Package org.myphotodiary.json

Examples of org.myphotodiary.json.JsonQueryData

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   *      response)
   */
  protected void doGet(HttpServletRequest request,
      HttpServletResponse response) throws ServletException, IOException {
    getServletContext().log("-> QuerySvr.doGet()");
    JsonQueryData queryData = null;
    try {
      queryData = JsonQueryData.decode(request.getInputStream());
    } catch (Exception ex) {
      getServletContext().log("Cannot get query parameters", ex);
      response.setStatus(HttpServletResponse.SC_BAD_REQUEST);
      return;
    }

    EntityManager em = ModelFactory.getEntityManager();
    try {
      List<Image> images = null;
      // Prepare dynamic query string
      String queryString;
      String attributes[] = queryData.getAttributes();
      int attributeNbr = (attributes.length > maxAttributeNbr ? maxAttributeNbr
          : attributes.length);
      // Pickup query string start
      queryString = QUERIES[attributeNbr];
      int paramIx = attributeNbr;
      // append rating query
      if (queryData.minRating >= 0) {
        if (paramIx == 0)
          queryString += WHERE_RATING_QUERY + (++paramIx);
        else
          queryString += AND_RATING_QUERY + (++paramIx);
      }
      // append from date query
      if (queryData.getFromDate() != null) {
        if (paramIx == 0)
          queryString += WHERE_FROM_QUERY + (++paramIx);
        else
          queryString += AND_FROM_QUERY + (++paramIx);
      }
      // append to date query
      if (queryData.getToDate() != null) {
        if (paramIx == 0)
          queryString += WHERE_TO_QUERY + (++paramIx);
        else
          queryString += AND_TO_QUERY + (++paramIx);
      }

      getServletContext().log("Query string: " + queryString);
      // Pass parameters to query
      paramIx = 0;
      try {
        TypedQuery<Image> query = em.createQuery(queryString,
            Image.class);
        for (String attribute : attributes) {
          query.setParameter(++paramIx, attribute);
        }
        if (queryData.minRating >= 0) {
          query.setParameter(++paramIx, queryData.minRating);
        }
        if (queryData.getFromDate() != null) {
          query.setParameter(++paramIx, queryData.getFromDate());
        }
        if (queryData.getToDate() != null) {
          query.setParameter(++paramIx, queryData.getToDate());
        }
        if (queryData.getMaxQueryLength() != null) {
          query.setMaxResults(queryData.getMaxQueryLength());
        }
        images = query.getResultList();
      } catch (NoResultException ex) {
        getServletContext().log("No image found: ", ex);
        // create an empty list
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   *      response)
   */
  protected void doGet(HttpServletRequest request,
      HttpServletResponse response) throws ServletException, IOException {
    getServletContext().log("-> QuerySvr.doGet()");
    JsonQueryData queryData = null;
    try {
      queryData = JsonQueryData.decode(request.getInputStream());
    } catch (Exception ex) {
      getServletContext().log("Cannot get query parameters", ex);
      response.setStatus(HttpServletResponse.SC_BAD_REQUEST);
      return;
    }

    EntityManager em = ModelFactory.getEntityManager();
    EntityTransaction tx = null;
    try {
      tx = em.getTransaction();
      tx.begin();
      List<Image> images = null;
      // Prepare dynamic query string
      String queryString;
      String attributes[] = queryData.getAttributes();
      int attributeNbr = (attributes.length > maxAttributeNbr ? maxAttributeNbr
          : attributes.length);
      // Pickup query string start
      queryString = QUERIES[attributeNbr];
      int paramIx = attributeNbr;
      // append rating query
      if (queryData.minRating >= 0) {
        if (paramIx == 0)
          queryString += WHERE_RATING_QUERY + (++paramIx);
        else
          queryString += AND_RATING_QUERY + (++paramIx);
      }
      // append from date query
      if (queryData.getFromDate() != null) {
        if (paramIx == 0)
          queryString += WHERE_FROM_QUERY + (++paramIx);
        else
          queryString += AND_FROM_QUERY + (++paramIx);
      }
      // append to date query
      if (queryData.getToDate() != null) {
        if (paramIx == 0)
          queryString += WHERE_TO_QUERY + (++paramIx);
        else
          queryString += AND_TO_QUERY + (++paramIx);
      }

