01: /******************************************************************************
02: * JBoss, a division of Red Hat *
03: * Copyright 2006, Red Hat Middleware, LLC, and individual *
04: * contributors as indicated by the @authors tag. See the *
05: * copyright.txt in the distribution for a full listing of *
06: * individual contributors. *
07: * *
08: * This is free software; you can redistribute it and/or modify it *
09: * under the terms of the GNU Lesser General Public License as *
10: * published by the Free Software Foundation; either version 2.1 of *
11: * the License, or (at your option) any later version. *
12: * *
13: * This software is distributed in the hope that it will be useful, *
14: * but WITHOUT ANY WARRANTY; without even the implied warranty of *
15: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU *
16: * Lesser General Public License for more details. *
17: * *
18: * You should have received a copy of the GNU Lesser General Public *
19: * License along with this software; if not, write to the Free *
20: * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA *
21: * 02110-1301 USA, or see the FSF site: http://www.fsf.org. *
22: ******************************************************************************/package org.jboss.portal.server.impl.xml;
23:
24: import org.jboss.portal.common.xml.XMLTools;
25: import org.jboss.portal.jems.as.system.AbstractJBossService;
26: import org.w3c.dom.Element;
27: import org.xml.sax.EntityResolver;
28: import org.xml.sax.InputSource;
29: import org.xml.sax.SAXException;
30:
31: import java.io.IOException;
32: import java.io.InputStream;
33: import java.util.Properties;
34:
35: /**
36: * @author <a href="mailto:julien@jboss.org">Julien Viet</a>
37: * @version $Revision: 8784 $
38: */
39: public class EntityResolverService extends AbstractJBossService
40: implements EntityResolver {
41:
42: /** . */
43: private Element dtdMapping;
44:
45: /** . */
46: private Properties dtdMappingProps;
47:
48: public Element getDTDMapping() {
49: return dtdMapping;
50: }
51:
52: public void setDTDMapping(Element dtdMapping) {
53: this .dtdMapping = dtdMapping;
54:
55: //
56: if (this .dtdMapping != null) {
57: dtdMappingProps = XMLTools.loadXMLProperties(dtdMapping);
58: } else {
59: dtdMappingProps = null;
60: }
61: }
62:
63: public InputSource resolveEntity(String publicId, String systemId)
64: throws SAXException, IOException {
65:
66: // Let the parser open a regular URI connection to systemId
67: if (publicId == null) {
68: return null;
69: }
70:
71: //
72: String dtdResourceName = (String) dtdMappingProps.get(publicId);
73: if (dtdResourceName != null) {
74:
75: log.debug("Looking up resource " + dtdResourceName
76: + " for dtd publicId=" + publicId + ", systemId="
77: + systemId);
78: InputStream dtdStream = Thread.currentThread()
79: .getContextClassLoader().getResourceAsStream(
80: dtdResourceName);
81: if (dtdStream != null) {
82: return new InputSource(dtdStream);
83: } else {
84: log.debug("No resource found for dtd publicId="
85: + publicId + ", systemId=" + systemId);
86: }
87: } else {
88: log.debug("No resource name found for dtd publicId="
89: + publicId + ", systemId=" + systemId);
90: }
91:
92: //
93: return null;
94: }
95:
96: public String toString() {
97: return "EntityResolver[" + getServiceName() + "]";
98: }
99: }
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