Examples with WebMessage org.hisp.dhis.dxf2.webmessage.WebMessage used on opensource projects

Example 46 with WebMessage

use of org.hisp.dhis.dxf2.webmessage.WebMessage in project dhis2-core by dhis2.

the class DataValueController method getDataValueFile.

// ---------------------------------------------------------------------
// GET file
// ---------------------------------------------------------------------
@RequestMapping(value = "/files", method = RequestMethod.GET)
public void getDataValueFile(@RequestParam String de, @RequestParam(required = false) String co, @RequestParam(required = false) String cc, @RequestParam(required = false) String cp, @RequestParam String pe, @RequestParam String ou, HttpServletResponse response, HttpServletRequest request) throws WebMessageException {
    // ---------------------------------------------------------------------
    // Input validation
    // ---------------------------------------------------------------------
    DataElement dataElement = getAndValidateDataElement(de);
    if (!dataElement.isFileType()) {
        throw new WebMessageException(WebMessageUtils.conflict("DataElement must be of type file"));
    }
    DataElementCategoryOptionCombo categoryOptionCombo = getAndValidateCategoryOptionCombo(co, false);
    DataElementCategoryOptionCombo attributeOptionCombo = getAndValidateAttributeOptionCombo(cc, cp);
    Period period = getAndValidatePeriod(pe);
    OrganisationUnit organisationUnit = getAndValidateOrganisationUnit(ou);
    // ---------------------------------------------------------------------
    // Get data value
    // ---------------------------------------------------------------------
    DataValue dataValue = dataValueService.getDataValue(dataElement, period, organisationUnit, categoryOptionCombo, attributeOptionCombo);
    if (dataValue == null) {
        throw new WebMessageException(WebMessageUtils.conflict("Data value does not exist"));
    }
    // ---------------------------------------------------------------------
    // Get file resource
    // ---------------------------------------------------------------------
    String uid = dataValue.getValue();
    FileResource fileResource = fileResourceService.getFileResource(uid);
    if (fileResource == null || fileResource.getDomain() != FileResourceDomain.DATA_VALUE) {
        throw new WebMessageException(WebMessageUtils.notFound("A data value file resource with id " + uid + " does not exist."));
    }
    FileResourceStorageStatus storageStatus = fileResource.getStorageStatus();
    if (storageStatus != FileResourceStorageStatus.STORED) {
        // Special case:
        //  The FileResource exists and has been tied to this DataValue, however, the underlying file
        //  content is still not stored to the (most likely external) file store provider.
        // HTTP 409, for lack of a more suitable status code
        WebMessage webMessage = WebMessageUtils.conflict("The content is being processed and is not available yet. Try again later.", "The content requested is in transit to the file store and will be available at a later time.");
        webMessage.setResponse(new FileResourceWebMessageResponse(fileResource));
        throw new WebMessageException(webMessage);
    }
    ByteSource content = fileResourceService.getFileResourceContent(fileResource);
    if (content == null) {
        throw new WebMessageException(WebMessageUtils.notFound("The referenced file could not be found"));
    }
    // ---------------------------------------------------------------------
    // Attempt to build signed URL request for content and redirect
    // ---------------------------------------------------------------------
    URI signedGetUri = fileResourceService.getSignedGetFileResourceContentUri(uid);
    if (signedGetUri != null) {
        response.setStatus(HttpServletResponse.SC_TEMPORARY_REDIRECT);
        response.setHeader(HttpHeaders.LOCATION, signedGetUri.toASCIIString());
        return;
    }
    // ---------------------------------------------------------------------
    // Build response and return
    // ---------------------------------------------------------------------
    response.setContentType(fileResource.getContentType());
    response.setContentLength(new Long(fileResource.getContentLength()).intValue());
    response.setHeader(HttpHeaders.CONTENT_DISPOSITION, "filename=" + fileResource.getName());
    // ---------------------------------------------------------------------
    // Request signing is not available, stream content back to client
    // ---------------------------------------------------------------------
    InputStream inputStream = null;
    try {
        inputStream = content.openStream();
        IOUtils.copy(inputStream, response.getOutputStream());
    } catch (IOException e) {
        throw new WebMessageException(WebMessageUtils.error("Failed fetching the file from storage", "There was an exception when trying to fetch the file from the storage backend. " + "Depending on the provider the root cause could be network or file system related."));
    } finally {
        IOUtils.closeQuietly(inputStream);
    }
}

Example 47 with WebMessage

use of org.hisp.dhis.dxf2.webmessage.WebMessage in project dhis2-core by dhis2.

the class FileResourceController method saveFileResource.

