org.springframework.http.HttpOutputMessage#getHeaders

Source File: ResourceRegionHttpMessageConverter.java From java-technology-stack with MIT License

6 votes

protected void writeResourceRegion(ResourceRegion region, HttpOutputMessage outputMessage) throws IOException {
	Assert.notNull(region, "ResourceRegion must not be null");
	HttpHeaders responseHeaders = outputMessage.getHeaders();

	long start = region.getPosition();
	long end = start + region.getCount() - 1;
	Long resourceLength = region.getResource().contentLength();
	end = Math.min(end, resourceLength - 1);
	long rangeLength = end - start + 1;
	responseHeaders.add("Content-Range", "bytes " + start + '-' + end + '/' + resourceLength);
	responseHeaders.setContentLength(rangeLength);

	InputStream in = region.getResource().getInputStream();
	try {
		StreamUtils.copyRange(in, outputMessage.getBody(), start, end);
	}
	finally {
		try {
			in.close();
		}
		catch (IOException ex) {
			// ignore
		}
	}
}

Source File: ResourceRegionHttpMessageConverter.java From lams with GNU General Public License v2.0

6 votes

protected void writeResourceRegion(ResourceRegion region, HttpOutputMessage outputMessage) throws IOException {
	Assert.notNull(region, "ResourceRegion must not be null");
	HttpHeaders responseHeaders = outputMessage.getHeaders();

	long start = region.getPosition();
	long end = start + region.getCount() - 1;
	Long resourceLength = region.getResource().contentLength();
	end = Math.min(end, resourceLength - 1);
	long rangeLength = end - start + 1;
	responseHeaders.add("Content-Range", "bytes " + start + '-' + end + '/' + resourceLength);
	responseHeaders.setContentLength(rangeLength);

	InputStream in = region.getResource().getInputStream();
	try {
		StreamUtils.copyRange(in, outputMessage.getBody(), start, end);
	}
	finally {
		try {
			in.close();
		}
		catch (IOException ex) {
			// ignore
		}
	}
}

Source File: FormHttpMessageConverter.java From lams with GNU General Public License v2.0

6 votes

private void writeMultipart(final MultiValueMap<String, Object> parts, HttpOutputMessage outputMessage) throws IOException {
	final byte[] boundary = generateMultipartBoundary();
	Map<String, String> parameters = Collections.singletonMap("boundary", new String(boundary, "US-ASCII"));

	MediaType contentType = new MediaType(MediaType.MULTIPART_FORM_DATA, parameters);
	HttpHeaders headers = outputMessage.getHeaders();
	headers.setContentType(contentType);

	if (outputMessage instanceof StreamingHttpOutputMessage) {
		StreamingHttpOutputMessage streamingOutputMessage = (StreamingHttpOutputMessage) outputMessage;
		streamingOutputMessage.setBody(new StreamingHttpOutputMessage.Body() {
			@Override
			public void writeTo(OutputStream outputStream) throws IOException {
				writeParts(outputStream, parts, boundary);
				writeEnd(outputStream, boundary);
			}
		});
	}
	else {
		writeParts(outputMessage.getBody(), parts, boundary);
		writeEnd(outputMessage.getBody(), boundary);
	}
}

Source File: PropertiesHttpMessageConverter.java From SpringAll with MIT License

6 votes

@Override
protected void writeInternal(Properties properties, Type type, HttpOutputMessage outputMessage) throws IOException, HttpMessageNotWritableException {
    // 获取请求头
    HttpHeaders headers = outputMessage.getHeaders();
    // 获取 content-type
    MediaType contentType = headers.getContentType();
    // 获取编码
    Charset charset = null;
    if (contentType != null) {
        charset = contentType.getCharset();
    }

    charset = charset == null ? Charset.forName("UTF-8") : charset;

    // 获取请求体
    OutputStream body = outputMessage.getBody();
    OutputStreamWriter outputStreamWriter = new OutputStreamWriter(body, charset);

    properties.store(outputStreamWriter, "Serialized by PropertiesHttpMessageConverter#writeInternal");
}

Source File: AbstractHttpMessageConverter.java From spring-analysis-note with MIT License

