net.incrementalism.tooter.ProfileServlet.java Source code

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Here is the source code for net.incrementalism.tooter.ProfileServlet.java

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/*
 * Copyright 2010 Tim Moore
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package net.incrementalism.tooter;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

import static net.incrementalism.tooter.UserSession.getCurrentUser;
import static org.apache.commons.lang.StringUtils.isBlank;

public class ProfileServlet extends BaseTooterServlet {
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        User currentUser = getCurrentUser(request);
        if (currentUser == null) {
            response.sendError(HttpServletResponse.SC_FORBIDDEN);
            return;
        }

        if (request.getParameter("toot") != null) {
            String tootText = request.getParameter("tootText");
            if (isBlank(tootText)) {
                request.setAttribute("error", "'Toot' must not be empty.");
            } else {
                toot(currentUser, tootText);
            }
        } else if (request.getParameter("follow") != null) {
            String followUserName = request.getParameter("followUserName");
            if (isBlank(followUserName)) {
                request.setAttribute("error", "'Follow' must not be empty.");
            } else {
                try {
                    addFollower(followUserName, currentUser.getUserName());
                } catch (UserNotFoundException e) {
                    request.setAttribute("error", "User '" + e.getUserName() + "' does not exist.");
                }
            }
        }
        displayProfile(currentUser, request, response);
    }

    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        User currentUser = getCurrentUser(request);
        if (currentUser == null) {
            response.sendError(HttpServletResponse.SC_FORBIDDEN);
            return;
        }
        displayProfile(currentUser, request, response);
    }

    private static void displayProfile(User user, HttpServletRequest request, HttpServletResponse response)
            throws IOException, ServletException {
        request.setAttribute("user", user);
        request.setAttribute("following", loadUsersFollowedBy(user.getUserName()));
        request.setAttribute("toots", loadTootsFor(user.getUserName()));
        request.getRequestDispatcher("/profile.jsp").include(request, response);
    }
}