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1   package ca.uhn.fhir.util;
2   
3   /*-
4    * #%L
5    * HAPI FHIR - Core Library
6    * %%
7    * Copyright (C) 2014 - 2018 University Health Network
8    * %%
9    * Licensed under the Apache License, Version 2.0 (the "License");
10   * you may not use this file except in compliance with the License.
11   * You may obtain a copy of the License at
12   * 
13   *      http://www.apache.org/licenses/LICENSE-2.0
14   * 
15   * Unless required by applicable law or agreed to in writing, software
16   * distributed under the License is distributed on an "AS IS" BASIS,
17   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
18   * See the License for the specific language governing permissions and
19   * limitations under the License.
20   * #L%
21   */
22  
23  import ca.uhn.fhir.context.BaseRuntimeChildDefinition;
24  import ca.uhn.fhir.context.BaseRuntimeElementDefinition;
25  import ca.uhn.fhir.context.FhirContext;
26  import ca.uhn.fhir.context.RuntimeResourceDefinition;
27  import org.hl7.fhir.instance.model.api.IBase;
28  import org.hl7.fhir.instance.model.api.IBaseBinary;
29  import org.hl7.fhir.instance.model.api.IBaseReference;
30  
31  import java.util.List;
32  
33  public class BinaryUtil {
34  
35  	private BinaryUtil() {
36  		// non instantiable
37  	}
38  
39  	public static IBaseReference getSecurityContext(FhirContext theCtx, IBaseBinary theBinary) {
40  		RuntimeResourceDefinition def = theCtx.getResourceDefinition("Binary");
41  		BaseRuntimeChildDefinition child = def.getChildByName("securityContext");
42  		IBaseReference retVal = null;
43  		if (child != null) {
44  			List<IBase> values = child.getAccessor().getValues(theBinary);
45  			if (values.size() > 0) {
46  				retVal = (IBaseReference) values.get(0);
47  			}
48  		}
49  		return retVal;
50  	}
51  
52  	public static IBaseBinary newBinary(FhirContext theCtx) {
53  		return (IBaseBinary) theCtx.getResourceDefinition("Binary").newInstance();
54  	}
55  
56  	public static void setSecurityContext(FhirContext theCtx, IBaseBinary theBinary, String theSecurityContext) {
57  		RuntimeResourceDefinition def = theCtx.getResourceDefinition("Binary");
58  		BaseRuntimeChildDefinition child = def.getChildByName("securityContext");
59  
60  		BaseRuntimeElementDefinition<?> referenceDef = theCtx.getElementDefinition("reference");
61  		IBaseReference reference = (IBaseReference) referenceDef.newInstance();
62  		child.getMutator().addValue(theBinary, reference);
63  
64  		reference.setReference(theSecurityContext);
65  	}
66  
67  }