Java Code Examples for com.fasterxml.jackson.databind.ObjectWriter#with()

public ObjectWriter newWriter(
    final boolean locationInfo, final boolean properties, final boolean compact) {
  final SimpleFilterProvider filters = new SimpleFilterProvider();
  final Set<String> except = new HashSet<>(4);
  if (!locationInfo) {
    except.add(this.getPropertyNameForSource());
  }
  if (!properties) {
    except.add(this.getPropertyNameForContextMap());
  }
  if (!includeStacktrace) {
    except.add(this.getPropertyNameForStackTrace());
  }
  except.add(this.getPropertyNameForNanoTime());
  filters.addFilter(
      Log4jLogEvent.class.getName(), SimpleBeanPropertyFilter.serializeAllExcept(except));
  final ObjectWriter writer =
      this.newObjectMapper().writer(compact ? this.newCompactPrinter() : this.newPrettyPrinter());
  return writer.with(filters);
}
 

/**
 * Write the actual JSON content to the stream.
 * @param stream the output stream to use
 * @param object the value to be rendered, as returned from {@link #filterModel}
 * @throws IOException if writing failed
 */
protected void writeContent(OutputStream stream, Object object) throws IOException {
	JsonGenerator generator = this.objectMapper.getFactory().createGenerator(stream, this.encoding);
	writePrefix(generator, object);

	Object value = object;
	Class<?> serializationView = null;
	FilterProvider filters = null;

	if (value instanceof MappingJacksonValue) {
		MappingJacksonValue container = (MappingJacksonValue) value;
		value = container.getValue();
		serializationView = container.getSerializationView();
		filters = container.getFilters();
	}

	ObjectWriter objectWriter = (serializationView != null ?
			this.objectMapper.writerWithView(serializationView) : this.objectMapper.writer());
	if (filters != null) {
		objectWriter = objectWriter.with(filters);
	}
	objectWriter.writeValue(generator, value);

	writeSuffix(generator, object);
	generator.flush();
}
 

/**
 * Write the actual JSON content to the stream.
 * @param stream the output stream to use
 * @param object the value to be rendered, as returned from {@link #filterModel}
 * @throws IOException if writing failed
 */
protected void writeContent(OutputStream stream, Object object) throws IOException {
	JsonGenerator generator = this.objectMapper.getFactory().createGenerator(stream, this.encoding);
	writePrefix(generator, object);

	Object value = object;
	Class<?> serializationView = null;
	FilterProvider filters = null;

	if (value instanceof MappingJacksonValue) {
		MappingJacksonValue container = (MappingJacksonValue) value;
		value = container.getValue();
		serializationView = container.getSerializationView();
		filters = container.getFilters();
	}

	ObjectWriter objectWriter = (serializationView != null ?
			this.objectMapper.writerWithView(serializationView) : this.objectMapper.writer());
	if (filters != null) {
		objectWriter = objectWriter.with(filters);
	}
	objectWriter.writeValue(generator, value);

	writeSuffix(generator, object);
	generator.flush();
}
 

public ServletResponseResultWriter(
    HttpServletResponse servletResponse, ApiSerializationConfig serializationConfig,
    boolean prettyPrint, boolean addContentLength) {
  this.servletResponse = servletResponse;
  Set<SimpleModule> modules = new LinkedHashSet<>();
  modules.addAll(WRITER_MODULES);
  ObjectWriter objectWriter = ConfiguredObjectMapper.builder()
      .apiSerializationConfig(serializationConfig)
      .addRegisteredModules(modules)
      .build()
      .writer();

  if (prettyPrint) {
    objectWriter = objectWriter.with(new EndpointsPrettyPrinter());
  }
  this.objectWriter = configureWriter(objectWriter);
  this.addContentLength = addContentLength;
}
 

@Override
protected ObjectWriter createObjectWriter() {
	ObjectWriter writer = super.createObjectWriter();

	for (SerializationFeature feature : SerializationFeature.values()) {
		boolean hasDefault = DEFAULT_SERIALIZATION_FEATURES.contains(feature);
		Parameter parameter = ContextUtils.getParameter(ContextUtils.getCurrentApplicationContext(), SERIALIZATION_FEATURE + feature.name());
		if ((parameter != null) || hasDefault) {
			if (ContextUtils.getParameterAsBoolean(parameter, feature.enabledByDefault() || hasDefault)) {
				writer = writer.with(feature);
			} else {
				writer = writer.without(feature);
			}
		}
	}
	return writer;
}
 

public ObjectWriter newWriter(final boolean locationInfo, final boolean properties, final boolean compact,
        final boolean includeMillis) {
    final SimpleFilterProvider filters = new SimpleFilterProvider();
    final Set<String> except = new HashSet<>(5);
    if (!locationInfo) {
        except.add(this.getPropertyNameForSource());
    }
    if (!properties) {
        except.add(this.getPropertyNameForContextMap());
    }
    if (!includeStacktrace) {
        except.add(this.getPropertyNameForStackTrace());
    }
    if (includeMillis) {
        except.add(getPropertyNameForInstant());
    } else {
        except.add(getPropertyNameForTimeMillis());
    }
    except.add(this.getPropertyNameForNanoTime());
    filters.addFilter(Log4jLogEvent.class.getName(), SimpleBeanPropertyFilter.serializeAllExcept(except));
    final ObjectWriter writer = this.newObjectMapper()
            .writer(compact ? this.newCompactPrinter() : this.newPrettyPrinter());
    return writer.with(filters);
}
 

