1 /**
2 * Portions of this software was developed by employees of the National Institute
3 * of Standards and Technology (NIST), an agency of the Federal Government and is
4 * being made available as a public service. Pursuant to title 17 United States
5 * Code Section 105, works of NIST employees are not subject to copyright
6 * protection in the United States. This software may be subject to foreign
7 * copyright. Permission in the United States and in foreign countries, to the
8 * extent that NIST may hold copyright, to use, copy, modify, create derivative
9 * works, and distribute this software and its documentation without fee is hereby
10 * granted on a non-exclusive basis, provided that this notice and disclaimer
11 * of warranty appears in all copies.
12 *
13 * THE SOFTWARE IS PROVIDED 'AS IS' WITHOUT ANY WARRANTY OF ANY KIND, EITHER
14 * EXPRESSED, IMPLIED, OR STATUTORY, INCLUDING, BUT NOT LIMITED TO, ANY WARRANTY
15 * THAT THE SOFTWARE WILL CONFORM TO SPECIFICATIONS, ANY IMPLIED WARRANTIES OF
16 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, AND FREEDOM FROM
17 * INFRINGEMENT, AND ANY WARRANTY THAT THE DOCUMENTATION WILL CONFORM TO THE
18 * SOFTWARE, OR ANY WARRANTY THAT THE SOFTWARE WILL BE ERROR FREE. IN NO EVENT
19 * SHALL NIST BE LIABLE FOR ANY DAMAGES, INCLUDING, BUT NOT LIMITED TO, DIRECT,
20 * INDIRECT, SPECIAL OR CONSEQUENTIAL DAMAGES, ARISING OUT OF, RESULTING FROM,
21 * OR IN ANY WAY CONNECTED WITH THIS SOFTWARE, WHETHER OR NOT BASED UPON WARRANTY,
22 * CONTRACT, TORT, OR OTHERWISE, WHETHER OR NOT INJURY WAS SUSTAINED BY PERSONS OR
23 * PROPERTY OR OTHERWISE, AND WHETHER OR NOT LOSS WAS SUSTAINED FROM, OR AROSE OUT
24 * OF THE RESULTS OF, OR USE OF, THE SOFTWARE OR SERVICES PROVIDED HEREUNDER.
25 */
26
27 package gov.nist.secauto.decima.xml.service;
28
29 import org.apache.logging.log4j.LogManager;
30 import org.apache.logging.log4j.Logger;
31 import org.w3c.dom.ls.LSInput;
32 import org.w3c.dom.ls.LSResourceResolver;
33
34 import java.util.List;
35
36 public class CompositeLSResourceResolver implements LSResourceResolver {
37 private static final Logger log = LogManager.getLogger(CompositeLSResourceResolver.class);
38 private final List<? extends LSResourceResolver> resolvers;
39
40 public CompositeLSResourceResolver(List<? extends LSResourceResolver> resolvers) {
41 this.resolvers = resolvers;
42 }
43
44 @Override
45 public LSInput resolveResource(String type, String namespaceURI, String publicId, String systemId, String baseURI) {
46 LSInput retval = null;
47 for (LSResourceResolver resolver : resolvers) {
48 retval = resolver.resolveResource(type, namespaceURI, publicId, systemId, baseURI);
49 if (retval != null) {
50 break;
51 }
52 }
53 if (systemId != null && systemId.startsWith("http")
54 && (retval == null || retval.getSystemId().startsWith("http"))) {
55 log.debug("Unable to resolve remote resource locally" + " type: " + type + " namespaceURI: " + namespaceURI
56 + " publicId: " + publicId + " systemId: " + systemId);
57 }
58 return retval;
59 }
60 }