      getServletContext().log("Query string: " + queryString);
      // Pass parameters to query
      paramIx = 0;
      try {
        TypedQuery<Image> query = em.createQuery(queryString,
            Image.class);
        for (String attribute : attributes) {
          query.setParameter(++paramIx, attribute);
        }
        if (queryData.minRating >= 0) {
          query.setParameter(++paramIx, queryData.minRating);
        }
        if (queryData.getFromDate() != null) {
          query.setParameter(++paramIx, queryData.getFromDate());
        }
        if (queryData.getToDate() != null) {
          query.setParameter(++paramIx, queryData.getToDate());
        }
        if (queryData.getMaxQueryLength() != null) {
          query.setMaxResults(queryData.getMaxQueryLength());
        }
        images = query.getResultList();
      } catch (NoResultException ex) {
        getServletContext().log("No image found: ", ex);
        // create an empty list
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   *      response)
   */
  protected void doGet(HttpServletRequest request,
      HttpServletResponse response) throws ServletException, IOException {
    getServletContext().log("-> QuerySvr.doGet()");
    JsonQueryData queryData = null;
    try {
      queryData = JsonQueryData.decode(request.getInputStream());
    } catch (Exception ex) {
      getServletContext().log("Cannot get query parameters", ex);
      response.setStatus(HttpServletResponse.SC_BAD_REQUEST);
      return;
    }

    EntityManager em = ModelFactory.getEntityManager();
    try {
      List<Image> images = null;
      // Prepare dynamic query string
      String queryString;
      String attributes[] = queryData.getAttributes();
      int attributeNbr = (attributes.length > maxAttributeNbr ? maxAttributeNbr
          : attributes.length);
      // Pickup query string start
      queryString = QUERIES[attributeNbr];
      int paramIx = attributeNbr;
      // append rating query
      if (queryData.minRating >= 0) {
        if (paramIx == 0)
          queryString += WHERE_RATING_QUERY + (++paramIx);
        else
          queryString += AND_RATING_QUERY + (++paramIx);
      }
      // append from date query
      if (queryData.getFromDate() != null) {
        if (paramIx == 0)
          queryString += WHERE_FROM_QUERY + (++paramIx);
        else
          queryString += AND_FROM_QUERY + (++paramIx);
      }
      // append to date query
      if (queryData.getToDate() != null) {
        if (paramIx == 0)
          queryString += WHERE_TO_QUERY + (++paramIx);
        else
          queryString += AND_TO_QUERY + (++paramIx);
      }

      getServletContext().log("Query string: " + queryString);
      // Pass parameters to query
      paramIx = 0;
      try {
        TypedQuery<Image> query = em.createQuery(queryString,
            Image.class);
        for (String attribute : attributes) {
          query.setParameter(++paramIx, attribute);
        }
        if (queryData.minRating >= 0) {
          query.setParameter(++paramIx, queryData.minRating);
        }
        if (queryData.getFromDate() != null) {
          query.setParameter(++paramIx, queryData.getFromDate());
        }
        if (queryData.getToDate() != null) {
          query.setParameter(++paramIx, queryData.getToDate());
        }
        if (queryData.getMaxQueryLength() != null) {
          query.setMaxResults(queryData.getMaxQueryLength());
        }
        images = query.getResultList();
      } catch (NoResultException ex) {
        getServletContext().log("No image found: ", ex);
        // create an empty list
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Related Classes of org.myphotodiary.json.JsonQueryData

  • org.myphotodiary.svr.QuerySvr
  • java.sql.Date
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