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1   /*
2    * Copyright 2018 the original author or authors.
3    *
4    *  Licensed under the Apache License, Version 2.0 (the "License");
5    *  you may not use this file except in compliance with the License.
6    *  You may obtain a copy of the License at
7    *
8    *         http://www.apache.org/licenses/LICENSE-2.0
9    *
10   *  Unless required by applicable law or agreed to in writing, software
11   *  distributed under the License is distributed on an "AS IS" BASIS,
12   *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13   *  See the License for the specific language governing permissions and
14   *  limitations under the License.
15   */
16  
17  package org.openehealth.ipf.commons.ihe.fhir.support;
18  
19  import org.hl7.fhir.dstu3.model.OperationOutcome;
20  import org.openehealth.ipf.commons.audit.codes.EventOutcomeIndicator;
21  import org.openehealth.ipf.commons.ihe.fhir.audit.AbstractFhirAuditStrategy;
22  import org.openehealth.ipf.commons.ihe.fhir.audit.FhirAuditDataset;
23  
24  import java.util.Comparator;
25  
26  /**
27   * @author Christian Ohr
28   */
29  public abstract class FhirAuditStrategy<T extends FhirAuditDataset> extends AbstractFhirAuditStrategy<T, OperationOutcome> {
30  
31      public FhirAuditStrategy(boolean serverSide) {
32          super(serverSide);
33      }
34  
35      @Override
36      public EventOutcomeIndicator getEventOutcomeCodeFromOperationOutcome(OperationOutcome response) {
37          if (!response.hasIssue()) {
38              return EventOutcomeIndicator.Success;
39          }
40          // Find out the worst issue severity
41          OperationOutcome.IssueSeverity severity = response.getIssue().stream()
42                  .map(OperationOutcome.OperationOutcomeIssueComponent::getSeverity)
43                  .min(Comparator.naturalOrder())
44                  .orElse(OperationOutcome.IssueSeverity.NULL);
45          switch (severity) {
46              case FATAL:
47              case ERROR:
48                  return EventOutcomeIndicator.MajorFailure;
49              case WARNING:
50                  return EventOutcomeIndicator.MinorFailure;
51              default:
52                  return EventOutcomeIndicator.Success;
53          }
54  
55      }
56  
57      @Override
58      public String getEventOutcomeDescriptionFromOperationOutcome(OperationOutcome response) {
59          if (!response.hasIssue()) {
60              return null;
61          }
62          return response.getIssue().get(0).getDiagnostics();
63      }
64  }