下面列出了 io.netty.handler.codec.http.multipart.InterfaceHttpData.HttpDataType # FileUpload ( ) 实例代码，或者点击链接到github查看源代码，也可以在右侧发表评论。
protected DFHttpMultiData(HttpPostRequestDecoder reqDecoder) {
this.reqDecoder = reqDecoder;
List<InterfaceHttpData> lsReqData = reqDecoder.getBodyHttpDatas();
if(lsReqData.isEmpty()){
lsData = null;
partNum = 0;
}else{
int tmpNum = 0;
lsData = new ArrayList<>(lsReqData.size());
for(InterfaceHttpData reqData : lsReqData){
if(reqData.getHttpDataType() == HttpDataType.FileUpload){
FileUpload fUp = (FileUpload) reqData;
String tmpFile = fUp.getFilename();
if(tmpFile == null || tmpFile.equals("")){
continue;
}
DFHttpData data = new DFHttpData(fUp);
lsData.add(data);
++tmpNum;
}
}
partNum = tmpNum;
}
}
private void parseHttpPostRequest(FullHttpRequest request) {
HttpPostRequestDecoder decoder = null;
try {
decoder = new HttpPostRequestDecoder(request);
for (InterfaceHttpData httpData : decoder.getBodyHttpDatas()) {
HttpDataType _type = httpData.getHttpDataType();
if (_type == HttpDataType.Attribute) {
Attribute attribute = (Attribute) httpData;
parseAttribute(attribute);
} else if (_type == HttpDataType.FileUpload) {
FileUpload upload = (FileUpload) httpData;
multipartFiles.add(MultipartFileFactory.create(upload));
}
}
} catch (Exception ex) {
LogUtils.warn(ex.getMessage());
} finally {
// 注意这个地方，一定要调用destroy方法，如果不调用会导致内存泄漏
if (decoder != null)
decoder.destroy();
}
}
public void init(Channel channel, FullHttpRequest request, RouteResult<RouteAction> routeResult, boolean enableCookies) {
this.channel = channel;
this.request = request;
this.routeResult = routeResult;
this.enableCookies = enableCookies;
if (this.method() == HttpMethod.POST) {
try {
HttpPostRequestDecoder decoder = new HttpPostRequestDecoder(request);
decoder.offer(request);
List<InterfaceHttpData> paramsList = decoder.getBodyHttpDatas();
for (InterfaceHttpData httpData : paramsList) {
if (httpData.getHttpDataType() == HttpDataType.Attribute) {
Attribute data = (Attribute) httpData;
postMaps.put(data.getName(), data.getValue());
} else if (httpData.getHttpDataType() == HttpDataType.FileUpload) {
MixedFileUpload fileUpload = (MixedFileUpload) httpData;
this.fileUpload = fileUpload;
} else {
LOGGER.error("not support http data type. type={}", httpData.getHttpDataType());
}
}
} catch (Exception ex) {
LOGGER.error("{}", ex);
}
}
if (enableCookies) {
List<String> cookiesList = request.headers().getAll(HttpHeaderNames.COOKIE);
cookiesList.forEach(h -> ServerCookieDecoder.STRICT.decode(h).forEach(c -> cookieMaps.put(c.name(), c)));
}
}
@Override
public void sendResponse(FullHttpRequest req, ChannelHandlerContext ctx) throws Exception {
long startTime = System.nanoTime();
HttpPostRequestDecoder decoder = new HttpPostRequestDecoder(req);
try {
String place = null;
int num = 0;
while(decoder.hasNext()) {
num++;
InterfaceHttpData httpData = decoder.next();
if(httpData.getHttpDataType() == HttpDataType.Attribute && httpData.getName().equalsIgnoreCase("place")) {
place = ((Attribute) httpData).getValue();
} else if(httpData.getHttpDataType() == HttpDataType.FileUpload) {
String camProtAddr = URLDecoder.decode(httpData.getName(), "UTF-8");
Device d = findCamera(camProtAddr);
if(d == null) {
UPLOAD_UNKNOWN.inc();
logger.warn("ignoring preview upload for non-existent camera {}", camProtAddr);
continue;
}
write(place, d, (FileUpload) httpData);
}
}
HttpResponse response = new DefaultHttpResponse(HttpVersion.HTTP_1_1, HttpResponseStatus.OK);
ChannelFuture future = ctx.writeAndFlush(response);
if(!HttpHeaders.isKeepAlive(req)) {
future.addListener(ChannelFutureListener.CLOSE);
}
UPLOAD_NUM.update(num);
UPLOAD_SUCCESS.update(System.nanoTime() - startTime, TimeUnit.NANOSECONDS);
} catch (Exception ex) {
UPLOAD_FAIL.update(System.nanoTime() - startTime, TimeUnit.NANOSECONDS);
} finally {
decoder.cleanFiles();
}
}
private void doPost(ChannelHandlerContext ctx, SessionContext sctx) {
WebRequest webRequest = getWebRequest();
JSONObject data = webRequest.getData();
try {
while (postRequestDecoder.hasNext()) {
InterfaceHttpData httpData = postRequestDecoder.next();
try {
if (httpData.getHttpDataType() == HttpDataType.Attribute ||
httpData.getHttpDataType() == HttpDataType.InternalAttribute) {
Attribute attribute = (Attribute) httpData;
