DelegateUri.java revision 808:d6dcb5df3d6d 
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
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23 * questions.
24 */
25package javax.xml.catalog;
26
27import java.net.URI;
28
29/**
30 * Represents a delegateURI entry.
31 *
32 * @since 9
33 */
34final 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}
98