c478bd9Sstevel@tonic-gate // Convert each byte into a string, then escape. We use 1917c478bd9Sstevel@tonic-gate // an 8-bit encoding, LATIN1, since escapes are two 1927c478bd9Sstevel@tonic-gate // characters only. 1937c478bd9Sstevel@tonic-gate 1947c478bd9Sstevel@tonic-gate str = Integer.toHexString(((int)bytes[i] & 0xFF)); 1957c478bd9Sstevel@tonic-gate 1967c478bd9Sstevel@tonic-gate buf.append(ServiceLocationAttribute.ESCAPE); 1977c478bd9Sstevel@tonic-gate 1987c478bd9Sstevel@tonic-gate if (str.length() < 2) { 1997c478bd9Sstevel@tonic-gate buf.append(ZERO); 2007c478bd9Sstevel@tonic-gate } 2017c478bd9Sstevel@tonic-gate 2027c478bd9Sstevel@tonic-gate buf.append(str); 2037c478bd9Sstevel@tonic-gate } 2047c478bd9Sstevel@tonic-gate 2057c478bd9Sstevel@tonic-gate return buf.toString(); 2067c478bd9Sstevel@tonic-gate } 2077c478bd9Sstevel@tonic-gate 2087c478bd9Sstevel@tonic-gate } 209