Added initial lenient handling

hapi-fhir-base-example-embedded-ws/pom.xml

@@ -47,7 +47,16 @@
 			<artifactId>hapi-fhir-structures-dstu2</artifactId>
 			<version>2.1-SNAPSHOT</version>
 		</dependency>
-
+		<dependency>
+			<groupId>org.slf4j</groupId>
+			<artifactId>slf4j-simple</artifactId>
+			<version>1.7.21</version>
+		</dependency>
+		<dependency>
+			<groupId>org.slf4j</groupId>
+			<artifactId>jul-to-slf4j</artifactId>
+			<version>1.7.21</version>
+		</dependency>
 	</dependencies>
 
 	<build>

hapi-fhir-base-example-embedded-ws/src/main/java/embedded/ServerStartup.java

@@ -7,6 +7,7 @@ import javax.servlet.DispatcherType;
 import org.eclipse.jetty.server.Server;
 import org.eclipse.jetty.servlet.DefaultServlet;
 import org.eclipse.jetty.servlet.ServletContextHandler;
+import org.slf4j.bridge.SLF4JBridgeHandler;
 
 import com.google.inject.servlet.GuiceFilter;
 
@@ -14,6 +15,9 @@ public class ServerStartup {
 
 	public static void main(final String[] args) throws Exception {
 
+		SLF4JBridgeHandler.removeHandlersForRootLogger();
+		SLF4JBridgeHandler.install();
+		
 		final Server server = new Server(9090);
 		final ServletContextHandler sch = new ServletContextHandler(server, "/");
 		sch.addEventListener(new ContextListener());

hapi-fhir-base-example-embedded-ws/src/main/java/embedded/SomeResourceProvider.java

@@ -4,6 +4,8 @@ import java.util.List;
 
 import org.hl7.fhir.instance.model.api.IBaseResource;
 
+import com.google.common.collect.Lists;
+
 import ca.uhn.fhir.model.dstu2.resource.Practitioner;
 import ca.uhn.fhir.model.primitive.StringDt;
 import ca.uhn.fhir.rest.annotation.RequiredParam;
@@ -21,8 +23,9 @@ public class SomeResourceProvider implements IResourceProvider {
 	@Search()
 	public List<Practitioner> findPractitionersByName(
 			@RequiredParam(name = Practitioner.SP_NAME) final StringDt theName) {
-		throw new UnprocessableEntityException(
-				"Please provide more than 4 characters for the name");
+//		throw new UnprocessableEntityException(
+//				"Please provide more than 4 characters for the name");
+		return Lists.newArrayList();
 	}
 
 }

hapi-fhir-base/src/main/java/ca/uhn/fhir/rest/method/SearchMethodBinding.java

@@ -37,7 +37,6 @@ import org.hl7.fhir.instance.model.api.IBaseResource;
 
 import ca.uhn.fhir.context.ConfigurationException;
 import ca.uhn.fhir.context.FhirContext;
-import ca.uhn.fhir.context.FhirVersionEnum;
 import ca.uhn.fhir.model.api.annotation.Description;
 import ca.uhn.fhir.model.primitive.IdDt;
 import ca.uhn.fhir.model.valueset.BundleTypeEnum;
@@ -140,6 +139,21 @@ public class SearchMethodBinding extends BaseResourceReturningMethodBinding {
 
 	@Override
 	public boolean incomingServerRequestMatchesMethod(RequestDetails theRequest) {
+		
+		String clientPreference = theRequest.getHeader(Constants.HEADER_PREFER);
+		boolean lenientHandling = false;
+		if(clientPreference != null)
+		{
+			String[] preferences = clientPreference.split(";");
+			for( String p : preferences){
+				if("handling:lenient".equalsIgnoreCase(p))
+				{
+					lenientHandling = true;
+					break;
+				}
+			}
+		}
+		
 		if (theRequest.getId() != null && myIdParamIndex == null) {
 			ourLog.trace("Method {} doesn't match because ID is not null: {}", theRequest.getId());
 			return false;
@@ -235,6 +249,9 @@ public class SearchMethodBinding extends BaseResourceReturningMethodBinding {
 			}
 		}
 		Set<String> keySet = theRequest.getParameters().keySet();
+		if(lenientHandling == true)
+			return true;
+
 		if (myAllowUnknownParams == false) {
 			for (String next : keySet) {
 				if (!methodParamsTemp.contains(next)) {
@@ -271,7 +288,7 @@ public class SearchMethodBinding extends BaseResourceReturningMethodBinding {
 	}
 
 	@Override
-	public IBundleProvider invokeServer(IRestfulServer theServer, RequestDetails theRequest, Object[] theMethodParams) throws InvalidRequestException, InternalErrorException {
+	public IBundleProvider invokeServer(IRestfulServer<?> theServer, RequestDetails theRequest, Object[] theMethodParams) throws InvalidRequestException, InternalErrorException {
 		if (myIdParamIndex != null) {
 			theMethodParams[myIdParamIndex] = theRequest.getId();
 		}

hapi-fhir-base/src/main/java/ca/uhn/fhir/rest/server/RestfulServerUtils.java

@@ -61,7 +61,6 @@ import ca.uhn.fhir.model.valueset.BundleTypeEnum;
 import ca.uhn.fhir.parser.IParser;
 import ca.uhn.fhir.rest.api.PreferReturnEnum;
 import ca.uhn.fhir.rest.api.SummaryEnum;
-import ca.uhn.fhir.rest.client.apache.ApacheHttpRequest;
 import ca.uhn.fhir.rest.client.api.IHttpRequest;
 import ca.uhn.fhir.rest.method.ElementsParameter;
 import ca.uhn.fhir.rest.method.RequestDetails;
@@ -378,7 +377,7 @@ public class RestfulServerUtils {
 						break;
 					}
 				} catch (IllegalArgumentException e) {
-					ourLog.debug("Invalid {} parameger: {}", Constants.PARAM_NARRATIVE, narrative[0]);
+					ourLog.debug("Invalid {} parameter: {}", Constants.PARAM_NARRATIVE, narrative[0]);
 				}
 			}
 		}