package ca.uhn.fhir.rest.client.interceptor;
/*
* #%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 ca.uhn.fhir.rest.client.IClientInterceptor;
import ca.uhn.fhir.rest.client.api.IHttpRequest;
import ca.uhn.fhir.rest.client.api.IHttpResponse;
import ca.uhn.fhir.rest.server.exceptions.InternalErrorException;
import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import java.io.IOException;
/**
* Client interceptor which simply captures request and response objects and stores them so that they can be inspected after a client
* call has returned
*/
public class CapturingInterceptor implements IClientInterceptor {
private IHttpRequest myLastRequest;
private IHttpResponse myLastResponse;
/**
* Clear the last request and response values
*/
public void clear() {
myLastRequest = null;
myLastResponse = null;
}
public IHttpRequest getLastRequest() {
return myLastRequest;
}
public IHttpResponse getLastResponse() {
return myLastResponse;
}
@Override
public void interceptRequest(IHttpRequest theRequest) {
myLastRequest = theRequest;
}
@Override
public void interceptResponse(IHttpResponse theResponse) {
//Buffer the reponse to avoid errors when content has already been read and the entity is not repeatable
try {
if(theResponse.getResponse() instanceof HttpResponse) {
HttpEntity entity = ((HttpResponse) theResponse.getResponse()).getEntity();
if( entity != null && !entity.isRepeatable()){
theResponse.bufferEntity();
}
} else {
theResponse.bufferEntity();
}
} catch (IOException e) {
throw new InternalErrorException("Unable to buffer the entity for capturing", e);
}
myLastResponse = theResponse;
}
}