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