Ejemplo n.º 1
0
  /**
   * Add Mixin definition.
   *
   * @param representation
   * @return added mixin definition and status
   */
  @Put
  public String putOCCIRequest() {
    // set occi version info
    getServerInfo().setAgent(OcciConfig.getInstance().config.getString("occi.version"));

    LOGGER.debug("Analyzing header information");

    StringBuffer buffer = new StringBuffer();

    Form requestHeaders = (Form) getRequest().getAttributes().get("org.restlet.http.headers");
    LOGGER.info("Request header: " + requestHeaders);

    String categoryCase = OcciCheck.checkCaseSensitivity(requestHeaders.toString()).get("category");
    String[] header;
    // if there is no category in header, its a bad request
    if (requestHeaders.getFirstValue(categoryCase) != null) {
      header = requestHeaders.getFirstValue(categoryCase).split(";");
    } else {
      getResponse().setStatus(Status.CLIENT_ERROR_BAD_REQUEST, buffer.toString());
      return " ";
    }
    String scheme = "";
    for (int i = 0; i < header.length; i++) {
      header[i] = header[i].trim();
      if (header[i].contains("scheme=")) {
        if (header[i].contains("\"")) {
          scheme = header[i].substring(8, header[i].length() - 1);
        } else {
          scheme = header[i].substring(7, header[i].length());
        }
        LOGGER.info("scheme: " + scheme);
      }
    }
    Set<Mixin> related = new HashSet<Mixin>();
    try {
      // iterate through all mixins to find the related
      for (Mixin mixin : Mixin.getMixins()) {
        if (mixin.getScheme().toString() == requestHeaders.getFirstValue("rel")) {
          related.add(mixin);
        }
      }
      String term = header[0];
      String title = header[0];
      LOGGER.debug("term: " + term);
      LOGGER.debug("title: " + title);
      // create new mixin instance
      new Mixin(related, term, title, scheme, null);
      LOGGER.debug("Created mixin");
    } catch (Exception e) {
      getResponse().setStatus(Status.CLIENT_ERROR_NOT_ACCEPTABLE, buffer.toString());
      return "Exception caught " + e.getMessage();
    }
    // access the request headers and get the Accept attribute
    Representation representation =
        OcciCheck.checkContentType(requestHeaders, buffer.append(" "), getResponse());
    getResponse().setEntity(representation);
    // getResponse().setStatus(Status.SUCCESS_OK);
    return " ";
  }
Ejemplo n.º 2
0
  /**
   * Returns all available resources.
   *
   * @return ComputeResource String
   */
  @Get
  public String getOCCIRequest() {
    // set occi version
    getServerInfo().setAgent(OcciConfig.getInstance().config.getString("occi.version"));
    LOGGER.debug("getReference().getLastSegment(): " + getReference().getLastSegment());

    // if there is something behind -, set bad request
    if (!getReference().getLastSegment().equals("-")) {
      getResponse().setStatus(Status.CLIENT_ERROR_BAD_REQUEST);
      return "There are no resources at the query interface.";
    }

    createQueryKinds();
    createQueryLinks();
    createQueryMixins();

    StringBuffer buffer = new StringBuffer();
    /*
     * Print all properties of the kind instance
     */
    for (Kind kind : queryKinds) {
      if (kind != null) {
        buffer.append("Category: " + kind.getTerm() + ";");
        buffer.append(" scheme=\"" + kind.getScheme() + "\";");
        // buffer.append("\r\n");
        buffer.append(" class=\"kind\"");
        buffer.append("\r\n");
        // append related scheme to buffer, if kind has a related kind
        if (kind.getRelated() != null) {
          for (Kind related : kind.getRelated()) {
            if (related != null) {
              buffer.append("\t\t rel=").append(related.getScheme()).append(";\n");
            }
          }
        }
        buffer.append("\t\t attributes=\"");
        if (kind.getAttributes() != null) {
          for (String attribute : kind.getAttributes()) {
            if (attribute != null) {
              buffer.append(attribute).append(" ");
            }
          }
        }
        buffer.append("\";\n");
        buffer.append("\t\t actions=");
        for (String actionName : kind.getActionNames()) {
          if (actionName != null) {
            buffer.append(actionName).append(" ");
          }
        }
        buffer.append(";");
        buffer.append("\r\n");
        buffer.append("\t\t location=/").append(kind.getTerm()).append("/;");
        buffer.append("\r\n");
      }
    }