6 votes

/**
 * This implementation sets the default headers by calling {@link #addDefaultHeaders},
 * and then calls {@link #writeInternal}.
 */
@Override
public final void write(final T t, @Nullable MediaType contentType, HttpOutputMessage outputMessage)
		throws IOException, HttpMessageNotWritableException {

	final HttpHeaders headers = outputMessage.getHeaders();
	addDefaultHeaders(headers, t, contentType);

	if (outputMessage instanceof StreamingHttpOutputMessage) {
		StreamingHttpOutputMessage streamingOutputMessage = (StreamingHttpOutputMessage) outputMessage;
		streamingOutputMessage.setBody(outputStream -> writeInternal(t, new HttpOutputMessage() {
			@Override
			public OutputStream getBody() {
				return outputStream;
			}
			@Override
			public HttpHeaders getHeaders() {
				return headers;
			}
		}));
	}
	else {
		writeInternal(t, outputMessage);
		outputMessage.getBody().flush();
	}
}

Source File: AbstractGenericHttpMessageConverter.java From java-technology-stack with MIT License

6 votes

/**
 * This implementation sets the default headers by calling {@link #addDefaultHeaders},
 * and then calls {@link #writeInternal}.
 */
public final void write(final T t, @Nullable final Type type, @Nullable MediaType contentType,
		HttpOutputMessage outputMessage) throws IOException, HttpMessageNotWritableException {

	final HttpHeaders headers = outputMessage.getHeaders();
	addDefaultHeaders(headers, t, contentType);

	if (outputMessage instanceof StreamingHttpOutputMessage) {
		StreamingHttpOutputMessage streamingOutputMessage = (StreamingHttpOutputMessage) outputMessage;
		streamingOutputMessage.setBody(outputStream -> writeInternal(t, type, new HttpOutputMessage() {
			@Override
			public OutputStream getBody() {
				return outputStream;
			}
			@Override
			public HttpHeaders getHeaders() {
				return headers;
			}
		}));
	}
	else {
		writeInternal(t, type, outputMessage);
		outputMessage.getBody().flush();
	}
}

Source File: AbstractHttpMessageConverter.java From java-technology-stack with MIT License

6 votes

/**
 * This implementation sets the default headers by calling {@link #addDefaultHeaders},
 * and then calls {@link #writeInternal}.
 */
@Override
public final void write(final T t, @Nullable MediaType contentType, HttpOutputMessage outputMessage)
		throws IOException, HttpMessageNotWritableException {

	final HttpHeaders headers = outputMessage.getHeaders();
	addDefaultHeaders(headers, t, contentType);

	if (outputMessage instanceof StreamingHttpOutputMessage) {
		StreamingHttpOutputMessage streamingOutputMessage = (StreamingHttpOutputMessage) outputMessage;
		streamingOutputMessage.setBody(outputStream -> writeInternal(t, new HttpOutputMessage() {
			@Override
			public OutputStream getBody() {
				return outputStream;
			}
			@Override
			public HttpHeaders getHeaders() {
				return headers;
			}
		}));
	}
	else {
		writeInternal(t, outputMessage);
		outputMessage.getBody().flush();
	}
}

Source File: ResourceRegionHttpMessageConverter.java From spring-analysis-note with MIT License

6 votes

protected void writeResourceRegion(ResourceRegion region, HttpOutputMessage outputMessage) throws IOException {
	Assert.notNull(region, "ResourceRegion must not be null");
	HttpHeaders responseHeaders = outputMessage.getHeaders();

	long start = region.getPosition();
	long end = start + region.getCount() - 1;
	Long resourceLength = region.getResource().contentLength();
	end = Math.min(end, resourceLength - 1);
	long rangeLength = end - start + 1;
	responseHeaders.add("Content-Range", "bytes " + start + '-' + end + '/' + resourceLength);
	responseHeaders.setContentLength(rangeLength);

	InputStream in = region.getResource().getInputStream();
	try {
		StreamUtils.copyRange(in, outputMessage.getBody(), start, end);
	}
	finally {
		try {
			in.close();
		}
		catch (IOException ex) {
			// ignore
		}
	}
}

