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.metaschema.schemagen.datatype;
28
29 import gov.nist.secauto.metaschema.core.util.CollectionUtil;
30 import gov.nist.secauto.metaschema.core.util.ObjectUtils;
31
32 import org.codehaus.stax2.XMLStreamWriter2;
33
34 import java.util.ArrayList;
35 import java.util.HashSet;
36 import java.util.LinkedHashMap;
37 import java.util.List;
38 import java.util.Map;
39 import java.util.Set;
40 import java.util.function.Function;
41 import java.util.stream.Collectors;
42
43 import javax.xml.stream.XMLStreamException;
44
45 import edu.umd.cs.findbugs.annotations.NonNull;
46
47 public class CompositeDatatypeProvider implements IDatatypeProvider {
48 @NonNull
49 private final List<IDatatypeProvider> proxiedProviders;
50
51 public CompositeDatatypeProvider(@NonNull List<IDatatypeProvider> proxiedProviders) {
52 this.proxiedProviders = CollectionUtil.unmodifiableList(new ArrayList<>(proxiedProviders));
53 }
54
55 @NonNull
56 protected List<IDatatypeProvider> getProxiedProviders() {
57 return proxiedProviders;
58 }
59
60 @Override
61 public Map<String, IDatatypeContent> getDatatypes() {
62 return ObjectUtils.notNull(proxiedProviders.stream()
63 .flatMap(provider -> provider.getDatatypes().values().stream())
64 .collect(Collectors.toMap(content -> content.getTypeName(), Function.identity(), (e1, e2) -> e2,
65 LinkedHashMap::new)));
66 }
67
68 @Override
69 public Set<String> generateDatatypes(Set<String> requiredTypes, XMLStreamWriter2 writer)
70 throws XMLStreamException {
71 Set<String> retval = new HashSet<>();
72
73 for (IDatatypeProvider provider : getProxiedProviders()) {
74 retval.addAll(provider.generateDatatypes(requiredTypes, writer));
75 }
76 return retval;
77 }
78
79 }