示例#1
0
  /**
   * Perform a deposit, using the supplied SWORD Deposit object.
   *
   * @param deposit
   * @throws SWORDErrorException
   * @throws DSpaceSWORDException
   */
  public DepositResult doDeposit(Deposit deposit) throws SWORDErrorException, DSpaceSWORDException {
    // get the things out of the service that we need
    Context context = swordService.getContext();
    SWORDConfiguration swordConfig = swordService.getSwordConfig();
    SWORDUrlManager urlManager = swordService.getUrlManager();

    // FIXME: the spec is unclear what to do in this situation.  I'm going
    // the throw a 415 (ERROR_CONTENT) until further notice
    //
    // determine if this is an acceptable file format
    if (!swordConfig.isAcceptableContentType(context, deposit.getContentType(), collection)) {
      log.error(
          "Unacceptable content type detected: "
              + deposit.getContentType()
              + " for collection "
              + collection.getID());
      throw new SWORDErrorException(
          ErrorCodes.ERROR_CONTENT,
          "Unacceptable content type in deposit request: " + deposit.getContentType());
    }

    // determine if this is an acceptable packaging type for the deposit
    // if not, we throw a 415 HTTP error (Unsupported Media Type, ERROR_CONTENT)
    if (!swordConfig.isSupportedMediaType(deposit.getPackaging(), this.collection)) {
      log.error(
          "Unacceptable packaging type detected: "
              + deposit.getPackaging()
              + "for collection"
              + collection.getID());
      throw new SWORDErrorException(
          ErrorCodes.ERROR_CONTENT,
          "Unacceptable packaging type in deposit request: " + deposit.getPackaging());
    }

    // Obtain the relevant ingester from the factory
    SWORDIngester si = SWORDIngesterFactory.getInstance(context, deposit, collection);
    swordService.message("Loaded ingester: " + si.getClass().getName());

    // do the deposit
    DepositResult result = si.ingest(swordService, deposit, collection);
    swordService.message("Archive ingest completed successfully");

    // if there's an item availalble, and we want to keep the original
    // then do that
    try {
      if (swordConfig.isKeepOriginal()) {
        swordService.message(
            "DSpace will store an original copy of the deposit, "
                + "as well as ingesting the item into the archive");

        // in order to be allowed to add the file back to the item, we need to ignore authorisations
        // for a moment
        boolean ignoreAuth = context.ignoreAuthorization();
        context.setIgnoreAuthorization(true);

        String bundleName = ConfigurationManager.getProperty("sword-server", "bundle.name");
        if (bundleName == null || "".equals(bundleName)) {
          bundleName = "SWORD";
        }
        Item item = result.getItem();
        Bundle[] bundles = item.getBundles(bundleName);
        Bundle swordBundle = null;
        if (bundles.length > 0) {
          swordBundle = bundles[0];
        }
        if (swordBundle == null) {
          swordBundle = item.createBundle(bundleName);
        }

        String fn = swordService.getFilename(context, deposit, true);

        Bitstream bitstream;
        FileInputStream fis = null;
        try {
          fis = new FileInputStream(deposit.getFile());
          bitstream = swordBundle.createBitstream(fis);
        } finally {
          if (fis != null) {
            fis.close();
          }
        }

        bitstream.setName(fn);
        bitstream.setDescription("SWORD deposit package");

        BitstreamFormat bf = BitstreamFormat.findByMIMEType(context, deposit.getContentType());
        if (bf != null) {
          bitstream.setFormat(bf);
        }

        bitstream.update();

        swordBundle.update();
        item.update();

        swordService.message(
            "Original package stored as " + fn + ", in item bundle " + swordBundle);

        // now reset the context ignore authorisation
        context.setIgnoreAuthorization(ignoreAuth);

        // set the media link for the created item
        result.setMediaLink(urlManager.getMediaLink(bitstream));
      } else {
        // set the vanilla media link, which doesn't resolve to anything
        result.setMediaLink(urlManager.getBaseMediaLinkUrl());
      }
    } catch (SQLException e) {
      log.error("caught exception: ", e);
      throw new DSpaceSWORDException(e);
    } catch (AuthorizeException e) {
      log.error("caught exception: ", e);
      throw new DSpaceSWORDException(e);
    } catch (FileNotFoundException e) {
      log.error("caught exception: ", e);
      throw new DSpaceSWORDException(e);
    } catch (IOException e) {
      log.error("caught exception: ", e);
      throw new DSpaceSWORDException(e);
    }

    return result;
  }