01: /**
02: * JOnAS: Java(TM) Open Application Server
03: * Copyright (C) 1999 Bull S.A.
04: * Contact: jonas-team@objectweb.org
05: *
06: * This library is free software; you can redistribute it and/or
07: * modify it under the terms of the GNU Lesser General Public
08: * License as published by the Free Software Foundation; either
09: * version 2.1 of the License, or 1any later version.
10: *
11: * This library is distributed in the hope that it will be useful,
12: * but WITHOUT ANY WARRANTY; without even the implied warranty of
13: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14: * Lesser General Public License for more details.
15: *
16: * You should have received a copy of the GNU Lesser General Public
17: * License along with this library; if not, write to the Free Software
18: * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
19: * USA
20: *
21: * --------------------------------------------------------------------------
22: * $Id: JLSResourceResolver.java 7520 2005-10-18 21:28:39Z glapouch $
23: * --------------------------------------------------------------------------
24: */package org.objectweb.jonas_lib.deployment.validation;
25:
26: import org.w3c.dom.ls.LSInput;
27: import org.w3c.dom.ls.LSResourceResolver;
28: import org.xml.sax.EntityResolver;
29: import org.xml.sax.InputSource;
30:
31: /**
32: * A custom ResourceResolver to use in SchemaFactory. It uses the JEntityResolver
33: * to resolve system IDs for DTDs and Schemas to local copies of those files.
34: *
35: * @author Patrick Smith
36: * @author Greg Lapouchnian
37: */
38: public class JLSResourceResolver implements LSResourceResolver {
39:
40: /**
41: * The entity resolver to use for lookups.
42: */
43: EntityResolver er;
44:
45: /**
46: *
47: * @param er the EntityResolver to use for resolving external
48: * resources
49: */
50: public JLSResourceResolver(EntityResolver er) {
51: this .er = er;
52: }
53:
54: /**
55: * Uses the EntityResolver to resolve an external resource.
56: */
57: public LSInput resolveResource(String type, String namespaceURI,
58: String publicId, String systemId, String baseURI) {
59: try {
60: InputSource source = er.resolveEntity(publicId, systemId);
61: return new JLSInput(source);
62:
63: } catch (Exception e) {
64: return null;
65: }
66: }
67: }
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