Source File: AbstractGenericHttpMessageConverter.java From spring-analysis-note with MIT License

6 votes

/**
 * This implementation sets the default headers by calling {@link #addDefaultHeaders},
 * and then calls {@link #writeInternal}.
 */
public final void write(final T t, @Nullable final Type type, @Nullable MediaType contentType,
		HttpOutputMessage outputMessage) throws IOException, HttpMessageNotWritableException {

	final HttpHeaders headers = outputMessage.getHeaders();
	addDefaultHeaders(headers, t, contentType);

	if (outputMessage instanceof StreamingHttpOutputMessage) {
		StreamingHttpOutputMessage streamingOutputMessage = (StreamingHttpOutputMessage) outputMessage;
		streamingOutputMessage.setBody(outputStream -> writeInternal(t, type, new HttpOutputMessage() {
			@Override
			public OutputStream getBody() {
				return outputStream;
			}
			@Override
			public HttpHeaders getHeaders() {
				return headers;
			}
		}));
	}
	else {
		writeInternal(t, type, outputMessage);
		outputMessage.getBody().flush();
	}
}

Source File: FormHttpMessageConverter.java From spring-analysis-note with MIT License

6 votes

private void writeMultipart(final MultiValueMap<String, Object> parts, HttpOutputMessage outputMessage)
		throws IOException {

	final byte[] boundary = generateMultipartBoundary();
	Map<String, String> parameters = new LinkedHashMap<>(2);
	if (!isFilenameCharsetSet()) {
		parameters.put("charset", this.charset.name());
	}
	parameters.put("boundary", new String(boundary, StandardCharsets.US_ASCII));

	MediaType contentType = new MediaType(MediaType.MULTIPART_FORM_DATA, parameters);
	HttpHeaders headers = outputMessage.getHeaders();
	headers.setContentType(contentType);

	if (outputMessage instanceof StreamingHttpOutputMessage) {
		StreamingHttpOutputMessage streamingOutputMessage = (StreamingHttpOutputMessage) outputMessage;
		streamingOutputMessage.setBody(outputStream -> {
			writeParts(outputStream, parts, boundary);
			writeEnd(outputStream, boundary);
		});
	}
	else {
		writeParts(outputMessage.getBody(), parts, boundary);
		writeEnd(outputMessage.getBody(), boundary);
	}
}

Source File: InputStreamMessageConverter.java From n2o-framework with Apache License 2.0

5 votes

@Override
protected void writeInternal(DataInputStream in, HttpOutputMessage outputMessage)
        throws IOException, HttpMessageNotWritableException {
    HttpHeaders httpHeaders = outputMessage.getHeaders();
    String subtype = httpHeaders.getContentType().getSubtype();
    logger.debug("Trying write DataInputStream into servlet OutputStream. Output subtype:{}", subtype);
    IOUtils.copy(in, outputMessage.getBody());
    in.close();
    outputMessage.getBody().close();
}

Source File: FastJsonHttpMessageConverter.java From mcg-helper with Apache License 2.0

5 votes

protected void writeInternal(Object obj, HttpOutputMessage outputMessage)
        throws IOException, HttpMessageNotWritableException {
    HttpHeaders headers = outputMessage.getHeaders();
    String text = null;
    this.writeBefore(obj);
    if (!(obj instanceof JsonpResult)) {
        text = JSON.toJSONString(obj, //
                SerializeConfig.globalInstance, //
                filters, //
                dateFormat, //
                JSON.DEFAULT_GENERATE_FEATURE, //
                features);          
    } else {
        JsonpResult jsonp = (JsonpResult) obj;
        text = new StringBuilder(jsonp.getJsonpFunction())
                .append('(')
                .append(JSON.toJSONString(
                        jsonp.getValue(), //
                        SerializeConfig.globalInstance,
                        filters,
                        dateFormat,
                        JSON.DEFAULT_GENERATE_FEATURE,
                        features))
                .append(");").toString();
    }
    this.writeAfter(text);
    byte[] bytes = text.getBytes(charset);
    headers.setContentLength(bytes.length);
    OutputStream out = outputMessage.getBody();
    out.write(bytes);
    out.flush();
}

