/**
 * Copyright (c) 2016, Gluon Software
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without modification, are permitted provided that the
 * following conditions are met:
 *
 * 1. Redistributions of source code must retain the above copyright notice,
 *    this list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright notice,
 *    this list of conditions and the following disclaimer in the documentation and/or other materials provided
 *    with the distribution.
 *
 * 3. Neither the name of the copyright holder nor the names of its contributors may be used to endorse
 *    or promote products derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
 * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
package com.gluonhq.devoxx.serverless.retrievesessions;

import javax.json.Json;
import javax.json.JsonArrayBuilder;
import javax.json.JsonObject;
import javax.json.JsonReader;
import javax.json.JsonValue;
import javax.ws.rs.WebApplicationException;
import javax.ws.rs.client.Client;
import javax.ws.rs.client.ClientBuilder;
import javax.ws.rs.core.Response;
import java.io.IOException;
import java.io.StringReader;
import java.util.List;
import java.util.logging.Level;
import java.util.logging.Logger;
import java.util.stream.Collectors;

public class SessionsRetriever {

    private static final Logger LOGGER = Logger.getLogger(SessionsRetriever.class.getName());

    private static final Client client = ClientBuilder.newClient();

    public String retrieve(String cfpEndpoint, String conferenceId) throws IOException {
        Response schedules = client.target(cfpEndpoint).path("conferences").path(conferenceId).path("schedules/")
                .request().get();
        if (schedules.getStatus() == Response.Status.OK.getStatusCode()) {
            try (JsonReader schedulesReader = Json.createReader(new StringReader(schedules.readEntity(String.class)))) {
                List<String> dayLinks = schedulesReader.readObject().getJsonArray("links").getValuesAs(JsonObject.class).stream()
                        .filter(schedule -> schedule.containsKey("href"))
                        .map(schedule -> schedule.getString("href").replaceFirst("http://", "https://"))
                        .collect(Collectors.toList());

                JsonArrayBuilder sessions = Json.createArrayBuilder();
                for (String dayLink : dayLinks) {
                    Response slots = client.target(dayLink).request().get();
                    if (slots.getStatus() == Response.Status.OK.getStatusCode()) {
                        try (JsonReader slotsReader = Json.createReader(new StringReader(slots.readEntity(String.class)))) {
                            slotsReader.readObject().getJsonArray("slots").getValuesAs(JsonObject.class).stream()
                                    .filter(slot -> slot.containsKey("talk") && slot.get("talk").getValueType() == JsonValue.ValueType.OBJECT)
                                    .forEach(sessions::add);
                        }
                    } else {
                        LOGGER.log(Level.WARNING, "Failed processing link " + dayLink + ": " + slots.readEntity(String.class));
                    }
                }
                return sessions.build().toString();
            }
        } else {
            throw new IOException(new WebApplicationException(schedules));
        }
    }
}

@@ -2390,16 +2390,158 @@
 ption %7B%0A
+        if (cfpEndpoint.startsWith(%22http://%22)) %7B%0A            cfpEndpoint = %22https://%22 + cfpEndpoint.substring(%22http://%22.length());%0A        %7D%0A%0A
         

replace http:// with https://