Examples with FileItemIterator org.apache.commons.fileupload.FileItemIterator used on opensource projects

Example 16 with FileItemIterator

use of org.apache.commons.fileupload.FileItemIterator in project ninja by ninjaframework.

the class UploadController method uploadFinish.

/**
 * This upload method expects a file and simply displays the file in the
 * multipart upload again to the user (in the correct mime encoding).
 *
 * @param context
 * @return
 * @throws Exception
 */
public Result uploadFinish(Context context) throws Exception {
    // we are using a renderable inner class to stream the input again to
    // the user
    Renderable renderable = new Renderable() {

        @Override
        public void render(Context context, Result result) {
            try {
                // make sure the context really is a multipart context...
                if (context.isMultipart()) {
                    // This is the iterator we can use to iterate over the
                    // contents
                    // of the request.
                    FileItemIterator fileItemIterator = context.getFileItemIterator();
                    while (fileItemIterator.hasNext()) {
                        FileItemStream item = fileItemIterator.next();
                        String name = item.getFieldName();
                        InputStream stream = item.openStream();
                        String contentType = item.getContentType();
                        if (contentType != null) {
                            result.contentType(contentType);
                        } else {
                            contentType = mimeTypes.getMimeType(name);
                        }
                        ResponseStreams responseStreams = context.finalizeHeaders(result);
                        if (item.isFormField()) {
                            System.out.println("Form field " + name + " with value " + Streams.asString(stream) + " detected.");
                        } else {
                            System.out.println("File field " + name + " with file name " + item.getName() + " detected.");
                            // Process the input stream
                            ByteStreams.copy(stream, responseStreams.getOutputStream());
                        }
                    }
                }
            } catch (IOException | FileUploadException exception) {
                throw new InternalServerErrorException(exception);
            }
        }
    };
    return new Result(200).render(renderable);
}

Example 17 with FileItemIterator

use of org.apache.commons.fileupload.FileItemIterator in project ninja by ninjaframework.

the class NinjaServletContext method getFileItemIterator.

@Override
public FileItemIterator getFileItemIterator() {
    long maxFileSize = ninjaProperties.getIntegerWithDefault(NinjaConstant.UPLOADS_MAX_FILE_SIZE, -1);
    long maxTotalSize = ninjaProperties.getIntegerWithDefault(NinjaConstant.UPLOADS_MAX_TOTAL_SIZE, -1);
    ServletFileUpload upload = new ServletFileUpload();
    upload.setFileSizeMax(maxFileSize);
    upload.setSizeMax(maxTotalSize);
    FileItemIterator fileItemIterator = null;
    try {
        fileItemIterator = upload.getItemIterator(httpServletRequest);
    } catch (FileUploadException | IOException e) {
        logger.error("Error while trying to process mulitpart file upload", e);
    }
    return fileItemIterator;
}

Example 18 with FileItemIterator

use of org.apache.commons.fileupload.FileItemIterator in project ninja by ninjaframework.

the class NinjaServletContext method processFormFields.

private void processFormFields() {
    if (formFieldsProcessed)
        return;
    formFieldsProcessed = true;
    // return if not multipart
    if (!ServletFileUpload.isMultipartContent(httpServletRequest))
        return;
    // get fileProvider from route method/class, or defaults to an injected one
    // if none injected, then we do not process form fields this way and let the user
    // call classic getFileItemIterator() by himself
    FileProvider fileProvider = null;
    if (route != null) {
        if (fileProvider == null) {
            fileProvider = route.getControllerMethod().getAnnotation(FileProvider.class);
        }
        if (fileProvider == null) {
            fileProvider = route.getControllerClass().getAnnotation(FileProvider.class);
        }
    }
    // get file item provider from file provider or default one
    FileItemProvider fileItemProvider = null;
    if (fileProvider == null) {
        fileItemProvider = injector.getInstance(FileItemProvider.class);
    } else {
        fileItemProvider = injector.getInstance(fileProvider.value());
    }
    if (fileItemProvider instanceof NoFileItemProvider)
        return;
    // Initialize maps and other constants
    ArrayListMultimap<String, String> formMap = ArrayListMultimap.create();
    ArrayListMultimap<String, FileItem> fileMap = ArrayListMultimap.create();
    // Include any query string parameters as part of "formMap"
    final Map<String, String[]> parameterMap = this.httpServletRequest.getParameterMap();
    if (parameterMap != null) {
        parameterMap.forEach((parameter, values) -> {
            for (String value : values) {
                formMap.put(parameter, value);
            }
        });
    }
    // This is the iterator we can use to iterate over the contents of the request.
    try {
        FileItemIterator fileItemIterator = getFileItemIterator();
        while (fileItemIterator.hasNext()) {
            FileItemStream item = fileItemIterator.next();
            if (item.isFormField()) {
                String charset = NinjaConstant.UTF_8;
                String contentType = item.getContentType();
                if (contentType != null) {
                    charset = HttpHeaderUtils.getCharsetOfContentTypeOrUtf8(contentType);
                }
                // save the form field for later use from getParameter
                String value = Streams.asString(item.openStream(), charset);
                formMap.put(item.getFieldName(), value);
            } else {
                // process file as input stream and save for later use in getParameterAsFile or getParameterAsInputStream
                FileItem fileItem = fileItemProvider.create(item);
                fileMap.put(item.getFieldName(), fileItem);
            }
        }
    } catch (FileUploadException | IOException e) {
        throw new RuntimeException("Failed to parse multipart request data", e);
    }
    // convert both multimap<K,V> to map<K,List<V>>
    formFieldsMap = toUnmodifiableMap(formMap);
    fileFieldsMap = toUnmodifiableMap(fileMap);
}