Source File: AbstractHttpMessageConverter.java From lams with GNU General Public License v2.0

5 votes

/**
 * This implementation sets the default headers by calling {@link #addDefaultHeaders},
 * and then calls {@link #writeInternal}.
 */
@Override
public final void write(final T t, MediaType contentType, HttpOutputMessage outputMessage)
		throws IOException, HttpMessageNotWritableException {

	final HttpHeaders headers = outputMessage.getHeaders();
	addDefaultHeaders(headers, t, contentType);

	if (outputMessage instanceof StreamingHttpOutputMessage) {
		StreamingHttpOutputMessage streamingOutputMessage =
				(StreamingHttpOutputMessage) outputMessage;
		streamingOutputMessage.setBody(new StreamingHttpOutputMessage.Body() {
			@Override
			public void writeTo(final OutputStream outputStream) throws IOException {
				writeInternal(t, new HttpOutputMessage() {
					@Override
					public OutputStream getBody() throws IOException {
						return outputStream;
					}
					@Override
					public HttpHeaders getHeaders() {
						return headers;
					}
				});
			}
		});
	}
	else {
		writeInternal(t, outputMessage);
		outputMessage.getBody().flush();
	}
}

Source File: StringHttpMessageConverter.java From spring-analysis-note with MIT License

5 votes

@Override
protected void writeInternal(String str, HttpOutputMessage outputMessage) throws IOException {
	HttpHeaders headers = outputMessage.getHeaders();
	if (this.writeAcceptCharset && headers.get(HttpHeaders.ACCEPT_CHARSET) == null) {
		headers.setAcceptCharset(getAcceptedCharsets());
	}
	Charset charset = getContentTypeCharset(headers.getContentType());
	StreamUtils.copy(str, charset, outputMessage.getBody());
}

Source File: AbstractGenericHttpMessageConverter.java From lams with GNU General Public License v2.0

5 votes

/**
 * This implementation sets the default headers by calling {@link #addDefaultHeaders},
 * and then calls {@link #writeInternal}.
 */
public final void write(final T t, final Type type, MediaType contentType, HttpOutputMessage outputMessage)
		throws IOException, HttpMessageNotWritableException {

	final HttpHeaders headers = outputMessage.getHeaders();
	addDefaultHeaders(headers, t, contentType);

	if (outputMessage instanceof StreamingHttpOutputMessage) {
		StreamingHttpOutputMessage streamingOutputMessage = (StreamingHttpOutputMessage) outputMessage;
		streamingOutputMessage.setBody(new StreamingHttpOutputMessage.Body() {
			@Override
			public void writeTo(final OutputStream outputStream) throws IOException {
				writeInternal(t, type, new HttpOutputMessage() {
					@Override
					public OutputStream getBody() throws IOException {
						return outputStream;
					}
					@Override
					public HttpHeaders getHeaders() {
						return headers;
					}
				});
			}
		});
	}
	else {
		writeInternal(t, type, outputMessage);
		outputMessage.getBody().flush();
	}
}

Source File: FastJsonHttpMessageConverter.java From uavstack with Apache License 2.0

4 votes

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

    ByteArrayOutputStream outnew = new ByteArrayOutputStream();
    try {
        HttpHeaders headers = outputMessage.getHeaders();

        //获取全局配置的filter
        SerializeFilter[] globalFilters = fastJsonConfig.getSerializeFilters();
        List<SerializeFilter> allFilters = new ArrayList<SerializeFilter>(Arrays.asList(globalFilters));

        boolean isJsonp = false;

        //不知道为什么会有这行代码， 但是为了保持和原来的行为一致，还是保留下来
        Object value = strangeCodeForJackson(object);

        if (value instanceof FastJsonContainer) {
            FastJsonContainer fastJsonContainer = (FastJsonContainer) value;
            PropertyPreFilters filters = fastJsonContainer.getFilters();
            allFilters.addAll(filters.getFilters());
            value = fastJsonContainer.getValue();
        }

