package ca.uhn.fhir.rest.server;
import static org.junit.Assert.*;
import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.net.URL;
import java.net.URLConnection;
import java.util.concurrent.TimeUnit;
import java.util.zip.GZIPInputStream;
import org.apache.commons.io.IOUtils;
import org.apache.http.HttpResponse;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.HttpClientBuilder;
import org.apache.http.impl.conn.PoolingHttpClientConnectionManager;
import org.eclipse.jetty.server.Server;
import org.eclipse.jetty.servlet.ServletHandler;
import org.eclipse.jetty.servlet.ServletHolder;
import org.junit.AfterClass;
import org.junit.BeforeClass;
import org.junit.Test;
import ca.uhn.fhir.context.FhirContext;
import ca.uhn.fhir.model.api.IResource;
import ca.uhn.fhir.model.dstu.composite.IdentifierDt;
import ca.uhn.fhir.model.dstu.resource.Patient;
import ca.uhn.fhir.model.primitive.IdDt;
import ca.uhn.fhir.parser.DataFormatException;
import ca.uhn.fhir.rest.annotation.IdParam;
import ca.uhn.fhir.rest.annotation.Read;
import ca.uhn.fhir.util.PortUtil;
import ca.uhn.fhir.util.TestUtil;
/**
* Created by dsotnikov on 2/25/2014.
*/
public class CompressionTest {
private static CloseableHttpClient ourClient;
private static FhirContext ourCtx = FhirContext.forDstu1();
private static final org.slf4j.Logger ourLog = org.slf4j.LoggerFactory.getLogger(CompressionTest.class);
private static int ourPort;
private static Server ourServer;
@Test
public void testRead() throws Exception {
{
/*
HttpGet httpGet = new HttpGet("http://localhost:" + ourPort + "/Patient/1");
httpGet.addHeader(Constants.HEADER_ACCEPT_ENCODING, "gzip");
HttpResponse status = ourClient.execute(httpGet);
Header ce = status.getFirstHeader(Constants.HEADER_CONTENT_ENCODING);
*/
URLConnection c = new URL("http://localhost:" + ourPort + "/Patient/1").openConnection();
c.addRequestProperty(Constants.HEADER_ACCEPT_ENCODING, "gzip");
String enc = c.getContentEncoding();
assertEquals("gzip", enc);
byte[] responseContentBytes = IOUtils.toByteArray(c.getInputStream());
String responseContent = decompress(responseContentBytes);
IdentifierDt dt = ourCtx.newXmlParser().parseResource(Patient.class,responseContent).getIdentifierFirstRep();
assertEquals("1", dt.getSystem().getValueAsString());
assertEquals(null, dt.getValue().getValueAsString());
}
}
@Test
public void testVRead() throws Exception {
{
HttpGet httpGet = new HttpGet("http://localhost:" + ourPort + "/Patient/1/_history/2");
HttpResponse status = ourClient.execute(httpGet);
String responseContent = IOUtils.toString(status.getEntity().getContent()); IOUtils.closeQuietly(status.getEntity().getContent());
assertEquals(200, status.getStatusLine().getStatusCode());
IdentifierDt dt = ourCtx.newXmlParser().parseResource(Patient.class,responseContent).getIdentifierFirstRep();
assertEquals("1", dt.getSystem().getValueAsString());
assertEquals("2", dt.getValue().getValueAsString());
}
}
@AfterClass
public static void afterClassClearContext() throws Exception {
ourServer.stop();
TestUtil.clearAllStaticFieldsForUnitTest();
}
@BeforeClass
public static void beforeClass() throws Exception {
ourPort = PortUtil.findFreePort();
ourServer = new Server(ourPort);
DummyProvider patientProvider = new DummyProvider();
ServletHandler proxyHandler = new ServletHandler();
RestfulServer servlet = new RestfulServer(ourCtx);
servlet.setResourceProviders(patientProvider);
ServletHolder servletHolder = new ServletHolder(servlet);
proxyHandler.addServletWithMapping(servletHolder, "/*");
// GzipHandler gh = new GzipHandler();
// gh.setHandler(proxyHandler);
// gh.setMimeTypes(Constants.CT_ATOM_XML+','+Constants.CT_FHIR_JSON+','+Constants.CT_FHIR_XML);
ourServer.setHandler(proxyHandler);
ourServer.start();
PoolingHttpClientConnectionManager connectionManager = new PoolingHttpClientConnectionManager(5000, TimeUnit.MILLISECONDS);
HttpClientBuilder builder = HttpClientBuilder.create();
builder.setConnectionManager(connectionManager);
ourClient = builder.build();
}
public static String decompress(byte[] theResource) {
GZIPInputStream is;
try {
is = new GZIPInputStream(new ByteArrayInputStream(theResource));
return IOUtils.toString(is, "UTF-8");
} catch (IOException e) {
throw new DataFormatException("Failed to decompress contents", e);
}
}
/**
* Created by dsotnikov on 2/25/2014.
*/
public static class DummyProvider implements IResourceProvider {
@Read(version = true)
public Patient findPatient(@IdParam IdDt theId) {
Patient patient = new Patient();
patient.addIdentifier(theId.getIdPart(), theId.getVersionIdPart());
patient.setId("Patient/1/_history/1");
return patient;
}
@Override
public Class<? extends IResource> getResourceType() {
return Patient.class;
}
}
}