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 // URLAttributeVerifier.java: Parse a service template from a URL 28 // Author: James Kempf 29 // Created On: Mon Jun 23 11:52:04 1997 30 // Last Modified By: James Kempf 31 // Last Modified On: Thu Jun 11 13:24:03 1998 32 // Update Count: 22 33 // 34 35 package com.sun.slp; 36 37 import java.util.*; 38 import java.net.*; 39 import java.io.*; 40 41 /** 42 * A URLAttributeVerifier object performs service template parsing from 43 * a URL. Most of the work is done by the superclass. This class 44 * takes care of opening the Reader on the URL. 45 * 46 * @author James Kempf 47 * 48 */ 49 50 class URLAttributeVerifier extends AttributeVerifier { 51 52 /** 53 * Construct a URLAttributeVerifier for the file named in the parameter. 54 * 55 * @param url URL from which to read the template 56 * @exception ServiceLocationException Error code may be: 57 * SYSTEM_ERROR 58 * when the URL can't be opened or 59 * some other i/o error occurs. 60 * PARSE_ERROR 61 * if an error occurs during 62 * attribute parsing. 63 */ 64 65 URLAttributeVerifier(String url) 66 throws ServiceLocationException { 67 68 super(); 69 70 initialize(url); 71 72 } 73 74 // Open a reader on the URL and initialize the attribute verifier. 75 76 private void initialize(String urlName) 77 throws ServiceLocationException { 78 79 InputStream is = null; 80 81 try { 82 83 // Open the URL. 84 85 URL url = new URL(urlName); 86 87 // Open an input stream on the URL. 88 89 is = url.openStream(); 90 91 // Initialize the verifier, by parsing the file. 92 93 super.initialize(new InputStreamReader(is)); 94 95 } catch (MalformedURLException ex) { 96 97 throw 98 new ServiceLocationException( 99 ServiceLocationException.INTERNAL_SYSTEM_ERROR, 100 "invalid_url", 101 new Object[] {urlName}); 102 103 } catch (IOException ex) { 104 105 throw 106 new ServiceLocationException( 107 ServiceLocationException.INTERNAL_SYSTEM_ERROR, 108 "url_ioexception", 109 new Object[] { urlName, ex.getMessage()}); 110 111 } 112 113 try { 114 115 is.close(); 116 117 } catch (IOException ex) { 118 119 } 120 121 } 122 } 123