2 * Sone - AbstractPostReplyBuilder.java - Copyright © 2013–2016 David Roden
4 * This program is free software: you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation, either version 3 of the License, or
7 * (at your option) any later version.
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
14 * You should have received a copy of the GNU General Public License
15 * along with this program. If not, see <http://www.gnu.org/licenses/>.
18 package net.pterodactylus.sone.data.impl;
20 import static com.google.common.base.Preconditions.checkState;
22 import net.pterodactylus.sone.database.PostReplyBuilder;
25 * Abstract {@link PostReplyBuilder} implementation. It stores the state of the
26 * new post and performs validation, implementations only need to implement
29 * @author <a href="mailto:bombe@pterodactylus.net">David ‘Bombe’ Roden</a>
31 public abstract class AbstractPostReplyBuilder extends AbstractReplyBuilder<PostReplyBuilder> implements PostReplyBuilder {
33 /** The ID of the post the created reply refers to. */
34 protected String postId;
40 public PostReplyBuilder to(String postId) {
50 * Validates the state of this post reply builder.
52 * @throws IllegalStateException
53 * if the state is not valid for building a new post reply
55 protected void validate() throws IllegalStateException {
56 checkState((randomId && (id == null)) || (!randomId && (id != null)), "either random ID nor custom ID must be set");
57 checkState(senderId != null, "sender must not be null");
58 checkState((currentTime && (time == 0)) || (!currentTime && (time >= 0)), "either current time or custom time must be set");
59 checkState((text != null) && !text.trim().isEmpty(), "text must not be empty");
60 checkState(postId != null, "post must not be null");