        //revise 2017-10-23 ,
        // 保持原有的MappingFastJsonValue对象的contentType不做修改 保持旧版兼容。
        // 但是新的JSONPObject将返回标准的contentType：application/javascript ，不对是否有function进行判断
        if (value instanceof MappingFastJsonValue) {
            if(!StringUtils.isEmpty(((MappingFastJsonValue) value).getJsonpFunction())){
                isJsonp = true;
            }
        } else if (value instanceof JSONPObject) {
            isJsonp = true;
        }


        int len = JSON.writeJSONString(outnew, //
                fastJsonConfig.getCharset(), //
                value, //
                fastJsonConfig.getSerializeConfig(), //
                //fastJsonConfig.getSerializeFilters(), //
                allFilters.toArray(new SerializeFilter[allFilters.size()]),
                fastJsonConfig.getDateFormat(), //
                JSON.DEFAULT_GENERATE_FEATURE, //
                fastJsonConfig.getSerializerFeatures());

        if (isJsonp) {
            headers.setContentType(APPLICATION_JAVASCRIPT);
        }

        if (fastJsonConfig.isWriteContentLength()) {
            headers.setContentLength(len);
        }

        outnew.writeTo(outputMessage.getBody());

    } catch (JSONException ex) {
        throw new HttpMessageNotWritableException("Could not write JSON: " + ex.getMessage(), ex);
    } finally {
        outnew.close();
    }
}

Source File: ResourceRegionHttpMessageConverter.java From lams with GNU General Public License v2.0

4 votes

private void writeResourceRegionCollection(Collection<ResourceRegion> resourceRegions,
		HttpOutputMessage outputMessage) throws IOException {

	Assert.notNull(resourceRegions, "Collection of ResourceRegion should not be null");
	HttpHeaders responseHeaders = outputMessage.getHeaders();

	MediaType contentType = responseHeaders.getContentType();
	String boundaryString = MimeTypeUtils.generateMultipartBoundaryString();
	responseHeaders.set(HttpHeaders.CONTENT_TYPE, "multipart/byteranges; boundary=" + boundaryString);
	OutputStream out = outputMessage.getBody();

	for (ResourceRegion region : resourceRegions) {
		long start = region.getPosition();
		long end = start + region.getCount() - 1;
		InputStream in = region.getResource().getInputStream();
		try {
			// Writing MIME header.
			println(out);
			print(out, "--" + boundaryString);
			println(out);
			if (contentType != null) {
				print(out, "Content-Type: " + contentType.toString());
				println(out);
			}
			Long resourceLength = region.getResource().contentLength();
			end = Math.min(end, resourceLength - 1);
			print(out, "Content-Range: bytes " + start + '-' + end + '/' + resourceLength);
			println(out);
			println(out);
			// Printing content
			StreamUtils.copyRange(in, out, start, end);
		}
		finally {
			try {
				in.close();
			}
			catch (IOException ex) {
				// ignore
			}
		}
	}

	println(out);
	print(out, "--" + boundaryString + "--");
}

Source File: ResourceRegionHttpMessageConverter.java From spring-analysis-note with MIT License

4 votes

private void writeResourceRegionCollection(Collection<ResourceRegion> resourceRegions,
		HttpOutputMessage outputMessage) throws IOException {

	Assert.notNull(resourceRegions, "Collection of ResourceRegion should not be null");
	HttpHeaders responseHeaders = outputMessage.getHeaders();

	MediaType contentType = responseHeaders.getContentType();
	String boundaryString = MimeTypeUtils.generateMultipartBoundaryString();
	responseHeaders.set(HttpHeaders.CONTENT_TYPE, "multipart/byteranges; boundary=" + boundaryString);
	OutputStream out = outputMessage.getBody();

	for (ResourceRegion region : resourceRegions) {
		long start = region.getPosition();
		long end = start + region.getCount() - 1;
		InputStream in = region.getResource().getInputStream();
		try {
			// Writing MIME header.
			println(out);
			print(out, "--" + boundaryString);
			println(out);
			if (contentType != null) {
				print(out, "Content-Type: " + contentType.toString());
				println(out);
			}
			Long resourceLength = region.getResource().contentLength();
			end = Math.min(end, resourceLength - 1);
			print(out, "Content-Range: bytes " + start + '-' + end + '/' + resourceLength);
			println(out);
			println(out);
			// Printing content
			StreamUtils.copyRange(in, out, start, end);
		}
		finally {
			try {
				in.close();
			}
			catch (IOException ex) {
				// ignore
			}
		}
	}

	println(out);
	print(out, "--" + boundaryString + "--");
}

Source File: ResourceRegionHttpMessageConverter.java From java-technology-stack with MIT License

