javax.servlet.http.Part#getHeaderNames()源码实例Demo

下面列出了javax.servlet.http.Part#getHeaderNames() 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。

源代码1 项目： spring-analysis-note 文件： StandardMultipartHttpServletRequest.java

@Override
public HttpHeaders getMultipartHeaders(String paramOrFileName) {
	try {
		Part part = getPart(paramOrFileName);
		if (part != null) {
			HttpHeaders headers = new HttpHeaders();
			for (String headerName : part.getHeaderNames()) {
				headers.put(headerName, new ArrayList<>(part.getHeaders(headerName)));
			}
			return headers;
		}
		else {
			return null;
		}
	}
	catch (Throwable ex) {
		throw new MultipartException("Could not access multipart servlet request", ex);
	}
}

源代码2 项目： quarkus-http 文件： MultiPartServlet.java

@Override
protected void doPost(final HttpServletRequest req, final HttpServletResponse resp) throws ServletException, IOException {
    try {
        Collection<Part> parts = req.getParts();
        PrintWriter writer = resp.getWriter();
        writer.println("PARAMS:");
        for (Part part : parts) {
            writer.println("name: " + part.getName());
            writer.println("filename: " + part.getSubmittedFileName());
            writer.println("content-type: " + part.getContentType());
            Collection<String> headerNames = new TreeSet<>(part.getHeaderNames());
            for (String header : headerNames) {
                writer.println(header + ": " + part.getHeader(header));
            }
            writer.println("size: " + part.getSize());
            writer.println("content: " + FileUtils.readFile(part.getInputStream()));
        }
    } catch (Exception e) {
        resp.getWriter().write("EXCEPTION: " + e.getClass());
    }
}

源代码3 项目： java-technology-stack 文件： StandardMultipartHttpServletRequest.java

@Override
public HttpHeaders getMultipartHeaders(String paramOrFileName) {
	try {
		Part part = getPart(paramOrFileName);
		if (part != null) {
			HttpHeaders headers = new HttpHeaders();
			for (String headerName : part.getHeaderNames()) {
				headers.put(headerName, new ArrayList<>(part.getHeaders(headerName)));
			}
			return headers;
		}
		else {
			return null;
		}
	}
	catch (Throwable ex) {
		throw new MultipartException("Could not access multipart servlet request", ex);
	}
}

源代码4 项目： lams 文件： StandardMultipartHttpServletRequest.java

@Override
public HttpHeaders getMultipartHeaders(String paramOrFileName) {
	try {
		Part part = getPart(paramOrFileName);
		if (part != null) {
			HttpHeaders headers = new HttpHeaders();
			for (String headerName : part.getHeaderNames()) {
				headers.put(headerName, new ArrayList<String>(part.getHeaders(headerName)));
			}
			return headers;
		}
		else {
			return null;
		}
	}
	catch (Throwable ex) {
		throw new MultipartException("Could not access multipart servlet request", ex);
	}
}

源代码5 项目： spring4-understanding 文件： StandardMultipartHttpServletRequest.java

@Override
public HttpHeaders getMultipartHeaders(String paramOrFileName) {
	try {
		Part part = getPart(paramOrFileName);
		if (part != null) {
			HttpHeaders headers = new HttpHeaders();
			for (String headerName : part.getHeaderNames()) {
				headers.put(headerName, new ArrayList<String>(part.getHeaders(headerName)));
			}
			return headers;
		}
		else {
			return null;
		}
	}
	catch (Exception ex) {
		throw new MultipartException("Could not access multipart servlet request", ex);
	}
}

源代码6 项目： nifi 文件： ListenHTTPServlet.java

private FlowFile savePartDetailsAsAttributes(final ProcessSession session, final Part part, final FlowFile flowFile, final int sequenceNumber, final int allPartsCount) {
    final Map<String, String> attributes = new HashMap<>();
    for (String headerName : part.getHeaderNames()) {
        final String headerValue = part.getHeader(headerName);
        putAttribute(attributes, "http.headers.multipart." + headerName, headerValue);
    }
    putAttribute(attributes, "http.multipart.size", part.getSize());
    putAttribute(attributes, "http.multipart.content.type", part.getContentType());
    putAttribute(attributes, "http.multipart.name", part.getName());
    putAttribute(attributes, "http.multipart.filename", part.getSubmittedFileName());
    putAttribute(attributes, "http.multipart.fragments.sequence.number", sequenceNumber + 1);
    putAttribute(attributes, "http.multipart.fragments.total.number", allPartsCount);
    return session.putAllAttributes(flowFile, attributes);
}

