Examples with CloudStorageHelper com.example.getstarted.util.CloudStorageHelper used on opensource projects

Example 1 with CloudStorageHelper

use of com.example.getstarted.util.CloudStorageHelper in project getting-started-java by GoogleCloudPlatform.

the class CreateBookServlet method doPost.

@Override
public void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
    assert ServletFileUpload.isMultipartContent(req);
    CloudStorageHelper storageHelper = (CloudStorageHelper) getServletContext().getAttribute("storageHelper");
    String newImageUrl = null;
    Map<String, String> params = new HashMap<String, String>();
    try {
        FileItemIterator iter = new ServletFileUpload().getItemIterator(req);
        while (iter.hasNext()) {
            FileItemStream item = iter.next();
            if (item.isFormField()) {
                params.put(item.getFieldName(), Streams.asString(item.openStream()));
            } else if (!Strings.isNullOrEmpty(item.getName())) {
                newImageUrl = storageHelper.uploadFile(item, System.getenv("BOOKSHELF_BUCKET"));
            }
        }
    } catch (FileUploadException e) {
        throw new IOException(e);
    }
    String createdByString = "";
    String createdByIdString = "";
    HttpSession session = req.getSession();
    if (session.getAttribute("userEmail") != null) {
        // Does the user have a logged in session?
        createdByString = (String) session.getAttribute("userEmail");
        createdByIdString = (String) session.getAttribute("userId");
    }
    Book book = new Book.Builder().author(params.get("author")).description(params.get("description")).publishedDate(params.get("publishedDate")).title(params.get("title")).imageUrl(null == newImageUrl ? params.get("imageUrl") : newImageUrl).createdBy(createdByString).createdById(createdByIdString).build();
    BookDao dao = (BookDao) this.getServletContext().getAttribute("dao");
    String id = dao.createBook(book);
    logger.log(Level.INFO, "Created book {0}", book);
    resp.sendRedirect("/read?id=" + id);
}

Example 2 with CloudStorageHelper

use of com.example.getstarted.util.CloudStorageHelper in project getting-started-java by GoogleCloudPlatform.

the class UpdateBookServlet method doPost.

@Override
public void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
    BookDao dao = (BookDao) this.getServletContext().getAttribute("dao");
    assert ServletFileUpload.isMultipartContent(req);
    CloudStorageHelper storageHelper = (CloudStorageHelper) getServletContext().getAttribute("storageHelper");
    String newImageUrl = null;
    Map<String, String> params = new HashMap<String, String>();
    try {
        FileItemIterator iter = new ServletFileUpload().getItemIterator(req);
        while (iter.hasNext()) {
            FileItemStream item = iter.next();
            if (item.isFormField()) {
                params.put(item.getFieldName(), Streams.asString(item.openStream()));
            } else if (!Strings.isNullOrEmpty(item.getName())) {
                newImageUrl = storageHelper.uploadFile(item, getServletContext().getInitParameter("bookshelf.bucket"));
            }
        }
    } catch (FileUploadException e) {
        throw new IOException(e);
    }
    try {
        Book oldBook = dao.readBook(Long.decode(params.get("id")));
        Book book = new Book.Builder().author(params.get("author")).description(params.get("description")).publishedDate(params.get("publishedDate")).title(params.get("title")).imageUrl(null == newImageUrl ? params.get("imageUrl") : newImageUrl).id(Long.decode(params.get("id"))).createdBy(oldBook.getCreatedBy()).createdById(oldBook.getCreatedById()).build();
        dao.updateBook(book);
        resp.sendRedirect("/read?id=" + params.get("id"));
    } catch (Exception e) {
        throw new ServletException("Error updating book", e);
    }
}

Example 3 with CloudStorageHelper

use of com.example.getstarted.util.CloudStorageHelper in project getting-started-java by GoogleCloudPlatform.

the class ListBookServlet method init.

@Override
public void init() throws ServletException {
    BookDao dao = null;
    CloudStorageHelper storageHelper = new CloudStorageHelper();
    // Creates the DAO based on the Context Parameters
    String storageType = this.getServletContext().getInitParameter("bookshelf.storageType");
    switch(storageType) {
        case "datastore":
            dao = new DatastoreDao();
            break;
        case "cloudsql":
            try {
                // Use this url when using dev appserver, but connecting to Cloud SQL
                String connect = this.getServletContext().getInitParameter("sql.urlRemote");
                if (connect.contains("localhost")) {
                    // Use this url when using a local mysql server
                    connect = this.getServletContext().getInitParameter("sql.urlLocal");
                } else if (System.getProperty("com.google.appengine.runtime.version").startsWith("Google App Engine/")) {
                    // Use this url when on App Engine, connecting to Cloud SQL.
                    // Uses a special adapter because of the App Engine sandbox.
                    connect = this.getServletContext().getInitParameter("sql.urlRemoteGAE");
                }
                dao = new CloudSqlDao(connect);
            } catch (SQLException e) {
                throw new ServletException("SQL error", e);
            }
            break;
        default:
            throw new IllegalStateException("Invalid storage type. Check if bookshelf.storageType property is set.");
    }
    this.getServletContext().setAttribute("dao", dao);
    this.getServletContext().setAttribute("storageHelper", storageHelper);
    this.getServletContext().setAttribute(// Hide upload when Cloud Storage is not configured.
    "isCloudStorageConfigured", !Strings.isNullOrEmpty(getServletContext().getInitParameter("bookshelf.bucket")));
}