src/main/java/com/android/vts/servlet/ShowReleaseServlet.java

/*
 * Copyright (c) 2016 Google Inc. All Rights Reserved.
 *
 * 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 com.android.vts.servlet;

import com.android.vts.entity.TestEntity;
import com.android.vts.entity.TestPlanEntity;
import com.android.vts.entity.UserFavoriteEntity;
import com.google.appengine.api.datastore.DatastoreService;
import com.google.appengine.api.datastore.DatastoreServiceFactory;
import com.google.appengine.api.datastore.Entity;
import com.google.appengine.api.datastore.Key;
import com.google.appengine.api.datastore.KeyFactory;
import com.google.appengine.api.datastore.PropertyProjection;
import com.google.appengine.api.datastore.Query;
import com.google.appengine.api.datastore.Query.Filter;
import com.google.appengine.api.datastore.Query.FilterOperator;
import com.google.appengine.api.datastore.Query.FilterPredicate;
import com.google.appengine.api.users.User;
import com.google.appengine.api.users.UserService;
import com.google.appengine.api.users.UserServiceFactory;
import com.google.gson.Gson;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Collections;
import java.util.HashMap;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.logging.Level;
import javax.servlet.RequestDispatcher;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/** Represents the servlet that is invoked on loading the release page. */
public class ShowReleaseServlet extends BaseServlet {
    private static final String RELEASE_JSP = "WEB-INF/jsp/show_release.jsp";

    @Override
    public PageType getNavParentType() {
        return PageType.RELEASE;
    }

    @Override
    public List<Page> getBreadcrumbLinks(HttpServletRequest request) {
        return null;
    }

    @Override
    public void doGetHandler(HttpServletRequest request, HttpServletResponse response)
            throws IOException {
        UserService userService = UserServiceFactory.getUserService();
        User currentUser = userService.getCurrentUser();
        RequestDispatcher dispatcher = null;
        DatastoreService datastore = DatastoreServiceFactory.getDatastoreService();

        Set<String> planSet = new HashSet<>();

        Query q = new Query(TestPlanEntity.KIND).setKeysOnly();
        for (Entity testPlanEntity : datastore.prepare(q).asIterable()) {
            planSet.add(testPlanEntity.getKey().getName());
        }

        List<String> plans = new ArrayList<>(planSet);
        Collections.sort(plans);

        response.setStatus(HttpServletResponse.SC_OK);
        request.setAttribute("planNames", plans);
        dispatcher = request.getRequestDispatcher(RELEASE_JSP);
        try {
            dispatcher.forward(request, response);
        } catch (ServletException e) {
            logger.log(Level.SEVERE, "Servlet Excpetion caught : ", e);
        }
    }
}