@Override
    public void commit() {
      final ContainerResponse current = response;
      if (current != null) {
        if (HttpMethod.HEAD.equals(requestMethodName) && current.hasEntity()) {
          // for testing purposes:
          // need to also strip the object entity as it was stripped when writing to output
          current.setEntity(null);
        }

        super.set(current);
      }
    }
Beispiel #2
0
  private void serializeMessage(
      ServerProviderFactory providerFactory,
      Message message,
      Response theResponse,
      OperationResourceInfo ori,
      boolean firstTry) {

    ResponseImpl response = (ResponseImpl) JAXRSUtils.copyResponseIfNeeded(theResponse);

    final Exchange exchange = message.getExchange();

    boolean headResponse =
        response.getStatus() == 200
            && firstTry
            && ori != null
            && HttpMethod.HEAD.equals(ori.getHttpMethod());
    Object entity = response.getActualEntity();
    if (headResponse && entity != null) {
      LOG.info(new org.apache.cxf.common.i18n.Message("HEAD_WITHOUT_ENTITY", BUNDLE).toString());
      entity = null;
    }

    Method invoked =
        ori == null
            ? null
            : ori.getAnnotatedMethod() != null ? ori.getAnnotatedMethod() : ori.getMethodToInvoke();

    Annotation[] annotations = null;
    Annotation[] staticAnns = ori != null ? ori.getOutAnnotations() : new Annotation[] {};
    Annotation[] responseAnns = response.getEntityAnnotations();
    if (responseAnns != null) {
      annotations = new Annotation[staticAnns.length + responseAnns.length];
      System.arraycopy(staticAnns, 0, annotations, 0, staticAnns.length);
      System.arraycopy(responseAnns, 0, annotations, staticAnns.length, responseAnns.length);
    } else {
      annotations = staticAnns;
    }

    response.setStatus(getActualStatus(response.getStatus(), entity));
    response.setEntity(entity, annotations);

    // Prepare the headers
    MultivaluedMap<String, Object> responseHeaders =
        prepareResponseHeaders(message, response, entity, firstTry);

    // Run the filters
    try {
      JAXRSUtils.runContainerResponseFilters(providerFactory, response, message, ori, invoked);
    } catch (Throwable ex) {
      handleWriteException(providerFactory, message, ex, firstTry);
      return;
    }

    // Write the entity
    entity = InjectionUtils.getEntity(response.getActualEntity());
    setResponseStatus(message, getActualStatus(response.getStatus(), entity));
    if (entity == null) {
      if (!headResponse) {
        responseHeaders.putSingle(HttpHeaders.CONTENT_LENGTH, "0");
        if (MessageUtils.getContextualBoolean(
            message, "remove.content.type.for.empty.response", false)) {
          responseHeaders.remove(HttpHeaders.CONTENT_TYPE);
          message.remove(Message.CONTENT_TYPE);
        }
      }
      HttpUtils.convertHeaderValuesToString(responseHeaders, true);
      return;
    }

    Object ignoreWritersProp = exchange.get(JAXRSUtils.IGNORE_MESSAGE_WRITERS);
    boolean ignoreWriters =
        ignoreWritersProp == null ? false : Boolean.valueOf(ignoreWritersProp.toString());
    if (ignoreWriters) {
      writeResponseToStream(message.getContent(OutputStream.class), entity);
      return;
    }

    MediaType responseMediaType =
        getResponseMediaType(responseHeaders.getFirst(HttpHeaders.CONTENT_TYPE));

    Class<?> serviceCls = invoked != null ? ori.getClassResourceInfo().getServiceClass() : null;
    Class<?> targetType = InjectionUtils.getRawResponseClass(entity);
    Type genericType =
        InjectionUtils.getGenericResponseType(
            invoked, serviceCls, response.getActualEntity(), targetType, exchange);
    targetType = InjectionUtils.updateParamClassToTypeIfNeeded(targetType, genericType);
    annotations = response.getEntityAnnotations();

    List<WriterInterceptor> writers =
        providerFactory.createMessageBodyWriterInterceptor(
            targetType,
            genericType,
            annotations,
            responseMediaType,
            message,
            ori == null ? null : ori.getNameBindings());

    OutputStream outOriginal = message.getContent(OutputStream.class);
    if (writers == null || writers.isEmpty()) {
      writeResponseErrorMessage(
          message, outOriginal, "NO_MSG_WRITER", targetType, responseMediaType);
      return;
    }
    try {
      boolean checkWriters = false;
      if (responseMediaType.isWildcardSubtype()) {
        Produces pM =
            AnnotationUtils.getMethodAnnotation(
                ori == null ? null : ori.getAnnotatedMethod(), Produces.class);
        Produces pC = AnnotationUtils.getClassAnnotation(serviceCls, Produces.class);
        checkWriters = pM == null && pC == null;
      }
      responseMediaType = checkFinalContentType(responseMediaType, writers, checkWriters);
    } catch (Throwable ex) {
      handleWriteException(providerFactory, message, ex, firstTry);
      return;
    }
    String finalResponseContentType = JAXRSUtils.mediaTypeToString(responseMediaType);
    if (LOG.isLoggable(Level.FINE)) {
      LOG.fine("Response content type is: " + finalResponseContentType);
    }
    responseHeaders.putSingle(HttpHeaders.CONTENT_TYPE, finalResponseContentType);
    message.put(Message.CONTENT_TYPE, finalResponseContentType);

    boolean enabled = checkBufferingMode(message, writers, firstTry);
    try {

      try {
        JAXRSUtils.writeMessageBody(
            writers,
            entity,
            targetType,
            genericType,
            annotations,
            responseMediaType,
            responseHeaders,
            message);

        if (isResponseRedirected(message)) {
          return;
        }
        checkCachedStream(message, outOriginal, enabled);
      } finally {
        if (enabled) {
          OutputStream os = message.getContent(OutputStream.class);
          if (os != outOriginal && os instanceof CachedOutputStream) {
            os.close();
          }
          message.setContent(OutputStream.class, outOriginal);
          message.put(XMLStreamWriter.class.getName(), null);
        }
      }

    } catch (Throwable ex) {
      logWriteError(firstTry, targetType, responseMediaType);
      handleWriteException(providerFactory, message, ex, firstTry);
    }
  }