001/* 002 * Portions of this software was developed by employees of the National Institute 003 * of Standards and Technology (NIST), an agency of the Federal Government and is 004 * being made available as a public service. Pursuant to title 17 United States 005 * Code Section 105, works of NIST employees are not subject to copyright 006 * protection in the United States. This software may be subject to foreign 007 * copyright. Permission in the United States and in foreign countries, to the 008 * extent that NIST may hold copyright, to use, copy, modify, create derivative 009 * works, and distribute this software and its documentation without fee is hereby 010 * granted on a non-exclusive basis, provided that this notice and disclaimer 011 * of warranty appears in all copies. 012 * 013 * THE SOFTWARE IS PROVIDED 'AS IS' WITHOUT ANY WARRANTY OF ANY KIND, EITHER 014 * EXPRESSED, IMPLIED, OR STATUTORY, INCLUDING, BUT NOT LIMITED TO, ANY WARRANTY 015 * THAT THE SOFTWARE WILL CONFORM TO SPECIFICATIONS, ANY IMPLIED WARRANTIES OF 016 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, AND FREEDOM FROM 017 * INFRINGEMENT, AND ANY WARRANTY THAT THE DOCUMENTATION WILL CONFORM TO THE 018 * SOFTWARE, OR ANY WARRANTY THAT THE SOFTWARE WILL BE ERROR FREE. IN NO EVENT 019 * SHALL NIST BE LIABLE FOR ANY DAMAGES, INCLUDING, BUT NOT LIMITED TO, DIRECT, 020 * INDIRECT, SPECIAL OR CONSEQUENTIAL DAMAGES, ARISING OUT OF, RESULTING FROM, 021 * OR IN ANY WAY CONNECTED WITH THIS SOFTWARE, WHETHER OR NOT BASED UPON WARRANTY, 022 * CONTRACT, TORT, OR OTHERWISE, WHETHER OR NOT INJURY WAS SUSTAINED BY PERSONS OR 023 * PROPERTY OR OTHERWISE, AND WHETHER OR NOT LOSS WAS SUSTAINED FROM, OR AROSE OUT 024 * OF THE RESULTS OF, OR USE OF, THE SOFTWARE OR SERVICES PROVIDED HEREUNDER. 025 */ 026 027package gov.nist.secauto.metaschema.core.model.validation; 028 029import gov.nist.secauto.metaschema.core.model.constraint.IConstraint.Level; 030import gov.nist.secauto.metaschema.core.util.CollectionUtil; 031import gov.nist.secauto.metaschema.core.util.ObjectUtils; 032 033import java.util.LinkedList; 034import java.util.List; 035import java.util.concurrent.atomic.AtomicReference; 036import java.util.stream.Stream; 037 038import edu.umd.cs.findbugs.annotations.NonNull; 039 040public final class AggregateValidationResult implements IValidationResult { 041 @NonNull 042 private final List<IValidationFinding> findings; 043 @NonNull 044 private final Level highestSeverity; 045 046 private AggregateValidationResult(@NonNull List<IValidationFinding> findings, @NonNull Level highestSeverity) { 047 this.findings = CollectionUtil.unmodifiableList(findings); 048 this.highestSeverity = highestSeverity; 049 } 050 051 public static IValidationResult aggregate(@NonNull IValidationResult result) { 052 return result; 053 } 054 055 public static IValidationResult aggregate(@NonNull IValidationResult... results) { 056 Stream<? extends IValidationFinding> stream = Stream.empty(); 057 for (IValidationResult result : results) { 058 stream = Stream.concat(stream, result.getFindings().stream()); 059 } 060 assert stream != null; 061 return aggregate(stream); 062 } 063 064 public static IValidationResult aggregate(@NonNull Stream<? extends IValidationFinding> findingStream) { 065 AtomicReference<Level> highestSeverity = new AtomicReference<>(Level.INFORMATIONAL); 066 067 List<IValidationFinding> findings = new LinkedList<>(); 068 findingStream.sequential().forEachOrdered(finding -> { 069 findings.add(finding); 070 Level severity = finding.getSeverity(); 071 if (highestSeverity.get().ordinal() < severity.ordinal()) { 072 highestSeverity.set(severity); 073 } 074 }); 075 076 return new AggregateValidationResult(findings, ObjectUtils.notNull(highestSeverity.get())); 077 } 078 079 @Override 080 public Level getHighestSeverity() { 081 return highestSeverity; 082 } 083 084 @Override 085 public List<? extends IValidationFinding> getFindings() { 086 return findings; 087 } 088 089}