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.URI;
  28 
  29 /**
  30  * Represents a delegatePublic entry.
  31  *
  32  * @since 9
  33  */
  34 final class DelegatePublic extends AltCatalog {
  35     String publicIdStartString;
  36 
  37     /**
  38      * Construct a delegatePublic entry.
  39      * @param startString The publicIdStartString attribute.
  40      * @param catalog The catalog attribute.
  41      */
  42     public DelegatePublic(String base, String startString, String catalog) {
  43         super(CatalogEntryType.DELEGATEPUBLIC, base);
  44         setPublicIdStartString(startString);
  45         setCatalog(catalog);
  46     }
  47 
  48     /**
  49      * Set the publicIdStartString attribute.
  50      * @param startString The publicIdStartString attribute value.
  51      */
  52     public void setPublicIdStartString (String startString) {
  53         CatalogMessages.reportNPEOnNull("publicIdStartString", startString);
  54         this.publicIdStartString = Normalizer.normalizePublicId(startString);
  55         setMatchId(publicIdStartString);
  56     }
  57 
  58     /**
  59      * Get the publicIdStartString attribute.
  60      * @return The publicIdStartString
  61      */
  62     public String getPublicIdStartString () {
  63         return publicIdStartString;
  64     }
  65 
  66     /**
  67      * Try to match the specified publicId with the entry.
  68      *
  69      * @param publicId The publicId to be matched.
  70      * @return The URI of the catalog.
  71      */
  72     @Override
  73     public String match(String publicId) {
  74         return match(publicId, 0);
  75     }
  76 
  77     /**
  78      * Try to match the specified publicId with the entry. Return the match if it
  79      * is successful and the length of the publicIdStartString is longer than the
  80      * longest of any previous match.
  81      *
  82      * @param publicId The publicId to be matched.
  83      * @param currentMatch The length of publicIdStartString of previous match if any.
  84      * @return The replacement URI if the match is successful, null if not.
  85      */
  86     @Override
  87     public URI matchURI(String publicId, int currentMatch) {
  88         if (publicIdStartString.length() <= publicId.length() &&
  89                 publicIdStartString.equals(publicId.substring(0, publicIdStartString.length()))) {
  90             if (currentMatch < publicIdStartString.length()) {
  91                 return catalogURI;
  92             }
  93         }
  94         return null;
  95     }
  96 
  97 }