源代码7 项目： nifi 文件： HandleHttpRequest.java

private FlowFile savePartAttributes(ProcessContext context, ProcessSession session, Part part, FlowFile flowFile, final int i, final int allPartsCount) {
  final Map<String, String> attributes = new HashMap<>();
  for (String headerName : part.getHeaderNames()) {
    final String headerValue = part.getHeader(headerName);
    putAttribute(attributes, "http.headers.multipart." + headerName, headerValue);
  }
  putAttribute(attributes, "http.multipart.size", part.getSize());
  putAttribute(attributes, "http.multipart.content.type", part.getContentType());
  putAttribute(attributes, "http.multipart.name", part.getName());
  putAttribute(attributes, "http.multipart.filename", part.getSubmittedFileName());
  putAttribute(attributes, "http.multipart.fragments.sequence.number", i+1);
  putAttribute(attributes, "http.multipart.fragments.total.number", allPartsCount);
  return session.putAllAttributes(flowFile, attributes);
}

源代码8 项目： portals-pluto 文件： MultipartPortlet.java

@ActionMethod(portletName = "MultipartPortlet")
public void handleDialog(ActionRequest req, ActionResponse resp) throws IOException, PortletException {
   List<String> lines = new ArrayList<String>();
   req.getPortletSession().setAttribute("lines", lines);

   lines.add("handling dialog");
   StringBuilder txt = new StringBuilder(128);

   String clr = req.getActionParameters().getValue("color");
   txt.append("Color: ").append(clr);
   lines.add(txt.toString());
   logger.debug(txt.toString());

   resp.getRenderParameters().setValue("color", clr);

   txt.setLength(0);
   Part part = null;
   try {
      part = req.getPart("file");
   } catch (Throwable t) {}
   
   if ((part != null) && (part.getSubmittedFileName() != null) && 
         (part.getSubmittedFileName().length() > 0)) {
      txt.append("Uploaded file name: ").append(part.getSubmittedFileName());
      txt.append(", part name: ").append(part.getName());
      txt.append(", size: ").append(part.getSize());
      txt.append(", content type: ").append(part.getContentType());
      lines.add(txt.toString());
      logger.debug(txt.toString());
      txt.setLength(0);
      txt.append("Headers: ");
      String sep = "";
      for (String hdrname : part.getHeaderNames()) {
         txt.append(sep).append(hdrname).append("=").append(part.getHeaders(hdrname));
         sep = ", ";
      }
      lines.add(txt.toString());
      logger.debug(txt.toString());

      // Store the file in a temporary location in the webapp where it can be served. 

      try {
         String fn = part.getSubmittedFileName();
         String ct = part.getContentType();
         
         if (ct != null && (ct.equals("text/plain") || ct.matches("image/(?:png|gif|jpg|jpeg)"))) {
            
            String ext = ct.replaceAll("\\w+/", "");
            lines.add("determined extension " + ext + " from content type " + ct);
            File img = getFile();
            if (img.exists()) {
               lines.add("deleting existing temp file: " + img.getCanonicalPath());
               img.delete();
            }
            InputStream is = part.getInputStream();
            Files.copy(is, img.toPath(), StandardCopyOption.REPLACE_EXISTING);
            
         } else {
            lines.add("Bad file type. Must be plain text or image (gif, jpeg, png).");
         }

         resp.getRenderParameters().setValue("fn", fn);
         resp.getRenderParameters().setValue("ct", ct);

      } catch (Exception e) {
         lines.add("Exception doing I/O: " + e.toString());
         
         txt.setLength(0);
         txt.append("Problem getting temp file: " + e.getMessage() + "\n");
         StringWriter sw = new StringWriter();
         PrintWriter pw = new PrintWriter(sw);
         e.printStackTrace(pw);
         pw.flush();
         txt.append(sw.toString());
         logger.warn(txt.toString());
      }
   } else {
      lines.add("file part was null");
   }

}

方法所在类

javax.servlet.http.Part