Example 19 with FileItemIterator

use of org.apache.commons.fileupload.FileItemIterator in project ninja by ninjaframework.

the class FileItemProviderImpl2 method init.

protected final void init(final Class<? extends FileItemProvider> fileItemProviderClass) throws IOException, ServletException {
    // default setup for httpServlet request.
    // According to servlet spec the following will be returned:
    when(httpServletRequest.getContextPath()).thenReturn("");
    when(httpServletRequest.getRequestURI()).thenReturn("/");
    when(httpServletRequest.getContentType()).thenReturn("multipart/form-data");
    when(httpServletRequest.getMethod()).thenReturn("POST");
    ninjaProperties = NinjaPropertiesImpl.builder().withMode(NinjaMode.test).build();
    FileItemIterator fileItemIterator = makeFileItemsIterator();
    Injector injector = Guice.createInjector(new AbstractModule() {

        @Override
        protected void configure() {
            bind(NinjaProperties.class).toInstance(ninjaProperties);
            bind(FileItemProvider.class).to(fileItemProviderClass);
        }
    });
    context = new NinjaServletContext(bodyParserEngineManager, flashCookie, ninjaProperties, resultHandler, sessionCookie, validation, injector, new ParamParsers(new HashSet<>())) {

        public FileItemIterator getFileItemIterator() {
            return fileItemIterator;
        }
    };
}

Example 20 with FileItemIterator

use of org.apache.commons.fileupload.FileItemIterator in project stanbol by apache.

the class ContentItemReader method readFrom.

