Examples with Content org.apache.qpid.server.model.Content used on opensource projects

Example 1 with Content

use of org.apache.qpid.server.model.Content in project qpid-broker-j by apache.

the class RestServlet method doOperation.

private void doOperation(final RequestInfo requestInfo, final ConfiguredObject<?> managedObject, final Class<? extends ConfiguredObject> configuredClass, final ConfiguredObjectFinder finder, final HttpServletRequest request, final HttpServletResponse response) throws IOException, ServletException {
    ConfiguredObject<?> target = getTarget(requestInfo, managedObject, configuredClass, finder);
    if (target == null) {
        return;
    }
    String operationName = requestInfo.getOperationName();
    final Map<String, ConfiguredObjectOperation<?>> availableOperations = managedObject.getModel().getTypeRegistry().getOperations(target.getClass());
    ConfiguredObjectOperation operation = availableOperations.get(operationName);
    Map<String, Object> operationArguments;
    String requestMethod = request.getMethod();
    if (operation == null) {
        sendJsonErrorResponse(request, response, HttpServletResponse.SC_NOT_FOUND, "No such operation: " + operationName);
        return;
    } else {
        switch(requestMethod) {
            case "GET":
                if (operation.isNonModifying()) {
                    operationArguments = getOperationArgumentsAsMap(request);
                    operationArguments.keySet().removeAll(Arrays.asList(CONTENT_DISPOSITION_ATTACHMENT_FILENAME_PARAM));
                } else {
                    response.addHeader("Allow", "POST");
                    sendJsonErrorResponse(request, response, HttpServletResponse.SC_METHOD_NOT_ALLOWED, "Operation " + operationName + " modifies the object so you must use POST.");
                    return;
                }
                break;
            case "POST":
                operationArguments = getRequestProvidedObject(request, requestInfo);
                break;
            default:
                response.addHeader("Allow", (operation.isNonModifying() ? "POST, GET" : "POST"));
                sendJsonErrorResponse(request, response, HttpServletResponse.SC_METHOD_NOT_ALLOWED, "Operation " + operationName + " does not support the " + requestMethod + " requestMethod.");
                return;
        }
    }
    if (operation.isSecure(target, operationArguments) && !(request.isSecure() || HttpManagementUtil.getPort(request).isAllowConfidentialOperationsOnInsecureChannels())) {
        sendJsonErrorResponse(request, response, HttpServletResponse.SC_FORBIDDEN, "Operation '" + operationName + "' can only be performed over a secure (HTTPS) connection");
        return;
    }
    Object returnVal = operation.perform(target, operationArguments);
    String attachmentFilename = request.getParameter(CONTENT_DISPOSITION_ATTACHMENT_FILENAME_PARAM);
    if (attachmentFilename != null) {
        setContentDispositionHeaderIfNecessary(response, attachmentFilename);
    }
    if (returnVal instanceof Content) {
        Content content = (Content) returnVal;
        try {
            writeTypedContent(content, request, response);
        } finally {
            content.release();
        }
    } else {
        final ConfiguredObjectToMapConverter.ConverterOptions converterOptions = new ConfiguredObjectToMapConverter.ConverterOptions(DEFAULT_DEPTH, false, DEFAULT_OVERSIZE, request.isSecure(), true);
        if (ConfiguredObject.class.isAssignableFrom(operation.getReturnType())) {
            returnVal = _objectConverter.convertObjectToMap((ConfiguredObject<?>) returnVal, operation.getReturnType(), converterOptions);
        } else if (returnsCollectionOfConfiguredObjects(operation)) {
            List<Map<String, Object>> output = new ArrayList<>();
            for (Object configuredObject : (Collection) returnVal) {
                output.add(_objectConverter.convertObjectToMap((ConfiguredObject<?>) configuredObject, getCollectionMemberType((ParameterizedType) operation.getGenericReturnType()), converterOptions));
            }
            returnVal = output;
        }
        sendJsonResponse(returnVal, request, response);
    }
}