data.put(attribute.getName(), attribute.getValue());
} else if (httpData.getHttpDataType() == HttpDataType.FileUpload) {
FileUpload fileUpload = (FileUpload) httpData;
if (fileUpload.isCompleted()) {
webRequest.getFileUploadMap().put(fileUpload.getName(), new WebFileUpload(fileUpload));
} else {
log.error("fileUpload not complete name[{}]", fileUpload.getName());
}
}
} catch (Exception e) {
log.error(e.getMessage(), e);
} finally {
postRequestDecoder.removeHttpDataFromClean(httpData);
httpData.release();
}
}
} catch (EndOfDataDecoderException ignored) {
}
if (webRequest.isDynamic()) {
doWork(ctx, sctx, webRequest);
} else {
doFile(ctx, sctx, webRequest);
}
}
private HttpResponseStatus readFileUploadData() throws IOException {
while (this.decoder.hasNext()) {
final InterfaceHttpData data = this.decoder.next();
if (data != null) {
try {
logger.info("BODY FileUpload: " + data.getHttpDataType().name() + ": " + data);
if (data.getHttpDataType() == HttpDataType.FileUpload) {
final FileUpload fileUpload = (FileUpload) data;
if (fileUpload.isCompleted()) {
this.requestProcessed = true;
final String format = ImageStoreUtil.checkTemplateFormat(fileUpload.getFile().getAbsolutePath(), fileUpload.getFilename());
if (StringUtils.isNotBlank(format)) {
final String errorString = "File type mismatch between the sent file and the actual content. Received: " + format;
logger.error(errorString);
this.responseContent.append(errorString);
this.storageResource.updateStateMapWithError(this.uuid, errorString);
return HttpResponseStatus.BAD_REQUEST;
}
final String status = this.storageResource.postUpload(this.uuid, fileUpload.getFile().getName());
if (status != null) {
this.responseContent.append(status);
this.storageResource.updateStateMapWithError(this.uuid, status);
return HttpResponseStatus.INTERNAL_SERVER_ERROR;
} else {
this.responseContent.append("upload successful.");
return HttpResponseStatus.OK;
}
}
}
} finally {
data.release();
}
}
}
this.responseContent.append("received entity is not a file");
return HttpResponseStatus.UNPROCESSABLE_ENTITY;
}
private void handleUploadFile(InterfaceHttpData data, Message uploadMessage) throws IOException{
FileForm fileForm = (FileForm)uploadMessage.getBody();
if(fileForm == null){
fileForm = new FileForm();
uploadMessage.setBody(fileForm);
}
if (data.getHttpDataType() == HttpDataType.Attribute) {
Attribute attribute = (Attribute) data;
fileForm.attributes.put(attribute.getName(), attribute.getValue());
return;
}
if (data.getHttpDataType() == HttpDataType.FileUpload) {
FileUpload fileUpload = (FileUpload) data;
Http.FileUpload file = new Http.FileUpload();
file.fileName = fileUpload.getFilename();
file.contentType = fileUpload.getContentType();
file.data = fileUpload.get();
List<Http.FileUpload> uploads = fileForm.files.get(data.getName());
if(uploads == null){
uploads = new ArrayList<Http.FileUpload>();
fileForm.files.put(data.getName(), uploads);
}
uploads.add(file);
}
}
private HttpResponseStatus readFileUploadData() throws IOException {
while (decoder.hasNext()) {
InterfaceHttpData data = decoder.next();
if (data != null) {
try {
logger.info("BODY FileUpload: " + data.getHttpDataType().name() + ": " + data);
if (data.getHttpDataType() == HttpDataType.FileUpload) {
FileUpload fileUpload = (FileUpload) data;
if (fileUpload.isCompleted()) {
requestProcessed = true;
String format = ImageStoreUtil.checkTemplateFormat(fileUpload.getFile().getAbsolutePath(), fileUpload.getFilename());
if(StringUtils.isNotBlank(format)) {
String errorString = "File type mismatch between the sent file and the actual content. Received: " + format;
logger.error(errorString);
responseContent.append(errorString);
storageResource.updateStateMapWithError(uuid, errorString);
return HttpResponseStatus.BAD_REQUEST;
}
String status = storageResource.postUpload(uuid, fileUpload.getFile().getName(), processTimeout);
if (status != null) {
responseContent.append(status);
storageResource.updateStateMapWithError(uuid, status);
return HttpResponseStatus.INTERNAL_SERVER_ERROR;
} else {
responseContent.append("upload successful.");
return HttpResponseStatus.OK;
}
}
}
} finally {
data.release();
}
}
}
responseContent.append("received entity is not a file");
return HttpResponseStatus.UNPROCESSABLE_ENTITY;
}