    /*
     * Print all link properties.
     */
    for (Link link : queryLinks) {
      if (link != null) {
        buffer.append("Category: ").append(link.getKind().getTerm()).append(";");
        buffer.append("\t\t scheme=\"").append(link.getKind().getScheme()).append("\";");
        buffer.append("\r\n");
        buffer.append("\t\t class=\"link\";");
        buffer.append("\r\n");
        // append related scheme to buffer, if kind has a related kind
        if (link.getKind().getRelated() != null) {
          for (Kind related : link.getKind().getRelated()) {
            if (related != null) {
              buffer.append("\t\t rel=").append(related.getScheme()).append(";\n");
            }
          }
        }
        buffer.append("\t\t attributes=\"");
        if (link.getKind().getAttributes() != null) {
          for (String attribute : link.getKind().getAttributes()) {
            if (attribute != null) {
              buffer.append(attribute + " ");
            }
          }
        }
        buffer.append("\";\n");
        buffer.append("\t\t actions=");
        for (String actionName : link.getKind().getActionNames()) {
          if (actionName != null) {
            buffer.append(actionName).append(" ");
          }
        }
        buffer.append(";");
        buffer.append("\r\n");
        buffer.append("\t\t location=/").append(link.getKind().getTerm()).append("/;");
        buffer.append("\r\n");
      }
    }

    /*
     * Print all properties of the mixin instance
     */

    if (ipNetworkInterface != null) {
      buffer.append("Category: ").append(ipNetworkInterface.getTitle()).append(";");
      buffer.append("\t\t scheme=\"").append(ipNetworkInterface.getScheme()).append("\";");
      buffer.append("\r\n");
      buffer.append("\t\t class=\"mixin\"");
      buffer.append("\r\n");
      // append related scheme to buffer, if kind has a related
      // kind
      if (ipNetworkInterface.getRelated() != null) {
        for (Mixin related : ipNetworkInterface.getRelated()) {
          if (related != null) {
            buffer.append("\t\t rel=").append(related.getScheme()).append(";\n");
          }
        }
      }
      buffer.append("\t\t attributes=\"");
      if (ipNetworkInterface.getAttributes() != null) {
        for (String attribute : ipNetworkInterface.getAttributes()) {
          if (attribute != null) {
            buffer.append(attribute).append(" ");
          }
        }
      }
      buffer.append("\";\n");
      buffer.append("\t\t location=/").append(ipNetworkInterface.getTerm()).append("/;");
      buffer.append("\r\n");
    }

    /*
     * Print all properties of the mixin instance
     */
    for (Mixin mixin : Mixin.getMixins()) {
      if (mixin != null && !mixin.getTerm().equals("ipnetwork")) {
        buffer.append("Category: " + mixin.getTitle()).append(";");

        buffer.append("\r\n");
        buffer.append("\t\t class=\"mixin\"");
        buffer.append("\r\n");
        // append related scheme to buffer, if kind has a related
        // kind
        if (mixin.getRelated() != null) {
          for (Mixin related : mixin.getRelated()) {
            if (related != null) {
              buffer.append("\t\t rel=").append(related.getScheme()).append(";\n");
            }
          }
        }
        buffer.append("\t\t scheme=").append(mixin.getScheme()).append(";");
        buffer.append("\r\n");
        buffer.append("\t\t location=/").append(mixin.getTerm()).append("/;");
        buffer.append("\r\n");
      }
    }
    buffer.append("\r\n");

    // Generate all action names list
    Network.generateActionNames();
    Storage.generateActionNames();
    Compute.generateActionNames();

    /*
     * Print all action names.
     */
    for (String computeAction : Compute.getActionNames()) {
      if (computeAction.contains("#")) {
        buffer
            .append("Category: " + computeAction.substring(computeAction.lastIndexOf("#") + 1))
            .append(";");
      } else {
        buffer.append("Cagegory: action;");
      }
      buffer
          .append(" scheme=\"" + computeAction.substring(0, computeAction.lastIndexOf("#") + 1))
          .append("\"\n");

      if (computeAction.contains("#start")) {
        // buffer.append(" attributes: ");
      } else if (computeAction.contains("#stop")) {
        // buffer.append(" attributes: "
        // + StopAction.getStopAttributesAsString() + " ");
      } else if (computeAction.contains("#restart")) {
        // buffer.append(" attributes: "
        // + RestartAction.getRestartAttributesAsString()
        // + " ");
      } else if (computeAction.contains("#suspend")) {
        // buffer.append(" attributes: "
        // + SuspendAction.getSuspendAttributesAsString()
        // + " ");
      }
    }

    for (String storageAction : Storage.getActionNames()) {
      if (storageAction.contains("#")) {
        buffer
            .append("Category: ")
            .append(storageAction.substring(storageAction.lastIndexOf("#") + 1))
            .append(";");
      } else {
        buffer.append("Cagegory: action;");
      }
      buffer
          .append("\t\t scheme=\"")
          .append(storageAction.substring(0, storageAction.lastIndexOf("#") + 1))
          .append("\"\n");
    }

    for (String networkAction : Network.getActionNames()) {
      if (networkAction.contains("#")) {
        buffer
            .append("Category: " + networkAction.substring(networkAction.lastIndexOf("#") + 1))
            .append(";");
      } else {
        buffer.append("Cagegory: action;");
      }
      buffer
          .append("\t\t scheme=\"" + networkAction.substring(0, networkAction.lastIndexOf("#") + 1))
          .append("\"\n");
    }

