1 /* 2 * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle in the LICENSE file that accompanied this code. 10 * 11 * This code is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * version 2 for more details (a copy is included in the LICENSE file that 15 * accompanied this code). 16 * 17 * You should have received a copy of the GNU General Public License version 18 * 2 along with this work; if not, write to the Free Software Foundation, 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 * 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 package javax.xml.catalog; 26 27 import java.net.URL; 28 29 /** 30 * Represents a rewriteSystem entry. 31 * 32 * @since 9 33 */ 34 final class RewriteSystem extends BaseEntry { 35 String systemIdStartString; 36 URL rewritePrefix; 37 38 /** 39 * Construct a rewriteSystem entry. 40 * 41 * @param systemIdStartString The systemIdStartString attribute. 42 * @param rewritePrefix The rewritePrefix attribute. 43 */ 44 public RewriteSystem(String base, String systemIdStartString, String rewritePrefix) { 45 super(CatalogEntryType.REWRITESYSTEM, base); 46 setSystemIdStartString (systemIdStartString); 47 setRewritePrefix(rewritePrefix); 48 } 49 50 /** 51 * Set the systemIdStartString attribute. 52 * @param systemIdStartString The systemIdStartString attribute value. 53 */ 54 public void setSystemIdStartString (String systemIdStartString) { 55 CatalogMessages.reportNPEOnNull("systemIdStartString", systemIdStartString); 56 this.systemIdStartString = Normalizer.normalizeURI(systemIdStartString); 57 } 58 59 /** 60 * Set the rewritePrefix attribute. If the value of the rewritePrefix attribute 61 * is relative, it must be made absolute with respect to the base URI currently in effect. 62 * @param rewritePrefix The rewritePrefix attribute value. 63 */ 64 public void setRewritePrefix(String rewritePrefix) { 65 this.rewritePrefix = verifyURI("setRewritePrefix", baseURI, rewritePrefix); 66 } 67 68 /** 69 * Get the systemIdStartString attribute. 70 * @return The systemIdStartString 71 */ 72 public String getSystemIdStartString () { 73 return systemIdStartString; 74 } 75 /** 76 * Get the rewritePrefix attribute. 77 * @return The rewritePrefix attribute value. 78 */ 79 public URL getRewritePrefix() { 80 return rewritePrefix; 81 } 82 83 84 /** 85 * Try to match the specified systemId with the entry. Return the match if it 86 * is successful and the length of the systemIdStartString is longer than the 87 * longest of any previous match. 88 * 89 * @param systemId The systemId to be matched. 90 * @param currentMatch The length of systemIdStartString of previous match if any. 91 * @return The replacement URI if the match is successful, null if not. 92 */ 93 public String match(String systemId, int currentMatch) { 94 if (systemIdStartString.length() <= systemId.length() && 95 systemIdStartString.equals(systemId.substring(0, systemIdStartString.length()))) { 96 if (currentMatch < systemIdStartString.length()) { 97 String prefix = rewritePrefix.toExternalForm(); 98 if (!prefix.endsWith(SLASH) && !systemId.startsWith(SLASH)) { 99 return prefix + SLASH + systemId.substring(systemIdStartString.length()); 100 } else { 101 return prefix + systemId.substring(systemIdStartString.length()); 102 } 103 } 104 } 105 return null; 106 } 107 108 /** 109 * Try to match the specified systemId with the entry. 110 * 111 * @param systemId The systemId to be matched. 112 * @return The replacement URI if the match is successful, null if not. 113 */ 114 @Override 115 public String match(String systemId) { 116 return match(systemId, 0); 117 } 118 }