ca.uhn.fhir.rest.method.RawParamsParmeter.java Source code

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Here is the source code for ca.uhn.fhir.rest.method.RawParamsParmeter.java

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package ca.uhn.fhir.rest.method;

/*
 * #%L
 * HAPI FHIR - Core Library
 * %%
 * Copyright (C) 2014 - 2017 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.lang.reflect.Method;
import java.util.Arrays;
import java.util.Collection;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

import org.apache.commons.lang3.Validate;
import org.hl7.fhir.instance.model.api.IBaseResource;

import ca.uhn.fhir.context.FhirContext;
import ca.uhn.fhir.rest.annotation.RawParam;
import ca.uhn.fhir.rest.method.SearchMethodBinding.QualifierDetails;
import ca.uhn.fhir.rest.server.exceptions.InternalErrorException;
import ca.uhn.fhir.rest.server.exceptions.InvalidRequestException;

public class RawParamsParmeter implements IParameter {

    private final List<IParameter> myAllMethodParameters;

    public RawParamsParmeter(List<IParameter> theParameters) {
        myAllMethodParameters = theParameters;
    }

    @Override
    public void translateClientArgumentIntoQueryArgument(FhirContext theContext, Object theSourceClientArgument,
            Map<String, List<String>> theTargetQueryArguments, IBaseResource theTargetResource)
            throws InternalErrorException {
        // not supported on client for now
    }

    @Override
    public Object translateQueryParametersIntoServerArgument(RequestDetails theRequest,
            BaseMethodBinding<?> theMethodBinding) throws InternalErrorException, InvalidRequestException {
        HashMap<String, List<String>> retVal = null;

        for (String nextName : theRequest.getParameters().keySet()) {
            if (nextName.startsWith("_")) {
                continue;
            }

            QualifierDetails qualifiers = SearchMethodBinding.extractQualifiersFromParameterName(nextName);

            boolean alreadyCaptured = false;
            for (IParameter nextParameter : myAllMethodParameters) {
                if (nextParameter instanceof SearchParameter) {
                    SearchParameter nextSearchParam = (SearchParameter) nextParameter;
                    if (nextSearchParam.getName().equals(qualifiers.getParamName())) {
                        if (qualifiers.passes(nextSearchParam.getQualifierWhitelist(),
                                nextSearchParam.getQualifierBlacklist())) {
                            alreadyCaptured = true;
                            break;
                        }
                    }
                }
            }

            if (!alreadyCaptured) {
                if (retVal == null) {
                    retVal = new HashMap<String, List<String>>();
                }
                retVal.put(nextName, Arrays.asList(theRequest.getParameters().get(nextName)));
            }

        }

        return retVal;
    }

    @Override
    public void initializeTypes(Method theMethod, Class<? extends Collection<?>> theOuterCollectionType,
            Class<? extends Collection<?>> theInnerCollectionType, Class<?> theParameterType) {
        Validate.isTrue(theParameterType.equals(Map.class),
                "Parameter with @" + RawParam.class + " must be of type Map<String, List<String>>");
    }

}