@RequestMapping(method = RequestMethod.POST)
@ResponseBody
public WebMessage saveFileResource(@RequestParam MultipartFile file) throws WebMessageException, IOException {
    String filename = StringUtils.defaultIfBlank(FilenameUtils.getName(file.getOriginalFilename()), DEFAULT_FILENAME);
    String contentType = file.getContentType();
    contentType = isValidContentType(contentType) ? contentType : DEFAULT_CONTENT_TYPE;
    long contentLength = file.getSize();
    if (contentLength <= 0) {
        throw new WebMessageException(WebMessageUtils.conflict("Could not read file or file is empty."));
    }
    ByteSource bytes = new MultipartFileByteSource(file);
    String contentMd5 = bytes.hash(Hashing.md5()).toString();
    FileResource fileResource = new FileResource(filename, contentType, contentLength, contentMd5, FileResourceDomain.DATA_VALUE);
    fileResource.setAssigned(false);
    fileResource.setCreated(new Date());
    fileResource.setUser(currentUserService.getCurrentUser());
    File tmpFile = toTempFile(file);
    String uid = fileResourceService.saveFileResource(fileResource, tmpFile);
    if (uid == null) {
        throw new WebMessageException(WebMessageUtils.error("Saving the file failed."));
    }
    WebMessage webMessage = new WebMessage(Status.OK, HttpStatus.ACCEPTED);
    webMessage.setResponse(new FileResourceWebMessageResponse(fileResource));
    return webMessage;
}

Example 48 with WebMessage

use of org.hisp.dhis.dxf2.webmessage.WebMessage in project dhis2-core by dhis2.

the class CrudControllerAdvice method handleMetadataImportConflictException.

@ExceptionHandler(MetadataImportConflictException.class)
public void handleMetadataImportConflictException(MetadataImportConflictException conflictException, HttpServletResponse response, HttpServletRequest request) {
    if (conflictException.getMetadataSyncSummary() == null) {
        webMessageService.send(WebMessageUtils.conflict(conflictException.getMessage()), response, request);
    } else {
        WebMessage message = new WebMessage(Status.ERROR, HttpStatus.CONFLICT);
        message.setResponse(conflictException.getMetadataSyncSummary());
        webMessageService.send(message, response, request);
    }
}

Example 49 with WebMessage

use of org.hisp.dhis.dxf2.webmessage.WebMessage in project dhis2-core by dhis2.

the class AbstractCrudController method postObject.

protected final WebMessage postObject(ObjectReport objectReport) {
    WebMessage webMessage = objectReport(objectReport);
    if (objectReport != null && webMessage.getStatus() == Status.OK) {
        webMessage.setHttpStatus(HttpStatus.CREATED);
        webMessage.setLocation(getSchema().getRelativeApiEndpoint() + "/" + objectReport.getUid());
        T entity = manager.get(getEntityClass(), objectReport.getUid());
        postCreateEntity(entity);
    } else {
        webMessage.setStatus(Status.ERROR);
    }
    return webMessage;
}

Example 50 with WebMessage

use of org.hisp.dhis.dxf2.webmessage.WebMessage in project dhis2-core by dhis2.

the class AbstractCrudController method addCollectionItem.

@PostMapping(value = "/{uid}/{property}/{itemId}")
@ResponseStatus(HttpStatus.OK)
@ResponseBody
public WebMessage addCollectionItem(@PathVariable("uid") String pvUid, @PathVariable("property") String pvProperty, @PathVariable("itemId") String pvItemId, HttpServletResponse response) throws Exception {
    List<T> objects = getEntity(pvUid);
    if (objects.isEmpty()) {
        throw new WebMessageException(notFound(getEntityClass(), pvUid));
    }
    T object = objects.get(0);
    IdentifiableObjects items = new IdentifiableObjects();
    items.setAdditions(singletonList(new BaseIdentifiableObject(pvItemId, "", "")));
    preUpdateItems(object, items);
    TypeReport report = collectionService.addCollectionItems(object, pvProperty, items.getIdentifiableObjects());
    postUpdateItems(object, items);
    return typeReport(report);
}