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package org.glassfish.jersey.tests.e2e.server;
import java.io.IOException;
import javax.ws.rs.GET;
import javax.ws.rs.POST;
import javax.ws.rs.Path;
import javax.ws.rs.WebApplicationException;
import javax.ws.rs.client.Entity;
import javax.ws.rs.core.Application;
import javax.ws.rs.core.Context;
import javax.ws.rs.core.HttpHeaders;
import javax.ws.rs.ext.Provider;
import javax.ws.rs.ext.ReaderInterceptor;
import javax.ws.rs.ext.ReaderInterceptorContext;
import javax.ws.rs.ext.WriterInterceptor;
import javax.ws.rs.ext.WriterInterceptorContext;
import org.glassfish.jersey.server.ResourceConfig;
import org.glassfish.jersey.test.JerseyTest;
import org.junit.Test;
import static org.hamcrest.CoreMatchers.containsString;
import static org.junit.Assert.assertThat;
/**
* Test for JERSEY-1545.
*
* @author Jakub Podlesak (jakub.podlesak at oracle.com)
*/
public class InterceptorHttpHeadersInjectionTest extends JerseyTest {
static final String WriterHEADER = "custom-writer-header";
static final String ReaderHEADER = "custom-reader-header";
static final String RawCONTENT = "SIMPLE";
@Provider
public static class InjectedWriterInterceptor implements WriterInterceptor {
@Context
HttpHeaders headers;
// Replace content with WriterHEADER header value if corresponding header is seen.
@Override
public void aroundWriteTo(WriterInterceptorContext context) throws IOException, WebApplicationException {
final String writerHeaderValue = headers.getHeaderString(WriterHEADER);
if (writerHeaderValue != null) {
context.getOutputStream().write(writerHeaderValue.getBytes());
}
context.proceed();
}
}
@Provider
public static class InjectedReaderInterceptor implements ReaderInterceptor {
@Context
HttpHeaders headers;
// Replace content with ReaderHEADER header value if corresponding header is seen.
@Override
public Object aroundReadFrom(ReaderInterceptorContext context) throws IOException, WebApplicationException {
final String readerHeaderValue = headers.getHeaderString(ReaderHEADER);
if (readerHeaderValue != null) {
return readerHeaderValue;
}
return context.proceed();
}
}
@Path("/")
public static class SimpleResource {
@GET
public String getIt() {
return RawCONTENT;
}
@POST
public String echo(String message) {
return message;
}
}
@Override
protected Application configure() {
return new ResourceConfig(SimpleResource.class, InjectedWriterInterceptor.class, InjectedReaderInterceptor.class);
}
// No interceptor should tweak the content if there is not header present.
private void _checkRawGet() {
final String result = target().request().get(String.class);
assertThat(result, containsString(RawCONTENT));
}
@Test
public void testWriter() throws Exception {
_checkRawGet();
_checkWriterInterceptor("writer-one");
_checkWriterInterceptor("writer-two");
}
// set WriterHEADER header and check the same value is returned back
private void _checkWriterInterceptor(final String headerValue) {
final String result = target().request().header(WriterHEADER, headerValue).get(String.class);
assertThat(result, containsString(headerValue));
}
@Test
public void testReader() throws Exception {
_checkRawEcho();
_checkReaderInterceptor("reader-one");
_checkReaderInterceptor("reader-two");
}
// No interceptor should tweak the content if there is not header present.
private void _checkRawEcho() {
final String rawResult = target().request().post(Entity.text(RawCONTENT), String.class);
assertThat(rawResult, containsString(RawCONTENT));
}
// set ReaderHEADER header and check the same value is returned back
private void _checkReaderInterceptor(String headerValue) {
final String result = target().request().header(ReaderHEADER, headerValue).post(Entity.text(RawCONTENT), String.class);
assertThat(result, containsString(headerValue));
}
}