com.mkyong.controller.PlusSampleServlet.java Source code

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Here is the source code for com.mkyong.controller.PlusSampleServlet.java

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/*
 * Copyright (c) 2013 Google Inc.
 *
 * 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.mkyong.controller;

import java.io.IOException;
import java.io.PrintWriter;
import java.util.List;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import com.google.api.client.auth.oauth2.Credential;
import com.google.api.client.googleapis.auth.oauth2.GoogleAuthorizationCodeFlow;
import com.google.api.client.util.DateTime;
import com.google.api.services.calendar.model.CalendarList;
import com.google.api.services.calendar.model.Event;
import com.google.api.services.calendar.model.Events;

public class PlusSampleServlet extends HttpServlet {

    private static final long serialVersionUID = 1;

    @Override
    public void doGet(HttpServletRequest req, HttpServletResponse resp) throws IOException, ServletException {
        // Check if we have stored credentials using the Authorization Flow.
        // Note that we only check if there are stored credentials, but not if they are still valid.
        // The user may have revoked authorization, in which case we would need to go through the
        // authorization flow again, which this implementation does not handle.
        //----GoogleAuthorizationCodeFlow authFlow = Utils.initializeFlow();
        //Prafull
        GoogleAuthorizationCodeFlow authFlowCalendar = Utils.initializeFlowCalendar();

        //----Credential credential = authFlow.loadCredential(Utils.getUserId(req));
        //Prafull
        Credential credential_calendar = authFlowCalendar.loadCredential(Utils.getUserId(req));
        /* ----
        if (credential == null) {
          // If we don't have a token in store, redirect to authorization screen.
          resp.sendRedirect(
              authFlow.newAuthorizationUrl().setRedirectUri(Utils.getRedirectUri(req)).build());
          return;
        }
        ----*/
        //Prafull
        if (credential_calendar == null) {
            // If we don't have a token in store, redirect to authorization screen.
            resp.sendRedirect(
                    authFlowCalendar.newAuthorizationUrl().setRedirectUri(Utils.getRedirectUri(req)).build());
            return;
        }

        // If we do have stored credentials, build the Plus object using them.

        //--- Plus plus = new Plus.Builder(
        //=---Utils.HTTP_TRANSPORT, Utils.JSON_FACTORY, credential).setApplicationName("API Demo").build();

        com.google.api.services.calendar.Calendar service = new com.google.api.services.calendar.Calendar.Builder(
                Utils.HTTP_TRANSPORT_CAL, Utils.JSON_FACTORY_CAL, credential_calendar)
                        .setApplicationName("API Demo").build();

        // Make the API call

        //Person profile = plus.people().get("me").execute();
        // Send the results as the response

        // create a response writer to print on the JSP page
        PrintWriter respWriter = resp.getWriter();
        resp.setStatus(200);
        resp.setContentType("text/html");
        respWriter.println("<h1>HELLO WORLD </h1>");

        //respWriter.println("<img src='" + profile.getImage().getUrl() + "'>");
        //respWriter.println("<a href='" + profile.getUrl() + "'>" + profile.getDisplayName() + "</a>");

        DateTime now = new DateTime(System.currentTimeMillis());
        respWriter.println("<h2>" + service.getApplicationName() + "</h2>");

        CalendarList feed = service.calendarList().list().execute();
        Events even = service.events().list("primary").setMaxResults(10).setTimeMin(now).setOrderBy("startTime")
                .setSingleEvents(true).execute();

        com.google.api.services.calendar.model.Events events = service.events().list("primary").setMaxResults(10)
                .setTimeMin(now).setOrderBy("startTime").setSingleEvents(true).execute();

        List<Event> items = events.getItems();
        if (items.size() == 0) {
            respWriter.println("No upcoming events found.");
        } else {
            respWriter.println("Upcoming events");
            for (Event event : items) {
                DateTime start = event.getStart().getDateTime();
                if (start == null) {
                    start = event.getStart().getDate();
                }
                respWriter.printf("%s (%s)\n", event.getSummary(), start);
            }
        }

        //respWriter.println("<a href='" + profile.getUrl() + "'>" + profile.getDisplayName() + "</a>");

    }
}