ca.uhn.fhir.util.ResourceReferenceInfo.java Source code

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Here is the source code for ca.uhn.fhir.util.ResourceReferenceInfo.java

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package ca.uhn.fhir.util;

/*
 * #%L
 * HAPI FHIR - Core Library
 * %%
 * Copyright (C) 2014 - 2016 University Health Network
 * %%
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *      http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * #L%
 */

import java.util.Iterator;
import java.util.List;
import java.util.Set;

import org.apache.commons.lang3.builder.ToStringBuilder;
import org.apache.commons.lang3.builder.ToStringStyle;
import org.hl7.fhir.instance.model.api.IBaseReference;
import org.hl7.fhir.instance.model.api.IBaseResource;

import ca.uhn.fhir.context.FhirContext;
import ca.uhn.fhir.context.RuntimeResourceDefinition;
import ca.uhn.fhir.context.RuntimeSearchParam;
import ca.uhn.fhir.model.api.Include;

/**
 * Created by Bill de Beaubien on 2/26/2015.
 */
public class ResourceReferenceInfo {
    private String myOwningResource;
    private String myName;
    private IBaseReference myResource;
    private FhirContext myContext;

    public ResourceReferenceInfo(FhirContext theContext, IBaseResource theOwningResource,
            List<String> thePathToElement, IBaseReference theElement) {
        myContext = theContext;
        myOwningResource = theContext.getResourceDefinition(theOwningResource).getName();

        myResource = theElement;
        if (thePathToElement != null && !thePathToElement.isEmpty()) {
            StringBuilder sb = new StringBuilder();
            thePathToElement.iterator();
            for (Iterator<String> iterator = thePathToElement.iterator(); iterator.hasNext();) {
                sb.append(iterator.next());
                if (iterator.hasNext())
                    sb.append(".");
            }
            myName = sb.toString();
        } else {
            myName = null;
        }
    }

    @Override
    public String toString() {
        ToStringBuilder b = new ToStringBuilder(this, ToStringStyle.SHORT_PREFIX_STYLE);
        b.append("name", myName);
        b.append("resource", myResource.getReferenceElement());
        return b.build();
    }

    public String getName() {
        return myName;
    }

    public IBaseReference getResourceReference() {
        return myResource;
    }

    public boolean matchesIncludeSet(Set<Include> theIncludes) {
        if (theIncludes == null)
            return false;
        for (Include include : theIncludes) {
            if (matchesInclude(include))
                return true;
        }
        return false;
    }

    public boolean matchesInclude(Include theInclude) {
        if (theInclude.getValue().equals("*")) {
            return true;
        }
        int colonIndex = theInclude.getValue().indexOf(':');
        if (colonIndex != -1) {
            // DSTU2+ style
            String resourceName = theInclude.getValue().substring(0, colonIndex);
            String paramName = theInclude.getValue().substring(colonIndex + 1);
            RuntimeResourceDefinition resourceDef = myContext.getResourceDefinition(resourceName);
            if (resourceDef != null) {
                RuntimeSearchParam searchParamDef = resourceDef.getSearchParam(paramName);
                if (searchParamDef != null) {
                    if (searchParamDef.getPathsSplit().contains(myOwningResource + "." + myName)) {
                        return true;
                    }
                }
            }
            return false;
        } else {
            // DSTU1 style
            return (theInclude.getValue().equals(myOwningResource + '.' + myName));
        }
    }
}