@Override
protected ObjectWriter customizeWriter(ObjectWriter writer, @Nullable MimeType mimeType,
		ResolvableType elementType, @Nullable Map<String, Object> hints) {

	return (this.ssePrettyPrinter != null &&
			MediaType.TEXT_EVENT_STREAM.isCompatibleWith(mimeType) &&
			writer.getConfig().isEnabled(SerializationFeature.INDENT_OUTPUT) ?
			writer.with(this.ssePrettyPrinter) : writer);
}
 

@Override
protected ObjectWriter customizeWriter(ObjectWriter writer, @Nullable MimeType mimeType,
		ResolvableType elementType, @Nullable Map<String, Object> hints) {

	return (this.ssePrettyPrinter != null &&
			MediaType.TEXT_EVENT_STREAM.isCompatibleWith(mimeType) &&
			writer.getConfig().isEnabled(SerializationFeature.INDENT_OUTPUT) ?
			writer.with(this.ssePrettyPrinter) : writer);
}
 

ObjectWriter newWriter(final boolean locationInfo, final boolean properties, final boolean compact) {
    final SimpleFilterProvider filters = new SimpleFilterProvider();
    final Set<String> except = new HashSet<>(2);
    if (!locationInfo) {
        except.add(this.getPropertNameForSource());
    }
    if (!properties) {
        except.add(this.getPropertNameForContextMap());
    }
    except.add(this.getPropertNameForNanoTime());
    filters.addFilter(Log4jLogEvent.class.getName(), SimpleBeanPropertyFilter.serializeAllExcept(except));
    final ObjectWriter writer =
        this.newObjectMapper().writer(compact ? this.newCompactPrinter() : this.newPrettyPrinter());
    return writer.with(filters);
}
 

@Override
public ObjectWriter modify(EndpointConfigBase<?> endpoint, MultivaluedMap<String, Object> responseHeaders, Object valueToWrite,
		ObjectWriter w, JsonGenerator g) throws IOException {
	SimpleBeanPropertyFilter filter = null;
	if (includes != null && !includes.isEmpty()) {
		filter = new SimpleBeanPropertyFilter.FilterExceptFilter(includes);
	} else if (excludes != null && !excludes.isEmpty()) {
		filter = SimpleBeanPropertyFilter.serializeAllExcept(excludes);
	} else {
		filter = SimpleBeanPropertyFilter.serializeAllExcept(new HashSet<String>());
	}
	FilterProvider provider = new SimpleFilterProvider().addFilter("property_filter", filter);
	return w.with(provider);
}
 

@Override
protected void writeInternal(Object object, Type type, HttpOutputMessage outputMessage)
		throws IOException, HttpMessageNotWritableException {

	MediaType contentType = outputMessage.getHeaders().getContentType();
	JsonEncoding encoding = getJsonEncoding(contentType);
	JsonGenerator generator = this.objectMapper.getFactory().createGenerator(outputMessage.getBody(), encoding);
	try {
		writePrefix(generator, object);

		Class<?> serializationView = null;
		FilterProvider filters = null;
		Object value = object;
		JavaType javaType = null;
		if (object instanceof MappingJacksonValue) {
			MappingJacksonValue container = (MappingJacksonValue) object;
			value = container.getValue();
			serializationView = container.getSerializationView();
			filters = container.getFilters();
		}
		if (type != null && value != null && TypeUtils.isAssignable(type, value.getClass())) {
			javaType = getJavaType(type, null);
		}
		ObjectWriter objectWriter;
		if (serializationView != null) {
			objectWriter = this.objectMapper.writerWithView(serializationView);
		}
		else if (filters != null) {
			objectWriter = this.objectMapper.writer(filters);
		}
		else {
			objectWriter = this.objectMapper.writer();
		}
		if (javaType != null && javaType.isContainerType()) {
			objectWriter = objectWriter.forType(javaType);
		}
		SerializationConfig config = objectWriter.getConfig();
		if (contentType != null && contentType.isCompatibleWith(TEXT_EVENT_STREAM) &&
				config.isEnabled(SerializationFeature.INDENT_OUTPUT)) {
			objectWriter = objectWriter.with(this.ssePrettyPrinter);
		}
		objectWriter.writeValue(generator, value);

		writeSuffix(generator, object);
		generator.flush();

	}
	catch (JsonProcessingException ex) {
		throw new HttpMessageNotWritableException("Could not write JSON: " + ex.getOriginalMessage(), ex);
	}
}