Package com.google.appengine.api.blobstore

Examples of com.google.appengine.api.blobstore.BlobKey

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  private BlobstoreService blobstoreService = BlobstoreServiceFactory
      .getBlobstoreService();

  public void doGet(HttpServletRequest req, HttpServletResponse res)
      throws IOException {
    BlobKey blobKey = new BlobKey(req.getParameter("key"));
    blobstoreService.serve(blobKey, res);
  }
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  @Override
  public EvaluationResult evaluate(ProcessDataRecord record) {
    EvaluationResult r = ops.get(0).evaluate(record);
   
    if (r.getPayload() instanceof String) {
      BlobKey val = new BlobKey((String) r.getPayload());
      return new EvaluationResult(val, r); 
    } else {
      return r.withWarning(ErrorCode.W140);
    }
  }
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      throws IOException, ServletException {
    String bkey = request.getParameter(PARAM_BLOBKEY);
    if (bkey != null) {
      logger.info("Serving a blobstore file with the key:" + bkey);
      FilesAPIFileItem.getBlobstoreService()
        .serve(new BlobKey(bkey), response);
    } else {
      super.doGet(request, response);
    }
  }
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  }

  @Override
  protected void doGet(HttpServletRequest request, HttpServletResponse response) throws IOException, ServletException {
    if (request.getParameter(PARAM_BLOBKEY) != null) {
      blobstoreService.serve(new BlobKey(request.getParameter(PARAM_BLOBKEY)), response);
    } else if (request.getParameter(PARAM_REDIRECT) != null) {
      perThreadRequest.set(request);
      Map<String, String> stat = new HashMap<String, String>();
      if (request.getParameter(PARAM_MESSAGE) != null) {
        stat.put(TAG_MESSAGE, request.getParameter(PARAM_MESSAGE));
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      name = fileName;
      file = fileService.createNewBlobFile(contentType, fileName);
    }

    public void delete() {
      BlobKey key = getKey();
      if (key != null) {
        blobstoreService.delete(key);
        file = null;
      }
    }
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        file = null;
      }
    }

    public byte[] get() {
      BlobKey key = getKey();
      if (key == null)
        return null;
      return blobstoreService.fetchData(key, 0, getSize() - 1);
    }
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        return null;
      return new FilesAPIOutputStream(fileService, file);
    }

    public long getSize() {
      BlobKey key = getKey();
      if (key == null)
        return 0;
      BlobInfo info = new BlobInfoFactory().loadBlobInfo(key);
      if (info == null)
        return 0;
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        return null;
      return fileService.getBlobKey(file);
    }
   
    public String getKeyString() {
      BlobKey k = getKey();
      return k == null ? null : k.getKeyString();
    }
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    public void doPost(HttpServletRequest req, HttpServletResponse res)
        throws ServletException, IOException {

        java.util.Map<java.lang.String,java.util.List<BlobKey>> keys = blobstoreService.getUploads(req);
       
        BlobKey blobKey = keys.get("myFile").get(0);

        res.sendRedirect("/blobup/listblobs.jsp");
       
    }
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public class Serve extends HttpServlet {
    private BlobstoreService blobstoreService = BlobstoreServiceFactory.getBlobstoreService();

public void doGet(HttpServletRequest req, HttpServletResponse res)
    throws IOException {
        BlobKey blobKey = new BlobKey(req.getParameter("blob-key"));
        blobstoreService.serve(blobKey, res);
    }
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