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

Introduction

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

Source

package ca.uhn.fhir.rest.method;

/*
 * #%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 static org.apache.commons.lang3.StringUtils.isBlank;

import java.lang.reflect.Method;
import java.util.Collection;
import java.util.List;
import java.util.Map;

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

import ca.uhn.fhir.context.ConfigurationException;
import ca.uhn.fhir.context.FhirContext;
import ca.uhn.fhir.rest.annotation.ConditionalUrlParam;
import ca.uhn.fhir.rest.api.RestOperationTypeEnum;
import ca.uhn.fhir.rest.server.Constants;
import ca.uhn.fhir.rest.server.exceptions.InternalErrorException;
import ca.uhn.fhir.rest.server.exceptions.InvalidRequestException;

class ConditionalParamBinder implements IParameter {

    private RestOperationTypeEnum myOperationType;
    private boolean mySupportsMultiple;

    ConditionalParamBinder(RestOperationTypeEnum theOperationType, boolean theSupportsMultiple) {
        Validate.notNull(theOperationType, "theOperationType can not be null");
        myOperationType = theOperationType;
        mySupportsMultiple = theSupportsMultiple;
    }

    @Override
    public void initializeTypes(Method theMethod, Class<? extends Collection<?>> theOuterCollectionType,
            Class<? extends Collection<?>> theInnerCollectionType, Class<?> theParameterType) {
        if (theOuterCollectionType != null || theInnerCollectionType != null
                || theParameterType.equals(String.class) == false) {
            throw new ConfigurationException("Parameters annotated with @"
                    + ConditionalUrlParam.class.getSimpleName()
                    + " must be of type String, found incorrect parameteter in method \"" + theMethod + "\"");
        }
    }

    public boolean isSupportsMultiple() {
        return mySupportsMultiple;
    }

    @Override
    public void translateClientArgumentIntoQueryArgument(FhirContext theContext, Object theSourceClientArgument,
            Map<String, List<String>> theTargetQueryArguments, IBaseResource theTargetResource)
            throws InternalErrorException {
        throw new UnsupportedOperationException(
                "Can not use @" + getClass().getName() + " annotated parameters in client");
    }

    @Override
    public Object translateQueryParametersIntoServerArgument(RequestDetails theRequest,
            BaseMethodBinding<?> theMethodBinding) throws InternalErrorException, InvalidRequestException {
        return theRequest.getConditionalUrl(myOperationType);
    }

}