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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.FhirContext;
25  import ca.uhn.fhir.context.RuntimeResourceDefinition;
26  import org.apache.commons.lang3.Validate;
27  import org.hl7.fhir.instance.model.api.IBase;
28  import org.hl7.fhir.instance.model.api.IBaseResource;
29  import org.hl7.fhir.instance.model.api.IPrimitiveType;
30  
31  import java.util.ArrayList;
32  import java.util.List;
33  
34  public class SearchParameterUtil {
35  
36  	public static List<String> getBaseAsStrings(FhirContext theContext, IBaseResource theResource) {
37  		Validate.notNull(theContext, "theContext must not be null");
38  		Validate.notNull(theResource, "theResource must not be null");
39  		RuntimeResourceDefinition def = theContext.getResourceDefinition(theResource);
40  
41  		BaseRuntimeChildDefinition base = def.getChildByName("base");
42  		List<IBase> baseValues = base.getAccessor().getValues(theResource);
43  		List<String> retVal = new ArrayList<>();
44  		for (IBase next : baseValues) {
45  			IPrimitiveType<?> nextPrimitive = (IPrimitiveType<?>) next;
46  			retVal.add(nextPrimitive.getValueAsString());
47  		}
48  
49  		return retVal;
50  	}
51  
52  }