@Override
public ContentItem readFrom(Class<ContentItem> type, Type genericType, Annotation[] annotations, MediaType mediaType, MultivaluedMap<String, String> httpHeaders, InputStream entityStream) throws IOException, WebApplicationException {
    // boolean withMetadata = withMetadata(httpHeaders);
    ContentItem contentItem = null;
    IRI contentItemId = getContentItemId();
    if (log.isTraceEnabled()) {
        // NOTE: enabling TRACE level logging will copy the parsed content
        // into a BYTE array
        log.trace("Parse ContentItem from");
        log.trace("  - MediaType: {}", mediaType);
        log.trace("  - Headers:");
        for (Entry<String, List<String>> header : httpHeaders.entrySet()) {
            log.trace("      {}: {}", header.getKey(), header.getValue());
        }
        byte[] content = IOUtils.toByteArray(entityStream);
        log.trace("content: \n{}", new String(content, "UTF-8"));
        IOUtils.closeQuietly(entityStream);
        entityStream = new ByteArrayInputStream(content);
    }
    Set<String> parsedContentIds = new HashSet<String>();
    if (mediaType.isCompatible(MULTIPART)) {
        log.debug(" - parse Multipart MIME ContentItem");
        // try to read ContentItem from "multipart/from-data"
        Graph metadata = null;
        FileItemIterator fileItemIterator;
        try {
            fileItemIterator = fu.getItemIterator(new MessageBodyReaderContext(entityStream, mediaType));
            while (fileItemIterator.hasNext()) {
                FileItemStream fis = fileItemIterator.next();
                if (fis.getFieldName().equals("metadata")) {
                    if (contentItem != null) {
                        throw new WebApplicationException(Response.status(Response.Status.BAD_REQUEST).entity("The Multipart MIME part with the 'metadata' " + "MUST BE before the MIME part containing the " + "'content'!").build());
                    }
                    // only used if not parsed as query param
                    if (contentItemId == null && fis.getName() != null && !fis.getName().isEmpty()) {
                        contentItemId = new IRI(fis.getName());
                    }
                    metadata = new IndexedGraph();
                    try {
                        getParser().parse(metadata, fis.openStream(), fis.getContentType());
                    } catch (Exception e) {
                        throw new WebApplicationException(e, Response.status(Response.Status.BAD_REQUEST).entity(String.format("Unable to parse Metadata " + "from Multipart MIME part '%s' (" + "contentItem: %s| contentType: %s)", fis.getFieldName(), fis.getName(), fis.getContentType())).build());
                    }
                } else if (fis.getFieldName().equals("content")) {
                    contentItem = createContentItem(contentItemId, metadata, fis, parsedContentIds);
                } else if (fis.getFieldName().equals("properties") || fis.getFieldName().equals(REQUEST_PROPERTIES_URI.getUnicodeString())) {
                    // parse the RequestProperties
                    if (contentItem == null) {
                        throw new WebApplicationException(Response.status(Response.Status.BAD_REQUEST).entity("Multipart MIME parts for " + "Request Properties MUST BE after the " + "MIME parts for 'metadata' AND 'content'").build());
                    }
                    MediaType propMediaType = MediaType.valueOf(fis.getContentType());
                    if (!APPLICATION_JSON_TYPE.isCompatible(propMediaType)) {
                        throw new WebApplicationException(Response.status(Response.Status.BAD_REQUEST).entity("Request Properties (Multipart MIME parts" + "with the name '" + fis.getFieldName() + "') MUST " + "BE encoded as 'appicaltion/json' (encountered: '" + fis.getContentType() + "')!").build());
                    }
                    String propCharset = propMediaType.getParameters().get("charset");
                    if (propCharset == null) {
                        propCharset = "UTF-8";
                    }
                    Map<String, Object> reqProp = ContentItemHelper.initRequestPropertiesContentPart(contentItem);
                    try {
                        reqProp.putAll(toMap(new JSONObject(IOUtils.toString(fis.openStream(), propCharset))));
                    } catch (JSONException e) {
                        throw new WebApplicationException(e, Response.status(Response.Status.BAD_REQUEST).entity("Unable to parse Request Properties from" + "Multipart MIME parts with the name 'properties'!").build());
                    }
                } else {
                    // additional metadata as serialised RDF
                    if (contentItem == null) {
                        throw new WebApplicationException(Response.status(Response.Status.BAD_REQUEST).entity("Multipart MIME parts for additional " + "contentParts MUST BE after the MIME " + "parts for 'metadata' AND 'content'").build());
                    }
                    if (fis.getFieldName() == null || fis.getFieldName().isEmpty()) {
                        throw new WebApplicationException(Response.status(Response.Status.BAD_REQUEST).entity("Multipart MIME parts representing " + "ContentParts for additional RDF metadata" + "MUST define the contentParts URI as" + "'name' of the MIME part!").build());
                    }
                    Graph graph = new IndexedGraph();
                    try {
                        getParser().parse(graph, fis.openStream(), fis.getContentType());
                    } catch (Exception e) {
                        throw new WebApplicationException(e, Response.status(Response.Status.BAD_REQUEST).entity(String.format("Unable to parse RDF " + "for ContentPart '%s' ( contentType: %s)", fis.getName(), fis.getContentType())).build());
                    }
                    IRI contentPartId = new IRI(fis.getFieldName());
                    contentItem.addPart(contentPartId, graph);
                }
            }
            if (contentItem == null) {
                throw new WebApplicationException(Response.status(Response.Status.BAD_REQUEST).entity("The parsed multipart content item does not contain " + "any content. The content is expected to be contained " + "in a MIME part with the name 'content'. This part can " + " be also a 'multipart/alternate' if multiple content " + "parts need to be included in requests.").build());
            }
        } catch (FileUploadException e) {
            throw new WebApplicationException(e, Response.Status.BAD_REQUEST);
        }
    } else {
        // normal content
        ContentItemFactory ciFactory = getContentItemFactory();
        contentItem = ciFactory.createContentItem(contentItemId, new StreamSource(entityStream, mediaType.toString()));
        // add the URI of the main content
        parsedContentIds.add(contentItem.getPartUri(0).getUnicodeString());
    }
    // set the parsed contentIDs to the EnhancementProperties
    Map<String, Object> ep = ContentItemHelper.initRequestPropertiesContentPart(contentItem);
    parseEnhancementPropertiesFromParameters(ep);
    ep.put(PARSED_CONTENT_URIS, Collections.unmodifiableSet(parsedContentIds));
    // STANBOL-660: set the language of the content if explicitly parsed in the request
    String contentLanguage = getContentLanguage();
    if (!StringUtils.isBlank(contentLanguage)) {
        // language codes are case insensitive ... so we convert to lower case
        contentLanguage = contentLanguage.toLowerCase(Locale.ROOT);
        createParsedLanguageAnnotation(contentItem, contentLanguage);
    // previously only the dc:language property was set to the contentItem. However this
    // information is only used as fallback if no Language annotation is present. However
    // if a user explicitly parses the language he expects this language to be used
    // so this was change with STANBOL-1417
    // EnhancementEngineHelper.set(contentItem.getMetadata(), contentItem.getUri(),
    // DC_LANGUAGE, new PlainLiteralImpl(contentLanguage));
    }
    return contentItem;
}