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package org.glassfish.jersey.tests.e2e.common;
import java.io.IOException;
import java.io.OutputStream;
import java.lang.annotation.Annotation;
import java.lang.reflect.Type;
import javax.ws.rs.GET;
import javax.ws.rs.Path;
import javax.ws.rs.WebApplicationException;
import javax.ws.rs.core.Application;
import javax.ws.rs.core.HttpHeaders;
import javax.ws.rs.core.MediaType;
import javax.ws.rs.core.MultivaluedMap;
import javax.ws.rs.core.Response;
import javax.ws.rs.ext.MessageBodyWriter;
import javax.ws.rs.ext.Provider;
import org.glassfish.jersey.server.ResourceConfig;
import org.glassfish.jersey.test.JerseyTest;
import org.junit.Test;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
/**
* @author Pavel Bucek (pavel.bucek at oracle.com)
*/
public class ContentLengthTest extends JerseyTest {
public static String STR = "string";
@Override
protected Application configure() {
ResourceConfig rc = new ResourceConfig();
rc.registerClasses(MyTypeResource.class, MyTypeWriter.class, ResourceGetByteNoHead.class);
return rc;
}
public static class MyType {
public String s = STR;
}
@Path("/")
public static class MyTypeResource {
@GET
public MyType getMyType() {
return new MyType();
}
}
@Provider
public static class MyTypeWriter implements MessageBodyWriter<MyType> {
@Override
public boolean isWriteable(Class<?> aClass, Type type, Annotation[] annotations, MediaType mediaType) {
return aClass.equals(MyType.class);
}
@Override
public long getSize(MyType myType, Class<?> aClass, Type type, Annotation[] annotations, MediaType mediaType) {
return myType.s.length();
}
@Override
public void writeTo(MyType myType,
Class<?> aClass,
Type type,
Annotation[] annotations,
MediaType mediaType,
MultivaluedMap<String, Object> stringObjectMultivaluedMap,
OutputStream outputStream) throws IOException, WebApplicationException {
outputStream.write(myType.s.getBytes());
}
}
@Test
public void testGetContentLengthCustomWriter() throws Exception {
Response response = target().request().get(Response.class);
assertEquals(200, response.getStatus());
assertEquals(STR.length(), Integer.parseInt(response.getHeaderString(HttpHeaders.CONTENT_LENGTH)));
assertTrue(response.hasEntity());
}
@Test
public void testHeadContentLengthCustomWriter() throws Exception {
Response response = target().request().head();
assertEquals(200, response.getStatus());
assertEquals(STR.length(), Integer.parseInt(response.getHeaderString(HttpHeaders.CONTENT_LENGTH)));
assertFalse(response.hasEntity());
}
@Path("/byte")
public static class ResourceGetByteNoHead {
@GET
public byte[] get() {
return "GET".getBytes();
}
}
@Test
public void testGetByte() throws Exception {
Response response = target().path("byte").request().get(Response.class);
assertEquals(200, response.getStatus());
assertEquals(3, Integer.parseInt(response.getHeaderString(HttpHeaders.CONTENT_LENGTH)));
assertTrue(response.hasEntity());
}
@Test
public void testHeadByte() throws Exception {
Response response = target().path("byte").request().head();
assertEquals(200, response.getStatus());
assertEquals(3, Integer.parseInt(response.getHeaderString(HttpHeaders.CONTENT_LENGTH)));
assertFalse(response.hasEntity());
}
}