    // access the request headers and get the Accept attribute of the
    // Content-Type
    Form requestHeaders = (Form) getRequest().getAttributes().get("org.restlet.http.headers");
    Representation representation =
        OcciCheck.checkContentType(requestHeaders, buffer, getResponse());
    LOGGER.debug("Raw Request headers: " + requestHeaders.toString());

    /*
     * if content type equals text/occi, render query information in the
     * header and NOT in the body
     */
    if (representation.getMediaType().toString().equals("text/occi")) {
      // Generate the header rendering if media-type equals text/occi
      OcciCheck occiCheck = new OcciCheck();
      occiCheck.setHeaderRendering((LinkedList<Kind>) queryKinds);
      getResponse().setEntity(representation);
      return " ";
    }
    // add content type and status to client response
    getResponse().setEntity(representation);
    return " ";
  }
Ejemplo n.º 3
0
  /**
   * Delete a existing mixin definition. If it does not exist 404 Not Found Exception.
   *
   * @param representation
   * @return removed mixin defintion and status
   */
  @Delete
  public String deleteOCCIRequest(Representation representation) {
    // set occi version info
    getServerInfo().setAgent(OcciConfig.getInstance().config.getString("occi.version"));

    StringBuffer buffer = new StringBuffer();
    // save header information
    Form requestHeaders = (Form) getRequest().getAttributes().get("org.restlet.http.headers");

    String requestCategory = "";
    String categoryCase = OcciCheck.checkCaseSensitivity(requestHeaders.toString()).get("category");
    // match category and Category

    if (requestHeaders.getFirstValue(categoryCase) != null) {
      // get header values
      requestCategory = requestHeaders.getFirstValue(categoryCase);
    } else {
      // set status code bad request
      getResponse().setStatus(Status.CLIENT_ERROR_BAD_REQUEST);
      return " ";
    }
    requestCategory = OcciCheck.addWhitespaceAfterSemicolonAndTrim(requestCategory);

    // print header information
    LOGGER.debug("Request Header: " + requestCategory);
    StringTokenizer categoryList = new StringTokenizer(requestCategory);
    HashMap<String, Object> categoryMap = new HashMap<String, Object>();
    // fill category map with header information
    while (categoryList.hasMoreTokens()) {
      // store header information in seperate array fields
      String[] temp = categoryList.nextToken().split("\\=");
      LOGGER.debug("Category List: " + temp[0]);
      if (temp.length > 1) {
        LOGGER.debug("Category List: " + temp[0] + "\t" + temp[1]);
        if (temp[0] != null && temp[1] != null) {
          // remove leading, trailing whitespaces and add whitespaces
          // between semicolons
          temp[0] = OcciCheck.addWhitespaceAfterSemicolonAndTrim(temp[0]);
          temp[1] = OcciCheck.addWhitespaceAfterSemicolonAndTrim(temp[1]);
          categoryMap.put(temp[0], temp[1]);
        }
      } else {
        if (temp[0].contains(";")) {
          temp[0] = temp[0].replace(";", "");
        }
        categoryMap.put(categoryCase, temp[0]);
      }
    }
    // iterate through all mixin instances
    for (Mixin mixin : Mixin.getMixins()) {
      // if the request parameter match a existing mixin definition,
      // delete the definition
      LOGGER.info(
          "Category Map: " + categoryMap.get(categoryCase) + "\t mixin title: " + mixin.getTitle());
      if (mixin.getTitle().equals(categoryMap.get(categoryCase))) {
        Mixin.getMixins().remove(mixin);
        mixin = null;
        // access the request headers and get the Accept attribute
        representation =
            OcciCheck.checkContentType(requestHeaders, buffer.append(" "), getResponse());
        // set representation
        getResponse().setEntity(representation);
        // getResponse().setStatus(Status.SUCCESS_OK,
        // buffer.toString());
        return " ";
      }
    }
    buffer.append("Mixin definition not found");
    getResponse().setStatus(Status.CLIENT_ERROR_PRECONDITION_FAILED, buffer.toString());
    return buffer.toString();
  }