CompositeDatatypeProvider.java
/*
* Portions of this software was developed by employees of the National Institute
* of Standards and Technology (NIST), an agency of the Federal Government and is
* being made available as a public service. Pursuant to title 17 United States
* Code Section 105, works of NIST employees are not subject to copyright
* protection in the United States. This software may be subject to foreign
* copyright. Permission in the United States and in foreign countries, to the
* extent that NIST may hold copyright, to use, copy, modify, create derivative
* works, and distribute this software and its documentation without fee is hereby
* granted on a non-exclusive basis, provided that this notice and disclaimer
* of warranty appears in all copies.
*
* THE SOFTWARE IS PROVIDED 'AS IS' WITHOUT ANY WARRANTY OF ANY KIND, EITHER
* EXPRESSED, IMPLIED, OR STATUTORY, INCLUDING, BUT NOT LIMITED TO, ANY WARRANTY
* THAT THE SOFTWARE WILL CONFORM TO SPECIFICATIONS, ANY IMPLIED WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, AND FREEDOM FROM
* INFRINGEMENT, AND ANY WARRANTY THAT THE DOCUMENTATION WILL CONFORM TO THE
* SOFTWARE, OR ANY WARRANTY THAT THE SOFTWARE WILL BE ERROR FREE. IN NO EVENT
* SHALL NIST BE LIABLE FOR ANY DAMAGES, INCLUDING, BUT NOT LIMITED TO, DIRECT,
* INDIRECT, SPECIAL OR CONSEQUENTIAL DAMAGES, ARISING OUT OF, RESULTING FROM,
* OR IN ANY WAY CONNECTED WITH THIS SOFTWARE, WHETHER OR NOT BASED UPON WARRANTY,
* CONTRACT, TORT, OR OTHERWISE, WHETHER OR NOT INJURY WAS SUSTAINED BY PERSONS OR
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* OF THE RESULTS OF, OR USE OF, THE SOFTWARE OR SERVICES PROVIDED HEREUNDER.
*/
package gov.nist.secauto.metaschema.schemagen.datatype;
import gov.nist.secauto.metaschema.core.util.CollectionUtil;
import gov.nist.secauto.metaschema.core.util.ObjectUtils;
import org.codehaus.stax2.XMLStreamWriter2;
import java.util.ArrayList;
import java.util.HashSet;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.function.Function;
import java.util.stream.Collectors;
import javax.xml.stream.XMLStreamException;
import edu.umd.cs.findbugs.annotations.NonNull;
public class CompositeDatatypeProvider implements IDatatypeProvider {
@NonNull
private final List<IDatatypeProvider> proxiedProviders;
public CompositeDatatypeProvider(@NonNull List<IDatatypeProvider> proxiedProviders) {
this.proxiedProviders = CollectionUtil.unmodifiableList(new ArrayList<>(proxiedProviders));
}
@NonNull
protected List<IDatatypeProvider> getProxiedProviders() {
return proxiedProviders;
}
@Override
public Map<String, IDatatypeContent> getDatatypes() {
return ObjectUtils.notNull(proxiedProviders.stream()
.flatMap(provider -> provider.getDatatypes().values().stream())
.collect(Collectors.toMap(content -> content.getTypeName(), Function.identity(), (e1, e2) -> e2,
LinkedHashMap::new)));
}
@Override
public Set<String> generateDatatypes(Set<String> requiredTypes, XMLStreamWriter2 writer)
throws XMLStreamException {
Set<String> retval = new HashSet<>();
for (IDatatypeProvider provider : getProxiedProviders()) {
retval.addAll(provider.generateDatatypes(requiredTypes, writer));
}
return retval;
}
}