4 votes

private void writeResourceRegionCollection(Collection<ResourceRegion> resourceRegions,
		HttpOutputMessage outputMessage) throws IOException {

	Assert.notNull(resourceRegions, "Collection of ResourceRegion should not be null");
	HttpHeaders responseHeaders = outputMessage.getHeaders();

	MediaType contentType = responseHeaders.getContentType();
	String boundaryString = MimeTypeUtils.generateMultipartBoundaryString();
	responseHeaders.set(HttpHeaders.CONTENT_TYPE, "multipart/byteranges; boundary=" + boundaryString);
	OutputStream out = outputMessage.getBody();

	for (ResourceRegion region : resourceRegions) {
		long start = region.getPosition();
		long end = start + region.getCount() - 1;
		InputStream in = region.getResource().getInputStream();
		try {
			// Writing MIME header.
			println(out);
			print(out, "--" + boundaryString);
			println(out);
			if (contentType != null) {
				print(out, "Content-Type: " + contentType.toString());
				println(out);
			}
			Long resourceLength = region.getResource().contentLength();
			end = Math.min(end, resourceLength - 1);
			print(out, "Content-Range: bytes " + start + '-' + end + '/' + resourceLength);
			println(out);
			println(out);
			// Printing content
			StreamUtils.copyRange(in, out, start, end);
		}
		finally {
			try {
				in.close();
			}
			catch (IOException ex) {
				// ignore
			}
		}
	}

	println(out);
	print(out, "--" + boundaryString + "--");
}

Source File: JsonMessageConverter.java From DDMQ with Apache License 2.0

4 votes

@Override
protected void writeInternal(Object object, HttpOutputMessage outputMessage) throws IOException, HttpMessageNotWritableException {
    try (ByteArrayOutputStream outnew = new ByteArrayOutputStream()) {
        HttpHeaders headers = outputMessage.getHeaders();

        //获取全局配置的filter
        SerializeFilter[] globalFilters = getFastJsonConfig().getSerializeFilters();
        List<SerializeFilter> allFilters = new ArrayList<>(Arrays.asList(globalFilters));

        boolean isJsonp = false;
        Object value = strangeCodeForJackson(object);

        if (value instanceof FastJsonContainer) {
            FastJsonContainer fastJsonContainer = (FastJsonContainer) value;
            PropertyPreFilters filters = fastJsonContainer.getFilters();
            allFilters.addAll(filters.getFilters());
            value = fastJsonContainer.getValue();
        }

        if (value instanceof MappingFastJsonValue) {
            isJsonp = true;
            value = ((MappingFastJsonValue) value).getValue();
        } else if (value instanceof JSONPObject) {
            isJsonp = true;
        }


        int len = writePrefix(outnew, object);
        len += JSON.writeJSONString(outnew, //
                getFastJsonConfig().getCharset(), //
                value, //
                getFastJsonConfig().getSerializeConfig(), //
                allFilters.toArray(new SerializeFilter[allFilters.size()]),
                getFastJsonConfig().getDateFormat(), //
                JSON.DEFAULT_GENERATE_FEATURE, //
                getFastJsonConfig().getSerializerFeatures());
        len += writeSuffix(outnew, object);

        if (isJsonp) {
            headers.setContentType(APPLICATION_JAVASCRIPT);
        }
        if (getFastJsonConfig().isWriteContentLength()) {
            headers.setContentLength(len);
        }

        headers.set("carrera_logid", RequestContext.getLogId());
        RequestContext.sendJsonResponse(outnew.toString());

        outnew.writeTo(outputMessage.getBody());

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

Java Code Examples for org.springframework.http.HttpOutputMessage#getHeaders()