package ca.uhn.fhir.rest.method;
import java.lang.reflect.Method;
import java.util.Collections;
import java.util.Set;
import ca.uhn.fhir.context.ConfigurationException;
import ca.uhn.fhir.context.FhirContext;
import ca.uhn.fhir.context.RuntimeResourceDefinition;
import ca.uhn.fhir.model.api.IResource;
import ca.uhn.fhir.model.dstu.valueset.RestfulOperationSystemEnum;
import ca.uhn.fhir.model.dstu.valueset.RestfulOperationTypeEnum;
import ca.uhn.fhir.model.primitive.IdDt;
import ca.uhn.fhir.rest.annotation.Delete;
import ca.uhn.fhir.rest.annotation.IdParam;
import ca.uhn.fhir.rest.annotation.VersionIdParam;
import ca.uhn.fhir.rest.client.BaseClientInvocation;
import ca.uhn.fhir.rest.client.DeleteClientInvocation;
import ca.uhn.fhir.rest.client.PostClientInvocation;
import ca.uhn.fhir.rest.method.SearchMethodBinding.RequestType;
import ca.uhn.fhir.rest.server.IResourceProvider;
import ca.uhn.fhir.rest.server.exceptions.InternalErrorException;
import ca.uhn.fhir.rest.server.exceptions.InvalidRequestException;
public class DeleteMethodBinding extends BaseOutcomeReturningMethodBinding {
private String myResourceName;
private Integer myIdParameterIndex;
public DeleteMethodBinding(Method theMethod, FhirContext theContext, Object theProvider) {
super(theMethod, theContext, Delete.class,
theProvider);
Delete deleteAnnotation = theMethod.getAnnotation(Delete.class);
Class<? extends IResource> resourceType = deleteAnnotation.type();
if (resourceType != IResource.class) {
RuntimeResourceDefinition def = theContext.getResourceDefinition(resourceType);
myResourceName = def.getName();
} else {
if (theProvider != null && theProvider instanceof IResourceProvider) {
RuntimeResourceDefinition def = theContext.getResourceDefinition(((IResourceProvider) theProvider).getResourceType());
myResourceName = def.getName();
} else {
throw new ConfigurationException("Can not determine resource type for method '" + theMethod.getName() + "' on type " + theMethod.getDeclaringClass().getCanonicalName() + " - Did you forget to include the resourceType() value on the @"
+ Delete.class.getSimpleName() + " method annotation?");
}
}
myIdParameterIndex = Util.findIdParameterIndex(theMethod);
if (myIdParameterIndex == null) {
throw new ConfigurationException("Method '" + theMethod.getName() + "' on type '" + theMethod.getDeclaringClass().getCanonicalName() + "' has no parameter annotated with the @" + IdParam.class.getSimpleName() + " annotation");
}
Integer versionIdParameterIndex = Util.findVersionIdParameterIndex(theMethod);
if (versionIdParameterIndex != null) {
throw new ConfigurationException("Method '" + theMethod.getName() + "' on type '" + theMethod.getDeclaringClass().getCanonicalName() + "' has a parameter annotated with the @" + VersionIdParam.class.getSimpleName()
+ " annotation but delete methods may not have this annotation");
}
}
@Override
protected boolean allowVoidReturnType() {
return true;
}
@Override
public RestfulOperationTypeEnum getResourceOperationType() {
return RestfulOperationTypeEnum.DELETE;
}
@Override
public RestfulOperationSystemEnum getSystemOperationType() {
return null;
}
@Override
protected Set<RequestType> provideAllowableRequestTypes() {
return Collections.singleton(RequestType.DELETE);
}
@Override
protected BaseClientInvocation createClientInvocation(Object[] theArgs, IResource resource, String resourceName) {
StringBuilder urlExtension = new StringBuilder();
urlExtension.append(resourceName);
return new PostClientInvocation(getContext(), resource, urlExtension.toString());
}
@Override
public String getResourceName() {
return myResourceName;
}
// @Override
// public boolean matches(Request theRequest) {
// // TODO Auto-generated method stub
// return super.matches(theRequest);
// }
@Override
public BaseClientInvocation invokeClient(Object[] theArgs) throws InternalErrorException {
IdDt idDt = (IdDt) theArgs[myIdParameterIndex];
if (idDt == null) {
throw new NullPointerException("ID can not be null");
}
String id = idDt.getValue();
DeleteClientInvocation retVal = new DeleteClientInvocation(getResourceName(), id);
return retVal;
}
@Override
protected void addParametersForServerRequest(Request theRequest, Object[] theParams) {
String url = theRequest.getCompleteUrl();
int resNameIdx = url.indexOf(getResourceName());
String id = url.substring(resNameIdx+getResourceName().length() + 1);
if (id.contains("/")) {
throw new InvalidRequestException("Invalid request path for a DELETE operation: "+theRequest.getCompleteUrl());
}
theParams[myIdParameterIndex] = new IdDt(id);
}
}